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@@ -1,2577 +1,2580 b'' | |||||
1 | # -*- coding: utf-8 -*- |
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1 | # -*- coding: utf-8 -*- | |
2 | """Main IPython class.""" |
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2 | """Main IPython class.""" | |
3 |
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3 | |||
4 | #----------------------------------------------------------------------------- |
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4 | #----------------------------------------------------------------------------- | |
5 | # Copyright (C) 2001 Janko Hauser <jhauser@zscout.de> |
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5 | # Copyright (C) 2001 Janko Hauser <jhauser@zscout.de> | |
6 | # Copyright (C) 2001-2007 Fernando Perez. <fperez@colorado.edu> |
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6 | # Copyright (C) 2001-2007 Fernando Perez. <fperez@colorado.edu> | |
7 | # Copyright (C) 2008-2011 The IPython Development Team |
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7 | # Copyright (C) 2008-2011 The IPython Development Team | |
8 | # |
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8 | # | |
9 | # Distributed under the terms of the BSD License. The full license is in |
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9 | # Distributed under the terms of the BSD License. The full license is in | |
10 | # the file COPYING, distributed as part of this software. |
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10 | # the file COPYING, distributed as part of this software. | |
11 | #----------------------------------------------------------------------------- |
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11 | #----------------------------------------------------------------------------- | |
12 |
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12 | |||
13 | #----------------------------------------------------------------------------- |
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13 | #----------------------------------------------------------------------------- | |
14 | # Imports |
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14 | # Imports | |
15 | #----------------------------------------------------------------------------- |
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15 | #----------------------------------------------------------------------------- | |
16 |
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16 | |||
17 | from __future__ import with_statement |
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17 | from __future__ import with_statement | |
18 | from __future__ import absolute_import |
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18 | from __future__ import absolute_import | |
19 |
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19 | |||
20 | import __builtin__ as builtin_mod |
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20 | import __builtin__ as builtin_mod | |
21 | import __future__ |
|
21 | import __future__ | |
22 | import abc |
|
22 | import abc | |
23 | import ast |
|
23 | import ast | |
24 | import atexit |
|
24 | import atexit | |
25 | import codeop |
|
25 | import codeop | |
26 | import inspect |
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26 | import inspect | |
27 | import os |
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27 | import os | |
28 | import re |
|
28 | import re | |
29 | import sys |
|
29 | import sys | |
30 | import tempfile |
|
30 | import tempfile | |
31 | import types |
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31 | import types | |
32 | try: |
|
32 | try: | |
33 | from contextlib import nested |
|
33 | from contextlib import nested | |
34 | except: |
|
34 | except: | |
35 | from IPython.utils.nested_context import nested |
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35 | from IPython.utils.nested_context import nested | |
36 |
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36 | |||
37 | from IPython.config.configurable import SingletonConfigurable |
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37 | from IPython.config.configurable import SingletonConfigurable | |
38 | from IPython.core import debugger, oinspect |
|
38 | from IPython.core import debugger, oinspect | |
39 | from IPython.core import history as ipcorehist |
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39 | from IPython.core import history as ipcorehist | |
40 | from IPython.core import page |
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40 | from IPython.core import page | |
41 | from IPython.core import prefilter |
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41 | from IPython.core import prefilter | |
42 | from IPython.core import shadowns |
|
42 | from IPython.core import shadowns | |
43 | from IPython.core import ultratb |
|
43 | from IPython.core import ultratb | |
44 | from IPython.core.alias import AliasManager, AliasError |
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44 | from IPython.core.alias import AliasManager, AliasError | |
45 | from IPython.core.autocall import ExitAutocall |
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45 | from IPython.core.autocall import ExitAutocall | |
46 | from IPython.core.builtin_trap import BuiltinTrap |
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46 | from IPython.core.builtin_trap import BuiltinTrap | |
47 | from IPython.core.compilerop import CachingCompiler |
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47 | from IPython.core.compilerop import CachingCompiler | |
48 | from IPython.core.display_trap import DisplayTrap |
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48 | from IPython.core.display_trap import DisplayTrap | |
49 | from IPython.core.displayhook import DisplayHook |
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49 | from IPython.core.displayhook import DisplayHook | |
50 | from IPython.core.displaypub import DisplayPublisher |
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50 | from IPython.core.displaypub import DisplayPublisher | |
51 | from IPython.core.error import TryNext, UsageError |
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51 | from IPython.core.error import TryNext, UsageError | |
52 | from IPython.core.extensions import ExtensionManager |
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52 | from IPython.core.extensions import ExtensionManager | |
53 | from IPython.core.fakemodule import FakeModule, init_fakemod_dict |
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53 | from IPython.core.fakemodule import FakeModule, init_fakemod_dict | |
54 | from IPython.core.formatters import DisplayFormatter |
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54 | from IPython.core.formatters import DisplayFormatter | |
55 | from IPython.core.history import HistoryManager |
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55 | from IPython.core.history import HistoryManager | |
56 | from IPython.core.inputsplitter import IPythonInputSplitter |
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56 | from IPython.core.inputsplitter import IPythonInputSplitter | |
57 | from IPython.core.logger import Logger |
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57 | from IPython.core.logger import Logger | |
58 | from IPython.core.macro import Macro |
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58 | from IPython.core.macro import Macro | |
59 | from IPython.core.magic import Magic |
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59 | from IPython.core.magic import Magic | |
60 | from IPython.core.payload import PayloadManager |
|
60 | from IPython.core.payload import PayloadManager | |
61 | from IPython.core.plugin import PluginManager |
|
61 | from IPython.core.plugin import PluginManager | |
62 | from IPython.core.prefilter import PrefilterManager, ESC_MAGIC |
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62 | from IPython.core.prefilter import PrefilterManager, ESC_MAGIC | |
63 | from IPython.core.profiledir import ProfileDir |
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63 | from IPython.core.profiledir import ProfileDir | |
64 | from IPython.external.Itpl import ItplNS |
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64 | from IPython.external.Itpl import ItplNS | |
65 | from IPython.utils import PyColorize |
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65 | from IPython.utils import PyColorize | |
66 | from IPython.utils import io |
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66 | from IPython.utils import io | |
67 | from IPython.utils import py3compat |
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67 | from IPython.utils import py3compat | |
68 | from IPython.utils.doctestreload import doctest_reload |
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68 | from IPython.utils.doctestreload import doctest_reload | |
69 | from IPython.utils.io import ask_yes_no, rprint |
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69 | from IPython.utils.io import ask_yes_no, rprint | |
70 | from IPython.utils.ipstruct import Struct |
|
70 | from IPython.utils.ipstruct import Struct | |
71 | from IPython.utils.path import get_home_dir, get_ipython_dir, HomeDirError |
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71 | from IPython.utils.path import get_home_dir, get_ipython_dir, HomeDirError | |
72 | from IPython.utils.pickleshare import PickleShareDB |
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72 | from IPython.utils.pickleshare import PickleShareDB | |
73 | from IPython.utils.process import system, getoutput |
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73 | from IPython.utils.process import system, getoutput | |
74 | from IPython.utils.strdispatch import StrDispatch |
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74 | from IPython.utils.strdispatch import StrDispatch | |
75 | from IPython.utils.syspathcontext import prepended_to_syspath |
|
75 | from IPython.utils.syspathcontext import prepended_to_syspath | |
76 | from IPython.utils.text import num_ini_spaces, format_screen, LSString, SList |
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76 | from IPython.utils.text import num_ini_spaces, format_screen, LSString, SList | |
77 | from IPython.utils.traitlets import (Int, CBool, CaselessStrEnum, Enum, |
|
77 | from IPython.utils.traitlets import (Int, CBool, CaselessStrEnum, Enum, | |
78 | List, Unicode, Instance, Type) |
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78 | List, Unicode, Instance, Type) | |
79 | from IPython.utils.warn import warn, error, fatal |
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79 | from IPython.utils.warn import warn, error, fatal | |
80 | import IPython.core.hooks |
|
80 | import IPython.core.hooks | |
81 |
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81 | |||
82 | #----------------------------------------------------------------------------- |
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82 | #----------------------------------------------------------------------------- | |
83 | # Globals |
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83 | # Globals | |
84 | #----------------------------------------------------------------------------- |
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84 | #----------------------------------------------------------------------------- | |
85 |
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85 | |||
86 | # compiled regexps for autoindent management |
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86 | # compiled regexps for autoindent management | |
87 | dedent_re = re.compile(r'^\s+raise|^\s+return|^\s+pass') |
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87 | dedent_re = re.compile(r'^\s+raise|^\s+return|^\s+pass') | |
88 |
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88 | |||
89 | #----------------------------------------------------------------------------- |
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89 | #----------------------------------------------------------------------------- | |
90 | # Utilities |
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90 | # Utilities | |
91 | #----------------------------------------------------------------------------- |
|
91 | #----------------------------------------------------------------------------- | |
92 |
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92 | |||
93 | def softspace(file, newvalue): |
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93 | def softspace(file, newvalue): | |
94 | """Copied from code.py, to remove the dependency""" |
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94 | """Copied from code.py, to remove the dependency""" | |
95 |
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95 | |||
96 | oldvalue = 0 |
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96 | oldvalue = 0 | |
97 | try: |
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97 | try: | |
98 | oldvalue = file.softspace |
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98 | oldvalue = file.softspace | |
99 | except AttributeError: |
|
99 | except AttributeError: | |
100 | pass |
|
100 | pass | |
101 | try: |
|
101 | try: | |
102 | file.softspace = newvalue |
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102 | file.softspace = newvalue | |
103 | except (AttributeError, TypeError): |
|
103 | except (AttributeError, TypeError): | |
104 | # "attribute-less object" or "read-only attributes" |
|
104 | # "attribute-less object" or "read-only attributes" | |
105 | pass |
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105 | pass | |
106 | return oldvalue |
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106 | return oldvalue | |
107 |
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107 | |||
108 |
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108 | |||
109 | def no_op(*a, **kw): pass |
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109 | def no_op(*a, **kw): pass | |
110 |
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110 | |||
111 | class SpaceInInput(Exception): pass |
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111 | class SpaceInInput(Exception): pass | |
112 |
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112 | |||
113 | class Bunch: pass |
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113 | class Bunch: pass | |
114 |
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114 | |||
115 |
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115 | |||
116 | def get_default_colors(): |
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116 | def get_default_colors(): | |
117 | if sys.platform=='darwin': |
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117 | if sys.platform=='darwin': | |
118 | return "LightBG" |
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118 | return "LightBG" | |
119 | elif os.name=='nt': |
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119 | elif os.name=='nt': | |
120 | return 'Linux' |
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120 | return 'Linux' | |
121 | else: |
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121 | else: | |
122 | return 'Linux' |
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122 | return 'Linux' | |
123 |
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123 | |||
124 |
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124 | |||
125 | class SeparateUnicode(Unicode): |
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125 | class SeparateUnicode(Unicode): | |
126 | """A Unicode subclass to validate separate_in, separate_out, etc. |
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126 | """A Unicode subclass to validate separate_in, separate_out, etc. | |
127 |
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127 | |||
128 | This is a Unicode based trait that converts '0'->'' and '\\n'->'\n'. |
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128 | This is a Unicode based trait that converts '0'->'' and '\\n'->'\n'. | |
129 | """ |
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129 | """ | |
130 |
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130 | |||
131 | def validate(self, obj, value): |
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131 | def validate(self, obj, value): | |
132 | if value == '0': value = '' |
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132 | if value == '0': value = '' | |
133 | value = value.replace('\\n','\n') |
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133 | value = value.replace('\\n','\n') | |
134 | return super(SeparateUnicode, self).validate(obj, value) |
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134 | return super(SeparateUnicode, self).validate(obj, value) | |
135 |
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135 | |||
136 |
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136 | |||
137 | class ReadlineNoRecord(object): |
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137 | class ReadlineNoRecord(object): | |
138 | """Context manager to execute some code, then reload readline history |
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138 | """Context manager to execute some code, then reload readline history | |
139 | so that interactive input to the code doesn't appear when pressing up.""" |
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139 | so that interactive input to the code doesn't appear when pressing up.""" | |
140 | def __init__(self, shell): |
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140 | def __init__(self, shell): | |
141 | self.shell = shell |
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141 | self.shell = shell | |
142 | self._nested_level = 0 |
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142 | self._nested_level = 0 | |
143 |
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143 | |||
144 | def __enter__(self): |
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144 | def __enter__(self): | |
145 | if self._nested_level == 0: |
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145 | if self._nested_level == 0: | |
146 | try: |
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146 | try: | |
147 | self.orig_length = self.current_length() |
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147 | self.orig_length = self.current_length() | |
148 | self.readline_tail = self.get_readline_tail() |
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148 | self.readline_tail = self.get_readline_tail() | |
149 | except (AttributeError, IndexError): # Can fail with pyreadline |
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149 | except (AttributeError, IndexError): # Can fail with pyreadline | |
150 | self.orig_length, self.readline_tail = 999999, [] |
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150 | self.orig_length, self.readline_tail = 999999, [] | |
151 | self._nested_level += 1 |
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151 | self._nested_level += 1 | |
152 |
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152 | |||
153 | def __exit__(self, type, value, traceback): |
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153 | def __exit__(self, type, value, traceback): | |
154 | self._nested_level -= 1 |
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154 | self._nested_level -= 1 | |
155 | if self._nested_level == 0: |
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155 | if self._nested_level == 0: | |
156 | # Try clipping the end if it's got longer |
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156 | # Try clipping the end if it's got longer | |
157 | try: |
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157 | try: | |
158 | e = self.current_length() - self.orig_length |
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158 | e = self.current_length() - self.orig_length | |
159 | if e > 0: |
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159 | if e > 0: | |
160 | for _ in range(e): |
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160 | for _ in range(e): | |
161 | self.shell.readline.remove_history_item(self.orig_length) |
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161 | self.shell.readline.remove_history_item(self.orig_length) | |
162 |
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162 | |||
163 | # If it still doesn't match, just reload readline history. |
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163 | # If it still doesn't match, just reload readline history. | |
164 | if self.current_length() != self.orig_length \ |
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164 | if self.current_length() != self.orig_length \ | |
165 | or self.get_readline_tail() != self.readline_tail: |
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165 | or self.get_readline_tail() != self.readline_tail: | |
166 | self.shell.refill_readline_hist() |
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166 | self.shell.refill_readline_hist() | |
167 | except (AttributeError, IndexError): |
|
167 | except (AttributeError, IndexError): | |
168 | pass |
|
168 | pass | |
169 | # Returning False will cause exceptions to propagate |
|
169 | # Returning False will cause exceptions to propagate | |
170 | return False |
|
170 | return False | |
171 |
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171 | |||
172 | def current_length(self): |
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172 | def current_length(self): | |
173 | return self.shell.readline.get_current_history_length() |
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173 | return self.shell.readline.get_current_history_length() | |
174 |
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174 | |||
175 | def get_readline_tail(self, n=10): |
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175 | def get_readline_tail(self, n=10): | |
176 | """Get the last n items in readline history.""" |
|
176 | """Get the last n items in readline history.""" | |
177 | end = self.shell.readline.get_current_history_length() + 1 |
|
177 | end = self.shell.readline.get_current_history_length() + 1 | |
178 | start = max(end-n, 1) |
|
178 | start = max(end-n, 1) | |
179 | ghi = self.shell.readline.get_history_item |
|
179 | ghi = self.shell.readline.get_history_item | |
180 | return [ghi(x) for x in range(start, end)] |
|
180 | return [ghi(x) for x in range(start, end)] | |
181 |
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181 | |||
182 |
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182 | |||
183 | _autocall_help = """ |
|
183 | _autocall_help = """ | |
184 | Make IPython automatically call any callable object even if |
|
184 | Make IPython automatically call any callable object even if | |
185 | you didn't type explicit parentheses. For example, 'str 43' becomes 'str(43)' |
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185 | you didn't type explicit parentheses. For example, 'str 43' becomes 'str(43)' | |
186 | automatically. The value can be '0' to disable the feature, '1' for 'smart' |
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186 | automatically. The value can be '0' to disable the feature, '1' for 'smart' | |
187 | autocall, where it is not applied if there are no more arguments on the line, |
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187 | autocall, where it is not applied if there are no more arguments on the line, | |
188 | and '2' for 'full' autocall, where all callable objects are automatically |
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188 | and '2' for 'full' autocall, where all callable objects are automatically | |
189 | called (even if no arguments are present). The default is '1'. |
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189 | called (even if no arguments are present). The default is '1'. | |
190 | """ |
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190 | """ | |
191 |
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191 | |||
192 | #----------------------------------------------------------------------------- |
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192 | #----------------------------------------------------------------------------- | |
193 | # Main IPython class |
|
193 | # Main IPython class | |
194 | #----------------------------------------------------------------------------- |
|
194 | #----------------------------------------------------------------------------- | |
195 |
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195 | |||
196 | class InteractiveShell(SingletonConfigurable, Magic): |
|
196 | class InteractiveShell(SingletonConfigurable, Magic): | |
197 | """An enhanced, interactive shell for Python.""" |
|
197 | """An enhanced, interactive shell for Python.""" | |
198 |
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198 | |||
199 | _instance = None |
|
199 | _instance = None | |
200 |
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200 | |||
201 | autocall = Enum((0,1,2), default_value=1, config=True, help= |
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201 | autocall = Enum((0,1,2), default_value=1, config=True, help= | |
202 | """ |
|
202 | """ | |
203 | Make IPython automatically call any callable object even if you didn't |
|
203 | Make IPython automatically call any callable object even if you didn't | |
204 | type explicit parentheses. For example, 'str 43' becomes 'str(43)' |
|
204 | type explicit parentheses. For example, 'str 43' becomes 'str(43)' | |
205 | automatically. The value can be '0' to disable the feature, '1' for |
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205 | automatically. The value can be '0' to disable the feature, '1' for | |
206 | 'smart' autocall, where it is not applied if there are no more |
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206 | 'smart' autocall, where it is not applied if there are no more | |
207 | arguments on the line, and '2' for 'full' autocall, where all callable |
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207 | arguments on the line, and '2' for 'full' autocall, where all callable | |
208 | objects are automatically called (even if no arguments are present). |
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208 | objects are automatically called (even if no arguments are present). | |
209 | The default is '1'. |
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209 | The default is '1'. | |
210 | """ |
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210 | """ | |
211 | ) |
|
211 | ) | |
212 | # TODO: remove all autoindent logic and put into frontends. |
|
212 | # TODO: remove all autoindent logic and put into frontends. | |
213 | # We can't do this yet because even runlines uses the autoindent. |
|
213 | # We can't do this yet because even runlines uses the autoindent. | |
214 | autoindent = CBool(True, config=True, help= |
|
214 | autoindent = CBool(True, config=True, help= | |
215 | """ |
|
215 | """ | |
216 | Autoindent IPython code entered interactively. |
|
216 | Autoindent IPython code entered interactively. | |
217 | """ |
|
217 | """ | |
218 | ) |
|
218 | ) | |
219 | automagic = CBool(True, config=True, help= |
|
219 | automagic = CBool(True, config=True, help= | |
220 | """ |
|
220 | """ | |
221 | Enable magic commands to be called without the leading %. |
|
221 | Enable magic commands to be called without the leading %. | |
222 | """ |
|
222 | """ | |
223 | ) |
|
223 | ) | |
224 | cache_size = Int(1000, config=True, help= |
|
224 | cache_size = Int(1000, config=True, help= | |
225 | """ |
|
225 | """ | |
226 | Set the size of the output cache. The default is 1000, you can |
|
226 | Set the size of the output cache. The default is 1000, you can | |
227 | change it permanently in your config file. Setting it to 0 completely |
|
227 | change it permanently in your config file. Setting it to 0 completely | |
228 | disables the caching system, and the minimum value accepted is 20 (if |
|
228 | disables the caching system, and the minimum value accepted is 20 (if | |
229 | you provide a value less than 20, it is reset to 0 and a warning is |
|
229 | you provide a value less than 20, it is reset to 0 and a warning is | |
230 | issued). This limit is defined because otherwise you'll spend more |
|
230 | issued). This limit is defined because otherwise you'll spend more | |
231 | time re-flushing a too small cache than working |
|
231 | time re-flushing a too small cache than working | |
232 | """ |
|
232 | """ | |
233 | ) |
|
233 | ) | |
234 | color_info = CBool(True, config=True, help= |
|
234 | color_info = CBool(True, config=True, help= | |
235 | """ |
|
235 | """ | |
236 | Use colors for displaying information about objects. Because this |
|
236 | Use colors for displaying information about objects. Because this | |
237 | information is passed through a pager (like 'less'), and some pagers |
|
237 | information is passed through a pager (like 'less'), and some pagers | |
238 | get confused with color codes, this capability can be turned off. |
|
238 | get confused with color codes, this capability can be turned off. | |
239 | """ |
|
239 | """ | |
240 | ) |
|
240 | ) | |
241 | colors = CaselessStrEnum(('NoColor','LightBG','Linux'), |
|
241 | colors = CaselessStrEnum(('NoColor','LightBG','Linux'), | |
242 | default_value=get_default_colors(), config=True, |
|
242 | default_value=get_default_colors(), config=True, | |
243 | help="Set the color scheme (NoColor, Linux, or LightBG)." |
|
243 | help="Set the color scheme (NoColor, Linux, or LightBG)." | |
244 | ) |
|
244 | ) | |
245 | debug = CBool(False, config=True) |
|
245 | debug = CBool(False, config=True) | |
246 | deep_reload = CBool(False, config=True, help= |
|
246 | deep_reload = CBool(False, config=True, help= | |
247 | """ |
|
247 | """ | |
248 | Enable deep (recursive) reloading by default. IPython can use the |
|
248 | Enable deep (recursive) reloading by default. IPython can use the | |
249 | deep_reload module which reloads changes in modules recursively (it |
|
249 | deep_reload module which reloads changes in modules recursively (it | |
250 | replaces the reload() function, so you don't need to change anything to |
|
250 | replaces the reload() function, so you don't need to change anything to | |
251 | use it). deep_reload() forces a full reload of modules whose code may |
|
251 | use it). deep_reload() forces a full reload of modules whose code may | |
252 | have changed, which the default reload() function does not. When |
|
252 | have changed, which the default reload() function does not. When | |
253 | deep_reload is off, IPython will use the normal reload(), but |
|
253 | deep_reload is off, IPython will use the normal reload(), but | |
254 | deep_reload will still be available as dreload(). |
|
254 | deep_reload will still be available as dreload(). | |
255 | """ |
|
255 | """ | |
256 | ) |
|
256 | ) | |
257 | display_formatter = Instance(DisplayFormatter) |
|
257 | display_formatter = Instance(DisplayFormatter) | |
258 | displayhook_class = Type(DisplayHook) |
|
258 | displayhook_class = Type(DisplayHook) | |
259 | display_pub_class = Type(DisplayPublisher) |
|
259 | display_pub_class = Type(DisplayPublisher) | |
260 |
|
260 | |||
261 | exit_now = CBool(False) |
|
261 | exit_now = CBool(False) | |
262 | exiter = Instance(ExitAutocall) |
|
262 | exiter = Instance(ExitAutocall) | |
263 | def _exiter_default(self): |
|
263 | def _exiter_default(self): | |
264 | return ExitAutocall(self) |
|
264 | return ExitAutocall(self) | |
265 | # Monotonically increasing execution counter |
|
265 | # Monotonically increasing execution counter | |
266 | execution_count = Int(1) |
|
266 | execution_count = Int(1) | |
267 | filename = Unicode("<ipython console>") |
|
267 | filename = Unicode("<ipython console>") | |
268 | ipython_dir= Unicode('', config=True) # Set to get_ipython_dir() in __init__ |
|
268 | ipython_dir= Unicode('', config=True) # Set to get_ipython_dir() in __init__ | |
269 |
|
269 | |||
270 | # Input splitter, to split entire cells of input into either individual |
|
270 | # Input splitter, to split entire cells of input into either individual | |
271 | # interactive statements or whole blocks. |
|
271 | # interactive statements or whole blocks. | |
272 | input_splitter = Instance('IPython.core.inputsplitter.IPythonInputSplitter', |
|
272 | input_splitter = Instance('IPython.core.inputsplitter.IPythonInputSplitter', | |
273 | (), {}) |
|
273 | (), {}) | |
274 | logstart = CBool(False, config=True, help= |
|
274 | logstart = CBool(False, config=True, help= | |
275 | """ |
|
275 | """ | |
276 | Start logging to the default log file. |
|
276 | Start logging to the default log file. | |
277 | """ |
|
277 | """ | |
278 | ) |
|
278 | ) | |
279 | logfile = Unicode('', config=True, help= |
|
279 | logfile = Unicode('', config=True, help= | |
280 | """ |
|
280 | """ | |
281 | The name of the logfile to use. |
|
281 | The name of the logfile to use. | |
282 | """ |
|
282 | """ | |
283 | ) |
|
283 | ) | |
284 | logappend = Unicode('', config=True, help= |
|
284 | logappend = Unicode('', config=True, help= | |
285 | """ |
|
285 | """ | |
286 | Start logging to the given file in append mode. |
|
286 | Start logging to the given file in append mode. | |
287 | """ |
|
287 | """ | |
288 | ) |
|
288 | ) | |
289 | object_info_string_level = Enum((0,1,2), default_value=0, |
|
289 | object_info_string_level = Enum((0,1,2), default_value=0, | |
290 | config=True) |
|
290 | config=True) | |
291 | pdb = CBool(False, config=True, help= |
|
291 | pdb = CBool(False, config=True, help= | |
292 | """ |
|
292 | """ | |
293 | Automatically call the pdb debugger after every exception. |
|
293 | Automatically call the pdb debugger after every exception. | |
294 | """ |
|
294 | """ | |
295 | ) |
|
295 | ) | |
296 |
|
296 | |||
297 | prompt_in1 = Unicode('In [\\#]: ', config=True) |
|
297 | prompt_in1 = Unicode('In [\\#]: ', config=True) | |
298 | prompt_in2 = Unicode(' .\\D.: ', config=True) |
|
298 | prompt_in2 = Unicode(' .\\D.: ', config=True) | |
299 | prompt_out = Unicode('Out[\\#]: ', config=True) |
|
299 | prompt_out = Unicode('Out[\\#]: ', config=True) | |
300 | prompts_pad_left = CBool(True, config=True) |
|
300 | prompts_pad_left = CBool(True, config=True) | |
301 | quiet = CBool(False, config=True) |
|
301 | quiet = CBool(False, config=True) | |
302 |
|
302 | |||
303 | history_length = Int(10000, config=True) |
|
303 | history_length = Int(10000, config=True) | |
304 |
|
304 | |||
305 | # The readline stuff will eventually be moved to the terminal subclass |
|
305 | # The readline stuff will eventually be moved to the terminal subclass | |
306 | # but for now, we can't do that as readline is welded in everywhere. |
|
306 | # but for now, we can't do that as readline is welded in everywhere. | |
307 | readline_use = CBool(True, config=True) |
|
307 | readline_use = CBool(True, config=True) | |
308 | readline_merge_completions = CBool(True, config=True) |
|
308 | readline_merge_completions = CBool(True, config=True) | |
309 | readline_omit__names = Enum((0,1,2), default_value=2, config=True) |
|
309 | readline_omit__names = Enum((0,1,2), default_value=2, config=True) | |
310 | readline_remove_delims = Unicode('-/~', config=True) |
|
310 | readline_remove_delims = Unicode('-/~', config=True) | |
311 | # don't use \M- bindings by default, because they |
|
311 | # don't use \M- bindings by default, because they | |
312 | # conflict with 8-bit encodings. See gh-58,gh-88 |
|
312 | # conflict with 8-bit encodings. See gh-58,gh-88 | |
313 | readline_parse_and_bind = List([ |
|
313 | readline_parse_and_bind = List([ | |
314 | 'tab: complete', |
|
314 | 'tab: complete', | |
315 | '"\C-l": clear-screen', |
|
315 | '"\C-l": clear-screen', | |
316 | 'set show-all-if-ambiguous on', |
|
316 | 'set show-all-if-ambiguous on', | |
317 | '"\C-o": tab-insert', |
|
317 | '"\C-o": tab-insert', | |
318 | '"\C-r": reverse-search-history', |
|
318 | '"\C-r": reverse-search-history', | |
319 | '"\C-s": forward-search-history', |
|
319 | '"\C-s": forward-search-history', | |
320 | '"\C-p": history-search-backward', |
|
320 | '"\C-p": history-search-backward', | |
321 | '"\C-n": history-search-forward', |
|
321 | '"\C-n": history-search-forward', | |
322 | '"\e[A": history-search-backward', |
|
322 | '"\e[A": history-search-backward', | |
323 | '"\e[B": history-search-forward', |
|
323 | '"\e[B": history-search-forward', | |
324 | '"\C-k": kill-line', |
|
324 | '"\C-k": kill-line', | |
325 | '"\C-u": unix-line-discard', |
|
325 | '"\C-u": unix-line-discard', | |
326 | ], allow_none=False, config=True) |
|
326 | ], allow_none=False, config=True) | |
327 |
|
327 | |||
328 | # TODO: this part of prompt management should be moved to the frontends. |
|
328 | # TODO: this part of prompt management should be moved to the frontends. | |
329 | # Use custom TraitTypes that convert '0'->'' and '\\n'->'\n' |
|
329 | # Use custom TraitTypes that convert '0'->'' and '\\n'->'\n' | |
330 | separate_in = SeparateUnicode('\n', config=True) |
|
330 | separate_in = SeparateUnicode('\n', config=True) | |
331 | separate_out = SeparateUnicode('', config=True) |
|
331 | separate_out = SeparateUnicode('', config=True) | |
332 | separate_out2 = SeparateUnicode('', config=True) |
|
332 | separate_out2 = SeparateUnicode('', config=True) | |
333 | wildcards_case_sensitive = CBool(True, config=True) |
|
333 | wildcards_case_sensitive = CBool(True, config=True) | |
334 | xmode = CaselessStrEnum(('Context','Plain', 'Verbose'), |
|
334 | xmode = CaselessStrEnum(('Context','Plain', 'Verbose'), | |
335 | default_value='Context', config=True) |
|
335 | default_value='Context', config=True) | |
336 |
|
336 | |||
337 | # Subcomponents of InteractiveShell |
|
337 | # Subcomponents of InteractiveShell | |
338 | alias_manager = Instance('IPython.core.alias.AliasManager') |
|
338 | alias_manager = Instance('IPython.core.alias.AliasManager') | |
339 | prefilter_manager = Instance('IPython.core.prefilter.PrefilterManager') |
|
339 | prefilter_manager = Instance('IPython.core.prefilter.PrefilterManager') | |
340 | builtin_trap = Instance('IPython.core.builtin_trap.BuiltinTrap') |
|
340 | builtin_trap = Instance('IPython.core.builtin_trap.BuiltinTrap') | |
341 | display_trap = Instance('IPython.core.display_trap.DisplayTrap') |
|
341 | display_trap = Instance('IPython.core.display_trap.DisplayTrap') | |
342 | extension_manager = Instance('IPython.core.extensions.ExtensionManager') |
|
342 | extension_manager = Instance('IPython.core.extensions.ExtensionManager') | |
343 | plugin_manager = Instance('IPython.core.plugin.PluginManager') |
|
343 | plugin_manager = Instance('IPython.core.plugin.PluginManager') | |
344 | payload_manager = Instance('IPython.core.payload.PayloadManager') |
|
344 | payload_manager = Instance('IPython.core.payload.PayloadManager') | |
345 | history_manager = Instance('IPython.core.history.HistoryManager') |
|
345 | history_manager = Instance('IPython.core.history.HistoryManager') | |
346 |
|
346 | |||
347 | profile_dir = Instance('IPython.core.application.ProfileDir') |
|
347 | profile_dir = Instance('IPython.core.application.ProfileDir') | |
348 | @property |
|
348 | @property | |
349 | def profile(self): |
|
349 | def profile(self): | |
350 | if self.profile_dir is not None: |
|
350 | if self.profile_dir is not None: | |
351 | name = os.path.basename(self.profile_dir.location) |
|
351 | name = os.path.basename(self.profile_dir.location) | |
352 | return name.replace('profile_','') |
|
352 | return name.replace('profile_','') | |
353 |
|
353 | |||
354 |
|
354 | |||
355 | # Private interface |
|
355 | # Private interface | |
356 | _post_execute = Instance(dict) |
|
356 | _post_execute = Instance(dict) | |
357 |
|
357 | |||
358 | def __init__(self, config=None, ipython_dir=None, profile_dir=None, |
|
358 | def __init__(self, config=None, ipython_dir=None, profile_dir=None, | |
359 | user_ns=None, user_global_ns=None, |
|
359 | user_ns=None, user_global_ns=None, | |
360 | custom_exceptions=((), None)): |
|
360 | custom_exceptions=((), None)): | |
361 |
|
361 | |||
362 | # This is where traits with a config_key argument are updated |
|
362 | # This is where traits with a config_key argument are updated | |
363 | # from the values on config. |
|
363 | # from the values on config. | |
364 | super(InteractiveShell, self).__init__(config=config) |
|
364 | super(InteractiveShell, self).__init__(config=config) | |
365 |
|
365 | |||
366 | # These are relatively independent and stateless |
|
366 | # These are relatively independent and stateless | |
367 | self.init_ipython_dir(ipython_dir) |
|
367 | self.init_ipython_dir(ipython_dir) | |
368 | self.init_profile_dir(profile_dir) |
|
368 | self.init_profile_dir(profile_dir) | |
369 | self.init_instance_attrs() |
|
369 | self.init_instance_attrs() | |
370 | self.init_environment() |
|
370 | self.init_environment() | |
371 |
|
371 | |||
372 | # Create namespaces (user_ns, user_global_ns, etc.) |
|
372 | # Create namespaces (user_ns, user_global_ns, etc.) | |
373 | self.init_create_namespaces(user_ns, user_global_ns) |
|
373 | self.init_create_namespaces(user_ns, user_global_ns) | |
374 | # This has to be done after init_create_namespaces because it uses |
|
374 | # This has to be done after init_create_namespaces because it uses | |
375 | # something in self.user_ns, but before init_sys_modules, which |
|
375 | # something in self.user_ns, but before init_sys_modules, which | |
376 | # is the first thing to modify sys. |
|
376 | # is the first thing to modify sys. | |
377 | # TODO: When we override sys.stdout and sys.stderr before this class |
|
377 | # TODO: When we override sys.stdout and sys.stderr before this class | |
378 | # is created, we are saving the overridden ones here. Not sure if this |
|
378 | # is created, we are saving the overridden ones here. Not sure if this | |
379 | # is what we want to do. |
|
379 | # is what we want to do. | |
380 | self.save_sys_module_state() |
|
380 | self.save_sys_module_state() | |
381 | self.init_sys_modules() |
|
381 | self.init_sys_modules() | |
382 |
|
382 | |||
383 | # While we're trying to have each part of the code directly access what |
|
383 | # While we're trying to have each part of the code directly access what | |
384 | # it needs without keeping redundant references to objects, we have too |
|
384 | # it needs without keeping redundant references to objects, we have too | |
385 | # much legacy code that expects ip.db to exist. |
|
385 | # much legacy code that expects ip.db to exist. | |
386 | self.db = PickleShareDB(os.path.join(self.profile_dir.location, 'db')) |
|
386 | self.db = PickleShareDB(os.path.join(self.profile_dir.location, 'db')) | |
387 |
|
387 | |||
388 | self.init_history() |
|
388 | self.init_history() | |
389 | self.init_encoding() |
|
389 | self.init_encoding() | |
390 | self.init_prefilter() |
|
390 | self.init_prefilter() | |
391 |
|
391 | |||
392 | Magic.__init__(self, self) |
|
392 | Magic.__init__(self, self) | |
393 |
|
393 | |||
394 | self.init_syntax_highlighting() |
|
394 | self.init_syntax_highlighting() | |
395 | self.init_hooks() |
|
395 | self.init_hooks() | |
396 | self.init_pushd_popd_magic() |
|
396 | self.init_pushd_popd_magic() | |
397 | # self.init_traceback_handlers use to be here, but we moved it below |
|
397 | # self.init_traceback_handlers use to be here, but we moved it below | |
398 | # because it and init_io have to come after init_readline. |
|
398 | # because it and init_io have to come after init_readline. | |
399 | self.init_user_ns() |
|
399 | self.init_user_ns() | |
400 | self.init_logger() |
|
400 | self.init_logger() | |
401 | self.init_alias() |
|
401 | self.init_alias() | |
402 | self.init_builtins() |
|
402 | self.init_builtins() | |
403 |
|
403 | |||
404 | # pre_config_initialization |
|
404 | # pre_config_initialization | |
405 |
|
405 | |||
406 | # The next section should contain everything that was in ipmaker. |
|
406 | # The next section should contain everything that was in ipmaker. | |
407 | self.init_logstart() |
|
407 | self.init_logstart() | |
408 |
|
408 | |||
409 | # The following was in post_config_initialization |
|
409 | # The following was in post_config_initialization | |
410 | self.init_inspector() |
|
410 | self.init_inspector() | |
411 | # init_readline() must come before init_io(), because init_io uses |
|
411 | # init_readline() must come before init_io(), because init_io uses | |
412 | # readline related things. |
|
412 | # readline related things. | |
413 | self.init_readline() |
|
413 | self.init_readline() | |
414 | # We save this here in case user code replaces raw_input, but it needs |
|
414 | # We save this here in case user code replaces raw_input, but it needs | |
415 | # to be after init_readline(), because PyPy's readline works by replacing |
|
415 | # to be after init_readline(), because PyPy's readline works by replacing | |
416 | # raw_input. |
|
416 | # raw_input. | |
417 | self.raw_input_original = raw_input |
|
417 | if py3compat.PY3: | |
|
418 | self.raw_input_original = input | |||
|
419 | else: | |||
|
420 | self.raw_input_original = raw_input | |||
418 | # init_completer must come after init_readline, because it needs to |
|
421 | # init_completer must come after init_readline, because it needs to | |
419 | # know whether readline is present or not system-wide to configure the |
|
422 | # know whether readline is present or not system-wide to configure the | |
420 | # completers, since the completion machinery can now operate |
|
423 | # completers, since the completion machinery can now operate | |
421 | # independently of readline (e.g. over the network) |
|
424 | # independently of readline (e.g. over the network) | |
422 | self.init_completer() |
|
425 | self.init_completer() | |
423 | # TODO: init_io() needs to happen before init_traceback handlers |
|
426 | # TODO: init_io() needs to happen before init_traceback handlers | |
424 | # because the traceback handlers hardcode the stdout/stderr streams. |
|
427 | # because the traceback handlers hardcode the stdout/stderr streams. | |
425 | # This logic in in debugger.Pdb and should eventually be changed. |
|
428 | # This logic in in debugger.Pdb and should eventually be changed. | |
426 | self.init_io() |
|
429 | self.init_io() | |
427 | self.init_traceback_handlers(custom_exceptions) |
|
430 | self.init_traceback_handlers(custom_exceptions) | |
428 | self.init_prompts() |
|
431 | self.init_prompts() | |
429 | self.init_display_formatter() |
|
432 | self.init_display_formatter() | |
430 | self.init_display_pub() |
|
433 | self.init_display_pub() | |
431 | self.init_displayhook() |
|
434 | self.init_displayhook() | |
432 | self.init_reload_doctest() |
|
435 | self.init_reload_doctest() | |
433 | self.init_magics() |
|
436 | self.init_magics() | |
434 | self.init_pdb() |
|
437 | self.init_pdb() | |
435 | self.init_extension_manager() |
|
438 | self.init_extension_manager() | |
436 | self.init_plugin_manager() |
|
439 | self.init_plugin_manager() | |
437 | self.init_payload() |
|
440 | self.init_payload() | |
438 | self.hooks.late_startup_hook() |
|
441 | self.hooks.late_startup_hook() | |
439 | atexit.register(self.atexit_operations) |
|
442 | atexit.register(self.atexit_operations) | |
440 |
|
443 | |||
441 | def get_ipython(self): |
|
444 | def get_ipython(self): | |
442 | """Return the currently running IPython instance.""" |
|
445 | """Return the currently running IPython instance.""" | |
443 | return self |
|
446 | return self | |
444 |
|
447 | |||
445 | #------------------------------------------------------------------------- |
|
448 | #------------------------------------------------------------------------- | |
446 | # Trait changed handlers |
|
449 | # Trait changed handlers | |
447 | #------------------------------------------------------------------------- |
|
450 | #------------------------------------------------------------------------- | |
448 |
|
451 | |||
449 | def _ipython_dir_changed(self, name, new): |
|
452 | def _ipython_dir_changed(self, name, new): | |
450 | if not os.path.isdir(new): |
|
453 | if not os.path.isdir(new): | |
451 | os.makedirs(new, mode = 0777) |
|
454 | os.makedirs(new, mode = 0777) | |
452 |
|
455 | |||
453 | def set_autoindent(self,value=None): |
|
456 | def set_autoindent(self,value=None): | |
454 | """Set the autoindent flag, checking for readline support. |
|
457 | """Set the autoindent flag, checking for readline support. | |
455 |
|
458 | |||
456 | If called with no arguments, it acts as a toggle.""" |
|
459 | If called with no arguments, it acts as a toggle.""" | |
457 |
|
460 | |||
458 | if not self.has_readline: |
|
461 | if not self.has_readline: | |
459 | if os.name == 'posix': |
|
462 | if os.name == 'posix': | |
460 | warn("The auto-indent feature requires the readline library") |
|
463 | warn("The auto-indent feature requires the readline library") | |
461 | self.autoindent = 0 |
|
464 | self.autoindent = 0 | |
462 | return |
|
465 | return | |
463 | if value is None: |
|
466 | if value is None: | |
464 | self.autoindent = not self.autoindent |
|
467 | self.autoindent = not self.autoindent | |
465 | else: |
|
468 | else: | |
466 | self.autoindent = value |
|
469 | self.autoindent = value | |
467 |
|
470 | |||
468 | #------------------------------------------------------------------------- |
|
471 | #------------------------------------------------------------------------- | |
469 | # init_* methods called by __init__ |
|
472 | # init_* methods called by __init__ | |
470 | #------------------------------------------------------------------------- |
|
473 | #------------------------------------------------------------------------- | |
471 |
|
474 | |||
472 | def init_ipython_dir(self, ipython_dir): |
|
475 | def init_ipython_dir(self, ipython_dir): | |
473 | if ipython_dir is not None: |
|
476 | if ipython_dir is not None: | |
474 | self.ipython_dir = ipython_dir |
|
477 | self.ipython_dir = ipython_dir | |
475 | return |
|
478 | return | |
476 |
|
479 | |||
477 | self.ipython_dir = get_ipython_dir() |
|
480 | self.ipython_dir = get_ipython_dir() | |
478 |
|
481 | |||
479 | def init_profile_dir(self, profile_dir): |
|
482 | def init_profile_dir(self, profile_dir): | |
480 | if profile_dir is not None: |
|
483 | if profile_dir is not None: | |
481 | self.profile_dir = profile_dir |
|
484 | self.profile_dir = profile_dir | |
482 | return |
|
485 | return | |
483 | self.profile_dir =\ |
|
486 | self.profile_dir =\ | |
484 | ProfileDir.create_profile_dir_by_name(self.ipython_dir, 'default') |
|
487 | ProfileDir.create_profile_dir_by_name(self.ipython_dir, 'default') | |
485 |
|
488 | |||
486 | def init_instance_attrs(self): |
|
489 | def init_instance_attrs(self): | |
487 | self.more = False |
|
490 | self.more = False | |
488 |
|
491 | |||
489 | # command compiler |
|
492 | # command compiler | |
490 | self.compile = CachingCompiler() |
|
493 | self.compile = CachingCompiler() | |
491 |
|
494 | |||
492 | # Make an empty namespace, which extension writers can rely on both |
|
495 | # Make an empty namespace, which extension writers can rely on both | |
493 | # existing and NEVER being used by ipython itself. This gives them a |
|
496 | # existing and NEVER being used by ipython itself. This gives them a | |
494 | # convenient location for storing additional information and state |
|
497 | # convenient location for storing additional information and state | |
495 | # their extensions may require, without fear of collisions with other |
|
498 | # their extensions may require, without fear of collisions with other | |
496 | # ipython names that may develop later. |
|
499 | # ipython names that may develop later. | |
497 | self.meta = Struct() |
|
500 | self.meta = Struct() | |
498 |
|
501 | |||
499 | # Temporary files used for various purposes. Deleted at exit. |
|
502 | # Temporary files used for various purposes. Deleted at exit. | |
500 | self.tempfiles = [] |
|
503 | self.tempfiles = [] | |
501 |
|
504 | |||
502 | # Keep track of readline usage (later set by init_readline) |
|
505 | # Keep track of readline usage (later set by init_readline) | |
503 | self.has_readline = False |
|
506 | self.has_readline = False | |
504 |
|
507 | |||
505 | # keep track of where we started running (mainly for crash post-mortem) |
|
508 | # keep track of where we started running (mainly for crash post-mortem) | |
506 | # This is not being used anywhere currently. |
|
509 | # This is not being used anywhere currently. | |
507 | self.starting_dir = os.getcwdu() |
|
510 | self.starting_dir = os.getcwdu() | |
508 |
|
511 | |||
509 | # Indentation management |
|
512 | # Indentation management | |
510 | self.indent_current_nsp = 0 |
|
513 | self.indent_current_nsp = 0 | |
511 |
|
514 | |||
512 | # Dict to track post-execution functions that have been registered |
|
515 | # Dict to track post-execution functions that have been registered | |
513 | self._post_execute = {} |
|
516 | self._post_execute = {} | |
514 |
|
517 | |||
515 | def init_environment(self): |
|
518 | def init_environment(self): | |
516 | """Any changes we need to make to the user's environment.""" |
|
519 | """Any changes we need to make to the user's environment.""" | |
517 | pass |
|
520 | pass | |
518 |
|
521 | |||
519 | def init_encoding(self): |
|
522 | def init_encoding(self): | |
520 | # Get system encoding at startup time. Certain terminals (like Emacs |
|
523 | # Get system encoding at startup time. Certain terminals (like Emacs | |
521 | # under Win32 have it set to None, and we need to have a known valid |
|
524 | # under Win32 have it set to None, and we need to have a known valid | |
522 | # encoding to use in the raw_input() method |
|
525 | # encoding to use in the raw_input() method | |
523 | try: |
|
526 | try: | |
524 | self.stdin_encoding = sys.stdin.encoding or 'ascii' |
|
527 | self.stdin_encoding = sys.stdin.encoding or 'ascii' | |
525 | except AttributeError: |
|
528 | except AttributeError: | |
526 | self.stdin_encoding = 'ascii' |
|
529 | self.stdin_encoding = 'ascii' | |
527 |
|
530 | |||
528 | def init_syntax_highlighting(self): |
|
531 | def init_syntax_highlighting(self): | |
529 | # Python source parser/formatter for syntax highlighting |
|
532 | # Python source parser/formatter for syntax highlighting | |
530 | pyformat = PyColorize.Parser().format |
|
533 | pyformat = PyColorize.Parser().format | |
531 | self.pycolorize = lambda src: pyformat(src,'str',self.colors) |
|
534 | self.pycolorize = lambda src: pyformat(src,'str',self.colors) | |
532 |
|
535 | |||
533 | def init_pushd_popd_magic(self): |
|
536 | def init_pushd_popd_magic(self): | |
534 | # for pushd/popd management |
|
537 | # for pushd/popd management | |
535 | try: |
|
538 | try: | |
536 | self.home_dir = get_home_dir() |
|
539 | self.home_dir = get_home_dir() | |
537 | except HomeDirError, msg: |
|
540 | except HomeDirError, msg: | |
538 | fatal(msg) |
|
541 | fatal(msg) | |
539 |
|
542 | |||
540 | self.dir_stack = [] |
|
543 | self.dir_stack = [] | |
541 |
|
544 | |||
542 | def init_logger(self): |
|
545 | def init_logger(self): | |
543 | self.logger = Logger(self.home_dir, logfname='ipython_log.py', |
|
546 | self.logger = Logger(self.home_dir, logfname='ipython_log.py', | |
544 | logmode='rotate') |
|
547 | logmode='rotate') | |
545 |
|
548 | |||
546 | def init_logstart(self): |
|
549 | def init_logstart(self): | |
547 | """Initialize logging in case it was requested at the command line. |
|
550 | """Initialize logging in case it was requested at the command line. | |
548 | """ |
|
551 | """ | |
549 | if self.logappend: |
|
552 | if self.logappend: | |
550 | self.magic_logstart(self.logappend + ' append') |
|
553 | self.magic_logstart(self.logappend + ' append') | |
551 | elif self.logfile: |
|
554 | elif self.logfile: | |
552 | self.magic_logstart(self.logfile) |
|
555 | self.magic_logstart(self.logfile) | |
553 | elif self.logstart: |
|
556 | elif self.logstart: | |
554 | self.magic_logstart() |
|
557 | self.magic_logstart() | |
555 |
|
558 | |||
556 | def init_builtins(self): |
|
559 | def init_builtins(self): | |
557 | self.builtin_trap = BuiltinTrap(shell=self) |
|
560 | self.builtin_trap = BuiltinTrap(shell=self) | |
558 |
|
561 | |||
559 | def init_inspector(self): |
|
562 | def init_inspector(self): | |
560 | # Object inspector |
|
563 | # Object inspector | |
561 | self.inspector = oinspect.Inspector(oinspect.InspectColors, |
|
564 | self.inspector = oinspect.Inspector(oinspect.InspectColors, | |
562 | PyColorize.ANSICodeColors, |
|
565 | PyColorize.ANSICodeColors, | |
563 | 'NoColor', |
|
566 | 'NoColor', | |
564 | self.object_info_string_level) |
|
567 | self.object_info_string_level) | |
565 |
|
568 | |||
566 | def init_io(self): |
|
569 | def init_io(self): | |
567 | # This will just use sys.stdout and sys.stderr. If you want to |
|
570 | # This will just use sys.stdout and sys.stderr. If you want to | |
568 | # override sys.stdout and sys.stderr themselves, you need to do that |
|
571 | # override sys.stdout and sys.stderr themselves, you need to do that | |
569 | # *before* instantiating this class, because io holds onto |
|
572 | # *before* instantiating this class, because io holds onto | |
570 | # references to the underlying streams. |
|
573 | # references to the underlying streams. | |
571 | if sys.platform == 'win32' and self.has_readline: |
|
574 | if sys.platform == 'win32' and self.has_readline: | |
572 | io.stdout = io.stderr = io.IOStream(self.readline._outputfile) |
|
575 | io.stdout = io.stderr = io.IOStream(self.readline._outputfile) | |
573 | else: |
|
576 | else: | |
574 | io.stdout = io.IOStream(sys.stdout) |
|
577 | io.stdout = io.IOStream(sys.stdout) | |
575 | io.stderr = io.IOStream(sys.stderr) |
|
578 | io.stderr = io.IOStream(sys.stderr) | |
576 |
|
579 | |||
577 | def init_prompts(self): |
|
580 | def init_prompts(self): | |
578 | # TODO: This is a pass for now because the prompts are managed inside |
|
581 | # TODO: This is a pass for now because the prompts are managed inside | |
579 | # the DisplayHook. Once there is a separate prompt manager, this |
|
582 | # the DisplayHook. Once there is a separate prompt manager, this | |
580 | # will initialize that object and all prompt related information. |
|
583 | # will initialize that object and all prompt related information. | |
581 | pass |
|
584 | pass | |
582 |
|
585 | |||
583 | def init_display_formatter(self): |
|
586 | def init_display_formatter(self): | |
584 | self.display_formatter = DisplayFormatter(config=self.config) |
|
587 | self.display_formatter = DisplayFormatter(config=self.config) | |
585 |
|
588 | |||
586 | def init_display_pub(self): |
|
589 | def init_display_pub(self): | |
587 | self.display_pub = self.display_pub_class(config=self.config) |
|
590 | self.display_pub = self.display_pub_class(config=self.config) | |
588 |
|
591 | |||
589 | def init_displayhook(self): |
|
592 | def init_displayhook(self): | |
590 | # Initialize displayhook, set in/out prompts and printing system |
|
593 | # Initialize displayhook, set in/out prompts and printing system | |
591 | self.displayhook = self.displayhook_class( |
|
594 | self.displayhook = self.displayhook_class( | |
592 | config=self.config, |
|
595 | config=self.config, | |
593 | shell=self, |
|
596 | shell=self, | |
594 | cache_size=self.cache_size, |
|
597 | cache_size=self.cache_size, | |
595 | input_sep = self.separate_in, |
|
598 | input_sep = self.separate_in, | |
596 | output_sep = self.separate_out, |
|
599 | output_sep = self.separate_out, | |
597 | output_sep2 = self.separate_out2, |
|
600 | output_sep2 = self.separate_out2, | |
598 | ps1 = self.prompt_in1, |
|
601 | ps1 = self.prompt_in1, | |
599 | ps2 = self.prompt_in2, |
|
602 | ps2 = self.prompt_in2, | |
600 | ps_out = self.prompt_out, |
|
603 | ps_out = self.prompt_out, | |
601 | pad_left = self.prompts_pad_left |
|
604 | pad_left = self.prompts_pad_left | |
602 | ) |
|
605 | ) | |
603 | # This is a context manager that installs/revmoes the displayhook at |
|
606 | # This is a context manager that installs/revmoes the displayhook at | |
604 | # the appropriate time. |
|
607 | # the appropriate time. | |
605 | self.display_trap = DisplayTrap(hook=self.displayhook) |
|
608 | self.display_trap = DisplayTrap(hook=self.displayhook) | |
606 |
|
609 | |||
607 | def init_reload_doctest(self): |
|
610 | def init_reload_doctest(self): | |
608 | # Do a proper resetting of doctest, including the necessary displayhook |
|
611 | # Do a proper resetting of doctest, including the necessary displayhook | |
609 | # monkeypatching |
|
612 | # monkeypatching | |
610 | try: |
|
613 | try: | |
611 | doctest_reload() |
|
614 | doctest_reload() | |
612 | except ImportError: |
|
615 | except ImportError: | |
613 | warn("doctest module does not exist.") |
|
616 | warn("doctest module does not exist.") | |
614 |
|
617 | |||
615 | #------------------------------------------------------------------------- |
|
618 | #------------------------------------------------------------------------- | |
616 | # Things related to injections into the sys module |
|
619 | # Things related to injections into the sys module | |
617 | #------------------------------------------------------------------------- |
|
620 | #------------------------------------------------------------------------- | |
618 |
|
621 | |||
619 | def save_sys_module_state(self): |
|
622 | def save_sys_module_state(self): | |
620 | """Save the state of hooks in the sys module. |
|
623 | """Save the state of hooks in the sys module. | |
621 |
|
624 | |||
622 | This has to be called after self.user_ns is created. |
|
625 | This has to be called after self.user_ns is created. | |
623 | """ |
|
626 | """ | |
624 | self._orig_sys_module_state = {} |
|
627 | self._orig_sys_module_state = {} | |
625 | self._orig_sys_module_state['stdin'] = sys.stdin |
|
628 | self._orig_sys_module_state['stdin'] = sys.stdin | |
626 | self._orig_sys_module_state['stdout'] = sys.stdout |
|
629 | self._orig_sys_module_state['stdout'] = sys.stdout | |
627 | self._orig_sys_module_state['stderr'] = sys.stderr |
|
630 | self._orig_sys_module_state['stderr'] = sys.stderr | |
628 | self._orig_sys_module_state['excepthook'] = sys.excepthook |
|
631 | self._orig_sys_module_state['excepthook'] = sys.excepthook | |
629 | try: |
|
632 | try: | |
630 | self._orig_sys_modules_main_name = self.user_ns['__name__'] |
|
633 | self._orig_sys_modules_main_name = self.user_ns['__name__'] | |
631 | except KeyError: |
|
634 | except KeyError: | |
632 | pass |
|
635 | pass | |
633 |
|
636 | |||
634 | def restore_sys_module_state(self): |
|
637 | def restore_sys_module_state(self): | |
635 | """Restore the state of the sys module.""" |
|
638 | """Restore the state of the sys module.""" | |
636 | try: |
|
639 | try: | |
637 | for k, v in self._orig_sys_module_state.iteritems(): |
|
640 | for k, v in self._orig_sys_module_state.iteritems(): | |
638 | setattr(sys, k, v) |
|
641 | setattr(sys, k, v) | |
639 | except AttributeError: |
|
642 | except AttributeError: | |
640 | pass |
|
643 | pass | |
641 | # Reset what what done in self.init_sys_modules |
|
644 | # Reset what what done in self.init_sys_modules | |
642 | try: |
|
645 | try: | |
643 | sys.modules[self.user_ns['__name__']] = self._orig_sys_modules_main_name |
|
646 | sys.modules[self.user_ns['__name__']] = self._orig_sys_modules_main_name | |
644 | except (AttributeError, KeyError): |
|
647 | except (AttributeError, KeyError): | |
645 | pass |
|
648 | pass | |
646 |
|
649 | |||
647 | #------------------------------------------------------------------------- |
|
650 | #------------------------------------------------------------------------- | |
648 | # Things related to hooks |
|
651 | # Things related to hooks | |
649 | #------------------------------------------------------------------------- |
|
652 | #------------------------------------------------------------------------- | |
650 |
|
653 | |||
651 | def init_hooks(self): |
|
654 | def init_hooks(self): | |
652 | # hooks holds pointers used for user-side customizations |
|
655 | # hooks holds pointers used for user-side customizations | |
653 | self.hooks = Struct() |
|
656 | self.hooks = Struct() | |
654 |
|
657 | |||
655 | self.strdispatchers = {} |
|
658 | self.strdispatchers = {} | |
656 |
|
659 | |||
657 | # Set all default hooks, defined in the IPython.hooks module. |
|
660 | # Set all default hooks, defined in the IPython.hooks module. | |
658 | hooks = IPython.core.hooks |
|
661 | hooks = IPython.core.hooks | |
659 | for hook_name in hooks.__all__: |
|
662 | for hook_name in hooks.__all__: | |
660 | # default hooks have priority 100, i.e. low; user hooks should have |
|
663 | # default hooks have priority 100, i.e. low; user hooks should have | |
661 | # 0-100 priority |
|
664 | # 0-100 priority | |
662 | self.set_hook(hook_name,getattr(hooks,hook_name), 100) |
|
665 | self.set_hook(hook_name,getattr(hooks,hook_name), 100) | |
663 |
|
666 | |||
664 | def set_hook(self,name,hook, priority = 50, str_key = None, re_key = None): |
|
667 | def set_hook(self,name,hook, priority = 50, str_key = None, re_key = None): | |
665 | """set_hook(name,hook) -> sets an internal IPython hook. |
|
668 | """set_hook(name,hook) -> sets an internal IPython hook. | |
666 |
|
669 | |||
667 | IPython exposes some of its internal API as user-modifiable hooks. By |
|
670 | IPython exposes some of its internal API as user-modifiable hooks. By | |
668 | adding your function to one of these hooks, you can modify IPython's |
|
671 | adding your function to one of these hooks, you can modify IPython's | |
669 | behavior to call at runtime your own routines.""" |
|
672 | behavior to call at runtime your own routines.""" | |
670 |
|
673 | |||
671 | # At some point in the future, this should validate the hook before it |
|
674 | # At some point in the future, this should validate the hook before it | |
672 | # accepts it. Probably at least check that the hook takes the number |
|
675 | # accepts it. Probably at least check that the hook takes the number | |
673 | # of args it's supposed to. |
|
676 | # of args it's supposed to. | |
674 |
|
677 | |||
675 | f = types.MethodType(hook,self) |
|
678 | f = types.MethodType(hook,self) | |
676 |
|
679 | |||
677 | # check if the hook is for strdispatcher first |
|
680 | # check if the hook is for strdispatcher first | |
678 | if str_key is not None: |
|
681 | if str_key is not None: | |
679 | sdp = self.strdispatchers.get(name, StrDispatch()) |
|
682 | sdp = self.strdispatchers.get(name, StrDispatch()) | |
680 | sdp.add_s(str_key, f, priority ) |
|
683 | sdp.add_s(str_key, f, priority ) | |
681 | self.strdispatchers[name] = sdp |
|
684 | self.strdispatchers[name] = sdp | |
682 | return |
|
685 | return | |
683 | if re_key is not None: |
|
686 | if re_key is not None: | |
684 | sdp = self.strdispatchers.get(name, StrDispatch()) |
|
687 | sdp = self.strdispatchers.get(name, StrDispatch()) | |
685 | sdp.add_re(re.compile(re_key), f, priority ) |
|
688 | sdp.add_re(re.compile(re_key), f, priority ) | |
686 | self.strdispatchers[name] = sdp |
|
689 | self.strdispatchers[name] = sdp | |
687 | return |
|
690 | return | |
688 |
|
691 | |||
689 | dp = getattr(self.hooks, name, None) |
|
692 | dp = getattr(self.hooks, name, None) | |
690 | if name not in IPython.core.hooks.__all__: |
|
693 | if name not in IPython.core.hooks.__all__: | |
691 | print "Warning! Hook '%s' is not one of %s" % \ |
|
694 | print "Warning! Hook '%s' is not one of %s" % \ | |
692 | (name, IPython.core.hooks.__all__ ) |
|
695 | (name, IPython.core.hooks.__all__ ) | |
693 | if not dp: |
|
696 | if not dp: | |
694 | dp = IPython.core.hooks.CommandChainDispatcher() |
|
697 | dp = IPython.core.hooks.CommandChainDispatcher() | |
695 |
|
698 | |||
696 | try: |
|
699 | try: | |
697 | dp.add(f,priority) |
|
700 | dp.add(f,priority) | |
698 | except AttributeError: |
|
701 | except AttributeError: | |
699 | # it was not commandchain, plain old func - replace |
|
702 | # it was not commandchain, plain old func - replace | |
700 | dp = f |
|
703 | dp = f | |
701 |
|
704 | |||
702 | setattr(self.hooks,name, dp) |
|
705 | setattr(self.hooks,name, dp) | |
703 |
|
706 | |||
704 | def register_post_execute(self, func): |
|
707 | def register_post_execute(self, func): | |
705 | """Register a function for calling after code execution. |
|
708 | """Register a function for calling after code execution. | |
706 | """ |
|
709 | """ | |
707 | if not callable(func): |
|
710 | if not callable(func): | |
708 | raise ValueError('argument %s must be callable' % func) |
|
711 | raise ValueError('argument %s must be callable' % func) | |
709 | self._post_execute[func] = True |
|
712 | self._post_execute[func] = True | |
710 |
|
713 | |||
711 | #------------------------------------------------------------------------- |
|
714 | #------------------------------------------------------------------------- | |
712 | # Things related to the "main" module |
|
715 | # Things related to the "main" module | |
713 | #------------------------------------------------------------------------- |
|
716 | #------------------------------------------------------------------------- | |
714 |
|
717 | |||
715 | def new_main_mod(self,ns=None): |
|
718 | def new_main_mod(self,ns=None): | |
716 | """Return a new 'main' module object for user code execution. |
|
719 | """Return a new 'main' module object for user code execution. | |
717 | """ |
|
720 | """ | |
718 | main_mod = self._user_main_module |
|
721 | main_mod = self._user_main_module | |
719 | init_fakemod_dict(main_mod,ns) |
|
722 | init_fakemod_dict(main_mod,ns) | |
720 | return main_mod |
|
723 | return main_mod | |
721 |
|
724 | |||
722 | def cache_main_mod(self,ns,fname): |
|
725 | def cache_main_mod(self,ns,fname): | |
723 | """Cache a main module's namespace. |
|
726 | """Cache a main module's namespace. | |
724 |
|
727 | |||
725 | When scripts are executed via %run, we must keep a reference to the |
|
728 | When scripts are executed via %run, we must keep a reference to the | |
726 | namespace of their __main__ module (a FakeModule instance) around so |
|
729 | namespace of their __main__ module (a FakeModule instance) around so | |
727 | that Python doesn't clear it, rendering objects defined therein |
|
730 | that Python doesn't clear it, rendering objects defined therein | |
728 | useless. |
|
731 | useless. | |
729 |
|
732 | |||
730 | This method keeps said reference in a private dict, keyed by the |
|
733 | This method keeps said reference in a private dict, keyed by the | |
731 | absolute path of the module object (which corresponds to the script |
|
734 | absolute path of the module object (which corresponds to the script | |
732 | path). This way, for multiple executions of the same script we only |
|
735 | path). This way, for multiple executions of the same script we only | |
733 | keep one copy of the namespace (the last one), thus preventing memory |
|
736 | keep one copy of the namespace (the last one), thus preventing memory | |
734 | leaks from old references while allowing the objects from the last |
|
737 | leaks from old references while allowing the objects from the last | |
735 | execution to be accessible. |
|
738 | execution to be accessible. | |
736 |
|
739 | |||
737 | Note: we can not allow the actual FakeModule instances to be deleted, |
|
740 | Note: we can not allow the actual FakeModule instances to be deleted, | |
738 | because of how Python tears down modules (it hard-sets all their |
|
741 | because of how Python tears down modules (it hard-sets all their | |
739 | references to None without regard for reference counts). This method |
|
742 | references to None without regard for reference counts). This method | |
740 | must therefore make a *copy* of the given namespace, to allow the |
|
743 | must therefore make a *copy* of the given namespace, to allow the | |
741 | original module's __dict__ to be cleared and reused. |
|
744 | original module's __dict__ to be cleared and reused. | |
742 |
|
745 | |||
743 |
|
746 | |||
744 | Parameters |
|
747 | Parameters | |
745 | ---------- |
|
748 | ---------- | |
746 | ns : a namespace (a dict, typically) |
|
749 | ns : a namespace (a dict, typically) | |
747 |
|
750 | |||
748 | fname : str |
|
751 | fname : str | |
749 | Filename associated with the namespace. |
|
752 | Filename associated with the namespace. | |
750 |
|
753 | |||
751 | Examples |
|
754 | Examples | |
752 | -------- |
|
755 | -------- | |
753 |
|
756 | |||
754 | In [10]: import IPython |
|
757 | In [10]: import IPython | |
755 |
|
758 | |||
756 | In [11]: _ip.cache_main_mod(IPython.__dict__,IPython.__file__) |
|
759 | In [11]: _ip.cache_main_mod(IPython.__dict__,IPython.__file__) | |
757 |
|
760 | |||
758 | In [12]: IPython.__file__ in _ip._main_ns_cache |
|
761 | In [12]: IPython.__file__ in _ip._main_ns_cache | |
759 | Out[12]: True |
|
762 | Out[12]: True | |
760 | """ |
|
763 | """ | |
761 | self._main_ns_cache[os.path.abspath(fname)] = ns.copy() |
|
764 | self._main_ns_cache[os.path.abspath(fname)] = ns.copy() | |
762 |
|
765 | |||
763 | def clear_main_mod_cache(self): |
|
766 | def clear_main_mod_cache(self): | |
764 | """Clear the cache of main modules. |
|
767 | """Clear the cache of main modules. | |
765 |
|
768 | |||
766 | Mainly for use by utilities like %reset. |
|
769 | Mainly for use by utilities like %reset. | |
767 |
|
770 | |||
768 | Examples |
|
771 | Examples | |
769 | -------- |
|
772 | -------- | |
770 |
|
773 | |||
771 | In [15]: import IPython |
|
774 | In [15]: import IPython | |
772 |
|
775 | |||
773 | In [16]: _ip.cache_main_mod(IPython.__dict__,IPython.__file__) |
|
776 | In [16]: _ip.cache_main_mod(IPython.__dict__,IPython.__file__) | |
774 |
|
777 | |||
775 | In [17]: len(_ip._main_ns_cache) > 0 |
|
778 | In [17]: len(_ip._main_ns_cache) > 0 | |
776 | Out[17]: True |
|
779 | Out[17]: True | |
777 |
|
780 | |||
778 | In [18]: _ip.clear_main_mod_cache() |
|
781 | In [18]: _ip.clear_main_mod_cache() | |
779 |
|
782 | |||
780 | In [19]: len(_ip._main_ns_cache) == 0 |
|
783 | In [19]: len(_ip._main_ns_cache) == 0 | |
781 | Out[19]: True |
|
784 | Out[19]: True | |
782 | """ |
|
785 | """ | |
783 | self._main_ns_cache.clear() |
|
786 | self._main_ns_cache.clear() | |
784 |
|
787 | |||
785 | #------------------------------------------------------------------------- |
|
788 | #------------------------------------------------------------------------- | |
786 | # Things related to debugging |
|
789 | # Things related to debugging | |
787 | #------------------------------------------------------------------------- |
|
790 | #------------------------------------------------------------------------- | |
788 |
|
791 | |||
789 | def init_pdb(self): |
|
792 | def init_pdb(self): | |
790 | # Set calling of pdb on exceptions |
|
793 | # Set calling of pdb on exceptions | |
791 | # self.call_pdb is a property |
|
794 | # self.call_pdb is a property | |
792 | self.call_pdb = self.pdb |
|
795 | self.call_pdb = self.pdb | |
793 |
|
796 | |||
794 | def _get_call_pdb(self): |
|
797 | def _get_call_pdb(self): | |
795 | return self._call_pdb |
|
798 | return self._call_pdb | |
796 |
|
799 | |||
797 | def _set_call_pdb(self,val): |
|
800 | def _set_call_pdb(self,val): | |
798 |
|
801 | |||
799 | if val not in (0,1,False,True): |
|
802 | if val not in (0,1,False,True): | |
800 | raise ValueError,'new call_pdb value must be boolean' |
|
803 | raise ValueError,'new call_pdb value must be boolean' | |
801 |
|
804 | |||
802 | # store value in instance |
|
805 | # store value in instance | |
803 | self._call_pdb = val |
|
806 | self._call_pdb = val | |
804 |
|
807 | |||
805 | # notify the actual exception handlers |
|
808 | # notify the actual exception handlers | |
806 | self.InteractiveTB.call_pdb = val |
|
809 | self.InteractiveTB.call_pdb = val | |
807 |
|
810 | |||
808 | call_pdb = property(_get_call_pdb,_set_call_pdb,None, |
|
811 | call_pdb = property(_get_call_pdb,_set_call_pdb,None, | |
809 | 'Control auto-activation of pdb at exceptions') |
|
812 | 'Control auto-activation of pdb at exceptions') | |
810 |
|
813 | |||
811 | def debugger(self,force=False): |
|
814 | def debugger(self,force=False): | |
812 | """Call the pydb/pdb debugger. |
|
815 | """Call the pydb/pdb debugger. | |
813 |
|
816 | |||
814 | Keywords: |
|
817 | Keywords: | |
815 |
|
818 | |||
816 | - force(False): by default, this routine checks the instance call_pdb |
|
819 | - force(False): by default, this routine checks the instance call_pdb | |
817 | flag and does not actually invoke the debugger if the flag is false. |
|
820 | flag and does not actually invoke the debugger if the flag is false. | |
818 | The 'force' option forces the debugger to activate even if the flag |
|
821 | The 'force' option forces the debugger to activate even if the flag | |
819 | is false. |
|
822 | is false. | |
820 | """ |
|
823 | """ | |
821 |
|
824 | |||
822 | if not (force or self.call_pdb): |
|
825 | if not (force or self.call_pdb): | |
823 | return |
|
826 | return | |
824 |
|
827 | |||
825 | if not hasattr(sys,'last_traceback'): |
|
828 | if not hasattr(sys,'last_traceback'): | |
826 | error('No traceback has been produced, nothing to debug.') |
|
829 | error('No traceback has been produced, nothing to debug.') | |
827 | return |
|
830 | return | |
828 |
|
831 | |||
829 | # use pydb if available |
|
832 | # use pydb if available | |
830 | if debugger.has_pydb: |
|
833 | if debugger.has_pydb: | |
831 | from pydb import pm |
|
834 | from pydb import pm | |
832 | else: |
|
835 | else: | |
833 | # fallback to our internal debugger |
|
836 | # fallback to our internal debugger | |
834 | pm = lambda : self.InteractiveTB.debugger(force=True) |
|
837 | pm = lambda : self.InteractiveTB.debugger(force=True) | |
835 |
|
838 | |||
836 | with self.readline_no_record: |
|
839 | with self.readline_no_record: | |
837 | pm() |
|
840 | pm() | |
838 |
|
841 | |||
839 | #------------------------------------------------------------------------- |
|
842 | #------------------------------------------------------------------------- | |
840 | # Things related to IPython's various namespaces |
|
843 | # Things related to IPython's various namespaces | |
841 | #------------------------------------------------------------------------- |
|
844 | #------------------------------------------------------------------------- | |
842 |
|
845 | |||
843 | def init_create_namespaces(self, user_ns=None, user_global_ns=None): |
|
846 | def init_create_namespaces(self, user_ns=None, user_global_ns=None): | |
844 | # Create the namespace where the user will operate. user_ns is |
|
847 | # Create the namespace where the user will operate. user_ns is | |
845 | # normally the only one used, and it is passed to the exec calls as |
|
848 | # normally the only one used, and it is passed to the exec calls as | |
846 | # the locals argument. But we do carry a user_global_ns namespace |
|
849 | # the locals argument. But we do carry a user_global_ns namespace | |
847 | # given as the exec 'globals' argument, This is useful in embedding |
|
850 | # given as the exec 'globals' argument, This is useful in embedding | |
848 | # situations where the ipython shell opens in a context where the |
|
851 | # situations where the ipython shell opens in a context where the | |
849 | # distinction between locals and globals is meaningful. For |
|
852 | # distinction between locals and globals is meaningful. For | |
850 | # non-embedded contexts, it is just the same object as the user_ns dict. |
|
853 | # non-embedded contexts, it is just the same object as the user_ns dict. | |
851 |
|
854 | |||
852 | # FIXME. For some strange reason, __builtins__ is showing up at user |
|
855 | # FIXME. For some strange reason, __builtins__ is showing up at user | |
853 | # level as a dict instead of a module. This is a manual fix, but I |
|
856 | # level as a dict instead of a module. This is a manual fix, but I | |
854 | # should really track down where the problem is coming from. Alex |
|
857 | # should really track down where the problem is coming from. Alex | |
855 | # Schmolck reported this problem first. |
|
858 | # Schmolck reported this problem first. | |
856 |
|
859 | |||
857 | # A useful post by Alex Martelli on this topic: |
|
860 | # A useful post by Alex Martelli on this topic: | |
858 | # Re: inconsistent value from __builtins__ |
|
861 | # Re: inconsistent value from __builtins__ | |
859 | # Von: Alex Martelli <aleaxit@yahoo.com> |
|
862 | # Von: Alex Martelli <aleaxit@yahoo.com> | |
860 | # Datum: Freitag 01 Oktober 2004 04:45:34 nachmittags/abends |
|
863 | # Datum: Freitag 01 Oktober 2004 04:45:34 nachmittags/abends | |
861 | # Gruppen: comp.lang.python |
|
864 | # Gruppen: comp.lang.python | |
862 |
|
865 | |||
863 | # Michael Hohn <hohn@hooknose.lbl.gov> wrote: |
|
866 | # Michael Hohn <hohn@hooknose.lbl.gov> wrote: | |
864 | # > >>> print type(builtin_check.get_global_binding('__builtins__')) |
|
867 | # > >>> print type(builtin_check.get_global_binding('__builtins__')) | |
865 | # > <type 'dict'> |
|
868 | # > <type 'dict'> | |
866 | # > >>> print type(__builtins__) |
|
869 | # > >>> print type(__builtins__) | |
867 | # > <type 'module'> |
|
870 | # > <type 'module'> | |
868 | # > Is this difference in return value intentional? |
|
871 | # > Is this difference in return value intentional? | |
869 |
|
872 | |||
870 | # Well, it's documented that '__builtins__' can be either a dictionary |
|
873 | # Well, it's documented that '__builtins__' can be either a dictionary | |
871 | # or a module, and it's been that way for a long time. Whether it's |
|
874 | # or a module, and it's been that way for a long time. Whether it's | |
872 | # intentional (or sensible), I don't know. In any case, the idea is |
|
875 | # intentional (or sensible), I don't know. In any case, the idea is | |
873 | # that if you need to access the built-in namespace directly, you |
|
876 | # that if you need to access the built-in namespace directly, you | |
874 | # should start with "import __builtin__" (note, no 's') which will |
|
877 | # should start with "import __builtin__" (note, no 's') which will | |
875 | # definitely give you a module. Yeah, it's somewhat confusing:-(. |
|
878 | # definitely give you a module. Yeah, it's somewhat confusing:-(. | |
876 |
|
879 | |||
877 | # These routines return properly built dicts as needed by the rest of |
|
880 | # These routines return properly built dicts as needed by the rest of | |
878 | # the code, and can also be used by extension writers to generate |
|
881 | # the code, and can also be used by extension writers to generate | |
879 | # properly initialized namespaces. |
|
882 | # properly initialized namespaces. | |
880 | user_ns, user_global_ns = self.make_user_namespaces(user_ns, |
|
883 | user_ns, user_global_ns = self.make_user_namespaces(user_ns, | |
881 | user_global_ns) |
|
884 | user_global_ns) | |
882 |
|
885 | |||
883 | # Assign namespaces |
|
886 | # Assign namespaces | |
884 | # This is the namespace where all normal user variables live |
|
887 | # This is the namespace where all normal user variables live | |
885 | self.user_ns = user_ns |
|
888 | self.user_ns = user_ns | |
886 | self.user_global_ns = user_global_ns |
|
889 | self.user_global_ns = user_global_ns | |
887 |
|
890 | |||
888 | # An auxiliary namespace that checks what parts of the user_ns were |
|
891 | # An auxiliary namespace that checks what parts of the user_ns were | |
889 | # loaded at startup, so we can list later only variables defined in |
|
892 | # loaded at startup, so we can list later only variables defined in | |
890 | # actual interactive use. Since it is always a subset of user_ns, it |
|
893 | # actual interactive use. Since it is always a subset of user_ns, it | |
891 | # doesn't need to be separately tracked in the ns_table. |
|
894 | # doesn't need to be separately tracked in the ns_table. | |
892 | self.user_ns_hidden = {} |
|
895 | self.user_ns_hidden = {} | |
893 |
|
896 | |||
894 | # A namespace to keep track of internal data structures to prevent |
|
897 | # A namespace to keep track of internal data structures to prevent | |
895 | # them from cluttering user-visible stuff. Will be updated later |
|
898 | # them from cluttering user-visible stuff. Will be updated later | |
896 | self.internal_ns = {} |
|
899 | self.internal_ns = {} | |
897 |
|
900 | |||
898 | # Now that FakeModule produces a real module, we've run into a nasty |
|
901 | # Now that FakeModule produces a real module, we've run into a nasty | |
899 | # problem: after script execution (via %run), the module where the user |
|
902 | # problem: after script execution (via %run), the module where the user | |
900 | # code ran is deleted. Now that this object is a true module (needed |
|
903 | # code ran is deleted. Now that this object is a true module (needed | |
901 | # so docetst and other tools work correctly), the Python module |
|
904 | # so docetst and other tools work correctly), the Python module | |
902 | # teardown mechanism runs over it, and sets to None every variable |
|
905 | # teardown mechanism runs over it, and sets to None every variable | |
903 | # present in that module. Top-level references to objects from the |
|
906 | # present in that module. Top-level references to objects from the | |
904 | # script survive, because the user_ns is updated with them. However, |
|
907 | # script survive, because the user_ns is updated with them. However, | |
905 | # calling functions defined in the script that use other things from |
|
908 | # calling functions defined in the script that use other things from | |
906 | # the script will fail, because the function's closure had references |
|
909 | # the script will fail, because the function's closure had references | |
907 | # to the original objects, which are now all None. So we must protect |
|
910 | # to the original objects, which are now all None. So we must protect | |
908 | # these modules from deletion by keeping a cache. |
|
911 | # these modules from deletion by keeping a cache. | |
909 | # |
|
912 | # | |
910 | # To avoid keeping stale modules around (we only need the one from the |
|
913 | # To avoid keeping stale modules around (we only need the one from the | |
911 | # last run), we use a dict keyed with the full path to the script, so |
|
914 | # last run), we use a dict keyed with the full path to the script, so | |
912 | # only the last version of the module is held in the cache. Note, |
|
915 | # only the last version of the module is held in the cache. Note, | |
913 | # however, that we must cache the module *namespace contents* (their |
|
916 | # however, that we must cache the module *namespace contents* (their | |
914 | # __dict__). Because if we try to cache the actual modules, old ones |
|
917 | # __dict__). Because if we try to cache the actual modules, old ones | |
915 | # (uncached) could be destroyed while still holding references (such as |
|
918 | # (uncached) could be destroyed while still holding references (such as | |
916 | # those held by GUI objects that tend to be long-lived)> |
|
919 | # those held by GUI objects that tend to be long-lived)> | |
917 | # |
|
920 | # | |
918 | # The %reset command will flush this cache. See the cache_main_mod() |
|
921 | # The %reset command will flush this cache. See the cache_main_mod() | |
919 | # and clear_main_mod_cache() methods for details on use. |
|
922 | # and clear_main_mod_cache() methods for details on use. | |
920 |
|
923 | |||
921 | # This is the cache used for 'main' namespaces |
|
924 | # This is the cache used for 'main' namespaces | |
922 | self._main_ns_cache = {} |
|
925 | self._main_ns_cache = {} | |
923 | # And this is the single instance of FakeModule whose __dict__ we keep |
|
926 | # And this is the single instance of FakeModule whose __dict__ we keep | |
924 | # copying and clearing for reuse on each %run |
|
927 | # copying and clearing for reuse on each %run | |
925 | self._user_main_module = FakeModule() |
|
928 | self._user_main_module = FakeModule() | |
926 |
|
929 | |||
927 | # A table holding all the namespaces IPython deals with, so that |
|
930 | # A table holding all the namespaces IPython deals with, so that | |
928 | # introspection facilities can search easily. |
|
931 | # introspection facilities can search easily. | |
929 | self.ns_table = {'user':user_ns, |
|
932 | self.ns_table = {'user':user_ns, | |
930 | 'user_global':user_global_ns, |
|
933 | 'user_global':user_global_ns, | |
931 | 'internal':self.internal_ns, |
|
934 | 'internal':self.internal_ns, | |
932 | 'builtin':builtin_mod.__dict__ |
|
935 | 'builtin':builtin_mod.__dict__ | |
933 | } |
|
936 | } | |
934 |
|
937 | |||
935 | # Similarly, track all namespaces where references can be held and that |
|
938 | # Similarly, track all namespaces where references can be held and that | |
936 | # we can safely clear (so it can NOT include builtin). This one can be |
|
939 | # we can safely clear (so it can NOT include builtin). This one can be | |
937 | # a simple list. Note that the main execution namespaces, user_ns and |
|
940 | # a simple list. Note that the main execution namespaces, user_ns and | |
938 | # user_global_ns, can NOT be listed here, as clearing them blindly |
|
941 | # user_global_ns, can NOT be listed here, as clearing them blindly | |
939 | # causes errors in object __del__ methods. Instead, the reset() method |
|
942 | # causes errors in object __del__ methods. Instead, the reset() method | |
940 | # clears them manually and carefully. |
|
943 | # clears them manually and carefully. | |
941 | self.ns_refs_table = [ self.user_ns_hidden, |
|
944 | self.ns_refs_table = [ self.user_ns_hidden, | |
942 | self.internal_ns, self._main_ns_cache ] |
|
945 | self.internal_ns, self._main_ns_cache ] | |
943 |
|
946 | |||
944 | def make_user_namespaces(self, user_ns=None, user_global_ns=None): |
|
947 | def make_user_namespaces(self, user_ns=None, user_global_ns=None): | |
945 | """Return a valid local and global user interactive namespaces. |
|
948 | """Return a valid local and global user interactive namespaces. | |
946 |
|
949 | |||
947 | This builds a dict with the minimal information needed to operate as a |
|
950 | This builds a dict with the minimal information needed to operate as a | |
948 | valid IPython user namespace, which you can pass to the various |
|
951 | valid IPython user namespace, which you can pass to the various | |
949 | embedding classes in ipython. The default implementation returns the |
|
952 | embedding classes in ipython. The default implementation returns the | |
950 | same dict for both the locals and the globals to allow functions to |
|
953 | same dict for both the locals and the globals to allow functions to | |
951 | refer to variables in the namespace. Customized implementations can |
|
954 | refer to variables in the namespace. Customized implementations can | |
952 | return different dicts. The locals dictionary can actually be anything |
|
955 | return different dicts. The locals dictionary can actually be anything | |
953 | following the basic mapping protocol of a dict, but the globals dict |
|
956 | following the basic mapping protocol of a dict, but the globals dict | |
954 | must be a true dict, not even a subclass. It is recommended that any |
|
957 | must be a true dict, not even a subclass. It is recommended that any | |
955 | custom object for the locals namespace synchronize with the globals |
|
958 | custom object for the locals namespace synchronize with the globals | |
956 | dict somehow. |
|
959 | dict somehow. | |
957 |
|
960 | |||
958 | Raises TypeError if the provided globals namespace is not a true dict. |
|
961 | Raises TypeError if the provided globals namespace is not a true dict. | |
959 |
|
962 | |||
960 | Parameters |
|
963 | Parameters | |
961 | ---------- |
|
964 | ---------- | |
962 | user_ns : dict-like, optional |
|
965 | user_ns : dict-like, optional | |
963 | The current user namespace. The items in this namespace should |
|
966 | The current user namespace. The items in this namespace should | |
964 | be included in the output. If None, an appropriate blank |
|
967 | be included in the output. If None, an appropriate blank | |
965 | namespace should be created. |
|
968 | namespace should be created. | |
966 | user_global_ns : dict, optional |
|
969 | user_global_ns : dict, optional | |
967 | The current user global namespace. The items in this namespace |
|
970 | The current user global namespace. The items in this namespace | |
968 | should be included in the output. If None, an appropriate |
|
971 | should be included in the output. If None, an appropriate | |
969 | blank namespace should be created. |
|
972 | blank namespace should be created. | |
970 |
|
973 | |||
971 | Returns |
|
974 | Returns | |
972 | ------- |
|
975 | ------- | |
973 | A pair of dictionary-like object to be used as the local namespace |
|
976 | A pair of dictionary-like object to be used as the local namespace | |
974 | of the interpreter and a dict to be used as the global namespace. |
|
977 | of the interpreter and a dict to be used as the global namespace. | |
975 | """ |
|
978 | """ | |
976 |
|
979 | |||
977 |
|
980 | |||
978 | # We must ensure that __builtin__ (without the final 's') is always |
|
981 | # We must ensure that __builtin__ (without the final 's') is always | |
979 | # available and pointing to the __builtin__ *module*. For more details: |
|
982 | # available and pointing to the __builtin__ *module*. For more details: | |
980 | # http://mail.python.org/pipermail/python-dev/2001-April/014068.html |
|
983 | # http://mail.python.org/pipermail/python-dev/2001-April/014068.html | |
981 |
|
984 | |||
982 | if user_ns is None: |
|
985 | if user_ns is None: | |
983 | # Set __name__ to __main__ to better match the behavior of the |
|
986 | # Set __name__ to __main__ to better match the behavior of the | |
984 | # normal interpreter. |
|
987 | # normal interpreter. | |
985 | user_ns = {'__name__' :'__main__', |
|
988 | user_ns = {'__name__' :'__main__', | |
986 | py3compat.builtin_mod_name: builtin_mod, |
|
989 | py3compat.builtin_mod_name: builtin_mod, | |
987 | '__builtins__' : builtin_mod, |
|
990 | '__builtins__' : builtin_mod, | |
988 | } |
|
991 | } | |
989 | else: |
|
992 | else: | |
990 | user_ns.setdefault('__name__','__main__') |
|
993 | user_ns.setdefault('__name__','__main__') | |
991 | user_ns.setdefault(py3compat.builtin_mod_name,builtin_mod) |
|
994 | user_ns.setdefault(py3compat.builtin_mod_name,builtin_mod) | |
992 | user_ns.setdefault('__builtins__',builtin_mod) |
|
995 | user_ns.setdefault('__builtins__',builtin_mod) | |
993 |
|
996 | |||
994 | if user_global_ns is None: |
|
997 | if user_global_ns is None: | |
995 | user_global_ns = user_ns |
|
998 | user_global_ns = user_ns | |
996 | if type(user_global_ns) is not dict: |
|
999 | if type(user_global_ns) is not dict: | |
997 | raise TypeError("user_global_ns must be a true dict; got %r" |
|
1000 | raise TypeError("user_global_ns must be a true dict; got %r" | |
998 | % type(user_global_ns)) |
|
1001 | % type(user_global_ns)) | |
999 |
|
1002 | |||
1000 | return user_ns, user_global_ns |
|
1003 | return user_ns, user_global_ns | |
1001 |
|
1004 | |||
1002 | def init_sys_modules(self): |
|
1005 | def init_sys_modules(self): | |
1003 | # We need to insert into sys.modules something that looks like a |
|
1006 | # We need to insert into sys.modules something that looks like a | |
1004 | # module but which accesses the IPython namespace, for shelve and |
|
1007 | # module but which accesses the IPython namespace, for shelve and | |
1005 | # pickle to work interactively. Normally they rely on getting |
|
1008 | # pickle to work interactively. Normally they rely on getting | |
1006 | # everything out of __main__, but for embedding purposes each IPython |
|
1009 | # everything out of __main__, but for embedding purposes each IPython | |
1007 | # instance has its own private namespace, so we can't go shoving |
|
1010 | # instance has its own private namespace, so we can't go shoving | |
1008 | # everything into __main__. |
|
1011 | # everything into __main__. | |
1009 |
|
1012 | |||
1010 | # note, however, that we should only do this for non-embedded |
|
1013 | # note, however, that we should only do this for non-embedded | |
1011 | # ipythons, which really mimic the __main__.__dict__ with their own |
|
1014 | # ipythons, which really mimic the __main__.__dict__ with their own | |
1012 | # namespace. Embedded instances, on the other hand, should not do |
|
1015 | # namespace. Embedded instances, on the other hand, should not do | |
1013 | # this because they need to manage the user local/global namespaces |
|
1016 | # this because they need to manage the user local/global namespaces | |
1014 | # only, but they live within a 'normal' __main__ (meaning, they |
|
1017 | # only, but they live within a 'normal' __main__ (meaning, they | |
1015 | # shouldn't overtake the execution environment of the script they're |
|
1018 | # shouldn't overtake the execution environment of the script they're | |
1016 | # embedded in). |
|
1019 | # embedded in). | |
1017 |
|
1020 | |||
1018 | # This is overridden in the InteractiveShellEmbed subclass to a no-op. |
|
1021 | # This is overridden in the InteractiveShellEmbed subclass to a no-op. | |
1019 |
|
1022 | |||
1020 | try: |
|
1023 | try: | |
1021 | main_name = self.user_ns['__name__'] |
|
1024 | main_name = self.user_ns['__name__'] | |
1022 | except KeyError: |
|
1025 | except KeyError: | |
1023 | raise KeyError('user_ns dictionary MUST have a "__name__" key') |
|
1026 | raise KeyError('user_ns dictionary MUST have a "__name__" key') | |
1024 | else: |
|
1027 | else: | |
1025 | sys.modules[main_name] = FakeModule(self.user_ns) |
|
1028 | sys.modules[main_name] = FakeModule(self.user_ns) | |
1026 |
|
1029 | |||
1027 | def init_user_ns(self): |
|
1030 | def init_user_ns(self): | |
1028 | """Initialize all user-visible namespaces to their minimum defaults. |
|
1031 | """Initialize all user-visible namespaces to their minimum defaults. | |
1029 |
|
1032 | |||
1030 | Certain history lists are also initialized here, as they effectively |
|
1033 | Certain history lists are also initialized here, as they effectively | |
1031 | act as user namespaces. |
|
1034 | act as user namespaces. | |
1032 |
|
1035 | |||
1033 | Notes |
|
1036 | Notes | |
1034 | ----- |
|
1037 | ----- | |
1035 | All data structures here are only filled in, they are NOT reset by this |
|
1038 | All data structures here are only filled in, they are NOT reset by this | |
1036 | method. If they were not empty before, data will simply be added to |
|
1039 | method. If they were not empty before, data will simply be added to | |
1037 | therm. |
|
1040 | therm. | |
1038 | """ |
|
1041 | """ | |
1039 | # This function works in two parts: first we put a few things in |
|
1042 | # This function works in two parts: first we put a few things in | |
1040 | # user_ns, and we sync that contents into user_ns_hidden so that these |
|
1043 | # user_ns, and we sync that contents into user_ns_hidden so that these | |
1041 | # initial variables aren't shown by %who. After the sync, we add the |
|
1044 | # initial variables aren't shown by %who. After the sync, we add the | |
1042 | # rest of what we *do* want the user to see with %who even on a new |
|
1045 | # rest of what we *do* want the user to see with %who even on a new | |
1043 | # session (probably nothing, so theye really only see their own stuff) |
|
1046 | # session (probably nothing, so theye really only see their own stuff) | |
1044 |
|
1047 | |||
1045 | # The user dict must *always* have a __builtin__ reference to the |
|
1048 | # The user dict must *always* have a __builtin__ reference to the | |
1046 | # Python standard __builtin__ namespace, which must be imported. |
|
1049 | # Python standard __builtin__ namespace, which must be imported. | |
1047 | # This is so that certain operations in prompt evaluation can be |
|
1050 | # This is so that certain operations in prompt evaluation can be | |
1048 | # reliably executed with builtins. Note that we can NOT use |
|
1051 | # reliably executed with builtins. Note that we can NOT use | |
1049 | # __builtins__ (note the 's'), because that can either be a dict or a |
|
1052 | # __builtins__ (note the 's'), because that can either be a dict or a | |
1050 | # module, and can even mutate at runtime, depending on the context |
|
1053 | # module, and can even mutate at runtime, depending on the context | |
1051 | # (Python makes no guarantees on it). In contrast, __builtin__ is |
|
1054 | # (Python makes no guarantees on it). In contrast, __builtin__ is | |
1052 | # always a module object, though it must be explicitly imported. |
|
1055 | # always a module object, though it must be explicitly imported. | |
1053 |
|
1056 | |||
1054 | # For more details: |
|
1057 | # For more details: | |
1055 | # http://mail.python.org/pipermail/python-dev/2001-April/014068.html |
|
1058 | # http://mail.python.org/pipermail/python-dev/2001-April/014068.html | |
1056 | ns = dict(__builtin__ = builtin_mod) |
|
1059 | ns = dict(__builtin__ = builtin_mod) | |
1057 |
|
1060 | |||
1058 | # Put 'help' in the user namespace |
|
1061 | # Put 'help' in the user namespace | |
1059 | try: |
|
1062 | try: | |
1060 | from site import _Helper |
|
1063 | from site import _Helper | |
1061 | ns['help'] = _Helper() |
|
1064 | ns['help'] = _Helper() | |
1062 | except ImportError: |
|
1065 | except ImportError: | |
1063 | warn('help() not available - check site.py') |
|
1066 | warn('help() not available - check site.py') | |
1064 |
|
1067 | |||
1065 | # make global variables for user access to the histories |
|
1068 | # make global variables for user access to the histories | |
1066 | ns['_ih'] = self.history_manager.input_hist_parsed |
|
1069 | ns['_ih'] = self.history_manager.input_hist_parsed | |
1067 | ns['_oh'] = self.history_manager.output_hist |
|
1070 | ns['_oh'] = self.history_manager.output_hist | |
1068 | ns['_dh'] = self.history_manager.dir_hist |
|
1071 | ns['_dh'] = self.history_manager.dir_hist | |
1069 |
|
1072 | |||
1070 | ns['_sh'] = shadowns |
|
1073 | ns['_sh'] = shadowns | |
1071 |
|
1074 | |||
1072 | # user aliases to input and output histories. These shouldn't show up |
|
1075 | # user aliases to input and output histories. These shouldn't show up | |
1073 | # in %who, as they can have very large reprs. |
|
1076 | # in %who, as they can have very large reprs. | |
1074 | ns['In'] = self.history_manager.input_hist_parsed |
|
1077 | ns['In'] = self.history_manager.input_hist_parsed | |
1075 | ns['Out'] = self.history_manager.output_hist |
|
1078 | ns['Out'] = self.history_manager.output_hist | |
1076 |
|
1079 | |||
1077 | # Store myself as the public api!!! |
|
1080 | # Store myself as the public api!!! | |
1078 | ns['get_ipython'] = self.get_ipython |
|
1081 | ns['get_ipython'] = self.get_ipython | |
1079 |
|
1082 | |||
1080 | ns['exit'] = self.exiter |
|
1083 | ns['exit'] = self.exiter | |
1081 | ns['quit'] = self.exiter |
|
1084 | ns['quit'] = self.exiter | |
1082 |
|
1085 | |||
1083 | # Sync what we've added so far to user_ns_hidden so these aren't seen |
|
1086 | # Sync what we've added so far to user_ns_hidden so these aren't seen | |
1084 | # by %who |
|
1087 | # by %who | |
1085 | self.user_ns_hidden.update(ns) |
|
1088 | self.user_ns_hidden.update(ns) | |
1086 |
|
1089 | |||
1087 | # Anything put into ns now would show up in %who. Think twice before |
|
1090 | # Anything put into ns now would show up in %who. Think twice before | |
1088 | # putting anything here, as we really want %who to show the user their |
|
1091 | # putting anything here, as we really want %who to show the user their | |
1089 | # stuff, not our variables. |
|
1092 | # stuff, not our variables. | |
1090 |
|
1093 | |||
1091 | # Finally, update the real user's namespace |
|
1094 | # Finally, update the real user's namespace | |
1092 | self.user_ns.update(ns) |
|
1095 | self.user_ns.update(ns) | |
1093 |
|
1096 | |||
1094 | def reset(self, new_session=True): |
|
1097 | def reset(self, new_session=True): | |
1095 | """Clear all internal namespaces, and attempt to release references to |
|
1098 | """Clear all internal namespaces, and attempt to release references to | |
1096 | user objects. |
|
1099 | user objects. | |
1097 |
|
1100 | |||
1098 | If new_session is True, a new history session will be opened. |
|
1101 | If new_session is True, a new history session will be opened. | |
1099 | """ |
|
1102 | """ | |
1100 | # Clear histories |
|
1103 | # Clear histories | |
1101 | self.history_manager.reset(new_session) |
|
1104 | self.history_manager.reset(new_session) | |
1102 | # Reset counter used to index all histories |
|
1105 | # Reset counter used to index all histories | |
1103 | if new_session: |
|
1106 | if new_session: | |
1104 | self.execution_count = 1 |
|
1107 | self.execution_count = 1 | |
1105 |
|
1108 | |||
1106 | # Flush cached output items |
|
1109 | # Flush cached output items | |
1107 | if self.displayhook.do_full_cache: |
|
1110 | if self.displayhook.do_full_cache: | |
1108 | self.displayhook.flush() |
|
1111 | self.displayhook.flush() | |
1109 |
|
1112 | |||
1110 | # Restore the user namespaces to minimal usability |
|
1113 | # Restore the user namespaces to minimal usability | |
1111 | for ns in self.ns_refs_table: |
|
1114 | for ns in self.ns_refs_table: | |
1112 | ns.clear() |
|
1115 | ns.clear() | |
1113 |
|
1116 | |||
1114 | # The main execution namespaces must be cleared very carefully, |
|
1117 | # The main execution namespaces must be cleared very carefully, | |
1115 | # skipping the deletion of the builtin-related keys, because doing so |
|
1118 | # skipping the deletion of the builtin-related keys, because doing so | |
1116 | # would cause errors in many object's __del__ methods. |
|
1119 | # would cause errors in many object's __del__ methods. | |
1117 | for ns in [self.user_ns, self.user_global_ns]: |
|
1120 | for ns in [self.user_ns, self.user_global_ns]: | |
1118 | drop_keys = set(ns.keys()) |
|
1121 | drop_keys = set(ns.keys()) | |
1119 | drop_keys.discard('__builtin__') |
|
1122 | drop_keys.discard('__builtin__') | |
1120 | drop_keys.discard('__builtins__') |
|
1123 | drop_keys.discard('__builtins__') | |
1121 | for k in drop_keys: |
|
1124 | for k in drop_keys: | |
1122 | del ns[k] |
|
1125 | del ns[k] | |
1123 |
|
1126 | |||
1124 | # Restore the user namespaces to minimal usability |
|
1127 | # Restore the user namespaces to minimal usability | |
1125 | self.init_user_ns() |
|
1128 | self.init_user_ns() | |
1126 |
|
1129 | |||
1127 | # Restore the default and user aliases |
|
1130 | # Restore the default and user aliases | |
1128 | self.alias_manager.clear_aliases() |
|
1131 | self.alias_manager.clear_aliases() | |
1129 | self.alias_manager.init_aliases() |
|
1132 | self.alias_manager.init_aliases() | |
1130 |
|
1133 | |||
1131 | # Flush the private list of module references kept for script |
|
1134 | # Flush the private list of module references kept for script | |
1132 | # execution protection |
|
1135 | # execution protection | |
1133 | self.clear_main_mod_cache() |
|
1136 | self.clear_main_mod_cache() | |
1134 |
|
1137 | |||
1135 | # Clear out the namespace from the last %run |
|
1138 | # Clear out the namespace from the last %run | |
1136 | self.new_main_mod() |
|
1139 | self.new_main_mod() | |
1137 |
|
1140 | |||
1138 | def del_var(self, varname, by_name=False): |
|
1141 | def del_var(self, varname, by_name=False): | |
1139 | """Delete a variable from the various namespaces, so that, as |
|
1142 | """Delete a variable from the various namespaces, so that, as | |
1140 | far as possible, we're not keeping any hidden references to it. |
|
1143 | far as possible, we're not keeping any hidden references to it. | |
1141 |
|
1144 | |||
1142 | Parameters |
|
1145 | Parameters | |
1143 | ---------- |
|
1146 | ---------- | |
1144 | varname : str |
|
1147 | varname : str | |
1145 | The name of the variable to delete. |
|
1148 | The name of the variable to delete. | |
1146 | by_name : bool |
|
1149 | by_name : bool | |
1147 | If True, delete variables with the given name in each |
|
1150 | If True, delete variables with the given name in each | |
1148 | namespace. If False (default), find the variable in the user |
|
1151 | namespace. If False (default), find the variable in the user | |
1149 | namespace, and delete references to it. |
|
1152 | namespace, and delete references to it. | |
1150 | """ |
|
1153 | """ | |
1151 | if varname in ('__builtin__', '__builtins__'): |
|
1154 | if varname in ('__builtin__', '__builtins__'): | |
1152 | raise ValueError("Refusing to delete %s" % varname) |
|
1155 | raise ValueError("Refusing to delete %s" % varname) | |
1153 | ns_refs = self.ns_refs_table + [self.user_ns, |
|
1156 | ns_refs = self.ns_refs_table + [self.user_ns, | |
1154 | self.user_global_ns, self._user_main_module.__dict__] +\ |
|
1157 | self.user_global_ns, self._user_main_module.__dict__] +\ | |
1155 | self._main_ns_cache.values() |
|
1158 | self._main_ns_cache.values() | |
1156 |
|
1159 | |||
1157 | if by_name: # Delete by name |
|
1160 | if by_name: # Delete by name | |
1158 | for ns in ns_refs: |
|
1161 | for ns in ns_refs: | |
1159 | try: |
|
1162 | try: | |
1160 | del ns[varname] |
|
1163 | del ns[varname] | |
1161 | except KeyError: |
|
1164 | except KeyError: | |
1162 | pass |
|
1165 | pass | |
1163 | else: # Delete by object |
|
1166 | else: # Delete by object | |
1164 | try: |
|
1167 | try: | |
1165 | obj = self.user_ns[varname] |
|
1168 | obj = self.user_ns[varname] | |
1166 | except KeyError: |
|
1169 | except KeyError: | |
1167 | raise NameError("name '%s' is not defined" % varname) |
|
1170 | raise NameError("name '%s' is not defined" % varname) | |
1168 | # Also check in output history |
|
1171 | # Also check in output history | |
1169 | ns_refs.append(self.history_manager.output_hist) |
|
1172 | ns_refs.append(self.history_manager.output_hist) | |
1170 | for ns in ns_refs: |
|
1173 | for ns in ns_refs: | |
1171 | to_delete = [n for n, o in ns.iteritems() if o is obj] |
|
1174 | to_delete = [n for n, o in ns.iteritems() if o is obj] | |
1172 | for name in to_delete: |
|
1175 | for name in to_delete: | |
1173 | del ns[name] |
|
1176 | del ns[name] | |
1174 |
|
1177 | |||
1175 | # displayhook keeps extra references, but not in a dictionary |
|
1178 | # displayhook keeps extra references, but not in a dictionary | |
1176 | for name in ('_', '__', '___'): |
|
1179 | for name in ('_', '__', '___'): | |
1177 | if getattr(self.displayhook, name) is obj: |
|
1180 | if getattr(self.displayhook, name) is obj: | |
1178 | setattr(self.displayhook, name, None) |
|
1181 | setattr(self.displayhook, name, None) | |
1179 |
|
1182 | |||
1180 | def reset_selective(self, regex=None): |
|
1183 | def reset_selective(self, regex=None): | |
1181 | """Clear selective variables from internal namespaces based on a |
|
1184 | """Clear selective variables from internal namespaces based on a | |
1182 | specified regular expression. |
|
1185 | specified regular expression. | |
1183 |
|
1186 | |||
1184 | Parameters |
|
1187 | Parameters | |
1185 | ---------- |
|
1188 | ---------- | |
1186 | regex : string or compiled pattern, optional |
|
1189 | regex : string or compiled pattern, optional | |
1187 | A regular expression pattern that will be used in searching |
|
1190 | A regular expression pattern that will be used in searching | |
1188 | variable names in the users namespaces. |
|
1191 | variable names in the users namespaces. | |
1189 | """ |
|
1192 | """ | |
1190 | if regex is not None: |
|
1193 | if regex is not None: | |
1191 | try: |
|
1194 | try: | |
1192 | m = re.compile(regex) |
|
1195 | m = re.compile(regex) | |
1193 | except TypeError: |
|
1196 | except TypeError: | |
1194 | raise TypeError('regex must be a string or compiled pattern') |
|
1197 | raise TypeError('regex must be a string or compiled pattern') | |
1195 | # Search for keys in each namespace that match the given regex |
|
1198 | # Search for keys in each namespace that match the given regex | |
1196 | # If a match is found, delete the key/value pair. |
|
1199 | # If a match is found, delete the key/value pair. | |
1197 | for ns in self.ns_refs_table: |
|
1200 | for ns in self.ns_refs_table: | |
1198 | for var in ns: |
|
1201 | for var in ns: | |
1199 | if m.search(var): |
|
1202 | if m.search(var): | |
1200 | del ns[var] |
|
1203 | del ns[var] | |
1201 |
|
1204 | |||
1202 | def push(self, variables, interactive=True): |
|
1205 | def push(self, variables, interactive=True): | |
1203 | """Inject a group of variables into the IPython user namespace. |
|
1206 | """Inject a group of variables into the IPython user namespace. | |
1204 |
|
1207 | |||
1205 | Parameters |
|
1208 | Parameters | |
1206 | ---------- |
|
1209 | ---------- | |
1207 | variables : dict, str or list/tuple of str |
|
1210 | variables : dict, str or list/tuple of str | |
1208 | The variables to inject into the user's namespace. If a dict, a |
|
1211 | The variables to inject into the user's namespace. If a dict, a | |
1209 | simple update is done. If a str, the string is assumed to have |
|
1212 | simple update is done. If a str, the string is assumed to have | |
1210 | variable names separated by spaces. A list/tuple of str can also |
|
1213 | variable names separated by spaces. A list/tuple of str can also | |
1211 | be used to give the variable names. If just the variable names are |
|
1214 | be used to give the variable names. If just the variable names are | |
1212 | give (list/tuple/str) then the variable values looked up in the |
|
1215 | give (list/tuple/str) then the variable values looked up in the | |
1213 | callers frame. |
|
1216 | callers frame. | |
1214 | interactive : bool |
|
1217 | interactive : bool | |
1215 | If True (default), the variables will be listed with the ``who`` |
|
1218 | If True (default), the variables will be listed with the ``who`` | |
1216 | magic. |
|
1219 | magic. | |
1217 | """ |
|
1220 | """ | |
1218 | vdict = None |
|
1221 | vdict = None | |
1219 |
|
1222 | |||
1220 | # We need a dict of name/value pairs to do namespace updates. |
|
1223 | # We need a dict of name/value pairs to do namespace updates. | |
1221 | if isinstance(variables, dict): |
|
1224 | if isinstance(variables, dict): | |
1222 | vdict = variables |
|
1225 | vdict = variables | |
1223 | elif isinstance(variables, (basestring, list, tuple)): |
|
1226 | elif isinstance(variables, (basestring, list, tuple)): | |
1224 | if isinstance(variables, basestring): |
|
1227 | if isinstance(variables, basestring): | |
1225 | vlist = variables.split() |
|
1228 | vlist = variables.split() | |
1226 | else: |
|
1229 | else: | |
1227 | vlist = variables |
|
1230 | vlist = variables | |
1228 | vdict = {} |
|
1231 | vdict = {} | |
1229 | cf = sys._getframe(1) |
|
1232 | cf = sys._getframe(1) | |
1230 | for name in vlist: |
|
1233 | for name in vlist: | |
1231 | try: |
|
1234 | try: | |
1232 | vdict[name] = eval(name, cf.f_globals, cf.f_locals) |
|
1235 | vdict[name] = eval(name, cf.f_globals, cf.f_locals) | |
1233 | except: |
|
1236 | except: | |
1234 | print ('Could not get variable %s from %s' % |
|
1237 | print ('Could not get variable %s from %s' % | |
1235 | (name,cf.f_code.co_name)) |
|
1238 | (name,cf.f_code.co_name)) | |
1236 | else: |
|
1239 | else: | |
1237 | raise ValueError('variables must be a dict/str/list/tuple') |
|
1240 | raise ValueError('variables must be a dict/str/list/tuple') | |
1238 |
|
1241 | |||
1239 | # Propagate variables to user namespace |
|
1242 | # Propagate variables to user namespace | |
1240 | self.user_ns.update(vdict) |
|
1243 | self.user_ns.update(vdict) | |
1241 |
|
1244 | |||
1242 | # And configure interactive visibility |
|
1245 | # And configure interactive visibility | |
1243 | config_ns = self.user_ns_hidden |
|
1246 | config_ns = self.user_ns_hidden | |
1244 | if interactive: |
|
1247 | if interactive: | |
1245 | for name, val in vdict.iteritems(): |
|
1248 | for name, val in vdict.iteritems(): | |
1246 | config_ns.pop(name, None) |
|
1249 | config_ns.pop(name, None) | |
1247 | else: |
|
1250 | else: | |
1248 | for name,val in vdict.iteritems(): |
|
1251 | for name,val in vdict.iteritems(): | |
1249 | config_ns[name] = val |
|
1252 | config_ns[name] = val | |
1250 |
|
1253 | |||
1251 | #------------------------------------------------------------------------- |
|
1254 | #------------------------------------------------------------------------- | |
1252 | # Things related to object introspection |
|
1255 | # Things related to object introspection | |
1253 | #------------------------------------------------------------------------- |
|
1256 | #------------------------------------------------------------------------- | |
1254 |
|
1257 | |||
1255 | def _ofind(self, oname, namespaces=None): |
|
1258 | def _ofind(self, oname, namespaces=None): | |
1256 | """Find an object in the available namespaces. |
|
1259 | """Find an object in the available namespaces. | |
1257 |
|
1260 | |||
1258 | self._ofind(oname) -> dict with keys: found,obj,ospace,ismagic |
|
1261 | self._ofind(oname) -> dict with keys: found,obj,ospace,ismagic | |
1259 |
|
1262 | |||
1260 | Has special code to detect magic functions. |
|
1263 | Has special code to detect magic functions. | |
1261 | """ |
|
1264 | """ | |
1262 | oname = oname.strip() |
|
1265 | oname = oname.strip() | |
1263 | #print '1- oname: <%r>' % oname # dbg |
|
1266 | #print '1- oname: <%r>' % oname # dbg | |
1264 | if not py3compat.isidentifier(oname.lstrip(ESC_MAGIC), dotted=True): |
|
1267 | if not py3compat.isidentifier(oname.lstrip(ESC_MAGIC), dotted=True): | |
1265 | return dict(found=False) |
|
1268 | return dict(found=False) | |
1266 |
|
1269 | |||
1267 | alias_ns = None |
|
1270 | alias_ns = None | |
1268 | if namespaces is None: |
|
1271 | if namespaces is None: | |
1269 | # Namespaces to search in: |
|
1272 | # Namespaces to search in: | |
1270 | # Put them in a list. The order is important so that we |
|
1273 | # Put them in a list. The order is important so that we | |
1271 | # find things in the same order that Python finds them. |
|
1274 | # find things in the same order that Python finds them. | |
1272 | namespaces = [ ('Interactive', self.user_ns), |
|
1275 | namespaces = [ ('Interactive', self.user_ns), | |
1273 | ('IPython internal', self.internal_ns), |
|
1276 | ('IPython internal', self.internal_ns), | |
1274 | ('Python builtin', builtin_mod.__dict__), |
|
1277 | ('Python builtin', builtin_mod.__dict__), | |
1275 | ('Alias', self.alias_manager.alias_table), |
|
1278 | ('Alias', self.alias_manager.alias_table), | |
1276 | ] |
|
1279 | ] | |
1277 | alias_ns = self.alias_manager.alias_table |
|
1280 | alias_ns = self.alias_manager.alias_table | |
1278 |
|
1281 | |||
1279 | # initialize results to 'null' |
|
1282 | # initialize results to 'null' | |
1280 | found = False; obj = None; ospace = None; ds = None; |
|
1283 | found = False; obj = None; ospace = None; ds = None; | |
1281 | ismagic = False; isalias = False; parent = None |
|
1284 | ismagic = False; isalias = False; parent = None | |
1282 |
|
1285 | |||
1283 | # We need to special-case 'print', which as of python2.6 registers as a |
|
1286 | # We need to special-case 'print', which as of python2.6 registers as a | |
1284 | # function but should only be treated as one if print_function was |
|
1287 | # function but should only be treated as one if print_function was | |
1285 | # loaded with a future import. In this case, just bail. |
|
1288 | # loaded with a future import. In this case, just bail. | |
1286 | if (oname == 'print' and not py3compat.PY3 and not \ |
|
1289 | if (oname == 'print' and not py3compat.PY3 and not \ | |
1287 | (self.compile.compiler_flags & __future__.CO_FUTURE_PRINT_FUNCTION)): |
|
1290 | (self.compile.compiler_flags & __future__.CO_FUTURE_PRINT_FUNCTION)): | |
1288 | return {'found':found, 'obj':obj, 'namespace':ospace, |
|
1291 | return {'found':found, 'obj':obj, 'namespace':ospace, | |
1289 | 'ismagic':ismagic, 'isalias':isalias, 'parent':parent} |
|
1292 | 'ismagic':ismagic, 'isalias':isalias, 'parent':parent} | |
1290 |
|
1293 | |||
1291 | # Look for the given name by splitting it in parts. If the head is |
|
1294 | # Look for the given name by splitting it in parts. If the head is | |
1292 | # found, then we look for all the remaining parts as members, and only |
|
1295 | # found, then we look for all the remaining parts as members, and only | |
1293 | # declare success if we can find them all. |
|
1296 | # declare success if we can find them all. | |
1294 | oname_parts = oname.split('.') |
|
1297 | oname_parts = oname.split('.') | |
1295 | oname_head, oname_rest = oname_parts[0],oname_parts[1:] |
|
1298 | oname_head, oname_rest = oname_parts[0],oname_parts[1:] | |
1296 | for nsname,ns in namespaces: |
|
1299 | for nsname,ns in namespaces: | |
1297 | try: |
|
1300 | try: | |
1298 | obj = ns[oname_head] |
|
1301 | obj = ns[oname_head] | |
1299 | except KeyError: |
|
1302 | except KeyError: | |
1300 | continue |
|
1303 | continue | |
1301 | else: |
|
1304 | else: | |
1302 | #print 'oname_rest:', oname_rest # dbg |
|
1305 | #print 'oname_rest:', oname_rest # dbg | |
1303 | for part in oname_rest: |
|
1306 | for part in oname_rest: | |
1304 | try: |
|
1307 | try: | |
1305 | parent = obj |
|
1308 | parent = obj | |
1306 | obj = getattr(obj,part) |
|
1309 | obj = getattr(obj,part) | |
1307 | except: |
|
1310 | except: | |
1308 | # Blanket except b/c some badly implemented objects |
|
1311 | # Blanket except b/c some badly implemented objects | |
1309 | # allow __getattr__ to raise exceptions other than |
|
1312 | # allow __getattr__ to raise exceptions other than | |
1310 | # AttributeError, which then crashes IPython. |
|
1313 | # AttributeError, which then crashes IPython. | |
1311 | break |
|
1314 | break | |
1312 | else: |
|
1315 | else: | |
1313 | # If we finish the for loop (no break), we got all members |
|
1316 | # If we finish the for loop (no break), we got all members | |
1314 | found = True |
|
1317 | found = True | |
1315 | ospace = nsname |
|
1318 | ospace = nsname | |
1316 | if ns == alias_ns: |
|
1319 | if ns == alias_ns: | |
1317 | isalias = True |
|
1320 | isalias = True | |
1318 | break # namespace loop |
|
1321 | break # namespace loop | |
1319 |
|
1322 | |||
1320 | # Try to see if it's magic |
|
1323 | # Try to see if it's magic | |
1321 | if not found: |
|
1324 | if not found: | |
1322 | if oname.startswith(ESC_MAGIC): |
|
1325 | if oname.startswith(ESC_MAGIC): | |
1323 | oname = oname[1:] |
|
1326 | oname = oname[1:] | |
1324 | obj = getattr(self,'magic_'+oname,None) |
|
1327 | obj = getattr(self,'magic_'+oname,None) | |
1325 | if obj is not None: |
|
1328 | if obj is not None: | |
1326 | found = True |
|
1329 | found = True | |
1327 | ospace = 'IPython internal' |
|
1330 | ospace = 'IPython internal' | |
1328 | ismagic = True |
|
1331 | ismagic = True | |
1329 |
|
1332 | |||
1330 | # Last try: special-case some literals like '', [], {}, etc: |
|
1333 | # Last try: special-case some literals like '', [], {}, etc: | |
1331 | if not found and oname_head in ["''",'""','[]','{}','()']: |
|
1334 | if not found and oname_head in ["''",'""','[]','{}','()']: | |
1332 | obj = eval(oname_head) |
|
1335 | obj = eval(oname_head) | |
1333 | found = True |
|
1336 | found = True | |
1334 | ospace = 'Interactive' |
|
1337 | ospace = 'Interactive' | |
1335 |
|
1338 | |||
1336 | return {'found':found, 'obj':obj, 'namespace':ospace, |
|
1339 | return {'found':found, 'obj':obj, 'namespace':ospace, | |
1337 | 'ismagic':ismagic, 'isalias':isalias, 'parent':parent} |
|
1340 | 'ismagic':ismagic, 'isalias':isalias, 'parent':parent} | |
1338 |
|
1341 | |||
1339 | def _ofind_property(self, oname, info): |
|
1342 | def _ofind_property(self, oname, info): | |
1340 | """Second part of object finding, to look for property details.""" |
|
1343 | """Second part of object finding, to look for property details.""" | |
1341 | if info.found: |
|
1344 | if info.found: | |
1342 | # Get the docstring of the class property if it exists. |
|
1345 | # Get the docstring of the class property if it exists. | |
1343 | path = oname.split('.') |
|
1346 | path = oname.split('.') | |
1344 | root = '.'.join(path[:-1]) |
|
1347 | root = '.'.join(path[:-1]) | |
1345 | if info.parent is not None: |
|
1348 | if info.parent is not None: | |
1346 | try: |
|
1349 | try: | |
1347 | target = getattr(info.parent, '__class__') |
|
1350 | target = getattr(info.parent, '__class__') | |
1348 | # The object belongs to a class instance. |
|
1351 | # The object belongs to a class instance. | |
1349 | try: |
|
1352 | try: | |
1350 | target = getattr(target, path[-1]) |
|
1353 | target = getattr(target, path[-1]) | |
1351 | # The class defines the object. |
|
1354 | # The class defines the object. | |
1352 | if isinstance(target, property): |
|
1355 | if isinstance(target, property): | |
1353 | oname = root + '.__class__.' + path[-1] |
|
1356 | oname = root + '.__class__.' + path[-1] | |
1354 | info = Struct(self._ofind(oname)) |
|
1357 | info = Struct(self._ofind(oname)) | |
1355 | except AttributeError: pass |
|
1358 | except AttributeError: pass | |
1356 | except AttributeError: pass |
|
1359 | except AttributeError: pass | |
1357 |
|
1360 | |||
1358 | # We return either the new info or the unmodified input if the object |
|
1361 | # We return either the new info or the unmodified input if the object | |
1359 | # hadn't been found |
|
1362 | # hadn't been found | |
1360 | return info |
|
1363 | return info | |
1361 |
|
1364 | |||
1362 | def _object_find(self, oname, namespaces=None): |
|
1365 | def _object_find(self, oname, namespaces=None): | |
1363 | """Find an object and return a struct with info about it.""" |
|
1366 | """Find an object and return a struct with info about it.""" | |
1364 | inf = Struct(self._ofind(oname, namespaces)) |
|
1367 | inf = Struct(self._ofind(oname, namespaces)) | |
1365 | return Struct(self._ofind_property(oname, inf)) |
|
1368 | return Struct(self._ofind_property(oname, inf)) | |
1366 |
|
1369 | |||
1367 | def _inspect(self, meth, oname, namespaces=None, **kw): |
|
1370 | def _inspect(self, meth, oname, namespaces=None, **kw): | |
1368 | """Generic interface to the inspector system. |
|
1371 | """Generic interface to the inspector system. | |
1369 |
|
1372 | |||
1370 | This function is meant to be called by pdef, pdoc & friends.""" |
|
1373 | This function is meant to be called by pdef, pdoc & friends.""" | |
1371 | info = self._object_find(oname) |
|
1374 | info = self._object_find(oname) | |
1372 | if info.found: |
|
1375 | if info.found: | |
1373 | pmethod = getattr(self.inspector, meth) |
|
1376 | pmethod = getattr(self.inspector, meth) | |
1374 | formatter = format_screen if info.ismagic else None |
|
1377 | formatter = format_screen if info.ismagic else None | |
1375 | if meth == 'pdoc': |
|
1378 | if meth == 'pdoc': | |
1376 | pmethod(info.obj, oname, formatter) |
|
1379 | pmethod(info.obj, oname, formatter) | |
1377 | elif meth == 'pinfo': |
|
1380 | elif meth == 'pinfo': | |
1378 | pmethod(info.obj, oname, formatter, info, **kw) |
|
1381 | pmethod(info.obj, oname, formatter, info, **kw) | |
1379 | else: |
|
1382 | else: | |
1380 | pmethod(info.obj, oname) |
|
1383 | pmethod(info.obj, oname) | |
1381 | else: |
|
1384 | else: | |
1382 | print 'Object `%s` not found.' % oname |
|
1385 | print 'Object `%s` not found.' % oname | |
1383 | return 'not found' # so callers can take other action |
|
1386 | return 'not found' # so callers can take other action | |
1384 |
|
1387 | |||
1385 | def object_inspect(self, oname): |
|
1388 | def object_inspect(self, oname): | |
1386 | with self.builtin_trap: |
|
1389 | with self.builtin_trap: | |
1387 | info = self._object_find(oname) |
|
1390 | info = self._object_find(oname) | |
1388 | if info.found: |
|
1391 | if info.found: | |
1389 | return self.inspector.info(info.obj, oname, info=info) |
|
1392 | return self.inspector.info(info.obj, oname, info=info) | |
1390 | else: |
|
1393 | else: | |
1391 | return oinspect.object_info(name=oname, found=False) |
|
1394 | return oinspect.object_info(name=oname, found=False) | |
1392 |
|
1395 | |||
1393 | #------------------------------------------------------------------------- |
|
1396 | #------------------------------------------------------------------------- | |
1394 | # Things related to history management |
|
1397 | # Things related to history management | |
1395 | #------------------------------------------------------------------------- |
|
1398 | #------------------------------------------------------------------------- | |
1396 |
|
1399 | |||
1397 | def init_history(self): |
|
1400 | def init_history(self): | |
1398 | """Sets up the command history, and starts regular autosaves.""" |
|
1401 | """Sets up the command history, and starts regular autosaves.""" | |
1399 | self.history_manager = HistoryManager(shell=self, config=self.config) |
|
1402 | self.history_manager = HistoryManager(shell=self, config=self.config) | |
1400 |
|
1403 | |||
1401 | #------------------------------------------------------------------------- |
|
1404 | #------------------------------------------------------------------------- | |
1402 | # Things related to exception handling and tracebacks (not debugging) |
|
1405 | # Things related to exception handling and tracebacks (not debugging) | |
1403 | #------------------------------------------------------------------------- |
|
1406 | #------------------------------------------------------------------------- | |
1404 |
|
1407 | |||
1405 | def init_traceback_handlers(self, custom_exceptions): |
|
1408 | def init_traceback_handlers(self, custom_exceptions): | |
1406 | # Syntax error handler. |
|
1409 | # Syntax error handler. | |
1407 | self.SyntaxTB = ultratb.SyntaxTB(color_scheme='NoColor') |
|
1410 | self.SyntaxTB = ultratb.SyntaxTB(color_scheme='NoColor') | |
1408 |
|
1411 | |||
1409 | # The interactive one is initialized with an offset, meaning we always |
|
1412 | # The interactive one is initialized with an offset, meaning we always | |
1410 | # want to remove the topmost item in the traceback, which is our own |
|
1413 | # want to remove the topmost item in the traceback, which is our own | |
1411 | # internal code. Valid modes: ['Plain','Context','Verbose'] |
|
1414 | # internal code. Valid modes: ['Plain','Context','Verbose'] | |
1412 | self.InteractiveTB = ultratb.AutoFormattedTB(mode = 'Plain', |
|
1415 | self.InteractiveTB = ultratb.AutoFormattedTB(mode = 'Plain', | |
1413 | color_scheme='NoColor', |
|
1416 | color_scheme='NoColor', | |
1414 | tb_offset = 1, |
|
1417 | tb_offset = 1, | |
1415 | check_cache=self.compile.check_cache) |
|
1418 | check_cache=self.compile.check_cache) | |
1416 |
|
1419 | |||
1417 | # The instance will store a pointer to the system-wide exception hook, |
|
1420 | # The instance will store a pointer to the system-wide exception hook, | |
1418 | # so that runtime code (such as magics) can access it. This is because |
|
1421 | # so that runtime code (such as magics) can access it. This is because | |
1419 | # during the read-eval loop, it may get temporarily overwritten. |
|
1422 | # during the read-eval loop, it may get temporarily overwritten. | |
1420 | self.sys_excepthook = sys.excepthook |
|
1423 | self.sys_excepthook = sys.excepthook | |
1421 |
|
1424 | |||
1422 | # and add any custom exception handlers the user may have specified |
|
1425 | # and add any custom exception handlers the user may have specified | |
1423 | self.set_custom_exc(*custom_exceptions) |
|
1426 | self.set_custom_exc(*custom_exceptions) | |
1424 |
|
1427 | |||
1425 | # Set the exception mode |
|
1428 | # Set the exception mode | |
1426 | self.InteractiveTB.set_mode(mode=self.xmode) |
|
1429 | self.InteractiveTB.set_mode(mode=self.xmode) | |
1427 |
|
1430 | |||
1428 | def set_custom_exc(self, exc_tuple, handler): |
|
1431 | def set_custom_exc(self, exc_tuple, handler): | |
1429 | """set_custom_exc(exc_tuple,handler) |
|
1432 | """set_custom_exc(exc_tuple,handler) | |
1430 |
|
1433 | |||
1431 | Set a custom exception handler, which will be called if any of the |
|
1434 | Set a custom exception handler, which will be called if any of the | |
1432 | exceptions in exc_tuple occur in the mainloop (specifically, in the |
|
1435 | exceptions in exc_tuple occur in the mainloop (specifically, in the | |
1433 | run_code() method. |
|
1436 | run_code() method. | |
1434 |
|
1437 | |||
1435 | Inputs: |
|
1438 | Inputs: | |
1436 |
|
1439 | |||
1437 | - exc_tuple: a *tuple* of valid exceptions to call the defined |
|
1440 | - exc_tuple: a *tuple* of valid exceptions to call the defined | |
1438 | handler for. It is very important that you use a tuple, and NOT A |
|
1441 | handler for. It is very important that you use a tuple, and NOT A | |
1439 | LIST here, because of the way Python's except statement works. If |
|
1442 | LIST here, because of the way Python's except statement works. If | |
1440 | you only want to trap a single exception, use a singleton tuple: |
|
1443 | you only want to trap a single exception, use a singleton tuple: | |
1441 |
|
1444 | |||
1442 | exc_tuple == (MyCustomException,) |
|
1445 | exc_tuple == (MyCustomException,) | |
1443 |
|
1446 | |||
1444 | - handler: this must be defined as a function with the following |
|
1447 | - handler: this must be defined as a function with the following | |
1445 | basic interface:: |
|
1448 | basic interface:: | |
1446 |
|
1449 | |||
1447 | def my_handler(self, etype, value, tb, tb_offset=None) |
|
1450 | def my_handler(self, etype, value, tb, tb_offset=None) | |
1448 | ... |
|
1451 | ... | |
1449 | # The return value must be |
|
1452 | # The return value must be | |
1450 | return structured_traceback |
|
1453 | return structured_traceback | |
1451 |
|
1454 | |||
1452 | This will be made into an instance method (via types.MethodType) |
|
1455 | This will be made into an instance method (via types.MethodType) | |
1453 | of IPython itself, and it will be called if any of the exceptions |
|
1456 | of IPython itself, and it will be called if any of the exceptions | |
1454 | listed in the exc_tuple are caught. If the handler is None, an |
|
1457 | listed in the exc_tuple are caught. If the handler is None, an | |
1455 | internal basic one is used, which just prints basic info. |
|
1458 | internal basic one is used, which just prints basic info. | |
1456 |
|
1459 | |||
1457 | WARNING: by putting in your own exception handler into IPython's main |
|
1460 | WARNING: by putting in your own exception handler into IPython's main | |
1458 | execution loop, you run a very good chance of nasty crashes. This |
|
1461 | execution loop, you run a very good chance of nasty crashes. This | |
1459 | facility should only be used if you really know what you are doing.""" |
|
1462 | facility should only be used if you really know what you are doing.""" | |
1460 |
|
1463 | |||
1461 | assert type(exc_tuple)==type(()) , \ |
|
1464 | assert type(exc_tuple)==type(()) , \ | |
1462 | "The custom exceptions must be given AS A TUPLE." |
|
1465 | "The custom exceptions must be given AS A TUPLE." | |
1463 |
|
1466 | |||
1464 | def dummy_handler(self,etype,value,tb): |
|
1467 | def dummy_handler(self,etype,value,tb): | |
1465 | print '*** Simple custom exception handler ***' |
|
1468 | print '*** Simple custom exception handler ***' | |
1466 | print 'Exception type :',etype |
|
1469 | print 'Exception type :',etype | |
1467 | print 'Exception value:',value |
|
1470 | print 'Exception value:',value | |
1468 | print 'Traceback :',tb |
|
1471 | print 'Traceback :',tb | |
1469 | #print 'Source code :','\n'.join(self.buffer) |
|
1472 | #print 'Source code :','\n'.join(self.buffer) | |
1470 |
|
1473 | |||
1471 | if handler is None: handler = dummy_handler |
|
1474 | if handler is None: handler = dummy_handler | |
1472 |
|
1475 | |||
1473 | self.CustomTB = types.MethodType(handler,self) |
|
1476 | self.CustomTB = types.MethodType(handler,self) | |
1474 | self.custom_exceptions = exc_tuple |
|
1477 | self.custom_exceptions = exc_tuple | |
1475 |
|
1478 | |||
1476 | def excepthook(self, etype, value, tb): |
|
1479 | def excepthook(self, etype, value, tb): | |
1477 | """One more defense for GUI apps that call sys.excepthook. |
|
1480 | """One more defense for GUI apps that call sys.excepthook. | |
1478 |
|
1481 | |||
1479 | GUI frameworks like wxPython trap exceptions and call |
|
1482 | GUI frameworks like wxPython trap exceptions and call | |
1480 | sys.excepthook themselves. I guess this is a feature that |
|
1483 | sys.excepthook themselves. I guess this is a feature that | |
1481 | enables them to keep running after exceptions that would |
|
1484 | enables them to keep running after exceptions that would | |
1482 | otherwise kill their mainloop. This is a bother for IPython |
|
1485 | otherwise kill their mainloop. This is a bother for IPython | |
1483 | which excepts to catch all of the program exceptions with a try: |
|
1486 | which excepts to catch all of the program exceptions with a try: | |
1484 | except: statement. |
|
1487 | except: statement. | |
1485 |
|
1488 | |||
1486 | Normally, IPython sets sys.excepthook to a CrashHandler instance, so if |
|
1489 | Normally, IPython sets sys.excepthook to a CrashHandler instance, so if | |
1487 | any app directly invokes sys.excepthook, it will look to the user like |
|
1490 | any app directly invokes sys.excepthook, it will look to the user like | |
1488 | IPython crashed. In order to work around this, we can disable the |
|
1491 | IPython crashed. In order to work around this, we can disable the | |
1489 | CrashHandler and replace it with this excepthook instead, which prints a |
|
1492 | CrashHandler and replace it with this excepthook instead, which prints a | |
1490 | regular traceback using our InteractiveTB. In this fashion, apps which |
|
1493 | regular traceback using our InteractiveTB. In this fashion, apps which | |
1491 | call sys.excepthook will generate a regular-looking exception from |
|
1494 | call sys.excepthook will generate a regular-looking exception from | |
1492 | IPython, and the CrashHandler will only be triggered by real IPython |
|
1495 | IPython, and the CrashHandler will only be triggered by real IPython | |
1493 | crashes. |
|
1496 | crashes. | |
1494 |
|
1497 | |||
1495 | This hook should be used sparingly, only in places which are not likely |
|
1498 | This hook should be used sparingly, only in places which are not likely | |
1496 | to be true IPython errors. |
|
1499 | to be true IPython errors. | |
1497 | """ |
|
1500 | """ | |
1498 | self.showtraceback((etype,value,tb),tb_offset=0) |
|
1501 | self.showtraceback((etype,value,tb),tb_offset=0) | |
1499 |
|
1502 | |||
1500 | def showtraceback(self,exc_tuple = None,filename=None,tb_offset=None, |
|
1503 | def showtraceback(self,exc_tuple = None,filename=None,tb_offset=None, | |
1501 | exception_only=False): |
|
1504 | exception_only=False): | |
1502 | """Display the exception that just occurred. |
|
1505 | """Display the exception that just occurred. | |
1503 |
|
1506 | |||
1504 | If nothing is known about the exception, this is the method which |
|
1507 | If nothing is known about the exception, this is the method which | |
1505 | should be used throughout the code for presenting user tracebacks, |
|
1508 | should be used throughout the code for presenting user tracebacks, | |
1506 | rather than directly invoking the InteractiveTB object. |
|
1509 | rather than directly invoking the InteractiveTB object. | |
1507 |
|
1510 | |||
1508 | A specific showsyntaxerror() also exists, but this method can take |
|
1511 | A specific showsyntaxerror() also exists, but this method can take | |
1509 | care of calling it if needed, so unless you are explicitly catching a |
|
1512 | care of calling it if needed, so unless you are explicitly catching a | |
1510 | SyntaxError exception, don't try to analyze the stack manually and |
|
1513 | SyntaxError exception, don't try to analyze the stack manually and | |
1511 | simply call this method.""" |
|
1514 | simply call this method.""" | |
1512 |
|
1515 | |||
1513 | try: |
|
1516 | try: | |
1514 | if exc_tuple is None: |
|
1517 | if exc_tuple is None: | |
1515 | etype, value, tb = sys.exc_info() |
|
1518 | etype, value, tb = sys.exc_info() | |
1516 | else: |
|
1519 | else: | |
1517 | etype, value, tb = exc_tuple |
|
1520 | etype, value, tb = exc_tuple | |
1518 |
|
1521 | |||
1519 | if etype is None: |
|
1522 | if etype is None: | |
1520 | if hasattr(sys, 'last_type'): |
|
1523 | if hasattr(sys, 'last_type'): | |
1521 | etype, value, tb = sys.last_type, sys.last_value, \ |
|
1524 | etype, value, tb = sys.last_type, sys.last_value, \ | |
1522 | sys.last_traceback |
|
1525 | sys.last_traceback | |
1523 | else: |
|
1526 | else: | |
1524 | self.write_err('No traceback available to show.\n') |
|
1527 | self.write_err('No traceback available to show.\n') | |
1525 | return |
|
1528 | return | |
1526 |
|
1529 | |||
1527 | if etype is SyntaxError: |
|
1530 | if etype is SyntaxError: | |
1528 | # Though this won't be called by syntax errors in the input |
|
1531 | # Though this won't be called by syntax errors in the input | |
1529 | # line, there may be SyntaxError cases with imported code. |
|
1532 | # line, there may be SyntaxError cases with imported code. | |
1530 | self.showsyntaxerror(filename) |
|
1533 | self.showsyntaxerror(filename) | |
1531 | elif etype is UsageError: |
|
1534 | elif etype is UsageError: | |
1532 | print "UsageError:", value |
|
1535 | print "UsageError:", value | |
1533 | else: |
|
1536 | else: | |
1534 | # WARNING: these variables are somewhat deprecated and not |
|
1537 | # WARNING: these variables are somewhat deprecated and not | |
1535 | # necessarily safe to use in a threaded environment, but tools |
|
1538 | # necessarily safe to use in a threaded environment, but tools | |
1536 | # like pdb depend on their existence, so let's set them. If we |
|
1539 | # like pdb depend on their existence, so let's set them. If we | |
1537 | # find problems in the field, we'll need to revisit their use. |
|
1540 | # find problems in the field, we'll need to revisit their use. | |
1538 | sys.last_type = etype |
|
1541 | sys.last_type = etype | |
1539 | sys.last_value = value |
|
1542 | sys.last_value = value | |
1540 | sys.last_traceback = tb |
|
1543 | sys.last_traceback = tb | |
1541 | if etype in self.custom_exceptions: |
|
1544 | if etype in self.custom_exceptions: | |
1542 | # FIXME: Old custom traceback objects may just return a |
|
1545 | # FIXME: Old custom traceback objects may just return a | |
1543 | # string, in that case we just put it into a list |
|
1546 | # string, in that case we just put it into a list | |
1544 | stb = self.CustomTB(etype, value, tb, tb_offset) |
|
1547 | stb = self.CustomTB(etype, value, tb, tb_offset) | |
1545 | if isinstance(ctb, basestring): |
|
1548 | if isinstance(ctb, basestring): | |
1546 | stb = [stb] |
|
1549 | stb = [stb] | |
1547 | else: |
|
1550 | else: | |
1548 | if exception_only: |
|
1551 | if exception_only: | |
1549 | stb = ['An exception has occurred, use %tb to see ' |
|
1552 | stb = ['An exception has occurred, use %tb to see ' | |
1550 | 'the full traceback.\n'] |
|
1553 | 'the full traceback.\n'] | |
1551 | stb.extend(self.InteractiveTB.get_exception_only(etype, |
|
1554 | stb.extend(self.InteractiveTB.get_exception_only(etype, | |
1552 | value)) |
|
1555 | value)) | |
1553 | else: |
|
1556 | else: | |
1554 | stb = self.InteractiveTB.structured_traceback(etype, |
|
1557 | stb = self.InteractiveTB.structured_traceback(etype, | |
1555 | value, tb, tb_offset=tb_offset) |
|
1558 | value, tb, tb_offset=tb_offset) | |
1556 |
|
1559 | |||
1557 | if self.call_pdb: |
|
1560 | if self.call_pdb: | |
1558 | # drop into debugger |
|
1561 | # drop into debugger | |
1559 | self.debugger(force=True) |
|
1562 | self.debugger(force=True) | |
1560 |
|
1563 | |||
1561 | # Actually show the traceback |
|
1564 | # Actually show the traceback | |
1562 | self._showtraceback(etype, value, stb) |
|
1565 | self._showtraceback(etype, value, stb) | |
1563 |
|
1566 | |||
1564 | except KeyboardInterrupt: |
|
1567 | except KeyboardInterrupt: | |
1565 | self.write_err("\nKeyboardInterrupt\n") |
|
1568 | self.write_err("\nKeyboardInterrupt\n") | |
1566 |
|
1569 | |||
1567 | def _showtraceback(self, etype, evalue, stb): |
|
1570 | def _showtraceback(self, etype, evalue, stb): | |
1568 | """Actually show a traceback. |
|
1571 | """Actually show a traceback. | |
1569 |
|
1572 | |||
1570 | Subclasses may override this method to put the traceback on a different |
|
1573 | Subclasses may override this method to put the traceback on a different | |
1571 | place, like a side channel. |
|
1574 | place, like a side channel. | |
1572 | """ |
|
1575 | """ | |
1573 | print >> io.stdout, self.InteractiveTB.stb2text(stb) |
|
1576 | print >> io.stdout, self.InteractiveTB.stb2text(stb) | |
1574 |
|
1577 | |||
1575 | def showsyntaxerror(self, filename=None): |
|
1578 | def showsyntaxerror(self, filename=None): | |
1576 | """Display the syntax error that just occurred. |
|
1579 | """Display the syntax error that just occurred. | |
1577 |
|
1580 | |||
1578 | This doesn't display a stack trace because there isn't one. |
|
1581 | This doesn't display a stack trace because there isn't one. | |
1579 |
|
1582 | |||
1580 | If a filename is given, it is stuffed in the exception instead |
|
1583 | If a filename is given, it is stuffed in the exception instead | |
1581 | of what was there before (because Python's parser always uses |
|
1584 | of what was there before (because Python's parser always uses | |
1582 | "<string>" when reading from a string). |
|
1585 | "<string>" when reading from a string). | |
1583 | """ |
|
1586 | """ | |
1584 | etype, value, last_traceback = sys.exc_info() |
|
1587 | etype, value, last_traceback = sys.exc_info() | |
1585 |
|
1588 | |||
1586 | # See note about these variables in showtraceback() above |
|
1589 | # See note about these variables in showtraceback() above | |
1587 | sys.last_type = etype |
|
1590 | sys.last_type = etype | |
1588 | sys.last_value = value |
|
1591 | sys.last_value = value | |
1589 | sys.last_traceback = last_traceback |
|
1592 | sys.last_traceback = last_traceback | |
1590 |
|
1593 | |||
1591 | if filename and etype is SyntaxError: |
|
1594 | if filename and etype is SyntaxError: | |
1592 | # Work hard to stuff the correct filename in the exception |
|
1595 | # Work hard to stuff the correct filename in the exception | |
1593 | try: |
|
1596 | try: | |
1594 | msg, (dummy_filename, lineno, offset, line) = value |
|
1597 | msg, (dummy_filename, lineno, offset, line) = value | |
1595 | except: |
|
1598 | except: | |
1596 | # Not the format we expect; leave it alone |
|
1599 | # Not the format we expect; leave it alone | |
1597 | pass |
|
1600 | pass | |
1598 | else: |
|
1601 | else: | |
1599 | # Stuff in the right filename |
|
1602 | # Stuff in the right filename | |
1600 | try: |
|
1603 | try: | |
1601 | # Assume SyntaxError is a class exception |
|
1604 | # Assume SyntaxError is a class exception | |
1602 | value = SyntaxError(msg, (filename, lineno, offset, line)) |
|
1605 | value = SyntaxError(msg, (filename, lineno, offset, line)) | |
1603 | except: |
|
1606 | except: | |
1604 | # If that failed, assume SyntaxError is a string |
|
1607 | # If that failed, assume SyntaxError is a string | |
1605 | value = msg, (filename, lineno, offset, line) |
|
1608 | value = msg, (filename, lineno, offset, line) | |
1606 | stb = self.SyntaxTB.structured_traceback(etype, value, []) |
|
1609 | stb = self.SyntaxTB.structured_traceback(etype, value, []) | |
1607 | self._showtraceback(etype, value, stb) |
|
1610 | self._showtraceback(etype, value, stb) | |
1608 |
|
1611 | |||
1609 | # This is overridden in TerminalInteractiveShell to show a message about |
|
1612 | # This is overridden in TerminalInteractiveShell to show a message about | |
1610 | # the %paste magic. |
|
1613 | # the %paste magic. | |
1611 | def showindentationerror(self): |
|
1614 | def showindentationerror(self): | |
1612 | """Called by run_cell when there's an IndentationError in code entered |
|
1615 | """Called by run_cell when there's an IndentationError in code entered | |
1613 | at the prompt. |
|
1616 | at the prompt. | |
1614 |
|
1617 | |||
1615 | This is overridden in TerminalInteractiveShell to show a message about |
|
1618 | This is overridden in TerminalInteractiveShell to show a message about | |
1616 | the %paste magic.""" |
|
1619 | the %paste magic.""" | |
1617 | self.showsyntaxerror() |
|
1620 | self.showsyntaxerror() | |
1618 |
|
1621 | |||
1619 | #------------------------------------------------------------------------- |
|
1622 | #------------------------------------------------------------------------- | |
1620 | # Things related to readline |
|
1623 | # Things related to readline | |
1621 | #------------------------------------------------------------------------- |
|
1624 | #------------------------------------------------------------------------- | |
1622 |
|
1625 | |||
1623 | def init_readline(self): |
|
1626 | def init_readline(self): | |
1624 | """Command history completion/saving/reloading.""" |
|
1627 | """Command history completion/saving/reloading.""" | |
1625 |
|
1628 | |||
1626 | if self.readline_use: |
|
1629 | if self.readline_use: | |
1627 | import IPython.utils.rlineimpl as readline |
|
1630 | import IPython.utils.rlineimpl as readline | |
1628 |
|
1631 | |||
1629 | self.rl_next_input = None |
|
1632 | self.rl_next_input = None | |
1630 | self.rl_do_indent = False |
|
1633 | self.rl_do_indent = False | |
1631 |
|
1634 | |||
1632 | if not self.readline_use or not readline.have_readline: |
|
1635 | if not self.readline_use or not readline.have_readline: | |
1633 | self.has_readline = False |
|
1636 | self.has_readline = False | |
1634 | self.readline = None |
|
1637 | self.readline = None | |
1635 | # Set a number of methods that depend on readline to be no-op |
|
1638 | # Set a number of methods that depend on readline to be no-op | |
1636 | self.set_readline_completer = no_op |
|
1639 | self.set_readline_completer = no_op | |
1637 | self.set_custom_completer = no_op |
|
1640 | self.set_custom_completer = no_op | |
1638 | self.set_completer_frame = no_op |
|
1641 | self.set_completer_frame = no_op | |
1639 | warn('Readline services not available or not loaded.') |
|
1642 | warn('Readline services not available or not loaded.') | |
1640 | else: |
|
1643 | else: | |
1641 | self.has_readline = True |
|
1644 | self.has_readline = True | |
1642 | self.readline = readline |
|
1645 | self.readline = readline | |
1643 | sys.modules['readline'] = readline |
|
1646 | sys.modules['readline'] = readline | |
1644 |
|
1647 | |||
1645 | # Platform-specific configuration |
|
1648 | # Platform-specific configuration | |
1646 | if os.name == 'nt': |
|
1649 | if os.name == 'nt': | |
1647 | # FIXME - check with Frederick to see if we can harmonize |
|
1650 | # FIXME - check with Frederick to see if we can harmonize | |
1648 | # naming conventions with pyreadline to avoid this |
|
1651 | # naming conventions with pyreadline to avoid this | |
1649 | # platform-dependent check |
|
1652 | # platform-dependent check | |
1650 | self.readline_startup_hook = readline.set_pre_input_hook |
|
1653 | self.readline_startup_hook = readline.set_pre_input_hook | |
1651 | else: |
|
1654 | else: | |
1652 | self.readline_startup_hook = readline.set_startup_hook |
|
1655 | self.readline_startup_hook = readline.set_startup_hook | |
1653 |
|
1656 | |||
1654 | # Load user's initrc file (readline config) |
|
1657 | # Load user's initrc file (readline config) | |
1655 | # Or if libedit is used, load editrc. |
|
1658 | # Or if libedit is used, load editrc. | |
1656 | inputrc_name = os.environ.get('INPUTRC') |
|
1659 | inputrc_name = os.environ.get('INPUTRC') | |
1657 | if inputrc_name is None: |
|
1660 | if inputrc_name is None: | |
1658 | home_dir = get_home_dir() |
|
1661 | home_dir = get_home_dir() | |
1659 | if home_dir is not None: |
|
1662 | if home_dir is not None: | |
1660 | inputrc_name = '.inputrc' |
|
1663 | inputrc_name = '.inputrc' | |
1661 | if readline.uses_libedit: |
|
1664 | if readline.uses_libedit: | |
1662 | inputrc_name = '.editrc' |
|
1665 | inputrc_name = '.editrc' | |
1663 | inputrc_name = os.path.join(home_dir, inputrc_name) |
|
1666 | inputrc_name = os.path.join(home_dir, inputrc_name) | |
1664 | if os.path.isfile(inputrc_name): |
|
1667 | if os.path.isfile(inputrc_name): | |
1665 | try: |
|
1668 | try: | |
1666 | readline.read_init_file(inputrc_name) |
|
1669 | readline.read_init_file(inputrc_name) | |
1667 | except: |
|
1670 | except: | |
1668 | warn('Problems reading readline initialization file <%s>' |
|
1671 | warn('Problems reading readline initialization file <%s>' | |
1669 | % inputrc_name) |
|
1672 | % inputrc_name) | |
1670 |
|
1673 | |||
1671 | # Configure readline according to user's prefs |
|
1674 | # Configure readline according to user's prefs | |
1672 | # This is only done if GNU readline is being used. If libedit |
|
1675 | # This is only done if GNU readline is being used. If libedit | |
1673 | # is being used (as on Leopard) the readline config is |
|
1676 | # is being used (as on Leopard) the readline config is | |
1674 | # not run as the syntax for libedit is different. |
|
1677 | # not run as the syntax for libedit is different. | |
1675 | if not readline.uses_libedit: |
|
1678 | if not readline.uses_libedit: | |
1676 | for rlcommand in self.readline_parse_and_bind: |
|
1679 | for rlcommand in self.readline_parse_and_bind: | |
1677 | #print "loading rl:",rlcommand # dbg |
|
1680 | #print "loading rl:",rlcommand # dbg | |
1678 | readline.parse_and_bind(rlcommand) |
|
1681 | readline.parse_and_bind(rlcommand) | |
1679 |
|
1682 | |||
1680 | # Remove some chars from the delimiters list. If we encounter |
|
1683 | # Remove some chars from the delimiters list. If we encounter | |
1681 | # unicode chars, discard them. |
|
1684 | # unicode chars, discard them. | |
1682 | delims = readline.get_completer_delims() |
|
1685 | delims = readline.get_completer_delims() | |
1683 | if not py3compat.PY3: |
|
1686 | if not py3compat.PY3: | |
1684 | delims = delims.encode("ascii", "ignore") |
|
1687 | delims = delims.encode("ascii", "ignore") | |
1685 | for d in self.readline_remove_delims: |
|
1688 | for d in self.readline_remove_delims: | |
1686 | delims = delims.replace(d, "") |
|
1689 | delims = delims.replace(d, "") | |
1687 | delims = delims.replace(ESC_MAGIC, '') |
|
1690 | delims = delims.replace(ESC_MAGIC, '') | |
1688 | readline.set_completer_delims(delims) |
|
1691 | readline.set_completer_delims(delims) | |
1689 | # otherwise we end up with a monster history after a while: |
|
1692 | # otherwise we end up with a monster history after a while: | |
1690 | readline.set_history_length(self.history_length) |
|
1693 | readline.set_history_length(self.history_length) | |
1691 |
|
1694 | |||
1692 | self.refill_readline_hist() |
|
1695 | self.refill_readline_hist() | |
1693 | self.readline_no_record = ReadlineNoRecord(self) |
|
1696 | self.readline_no_record = ReadlineNoRecord(self) | |
1694 |
|
1697 | |||
1695 | # Configure auto-indent for all platforms |
|
1698 | # Configure auto-indent for all platforms | |
1696 | self.set_autoindent(self.autoindent) |
|
1699 | self.set_autoindent(self.autoindent) | |
1697 |
|
1700 | |||
1698 | def refill_readline_hist(self): |
|
1701 | def refill_readline_hist(self): | |
1699 | # Load the last 1000 lines from history |
|
1702 | # Load the last 1000 lines from history | |
1700 | self.readline.clear_history() |
|
1703 | self.readline.clear_history() | |
1701 | stdin_encoding = sys.stdin.encoding or "utf-8" |
|
1704 | stdin_encoding = sys.stdin.encoding or "utf-8" | |
1702 | for _, _, cell in self.history_manager.get_tail(1000, |
|
1705 | for _, _, cell in self.history_manager.get_tail(1000, | |
1703 | include_latest=True): |
|
1706 | include_latest=True): | |
1704 | if cell.strip(): # Ignore blank lines |
|
1707 | if cell.strip(): # Ignore blank lines | |
1705 | for line in cell.splitlines(): |
|
1708 | for line in cell.splitlines(): | |
1706 | self.readline.add_history(py3compat.unicode_to_str(line, |
|
1709 | self.readline.add_history(py3compat.unicode_to_str(line, | |
1707 | stdin_encoding)) |
|
1710 | stdin_encoding)) | |
1708 |
|
1711 | |||
1709 | def set_next_input(self, s): |
|
1712 | def set_next_input(self, s): | |
1710 | """ Sets the 'default' input string for the next command line. |
|
1713 | """ Sets the 'default' input string for the next command line. | |
1711 |
|
1714 | |||
1712 | Requires readline. |
|
1715 | Requires readline. | |
1713 |
|
1716 | |||
1714 | Example: |
|
1717 | Example: | |
1715 |
|
1718 | |||
1716 | [D:\ipython]|1> _ip.set_next_input("Hello Word") |
|
1719 | [D:\ipython]|1> _ip.set_next_input("Hello Word") | |
1717 | [D:\ipython]|2> Hello Word_ # cursor is here |
|
1720 | [D:\ipython]|2> Hello Word_ # cursor is here | |
1718 | """ |
|
1721 | """ | |
1719 | if isinstance(s, unicode): |
|
1722 | if isinstance(s, unicode): | |
1720 | s = s.encode(self.stdin_encoding, 'replace') |
|
1723 | s = s.encode(self.stdin_encoding, 'replace') | |
1721 | self.rl_next_input = s |
|
1724 | self.rl_next_input = s | |
1722 |
|
1725 | |||
1723 | # Maybe move this to the terminal subclass? |
|
1726 | # Maybe move this to the terminal subclass? | |
1724 | def pre_readline(self): |
|
1727 | def pre_readline(self): | |
1725 | """readline hook to be used at the start of each line. |
|
1728 | """readline hook to be used at the start of each line. | |
1726 |
|
1729 | |||
1727 | Currently it handles auto-indent only.""" |
|
1730 | Currently it handles auto-indent only.""" | |
1728 |
|
1731 | |||
1729 | if self.rl_do_indent: |
|
1732 | if self.rl_do_indent: | |
1730 | self.readline.insert_text(self._indent_current_str()) |
|
1733 | self.readline.insert_text(self._indent_current_str()) | |
1731 | if self.rl_next_input is not None: |
|
1734 | if self.rl_next_input is not None: | |
1732 | self.readline.insert_text(self.rl_next_input) |
|
1735 | self.readline.insert_text(self.rl_next_input) | |
1733 | self.rl_next_input = None |
|
1736 | self.rl_next_input = None | |
1734 |
|
1737 | |||
1735 | def _indent_current_str(self): |
|
1738 | def _indent_current_str(self): | |
1736 | """return the current level of indentation as a string""" |
|
1739 | """return the current level of indentation as a string""" | |
1737 | return self.input_splitter.indent_spaces * ' ' |
|
1740 | return self.input_splitter.indent_spaces * ' ' | |
1738 |
|
1741 | |||
1739 | #------------------------------------------------------------------------- |
|
1742 | #------------------------------------------------------------------------- | |
1740 | # Things related to text completion |
|
1743 | # Things related to text completion | |
1741 | #------------------------------------------------------------------------- |
|
1744 | #------------------------------------------------------------------------- | |
1742 |
|
1745 | |||
1743 | def init_completer(self): |
|
1746 | def init_completer(self): | |
1744 | """Initialize the completion machinery. |
|
1747 | """Initialize the completion machinery. | |
1745 |
|
1748 | |||
1746 | This creates completion machinery that can be used by client code, |
|
1749 | This creates completion machinery that can be used by client code, | |
1747 | either interactively in-process (typically triggered by the readline |
|
1750 | either interactively in-process (typically triggered by the readline | |
1748 | library), programatically (such as in test suites) or out-of-prcess |
|
1751 | library), programatically (such as in test suites) or out-of-prcess | |
1749 | (typically over the network by remote frontends). |
|
1752 | (typically over the network by remote frontends). | |
1750 | """ |
|
1753 | """ | |
1751 | from IPython.core.completer import IPCompleter |
|
1754 | from IPython.core.completer import IPCompleter | |
1752 | from IPython.core.completerlib import (module_completer, |
|
1755 | from IPython.core.completerlib import (module_completer, | |
1753 | magic_run_completer, cd_completer) |
|
1756 | magic_run_completer, cd_completer) | |
1754 |
|
1757 | |||
1755 | self.Completer = IPCompleter(self, |
|
1758 | self.Completer = IPCompleter(self, | |
1756 | self.user_ns, |
|
1759 | self.user_ns, | |
1757 | self.user_global_ns, |
|
1760 | self.user_global_ns, | |
1758 | self.readline_omit__names, |
|
1761 | self.readline_omit__names, | |
1759 | self.alias_manager.alias_table, |
|
1762 | self.alias_manager.alias_table, | |
1760 | self.has_readline) |
|
1763 | self.has_readline) | |
1761 |
|
1764 | |||
1762 | # Add custom completers to the basic ones built into IPCompleter |
|
1765 | # Add custom completers to the basic ones built into IPCompleter | |
1763 | sdisp = self.strdispatchers.get('complete_command', StrDispatch()) |
|
1766 | sdisp = self.strdispatchers.get('complete_command', StrDispatch()) | |
1764 | self.strdispatchers['complete_command'] = sdisp |
|
1767 | self.strdispatchers['complete_command'] = sdisp | |
1765 | self.Completer.custom_completers = sdisp |
|
1768 | self.Completer.custom_completers = sdisp | |
1766 |
|
1769 | |||
1767 | self.set_hook('complete_command', module_completer, str_key = 'import') |
|
1770 | self.set_hook('complete_command', module_completer, str_key = 'import') | |
1768 | self.set_hook('complete_command', module_completer, str_key = 'from') |
|
1771 | self.set_hook('complete_command', module_completer, str_key = 'from') | |
1769 | self.set_hook('complete_command', magic_run_completer, str_key = '%run') |
|
1772 | self.set_hook('complete_command', magic_run_completer, str_key = '%run') | |
1770 | self.set_hook('complete_command', cd_completer, str_key = '%cd') |
|
1773 | self.set_hook('complete_command', cd_completer, str_key = '%cd') | |
1771 |
|
1774 | |||
1772 | # Only configure readline if we truly are using readline. IPython can |
|
1775 | # Only configure readline if we truly are using readline. IPython can | |
1773 | # do tab-completion over the network, in GUIs, etc, where readline |
|
1776 | # do tab-completion over the network, in GUIs, etc, where readline | |
1774 | # itself may be absent |
|
1777 | # itself may be absent | |
1775 | if self.has_readline: |
|
1778 | if self.has_readline: | |
1776 | self.set_readline_completer() |
|
1779 | self.set_readline_completer() | |
1777 |
|
1780 | |||
1778 | def complete(self, text, line=None, cursor_pos=None): |
|
1781 | def complete(self, text, line=None, cursor_pos=None): | |
1779 | """Return the completed text and a list of completions. |
|
1782 | """Return the completed text and a list of completions. | |
1780 |
|
1783 | |||
1781 | Parameters |
|
1784 | Parameters | |
1782 | ---------- |
|
1785 | ---------- | |
1783 |
|
1786 | |||
1784 | text : string |
|
1787 | text : string | |
1785 | A string of text to be completed on. It can be given as empty and |
|
1788 | A string of text to be completed on. It can be given as empty and | |
1786 | instead a line/position pair are given. In this case, the |
|
1789 | instead a line/position pair are given. In this case, the | |
1787 | completer itself will split the line like readline does. |
|
1790 | completer itself will split the line like readline does. | |
1788 |
|
1791 | |||
1789 | line : string, optional |
|
1792 | line : string, optional | |
1790 | The complete line that text is part of. |
|
1793 | The complete line that text is part of. | |
1791 |
|
1794 | |||
1792 | cursor_pos : int, optional |
|
1795 | cursor_pos : int, optional | |
1793 | The position of the cursor on the input line. |
|
1796 | The position of the cursor on the input line. | |
1794 |
|
1797 | |||
1795 | Returns |
|
1798 | Returns | |
1796 | ------- |
|
1799 | ------- | |
1797 | text : string |
|
1800 | text : string | |
1798 | The actual text that was completed. |
|
1801 | The actual text that was completed. | |
1799 |
|
1802 | |||
1800 | matches : list |
|
1803 | matches : list | |
1801 | A sorted list with all possible completions. |
|
1804 | A sorted list with all possible completions. | |
1802 |
|
1805 | |||
1803 | The optional arguments allow the completion to take more context into |
|
1806 | The optional arguments allow the completion to take more context into | |
1804 | account, and are part of the low-level completion API. |
|
1807 | account, and are part of the low-level completion API. | |
1805 |
|
1808 | |||
1806 | This is a wrapper around the completion mechanism, similar to what |
|
1809 | This is a wrapper around the completion mechanism, similar to what | |
1807 | readline does at the command line when the TAB key is hit. By |
|
1810 | readline does at the command line when the TAB key is hit. By | |
1808 | exposing it as a method, it can be used by other non-readline |
|
1811 | exposing it as a method, it can be used by other non-readline | |
1809 | environments (such as GUIs) for text completion. |
|
1812 | environments (such as GUIs) for text completion. | |
1810 |
|
1813 | |||
1811 | Simple usage example: |
|
1814 | Simple usage example: | |
1812 |
|
1815 | |||
1813 | In [1]: x = 'hello' |
|
1816 | In [1]: x = 'hello' | |
1814 |
|
1817 | |||
1815 | In [2]: _ip.complete('x.l') |
|
1818 | In [2]: _ip.complete('x.l') | |
1816 | Out[2]: ('x.l', ['x.ljust', 'x.lower', 'x.lstrip']) |
|
1819 | Out[2]: ('x.l', ['x.ljust', 'x.lower', 'x.lstrip']) | |
1817 | """ |
|
1820 | """ | |
1818 |
|
1821 | |||
1819 | # Inject names into __builtin__ so we can complete on the added names. |
|
1822 | # Inject names into __builtin__ so we can complete on the added names. | |
1820 | with self.builtin_trap: |
|
1823 | with self.builtin_trap: | |
1821 | return self.Completer.complete(text, line, cursor_pos) |
|
1824 | return self.Completer.complete(text, line, cursor_pos) | |
1822 |
|
1825 | |||
1823 | def set_custom_completer(self, completer, pos=0): |
|
1826 | def set_custom_completer(self, completer, pos=0): | |
1824 | """Adds a new custom completer function. |
|
1827 | """Adds a new custom completer function. | |
1825 |
|
1828 | |||
1826 | The position argument (defaults to 0) is the index in the completers |
|
1829 | The position argument (defaults to 0) is the index in the completers | |
1827 | list where you want the completer to be inserted.""" |
|
1830 | list where you want the completer to be inserted.""" | |
1828 |
|
1831 | |||
1829 | newcomp = types.MethodType(completer,self.Completer) |
|
1832 | newcomp = types.MethodType(completer,self.Completer) | |
1830 | self.Completer.matchers.insert(pos,newcomp) |
|
1833 | self.Completer.matchers.insert(pos,newcomp) | |
1831 |
|
1834 | |||
1832 | def set_readline_completer(self): |
|
1835 | def set_readline_completer(self): | |
1833 | """Reset readline's completer to be our own.""" |
|
1836 | """Reset readline's completer to be our own.""" | |
1834 | self.readline.set_completer(self.Completer.rlcomplete) |
|
1837 | self.readline.set_completer(self.Completer.rlcomplete) | |
1835 |
|
1838 | |||
1836 | def set_completer_frame(self, frame=None): |
|
1839 | def set_completer_frame(self, frame=None): | |
1837 | """Set the frame of the completer.""" |
|
1840 | """Set the frame of the completer.""" | |
1838 | if frame: |
|
1841 | if frame: | |
1839 | self.Completer.namespace = frame.f_locals |
|
1842 | self.Completer.namespace = frame.f_locals | |
1840 | self.Completer.global_namespace = frame.f_globals |
|
1843 | self.Completer.global_namespace = frame.f_globals | |
1841 | else: |
|
1844 | else: | |
1842 | self.Completer.namespace = self.user_ns |
|
1845 | self.Completer.namespace = self.user_ns | |
1843 | self.Completer.global_namespace = self.user_global_ns |
|
1846 | self.Completer.global_namespace = self.user_global_ns | |
1844 |
|
1847 | |||
1845 | #------------------------------------------------------------------------- |
|
1848 | #------------------------------------------------------------------------- | |
1846 | # Things related to magics |
|
1849 | # Things related to magics | |
1847 | #------------------------------------------------------------------------- |
|
1850 | #------------------------------------------------------------------------- | |
1848 |
|
1851 | |||
1849 | def init_magics(self): |
|
1852 | def init_magics(self): | |
1850 | # FIXME: Move the color initialization to the DisplayHook, which |
|
1853 | # FIXME: Move the color initialization to the DisplayHook, which | |
1851 | # should be split into a prompt manager and displayhook. We probably |
|
1854 | # should be split into a prompt manager and displayhook. We probably | |
1852 | # even need a centralize colors management object. |
|
1855 | # even need a centralize colors management object. | |
1853 | self.magic_colors(self.colors) |
|
1856 | self.magic_colors(self.colors) | |
1854 | # History was moved to a separate module |
|
1857 | # History was moved to a separate module | |
1855 | from . import history |
|
1858 | from . import history | |
1856 | history.init_ipython(self) |
|
1859 | history.init_ipython(self) | |
1857 |
|
1860 | |||
1858 | def magic(self, arg_s, next_input=None): |
|
1861 | def magic(self, arg_s, next_input=None): | |
1859 | """Call a magic function by name. |
|
1862 | """Call a magic function by name. | |
1860 |
|
1863 | |||
1861 | Input: a string containing the name of the magic function to call and |
|
1864 | Input: a string containing the name of the magic function to call and | |
1862 | any additional arguments to be passed to the magic. |
|
1865 | any additional arguments to be passed to the magic. | |
1863 |
|
1866 | |||
1864 | magic('name -opt foo bar') is equivalent to typing at the ipython |
|
1867 | magic('name -opt foo bar') is equivalent to typing at the ipython | |
1865 | prompt: |
|
1868 | prompt: | |
1866 |
|
1869 | |||
1867 | In[1]: %name -opt foo bar |
|
1870 | In[1]: %name -opt foo bar | |
1868 |
|
1871 | |||
1869 | To call a magic without arguments, simply use magic('name'). |
|
1872 | To call a magic without arguments, simply use magic('name'). | |
1870 |
|
1873 | |||
1871 | This provides a proper Python function to call IPython's magics in any |
|
1874 | This provides a proper Python function to call IPython's magics in any | |
1872 | valid Python code you can type at the interpreter, including loops and |
|
1875 | valid Python code you can type at the interpreter, including loops and | |
1873 | compound statements. |
|
1876 | compound statements. | |
1874 | """ |
|
1877 | """ | |
1875 | # Allow setting the next input - this is used if the user does `a=abs?`. |
|
1878 | # Allow setting the next input - this is used if the user does `a=abs?`. | |
1876 | # We do this first so that magic functions can override it. |
|
1879 | # We do this first so that magic functions can override it. | |
1877 | if next_input: |
|
1880 | if next_input: | |
1878 | self.set_next_input(next_input) |
|
1881 | self.set_next_input(next_input) | |
1879 |
|
1882 | |||
1880 | args = arg_s.split(' ',1) |
|
1883 | args = arg_s.split(' ',1) | |
1881 | magic_name = args[0] |
|
1884 | magic_name = args[0] | |
1882 | magic_name = magic_name.lstrip(prefilter.ESC_MAGIC) |
|
1885 | magic_name = magic_name.lstrip(prefilter.ESC_MAGIC) | |
1883 |
|
1886 | |||
1884 | try: |
|
1887 | try: | |
1885 | magic_args = args[1] |
|
1888 | magic_args = args[1] | |
1886 | except IndexError: |
|
1889 | except IndexError: | |
1887 | magic_args = '' |
|
1890 | magic_args = '' | |
1888 | fn = getattr(self,'magic_'+magic_name,None) |
|
1891 | fn = getattr(self,'magic_'+magic_name,None) | |
1889 | if fn is None: |
|
1892 | if fn is None: | |
1890 | error("Magic function `%s` not found." % magic_name) |
|
1893 | error("Magic function `%s` not found." % magic_name) | |
1891 | else: |
|
1894 | else: | |
1892 | magic_args = self.var_expand(magic_args,1) |
|
1895 | magic_args = self.var_expand(magic_args,1) | |
1893 | # Grab local namespace if we need it: |
|
1896 | # Grab local namespace if we need it: | |
1894 | if getattr(fn, "needs_local_scope", False): |
|
1897 | if getattr(fn, "needs_local_scope", False): | |
1895 | self._magic_locals = sys._getframe(1).f_locals |
|
1898 | self._magic_locals = sys._getframe(1).f_locals | |
1896 | with self.builtin_trap: |
|
1899 | with self.builtin_trap: | |
1897 | result = fn(magic_args) |
|
1900 | result = fn(magic_args) | |
1898 | # Ensure we're not keeping object references around: |
|
1901 | # Ensure we're not keeping object references around: | |
1899 | self._magic_locals = {} |
|
1902 | self._magic_locals = {} | |
1900 | return result |
|
1903 | return result | |
1901 |
|
1904 | |||
1902 | def define_magic(self, magicname, func): |
|
1905 | def define_magic(self, magicname, func): | |
1903 | """Expose own function as magic function for ipython |
|
1906 | """Expose own function as magic function for ipython | |
1904 |
|
1907 | |||
1905 | def foo_impl(self,parameter_s=''): |
|
1908 | def foo_impl(self,parameter_s=''): | |
1906 | 'My very own magic!. (Use docstrings, IPython reads them).' |
|
1909 | 'My very own magic!. (Use docstrings, IPython reads them).' | |
1907 | print 'Magic function. Passed parameter is between < >:' |
|
1910 | print 'Magic function. Passed parameter is between < >:' | |
1908 | print '<%s>' % parameter_s |
|
1911 | print '<%s>' % parameter_s | |
1909 | print 'The self object is:',self |
|
1912 | print 'The self object is:',self | |
1910 |
|
1913 | |||
1911 | self.define_magic('foo',foo_impl) |
|
1914 | self.define_magic('foo',foo_impl) | |
1912 | """ |
|
1915 | """ | |
1913 | im = types.MethodType(func,self) |
|
1916 | im = types.MethodType(func,self) | |
1914 | old = getattr(self, "magic_" + magicname, None) |
|
1917 | old = getattr(self, "magic_" + magicname, None) | |
1915 | setattr(self, "magic_" + magicname, im) |
|
1918 | setattr(self, "magic_" + magicname, im) | |
1916 | return old |
|
1919 | return old | |
1917 |
|
1920 | |||
1918 | #------------------------------------------------------------------------- |
|
1921 | #------------------------------------------------------------------------- | |
1919 | # Things related to macros |
|
1922 | # Things related to macros | |
1920 | #------------------------------------------------------------------------- |
|
1923 | #------------------------------------------------------------------------- | |
1921 |
|
1924 | |||
1922 | def define_macro(self, name, themacro): |
|
1925 | def define_macro(self, name, themacro): | |
1923 | """Define a new macro |
|
1926 | """Define a new macro | |
1924 |
|
1927 | |||
1925 | Parameters |
|
1928 | Parameters | |
1926 | ---------- |
|
1929 | ---------- | |
1927 | name : str |
|
1930 | name : str | |
1928 | The name of the macro. |
|
1931 | The name of the macro. | |
1929 | themacro : str or Macro |
|
1932 | themacro : str or Macro | |
1930 | The action to do upon invoking the macro. If a string, a new |
|
1933 | The action to do upon invoking the macro. If a string, a new | |
1931 | Macro object is created by passing the string to it. |
|
1934 | Macro object is created by passing the string to it. | |
1932 | """ |
|
1935 | """ | |
1933 |
|
1936 | |||
1934 | from IPython.core import macro |
|
1937 | from IPython.core import macro | |
1935 |
|
1938 | |||
1936 | if isinstance(themacro, basestring): |
|
1939 | if isinstance(themacro, basestring): | |
1937 | themacro = macro.Macro(themacro) |
|
1940 | themacro = macro.Macro(themacro) | |
1938 | if not isinstance(themacro, macro.Macro): |
|
1941 | if not isinstance(themacro, macro.Macro): | |
1939 | raise ValueError('A macro must be a string or a Macro instance.') |
|
1942 | raise ValueError('A macro must be a string or a Macro instance.') | |
1940 | self.user_ns[name] = themacro |
|
1943 | self.user_ns[name] = themacro | |
1941 |
|
1944 | |||
1942 | #------------------------------------------------------------------------- |
|
1945 | #------------------------------------------------------------------------- | |
1943 | # Things related to the running of system commands |
|
1946 | # Things related to the running of system commands | |
1944 | #------------------------------------------------------------------------- |
|
1947 | #------------------------------------------------------------------------- | |
1945 |
|
1948 | |||
1946 | def system_piped(self, cmd): |
|
1949 | def system_piped(self, cmd): | |
1947 | """Call the given cmd in a subprocess, piping stdout/err |
|
1950 | """Call the given cmd in a subprocess, piping stdout/err | |
1948 |
|
1951 | |||
1949 | Parameters |
|
1952 | Parameters | |
1950 | ---------- |
|
1953 | ---------- | |
1951 | cmd : str |
|
1954 | cmd : str | |
1952 | Command to execute (can not end in '&', as background processes are |
|
1955 | Command to execute (can not end in '&', as background processes are | |
1953 | not supported. Should not be a command that expects input |
|
1956 | not supported. Should not be a command that expects input | |
1954 | other than simple text. |
|
1957 | other than simple text. | |
1955 | """ |
|
1958 | """ | |
1956 | if cmd.rstrip().endswith('&'): |
|
1959 | if cmd.rstrip().endswith('&'): | |
1957 | # this is *far* from a rigorous test |
|
1960 | # this is *far* from a rigorous test | |
1958 | # We do not support backgrounding processes because we either use |
|
1961 | # We do not support backgrounding processes because we either use | |
1959 | # pexpect or pipes to read from. Users can always just call |
|
1962 | # pexpect or pipes to read from. Users can always just call | |
1960 | # os.system() or use ip.system=ip.system_raw |
|
1963 | # os.system() or use ip.system=ip.system_raw | |
1961 | # if they really want a background process. |
|
1964 | # if they really want a background process. | |
1962 | raise OSError("Background processes not supported.") |
|
1965 | raise OSError("Background processes not supported.") | |
1963 |
|
1966 | |||
1964 | # we explicitly do NOT return the subprocess status code, because |
|
1967 | # we explicitly do NOT return the subprocess status code, because | |
1965 | # a non-None value would trigger :func:`sys.displayhook` calls. |
|
1968 | # a non-None value would trigger :func:`sys.displayhook` calls. | |
1966 | # Instead, we store the exit_code in user_ns. |
|
1969 | # Instead, we store the exit_code in user_ns. | |
1967 | self.user_ns['_exit_code'] = system(self.var_expand(cmd, depth=2)) |
|
1970 | self.user_ns['_exit_code'] = system(self.var_expand(cmd, depth=2)) | |
1968 |
|
1971 | |||
1969 | def system_raw(self, cmd): |
|
1972 | def system_raw(self, cmd): | |
1970 | """Call the given cmd in a subprocess using os.system |
|
1973 | """Call the given cmd in a subprocess using os.system | |
1971 |
|
1974 | |||
1972 | Parameters |
|
1975 | Parameters | |
1973 | ---------- |
|
1976 | ---------- | |
1974 | cmd : str |
|
1977 | cmd : str | |
1975 | Command to execute. |
|
1978 | Command to execute. | |
1976 | """ |
|
1979 | """ | |
1977 | # We explicitly do NOT return the subprocess status code, because |
|
1980 | # We explicitly do NOT return the subprocess status code, because | |
1978 | # a non-None value would trigger :func:`sys.displayhook` calls. |
|
1981 | # a non-None value would trigger :func:`sys.displayhook` calls. | |
1979 | # Instead, we store the exit_code in user_ns. |
|
1982 | # Instead, we store the exit_code in user_ns. | |
1980 | self.user_ns['_exit_code'] = os.system(self.var_expand(cmd, depth=2)) |
|
1983 | self.user_ns['_exit_code'] = os.system(self.var_expand(cmd, depth=2)) | |
1981 |
|
1984 | |||
1982 | # use piped system by default, because it is better behaved |
|
1985 | # use piped system by default, because it is better behaved | |
1983 | system = system_piped |
|
1986 | system = system_piped | |
1984 |
|
1987 | |||
1985 | def getoutput(self, cmd, split=True): |
|
1988 | def getoutput(self, cmd, split=True): | |
1986 | """Get output (possibly including stderr) from a subprocess. |
|
1989 | """Get output (possibly including stderr) from a subprocess. | |
1987 |
|
1990 | |||
1988 | Parameters |
|
1991 | Parameters | |
1989 | ---------- |
|
1992 | ---------- | |
1990 | cmd : str |
|
1993 | cmd : str | |
1991 | Command to execute (can not end in '&', as background processes are |
|
1994 | Command to execute (can not end in '&', as background processes are | |
1992 | not supported. |
|
1995 | not supported. | |
1993 | split : bool, optional |
|
1996 | split : bool, optional | |
1994 |
|
1997 | |||
1995 | If True, split the output into an IPython SList. Otherwise, an |
|
1998 | If True, split the output into an IPython SList. Otherwise, an | |
1996 | IPython LSString is returned. These are objects similar to normal |
|
1999 | IPython LSString is returned. These are objects similar to normal | |
1997 | lists and strings, with a few convenience attributes for easier |
|
2000 | lists and strings, with a few convenience attributes for easier | |
1998 | manipulation of line-based output. You can use '?' on them for |
|
2001 | manipulation of line-based output. You can use '?' on them for | |
1999 | details. |
|
2002 | details. | |
2000 | """ |
|
2003 | """ | |
2001 | if cmd.rstrip().endswith('&'): |
|
2004 | if cmd.rstrip().endswith('&'): | |
2002 | # this is *far* from a rigorous test |
|
2005 | # this is *far* from a rigorous test | |
2003 | raise OSError("Background processes not supported.") |
|
2006 | raise OSError("Background processes not supported.") | |
2004 | out = getoutput(self.var_expand(cmd, depth=2)) |
|
2007 | out = getoutput(self.var_expand(cmd, depth=2)) | |
2005 | if split: |
|
2008 | if split: | |
2006 | out = SList(out.splitlines()) |
|
2009 | out = SList(out.splitlines()) | |
2007 | else: |
|
2010 | else: | |
2008 | out = LSString(out) |
|
2011 | out = LSString(out) | |
2009 | return out |
|
2012 | return out | |
2010 |
|
2013 | |||
2011 | #------------------------------------------------------------------------- |
|
2014 | #------------------------------------------------------------------------- | |
2012 | # Things related to aliases |
|
2015 | # Things related to aliases | |
2013 | #------------------------------------------------------------------------- |
|
2016 | #------------------------------------------------------------------------- | |
2014 |
|
2017 | |||
2015 | def init_alias(self): |
|
2018 | def init_alias(self): | |
2016 | self.alias_manager = AliasManager(shell=self, config=self.config) |
|
2019 | self.alias_manager = AliasManager(shell=self, config=self.config) | |
2017 | self.ns_table['alias'] = self.alias_manager.alias_table, |
|
2020 | self.ns_table['alias'] = self.alias_manager.alias_table, | |
2018 |
|
2021 | |||
2019 | #------------------------------------------------------------------------- |
|
2022 | #------------------------------------------------------------------------- | |
2020 | # Things related to extensions and plugins |
|
2023 | # Things related to extensions and plugins | |
2021 | #------------------------------------------------------------------------- |
|
2024 | #------------------------------------------------------------------------- | |
2022 |
|
2025 | |||
2023 | def init_extension_manager(self): |
|
2026 | def init_extension_manager(self): | |
2024 | self.extension_manager = ExtensionManager(shell=self, config=self.config) |
|
2027 | self.extension_manager = ExtensionManager(shell=self, config=self.config) | |
2025 |
|
2028 | |||
2026 | def init_plugin_manager(self): |
|
2029 | def init_plugin_manager(self): | |
2027 | self.plugin_manager = PluginManager(config=self.config) |
|
2030 | self.plugin_manager = PluginManager(config=self.config) | |
2028 |
|
2031 | |||
2029 | #------------------------------------------------------------------------- |
|
2032 | #------------------------------------------------------------------------- | |
2030 | # Things related to payloads |
|
2033 | # Things related to payloads | |
2031 | #------------------------------------------------------------------------- |
|
2034 | #------------------------------------------------------------------------- | |
2032 |
|
2035 | |||
2033 | def init_payload(self): |
|
2036 | def init_payload(self): | |
2034 | self.payload_manager = PayloadManager(config=self.config) |
|
2037 | self.payload_manager = PayloadManager(config=self.config) | |
2035 |
|
2038 | |||
2036 | #------------------------------------------------------------------------- |
|
2039 | #------------------------------------------------------------------------- | |
2037 | # Things related to the prefilter |
|
2040 | # Things related to the prefilter | |
2038 | #------------------------------------------------------------------------- |
|
2041 | #------------------------------------------------------------------------- | |
2039 |
|
2042 | |||
2040 | def init_prefilter(self): |
|
2043 | def init_prefilter(self): | |
2041 | self.prefilter_manager = PrefilterManager(shell=self, config=self.config) |
|
2044 | self.prefilter_manager = PrefilterManager(shell=self, config=self.config) | |
2042 | # Ultimately this will be refactored in the new interpreter code, but |
|
2045 | # Ultimately this will be refactored in the new interpreter code, but | |
2043 | # for now, we should expose the main prefilter method (there's legacy |
|
2046 | # for now, we should expose the main prefilter method (there's legacy | |
2044 | # code out there that may rely on this). |
|
2047 | # code out there that may rely on this). | |
2045 | self.prefilter = self.prefilter_manager.prefilter_lines |
|
2048 | self.prefilter = self.prefilter_manager.prefilter_lines | |
2046 |
|
2049 | |||
2047 | def auto_rewrite_input(self, cmd): |
|
2050 | def auto_rewrite_input(self, cmd): | |
2048 | """Print to the screen the rewritten form of the user's command. |
|
2051 | """Print to the screen the rewritten form of the user's command. | |
2049 |
|
2052 | |||
2050 | This shows visual feedback by rewriting input lines that cause |
|
2053 | This shows visual feedback by rewriting input lines that cause | |
2051 | automatic calling to kick in, like:: |
|
2054 | automatic calling to kick in, like:: | |
2052 |
|
2055 | |||
2053 | /f x |
|
2056 | /f x | |
2054 |
|
2057 | |||
2055 | into:: |
|
2058 | into:: | |
2056 |
|
2059 | |||
2057 | ------> f(x) |
|
2060 | ------> f(x) | |
2058 |
|
2061 | |||
2059 | after the user's input prompt. This helps the user understand that the |
|
2062 | after the user's input prompt. This helps the user understand that the | |
2060 | input line was transformed automatically by IPython. |
|
2063 | input line was transformed automatically by IPython. | |
2061 | """ |
|
2064 | """ | |
2062 | rw = self.displayhook.prompt1.auto_rewrite() + cmd |
|
2065 | rw = self.displayhook.prompt1.auto_rewrite() + cmd | |
2063 |
|
2066 | |||
2064 | try: |
|
2067 | try: | |
2065 | # plain ascii works better w/ pyreadline, on some machines, so |
|
2068 | # plain ascii works better w/ pyreadline, on some machines, so | |
2066 | # we use it and only print uncolored rewrite if we have unicode |
|
2069 | # we use it and only print uncolored rewrite if we have unicode | |
2067 | rw = str(rw) |
|
2070 | rw = str(rw) | |
2068 | print >> io.stdout, rw |
|
2071 | print >> io.stdout, rw | |
2069 | except UnicodeEncodeError: |
|
2072 | except UnicodeEncodeError: | |
2070 | print "------> " + cmd |
|
2073 | print "------> " + cmd | |
2071 |
|
2074 | |||
2072 | #------------------------------------------------------------------------- |
|
2075 | #------------------------------------------------------------------------- | |
2073 | # Things related to extracting values/expressions from kernel and user_ns |
|
2076 | # Things related to extracting values/expressions from kernel and user_ns | |
2074 | #------------------------------------------------------------------------- |
|
2077 | #------------------------------------------------------------------------- | |
2075 |
|
2078 | |||
2076 | def _simple_error(self): |
|
2079 | def _simple_error(self): | |
2077 | etype, value = sys.exc_info()[:2] |
|
2080 | etype, value = sys.exc_info()[:2] | |
2078 | return u'[ERROR] {e.__name__}: {v}'.format(e=etype, v=value) |
|
2081 | return u'[ERROR] {e.__name__}: {v}'.format(e=etype, v=value) | |
2079 |
|
2082 | |||
2080 | def user_variables(self, names): |
|
2083 | def user_variables(self, names): | |
2081 | """Get a list of variable names from the user's namespace. |
|
2084 | """Get a list of variable names from the user's namespace. | |
2082 |
|
2085 | |||
2083 | Parameters |
|
2086 | Parameters | |
2084 | ---------- |
|
2087 | ---------- | |
2085 | names : list of strings |
|
2088 | names : list of strings | |
2086 | A list of names of variables to be read from the user namespace. |
|
2089 | A list of names of variables to be read from the user namespace. | |
2087 |
|
2090 | |||
2088 | Returns |
|
2091 | Returns | |
2089 | ------- |
|
2092 | ------- | |
2090 | A dict, keyed by the input names and with the repr() of each value. |
|
2093 | A dict, keyed by the input names and with the repr() of each value. | |
2091 | """ |
|
2094 | """ | |
2092 | out = {} |
|
2095 | out = {} | |
2093 | user_ns = self.user_ns |
|
2096 | user_ns = self.user_ns | |
2094 | for varname in names: |
|
2097 | for varname in names: | |
2095 | try: |
|
2098 | try: | |
2096 | value = repr(user_ns[varname]) |
|
2099 | value = repr(user_ns[varname]) | |
2097 | except: |
|
2100 | except: | |
2098 | value = self._simple_error() |
|
2101 | value = self._simple_error() | |
2099 | out[varname] = value |
|
2102 | out[varname] = value | |
2100 | return out |
|
2103 | return out | |
2101 |
|
2104 | |||
2102 | def user_expressions(self, expressions): |
|
2105 | def user_expressions(self, expressions): | |
2103 | """Evaluate a dict of expressions in the user's namespace. |
|
2106 | """Evaluate a dict of expressions in the user's namespace. | |
2104 |
|
2107 | |||
2105 | Parameters |
|
2108 | Parameters | |
2106 | ---------- |
|
2109 | ---------- | |
2107 | expressions : dict |
|
2110 | expressions : dict | |
2108 | A dict with string keys and string values. The expression values |
|
2111 | A dict with string keys and string values. The expression values | |
2109 | should be valid Python expressions, each of which will be evaluated |
|
2112 | should be valid Python expressions, each of which will be evaluated | |
2110 | in the user namespace. |
|
2113 | in the user namespace. | |
2111 |
|
2114 | |||
2112 | Returns |
|
2115 | Returns | |
2113 | ------- |
|
2116 | ------- | |
2114 | A dict, keyed like the input expressions dict, with the repr() of each |
|
2117 | A dict, keyed like the input expressions dict, with the repr() of each | |
2115 | value. |
|
2118 | value. | |
2116 | """ |
|
2119 | """ | |
2117 | out = {} |
|
2120 | out = {} | |
2118 | user_ns = self.user_ns |
|
2121 | user_ns = self.user_ns | |
2119 | global_ns = self.user_global_ns |
|
2122 | global_ns = self.user_global_ns | |
2120 | for key, expr in expressions.iteritems(): |
|
2123 | for key, expr in expressions.iteritems(): | |
2121 | try: |
|
2124 | try: | |
2122 | value = repr(eval(expr, global_ns, user_ns)) |
|
2125 | value = repr(eval(expr, global_ns, user_ns)) | |
2123 | except: |
|
2126 | except: | |
2124 | value = self._simple_error() |
|
2127 | value = self._simple_error() | |
2125 | out[key] = value |
|
2128 | out[key] = value | |
2126 | return out |
|
2129 | return out | |
2127 |
|
2130 | |||
2128 | #------------------------------------------------------------------------- |
|
2131 | #------------------------------------------------------------------------- | |
2129 | # Things related to the running of code |
|
2132 | # Things related to the running of code | |
2130 | #------------------------------------------------------------------------- |
|
2133 | #------------------------------------------------------------------------- | |
2131 |
|
2134 | |||
2132 | def ex(self, cmd): |
|
2135 | def ex(self, cmd): | |
2133 | """Execute a normal python statement in user namespace.""" |
|
2136 | """Execute a normal python statement in user namespace.""" | |
2134 | with self.builtin_trap: |
|
2137 | with self.builtin_trap: | |
2135 | exec cmd in self.user_global_ns, self.user_ns |
|
2138 | exec cmd in self.user_global_ns, self.user_ns | |
2136 |
|
2139 | |||
2137 | def ev(self, expr): |
|
2140 | def ev(self, expr): | |
2138 | """Evaluate python expression expr in user namespace. |
|
2141 | """Evaluate python expression expr in user namespace. | |
2139 |
|
2142 | |||
2140 | Returns the result of evaluation |
|
2143 | Returns the result of evaluation | |
2141 | """ |
|
2144 | """ | |
2142 | with self.builtin_trap: |
|
2145 | with self.builtin_trap: | |
2143 | return eval(expr, self.user_global_ns, self.user_ns) |
|
2146 | return eval(expr, self.user_global_ns, self.user_ns) | |
2144 |
|
2147 | |||
2145 | def safe_execfile(self, fname, *where, **kw): |
|
2148 | def safe_execfile(self, fname, *where, **kw): | |
2146 | """A safe version of the builtin execfile(). |
|
2149 | """A safe version of the builtin execfile(). | |
2147 |
|
2150 | |||
2148 | This version will never throw an exception, but instead print |
|
2151 | This version will never throw an exception, but instead print | |
2149 | helpful error messages to the screen. This only works on pure |
|
2152 | helpful error messages to the screen. This only works on pure | |
2150 | Python files with the .py extension. |
|
2153 | Python files with the .py extension. | |
2151 |
|
2154 | |||
2152 | Parameters |
|
2155 | Parameters | |
2153 | ---------- |
|
2156 | ---------- | |
2154 | fname : string |
|
2157 | fname : string | |
2155 | The name of the file to be executed. |
|
2158 | The name of the file to be executed. | |
2156 | where : tuple |
|
2159 | where : tuple | |
2157 | One or two namespaces, passed to execfile() as (globals,locals). |
|
2160 | One or two namespaces, passed to execfile() as (globals,locals). | |
2158 | If only one is given, it is passed as both. |
|
2161 | If only one is given, it is passed as both. | |
2159 | exit_ignore : bool (False) |
|
2162 | exit_ignore : bool (False) | |
2160 | If True, then silence SystemExit for non-zero status (it is always |
|
2163 | If True, then silence SystemExit for non-zero status (it is always | |
2161 | silenced for zero status, as it is so common). |
|
2164 | silenced for zero status, as it is so common). | |
2162 | """ |
|
2165 | """ | |
2163 | kw.setdefault('exit_ignore', False) |
|
2166 | kw.setdefault('exit_ignore', False) | |
2164 |
|
2167 | |||
2165 | fname = os.path.abspath(os.path.expanduser(fname)) |
|
2168 | fname = os.path.abspath(os.path.expanduser(fname)) | |
2166 |
|
2169 | |||
2167 | # Make sure we can open the file |
|
2170 | # Make sure we can open the file | |
2168 | try: |
|
2171 | try: | |
2169 | with open(fname) as thefile: |
|
2172 | with open(fname) as thefile: | |
2170 | pass |
|
2173 | pass | |
2171 | except: |
|
2174 | except: | |
2172 | warn('Could not open file <%s> for safe execution.' % fname) |
|
2175 | warn('Could not open file <%s> for safe execution.' % fname) | |
2173 | return |
|
2176 | return | |
2174 |
|
2177 | |||
2175 | # Find things also in current directory. This is needed to mimic the |
|
2178 | # Find things also in current directory. This is needed to mimic the | |
2176 | # behavior of running a script from the system command line, where |
|
2179 | # behavior of running a script from the system command line, where | |
2177 | # Python inserts the script's directory into sys.path |
|
2180 | # Python inserts the script's directory into sys.path | |
2178 | dname = os.path.dirname(fname) |
|
2181 | dname = os.path.dirname(fname) | |
2179 |
|
2182 | |||
2180 | with prepended_to_syspath(dname): |
|
2183 | with prepended_to_syspath(dname): | |
2181 | try: |
|
2184 | try: | |
2182 | py3compat.execfile(fname,*where) |
|
2185 | py3compat.execfile(fname,*where) | |
2183 | except SystemExit, status: |
|
2186 | except SystemExit, status: | |
2184 | # If the call was made with 0 or None exit status (sys.exit(0) |
|
2187 | # If the call was made with 0 or None exit status (sys.exit(0) | |
2185 | # or sys.exit() ), don't bother showing a traceback, as both of |
|
2188 | # or sys.exit() ), don't bother showing a traceback, as both of | |
2186 | # these are considered normal by the OS: |
|
2189 | # these are considered normal by the OS: | |
2187 | # > python -c'import sys;sys.exit(0)'; echo $? |
|
2190 | # > python -c'import sys;sys.exit(0)'; echo $? | |
2188 | # 0 |
|
2191 | # 0 | |
2189 | # > python -c'import sys;sys.exit()'; echo $? |
|
2192 | # > python -c'import sys;sys.exit()'; echo $? | |
2190 | # 0 |
|
2193 | # 0 | |
2191 | # For other exit status, we show the exception unless |
|
2194 | # For other exit status, we show the exception unless | |
2192 | # explicitly silenced, but only in short form. |
|
2195 | # explicitly silenced, but only in short form. | |
2193 | if status.code not in (0, None) and not kw['exit_ignore']: |
|
2196 | if status.code not in (0, None) and not kw['exit_ignore']: | |
2194 | self.showtraceback(exception_only=True) |
|
2197 | self.showtraceback(exception_only=True) | |
2195 | except: |
|
2198 | except: | |
2196 | self.showtraceback() |
|
2199 | self.showtraceback() | |
2197 |
|
2200 | |||
2198 | def safe_execfile_ipy(self, fname): |
|
2201 | def safe_execfile_ipy(self, fname): | |
2199 | """Like safe_execfile, but for .ipy files with IPython syntax. |
|
2202 | """Like safe_execfile, but for .ipy files with IPython syntax. | |
2200 |
|
2203 | |||
2201 | Parameters |
|
2204 | Parameters | |
2202 | ---------- |
|
2205 | ---------- | |
2203 | fname : str |
|
2206 | fname : str | |
2204 | The name of the file to execute. The filename must have a |
|
2207 | The name of the file to execute. The filename must have a | |
2205 | .ipy extension. |
|
2208 | .ipy extension. | |
2206 | """ |
|
2209 | """ | |
2207 | fname = os.path.abspath(os.path.expanduser(fname)) |
|
2210 | fname = os.path.abspath(os.path.expanduser(fname)) | |
2208 |
|
2211 | |||
2209 | # Make sure we can open the file |
|
2212 | # Make sure we can open the file | |
2210 | try: |
|
2213 | try: | |
2211 | with open(fname) as thefile: |
|
2214 | with open(fname) as thefile: | |
2212 | pass |
|
2215 | pass | |
2213 | except: |
|
2216 | except: | |
2214 | warn('Could not open file <%s> for safe execution.' % fname) |
|
2217 | warn('Could not open file <%s> for safe execution.' % fname) | |
2215 | return |
|
2218 | return | |
2216 |
|
2219 | |||
2217 | # Find things also in current directory. This is needed to mimic the |
|
2220 | # Find things also in current directory. This is needed to mimic the | |
2218 | # behavior of running a script from the system command line, where |
|
2221 | # behavior of running a script from the system command line, where | |
2219 | # Python inserts the script's directory into sys.path |
|
2222 | # Python inserts the script's directory into sys.path | |
2220 | dname = os.path.dirname(fname) |
|
2223 | dname = os.path.dirname(fname) | |
2221 |
|
2224 | |||
2222 | with prepended_to_syspath(dname): |
|
2225 | with prepended_to_syspath(dname): | |
2223 | try: |
|
2226 | try: | |
2224 | with open(fname) as thefile: |
|
2227 | with open(fname) as thefile: | |
2225 | # self.run_cell currently captures all exceptions |
|
2228 | # self.run_cell currently captures all exceptions | |
2226 | # raised in user code. It would be nice if there were |
|
2229 | # raised in user code. It would be nice if there were | |
2227 | # versions of runlines, execfile that did raise, so |
|
2230 | # versions of runlines, execfile that did raise, so | |
2228 | # we could catch the errors. |
|
2231 | # we could catch the errors. | |
2229 | self.run_cell(thefile.read(), store_history=False) |
|
2232 | self.run_cell(thefile.read(), store_history=False) | |
2230 | except: |
|
2233 | except: | |
2231 | self.showtraceback() |
|
2234 | self.showtraceback() | |
2232 | warn('Unknown failure executing file: <%s>' % fname) |
|
2235 | warn('Unknown failure executing file: <%s>' % fname) | |
2233 |
|
2236 | |||
2234 | def run_cell(self, raw_cell, store_history=True): |
|
2237 | def run_cell(self, raw_cell, store_history=True): | |
2235 | """Run a complete IPython cell. |
|
2238 | """Run a complete IPython cell. | |
2236 |
|
2239 | |||
2237 | Parameters |
|
2240 | Parameters | |
2238 | ---------- |
|
2241 | ---------- | |
2239 | raw_cell : str |
|
2242 | raw_cell : str | |
2240 | The code (including IPython code such as %magic functions) to run. |
|
2243 | The code (including IPython code such as %magic functions) to run. | |
2241 | store_history : bool |
|
2244 | store_history : bool | |
2242 | If True, the raw and translated cell will be stored in IPython's |
|
2245 | If True, the raw and translated cell will be stored in IPython's | |
2243 | history. For user code calling back into IPython's machinery, this |
|
2246 | history. For user code calling back into IPython's machinery, this | |
2244 | should be set to False. |
|
2247 | should be set to False. | |
2245 | """ |
|
2248 | """ | |
2246 | if (not raw_cell) or raw_cell.isspace(): |
|
2249 | if (not raw_cell) or raw_cell.isspace(): | |
2247 | return |
|
2250 | return | |
2248 |
|
2251 | |||
2249 | for line in raw_cell.splitlines(): |
|
2252 | for line in raw_cell.splitlines(): | |
2250 | self.input_splitter.push(line) |
|
2253 | self.input_splitter.push(line) | |
2251 | cell = self.input_splitter.source_reset() |
|
2254 | cell = self.input_splitter.source_reset() | |
2252 |
|
2255 | |||
2253 | with self.builtin_trap: |
|
2256 | with self.builtin_trap: | |
2254 | prefilter_failed = False |
|
2257 | prefilter_failed = False | |
2255 | if len(cell.splitlines()) == 1: |
|
2258 | if len(cell.splitlines()) == 1: | |
2256 | try: |
|
2259 | try: | |
2257 | # use prefilter_lines to handle trailing newlines |
|
2260 | # use prefilter_lines to handle trailing newlines | |
2258 | # restore trailing newline for ast.parse |
|
2261 | # restore trailing newline for ast.parse | |
2259 | cell = self.prefilter_manager.prefilter_lines(cell) + '\n' |
|
2262 | cell = self.prefilter_manager.prefilter_lines(cell) + '\n' | |
2260 | except AliasError as e: |
|
2263 | except AliasError as e: | |
2261 | error(e) |
|
2264 | error(e) | |
2262 | prefilter_failed = True |
|
2265 | prefilter_failed = True | |
2263 | except Exception: |
|
2266 | except Exception: | |
2264 | # don't allow prefilter errors to crash IPython |
|
2267 | # don't allow prefilter errors to crash IPython | |
2265 | self.showtraceback() |
|
2268 | self.showtraceback() | |
2266 | prefilter_failed = True |
|
2269 | prefilter_failed = True | |
2267 |
|
2270 | |||
2268 | # Store raw and processed history |
|
2271 | # Store raw and processed history | |
2269 | if store_history: |
|
2272 | if store_history: | |
2270 | self.history_manager.store_inputs(self.execution_count, |
|
2273 | self.history_manager.store_inputs(self.execution_count, | |
2271 | cell, raw_cell) |
|
2274 | cell, raw_cell) | |
2272 |
|
2275 | |||
2273 | self.logger.log(cell, raw_cell) |
|
2276 | self.logger.log(cell, raw_cell) | |
2274 |
|
2277 | |||
2275 | if not prefilter_failed: |
|
2278 | if not prefilter_failed: | |
2276 | # don't run if prefilter failed |
|
2279 | # don't run if prefilter failed | |
2277 | cell_name = self.compile.cache(cell, self.execution_count) |
|
2280 | cell_name = self.compile.cache(cell, self.execution_count) | |
2278 |
|
2281 | |||
2279 | with self.display_trap: |
|
2282 | with self.display_trap: | |
2280 | try: |
|
2283 | try: | |
2281 | code_ast = ast.parse(cell, filename=cell_name) |
|
2284 | code_ast = ast.parse(cell, filename=cell_name) | |
2282 | except IndentationError: |
|
2285 | except IndentationError: | |
2283 | self.showindentationerror() |
|
2286 | self.showindentationerror() | |
2284 | self.execution_count += 1 |
|
2287 | self.execution_count += 1 | |
2285 | return None |
|
2288 | return None | |
2286 | except (OverflowError, SyntaxError, ValueError, TypeError, |
|
2289 | except (OverflowError, SyntaxError, ValueError, TypeError, | |
2287 | MemoryError): |
|
2290 | MemoryError): | |
2288 | self.showsyntaxerror() |
|
2291 | self.showsyntaxerror() | |
2289 | self.execution_count += 1 |
|
2292 | self.execution_count += 1 | |
2290 | return None |
|
2293 | return None | |
2291 |
|
2294 | |||
2292 | self.run_ast_nodes(code_ast.body, cell_name, |
|
2295 | self.run_ast_nodes(code_ast.body, cell_name, | |
2293 | interactivity="last_expr") |
|
2296 | interactivity="last_expr") | |
2294 |
|
2297 | |||
2295 | # Execute any registered post-execution functions. |
|
2298 | # Execute any registered post-execution functions. | |
2296 | for func, status in self._post_execute.iteritems(): |
|
2299 | for func, status in self._post_execute.iteritems(): | |
2297 | if not status: |
|
2300 | if not status: | |
2298 | continue |
|
2301 | continue | |
2299 | try: |
|
2302 | try: | |
2300 | func() |
|
2303 | func() | |
2301 | except: |
|
2304 | except: | |
2302 | self.showtraceback() |
|
2305 | self.showtraceback() | |
2303 | # Deactivate failing function |
|
2306 | # Deactivate failing function | |
2304 | self._post_execute[func] = False |
|
2307 | self._post_execute[func] = False | |
2305 |
|
2308 | |||
2306 | if store_history: |
|
2309 | if store_history: | |
2307 | # Write output to the database. Does nothing unless |
|
2310 | # Write output to the database. Does nothing unless | |
2308 | # history output logging is enabled. |
|
2311 | # history output logging is enabled. | |
2309 | self.history_manager.store_output(self.execution_count) |
|
2312 | self.history_manager.store_output(self.execution_count) | |
2310 | # Each cell is a *single* input, regardless of how many lines it has |
|
2313 | # Each cell is a *single* input, regardless of how many lines it has | |
2311 | self.execution_count += 1 |
|
2314 | self.execution_count += 1 | |
2312 |
|
2315 | |||
2313 | def run_ast_nodes(self, nodelist, cell_name, interactivity='last_expr'): |
|
2316 | def run_ast_nodes(self, nodelist, cell_name, interactivity='last_expr'): | |
2314 | """Run a sequence of AST nodes. The execution mode depends on the |
|
2317 | """Run a sequence of AST nodes. The execution mode depends on the | |
2315 | interactivity parameter. |
|
2318 | interactivity parameter. | |
2316 |
|
2319 | |||
2317 | Parameters |
|
2320 | Parameters | |
2318 | ---------- |
|
2321 | ---------- | |
2319 | nodelist : list |
|
2322 | nodelist : list | |
2320 | A sequence of AST nodes to run. |
|
2323 | A sequence of AST nodes to run. | |
2321 | cell_name : str |
|
2324 | cell_name : str | |
2322 | Will be passed to the compiler as the filename of the cell. Typically |
|
2325 | Will be passed to the compiler as the filename of the cell. Typically | |
2323 | the value returned by ip.compile.cache(cell). |
|
2326 | the value returned by ip.compile.cache(cell). | |
2324 | interactivity : str |
|
2327 | interactivity : str | |
2325 | 'all', 'last', 'last_expr' or 'none', specifying which nodes should be |
|
2328 | 'all', 'last', 'last_expr' or 'none', specifying which nodes should be | |
2326 | run interactively (displaying output from expressions). 'last_expr' |
|
2329 | run interactively (displaying output from expressions). 'last_expr' | |
2327 | will run the last node interactively only if it is an expression (i.e. |
|
2330 | will run the last node interactively only if it is an expression (i.e. | |
2328 | expressions in loops or other blocks are not displayed. Other values |
|
2331 | expressions in loops or other blocks are not displayed. Other values | |
2329 | for this parameter will raise a ValueError. |
|
2332 | for this parameter will raise a ValueError. | |
2330 | """ |
|
2333 | """ | |
2331 | if not nodelist: |
|
2334 | if not nodelist: | |
2332 | return |
|
2335 | return | |
2333 |
|
2336 | |||
2334 | if interactivity == 'last_expr': |
|
2337 | if interactivity == 'last_expr': | |
2335 | if isinstance(nodelist[-1], ast.Expr): |
|
2338 | if isinstance(nodelist[-1], ast.Expr): | |
2336 | interactivity = "last" |
|
2339 | interactivity = "last" | |
2337 | else: |
|
2340 | else: | |
2338 | interactivity = "none" |
|
2341 | interactivity = "none" | |
2339 |
|
2342 | |||
2340 | if interactivity == 'none': |
|
2343 | if interactivity == 'none': | |
2341 | to_run_exec, to_run_interactive = nodelist, [] |
|
2344 | to_run_exec, to_run_interactive = nodelist, [] | |
2342 | elif interactivity == 'last': |
|
2345 | elif interactivity == 'last': | |
2343 | to_run_exec, to_run_interactive = nodelist[:-1], nodelist[-1:] |
|
2346 | to_run_exec, to_run_interactive = nodelist[:-1], nodelist[-1:] | |
2344 | elif interactivity == 'all': |
|
2347 | elif interactivity == 'all': | |
2345 | to_run_exec, to_run_interactive = [], nodelist |
|
2348 | to_run_exec, to_run_interactive = [], nodelist | |
2346 | else: |
|
2349 | else: | |
2347 | raise ValueError("Interactivity was %r" % interactivity) |
|
2350 | raise ValueError("Interactivity was %r" % interactivity) | |
2348 |
|
2351 | |||
2349 | exec_count = self.execution_count |
|
2352 | exec_count = self.execution_count | |
2350 |
|
2353 | |||
2351 | try: |
|
2354 | try: | |
2352 | for i, node in enumerate(to_run_exec): |
|
2355 | for i, node in enumerate(to_run_exec): | |
2353 | mod = ast.Module([node]) |
|
2356 | mod = ast.Module([node]) | |
2354 | code = self.compile(mod, cell_name, "exec") |
|
2357 | code = self.compile(mod, cell_name, "exec") | |
2355 | if self.run_code(code): |
|
2358 | if self.run_code(code): | |
2356 | return True |
|
2359 | return True | |
2357 |
|
2360 | |||
2358 | for i, node in enumerate(to_run_interactive): |
|
2361 | for i, node in enumerate(to_run_interactive): | |
2359 | mod = ast.Interactive([node]) |
|
2362 | mod = ast.Interactive([node]) | |
2360 | code = self.compile(mod, cell_name, "single") |
|
2363 | code = self.compile(mod, cell_name, "single") | |
2361 | if self.run_code(code): |
|
2364 | if self.run_code(code): | |
2362 | return True |
|
2365 | return True | |
2363 | except: |
|
2366 | except: | |
2364 | # It's possible to have exceptions raised here, typically by |
|
2367 | # It's possible to have exceptions raised here, typically by | |
2365 | # compilation of odd code (such as a naked 'return' outside a |
|
2368 | # compilation of odd code (such as a naked 'return' outside a | |
2366 | # function) that did parse but isn't valid. Typically the exception |
|
2369 | # function) that did parse but isn't valid. Typically the exception | |
2367 | # is a SyntaxError, but it's safest just to catch anything and show |
|
2370 | # is a SyntaxError, but it's safest just to catch anything and show | |
2368 | # the user a traceback. |
|
2371 | # the user a traceback. | |
2369 |
|
2372 | |||
2370 | # We do only one try/except outside the loop to minimize the impact |
|
2373 | # We do only one try/except outside the loop to minimize the impact | |
2371 | # on runtime, and also because if any node in the node list is |
|
2374 | # on runtime, and also because if any node in the node list is | |
2372 | # broken, we should stop execution completely. |
|
2375 | # broken, we should stop execution completely. | |
2373 | self.showtraceback() |
|
2376 | self.showtraceback() | |
2374 |
|
2377 | |||
2375 | return False |
|
2378 | return False | |
2376 |
|
2379 | |||
2377 | def run_code(self, code_obj): |
|
2380 | def run_code(self, code_obj): | |
2378 | """Execute a code object. |
|
2381 | """Execute a code object. | |
2379 |
|
2382 | |||
2380 | When an exception occurs, self.showtraceback() is called to display a |
|
2383 | When an exception occurs, self.showtraceback() is called to display a | |
2381 | traceback. |
|
2384 | traceback. | |
2382 |
|
2385 | |||
2383 | Parameters |
|
2386 | Parameters | |
2384 | ---------- |
|
2387 | ---------- | |
2385 | code_obj : code object |
|
2388 | code_obj : code object | |
2386 | A compiled code object, to be executed |
|
2389 | A compiled code object, to be executed | |
2387 | post_execute : bool [default: True] |
|
2390 | post_execute : bool [default: True] | |
2388 | whether to call post_execute hooks after this particular execution. |
|
2391 | whether to call post_execute hooks after this particular execution. | |
2389 |
|
2392 | |||
2390 | Returns |
|
2393 | Returns | |
2391 | ------- |
|
2394 | ------- | |
2392 | False : successful execution. |
|
2395 | False : successful execution. | |
2393 | True : an error occurred. |
|
2396 | True : an error occurred. | |
2394 | """ |
|
2397 | """ | |
2395 |
|
2398 | |||
2396 | # Set our own excepthook in case the user code tries to call it |
|
2399 | # Set our own excepthook in case the user code tries to call it | |
2397 | # directly, so that the IPython crash handler doesn't get triggered |
|
2400 | # directly, so that the IPython crash handler doesn't get triggered | |
2398 | old_excepthook,sys.excepthook = sys.excepthook, self.excepthook |
|
2401 | old_excepthook,sys.excepthook = sys.excepthook, self.excepthook | |
2399 |
|
2402 | |||
2400 | # we save the original sys.excepthook in the instance, in case config |
|
2403 | # we save the original sys.excepthook in the instance, in case config | |
2401 | # code (such as magics) needs access to it. |
|
2404 | # code (such as magics) needs access to it. | |
2402 | self.sys_excepthook = old_excepthook |
|
2405 | self.sys_excepthook = old_excepthook | |
2403 | outflag = 1 # happens in more places, so it's easier as default |
|
2406 | outflag = 1 # happens in more places, so it's easier as default | |
2404 | try: |
|
2407 | try: | |
2405 | try: |
|
2408 | try: | |
2406 | self.hooks.pre_run_code_hook() |
|
2409 | self.hooks.pre_run_code_hook() | |
2407 | #rprint('Running code', repr(code_obj)) # dbg |
|
2410 | #rprint('Running code', repr(code_obj)) # dbg | |
2408 | exec code_obj in self.user_global_ns, self.user_ns |
|
2411 | exec code_obj in self.user_global_ns, self.user_ns | |
2409 | finally: |
|
2412 | finally: | |
2410 | # Reset our crash handler in place |
|
2413 | # Reset our crash handler in place | |
2411 | sys.excepthook = old_excepthook |
|
2414 | sys.excepthook = old_excepthook | |
2412 | except SystemExit: |
|
2415 | except SystemExit: | |
2413 | self.showtraceback(exception_only=True) |
|
2416 | self.showtraceback(exception_only=True) | |
2414 | warn("To exit: use 'exit', 'quit', or Ctrl-D.", level=1) |
|
2417 | warn("To exit: use 'exit', 'quit', or Ctrl-D.", level=1) | |
2415 | except self.custom_exceptions: |
|
2418 | except self.custom_exceptions: | |
2416 | etype,value,tb = sys.exc_info() |
|
2419 | etype,value,tb = sys.exc_info() | |
2417 | self.CustomTB(etype,value,tb) |
|
2420 | self.CustomTB(etype,value,tb) | |
2418 | except: |
|
2421 | except: | |
2419 | self.showtraceback() |
|
2422 | self.showtraceback() | |
2420 | else: |
|
2423 | else: | |
2421 | outflag = 0 |
|
2424 | outflag = 0 | |
2422 | if softspace(sys.stdout, 0): |
|
2425 | if softspace(sys.stdout, 0): | |
2423 |
|
2426 | |||
2424 |
|
2427 | |||
2425 | return outflag |
|
2428 | return outflag | |
2426 |
|
2429 | |||
2427 | # For backwards compatibility |
|
2430 | # For backwards compatibility | |
2428 | runcode = run_code |
|
2431 | runcode = run_code | |
2429 |
|
2432 | |||
2430 | #------------------------------------------------------------------------- |
|
2433 | #------------------------------------------------------------------------- | |
2431 | # Things related to GUI support and pylab |
|
2434 | # Things related to GUI support and pylab | |
2432 | #------------------------------------------------------------------------- |
|
2435 | #------------------------------------------------------------------------- | |
2433 |
|
2436 | |||
2434 | def enable_pylab(self, gui=None, import_all=True): |
|
2437 | def enable_pylab(self, gui=None, import_all=True): | |
2435 | raise NotImplementedError('Implement enable_pylab in a subclass') |
|
2438 | raise NotImplementedError('Implement enable_pylab in a subclass') | |
2436 |
|
2439 | |||
2437 | #------------------------------------------------------------------------- |
|
2440 | #------------------------------------------------------------------------- | |
2438 | # Utilities |
|
2441 | # Utilities | |
2439 | #------------------------------------------------------------------------- |
|
2442 | #------------------------------------------------------------------------- | |
2440 |
|
2443 | |||
2441 | def var_expand(self,cmd,depth=0): |
|
2444 | def var_expand(self,cmd,depth=0): | |
2442 | """Expand python variables in a string. |
|
2445 | """Expand python variables in a string. | |
2443 |
|
2446 | |||
2444 | The depth argument indicates how many frames above the caller should |
|
2447 | The depth argument indicates how many frames above the caller should | |
2445 | be walked to look for the local namespace where to expand variables. |
|
2448 | be walked to look for the local namespace where to expand variables. | |
2446 |
|
2449 | |||
2447 | The global namespace for expansion is always the user's interactive |
|
2450 | The global namespace for expansion is always the user's interactive | |
2448 | namespace. |
|
2451 | namespace. | |
2449 | """ |
|
2452 | """ | |
2450 | res = ItplNS(cmd, self.user_ns, # globals |
|
2453 | res = ItplNS(cmd, self.user_ns, # globals | |
2451 | # Skip our own frame in searching for locals: |
|
2454 | # Skip our own frame in searching for locals: | |
2452 | sys._getframe(depth+1).f_locals # locals |
|
2455 | sys._getframe(depth+1).f_locals # locals | |
2453 | ) |
|
2456 | ) | |
2454 | return str(res).decode(res.codec) |
|
2457 | return str(res).decode(res.codec) | |
2455 |
|
2458 | |||
2456 | def mktempfile(self, data=None, prefix='ipython_edit_'): |
|
2459 | def mktempfile(self, data=None, prefix='ipython_edit_'): | |
2457 | """Make a new tempfile and return its filename. |
|
2460 | """Make a new tempfile and return its filename. | |
2458 |
|
2461 | |||
2459 | This makes a call to tempfile.mktemp, but it registers the created |
|
2462 | This makes a call to tempfile.mktemp, but it registers the created | |
2460 | filename internally so ipython cleans it up at exit time. |
|
2463 | filename internally so ipython cleans it up at exit time. | |
2461 |
|
2464 | |||
2462 | Optional inputs: |
|
2465 | Optional inputs: | |
2463 |
|
2466 | |||
2464 | - data(None): if data is given, it gets written out to the temp file |
|
2467 | - data(None): if data is given, it gets written out to the temp file | |
2465 | immediately, and the file is closed again.""" |
|
2468 | immediately, and the file is closed again.""" | |
2466 |
|
2469 | |||
2467 | filename = tempfile.mktemp('.py', prefix) |
|
2470 | filename = tempfile.mktemp('.py', prefix) | |
2468 | self.tempfiles.append(filename) |
|
2471 | self.tempfiles.append(filename) | |
2469 |
|
2472 | |||
2470 | if data: |
|
2473 | if data: | |
2471 | tmp_file = open(filename,'w') |
|
2474 | tmp_file = open(filename,'w') | |
2472 | tmp_file.write(data) |
|
2475 | tmp_file.write(data) | |
2473 | tmp_file.close() |
|
2476 | tmp_file.close() | |
2474 | return filename |
|
2477 | return filename | |
2475 |
|
2478 | |||
2476 | # TODO: This should be removed when Term is refactored. |
|
2479 | # TODO: This should be removed when Term is refactored. | |
2477 | def write(self,data): |
|
2480 | def write(self,data): | |
2478 | """Write a string to the default output""" |
|
2481 | """Write a string to the default output""" | |
2479 | io.stdout.write(data) |
|
2482 | io.stdout.write(data) | |
2480 |
|
2483 | |||
2481 | # TODO: This should be removed when Term is refactored. |
|
2484 | # TODO: This should be removed when Term is refactored. | |
2482 | def write_err(self,data): |
|
2485 | def write_err(self,data): | |
2483 | """Write a string to the default error output""" |
|
2486 | """Write a string to the default error output""" | |
2484 | io.stderr.write(data) |
|
2487 | io.stderr.write(data) | |
2485 |
|
2488 | |||
2486 | def ask_yes_no(self,prompt,default=True): |
|
2489 | def ask_yes_no(self,prompt,default=True): | |
2487 | if self.quiet: |
|
2490 | if self.quiet: | |
2488 | return True |
|
2491 | return True | |
2489 | return ask_yes_no(prompt,default) |
|
2492 | return ask_yes_no(prompt,default) | |
2490 |
|
2493 | |||
2491 | def show_usage(self): |
|
2494 | def show_usage(self): | |
2492 | """Show a usage message""" |
|
2495 | """Show a usage message""" | |
2493 | page.page(IPython.core.usage.interactive_usage) |
|
2496 | page.page(IPython.core.usage.interactive_usage) | |
2494 |
|
2497 | |||
2495 | def find_user_code(self, target, raw=True): |
|
2498 | def find_user_code(self, target, raw=True): | |
2496 | """Get a code string from history, file, or a string or macro. |
|
2499 | """Get a code string from history, file, or a string or macro. | |
2497 |
|
2500 | |||
2498 | This is mainly used by magic functions. |
|
2501 | This is mainly used by magic functions. | |
2499 |
|
2502 | |||
2500 | Parameters |
|
2503 | Parameters | |
2501 | ---------- |
|
2504 | ---------- | |
2502 | target : str |
|
2505 | target : str | |
2503 | A string specifying code to retrieve. This will be tried respectively |
|
2506 | A string specifying code to retrieve. This will be tried respectively | |
2504 | as: ranges of input history (see %history for syntax), a filename, or |
|
2507 | as: ranges of input history (see %history for syntax), a filename, or | |
2505 | an expression evaluating to a string or Macro in the user namespace. |
|
2508 | an expression evaluating to a string or Macro in the user namespace. | |
2506 | raw : bool |
|
2509 | raw : bool | |
2507 | If true (default), retrieve raw history. Has no effect on the other |
|
2510 | If true (default), retrieve raw history. Has no effect on the other | |
2508 | retrieval mechanisms. |
|
2511 | retrieval mechanisms. | |
2509 |
|
2512 | |||
2510 | Returns |
|
2513 | Returns | |
2511 | ------- |
|
2514 | ------- | |
2512 | A string of code. |
|
2515 | A string of code. | |
2513 |
|
2516 | |||
2514 | ValueError is raised if nothing is found, and TypeError if it evaluates |
|
2517 | ValueError is raised if nothing is found, and TypeError if it evaluates | |
2515 | to an object of another type. In each case, .args[0] is a printable |
|
2518 | to an object of another type. In each case, .args[0] is a printable | |
2516 | message. |
|
2519 | message. | |
2517 | """ |
|
2520 | """ | |
2518 | code = self.extract_input_lines(target, raw=raw) # Grab history |
|
2521 | code = self.extract_input_lines(target, raw=raw) # Grab history | |
2519 | if code: |
|
2522 | if code: | |
2520 | return code |
|
2523 | return code | |
2521 | if os.path.isfile(target): # Read file |
|
2524 | if os.path.isfile(target): # Read file | |
2522 | return open(target, "r").read() |
|
2525 | return open(target, "r").read() | |
2523 |
|
2526 | |||
2524 | try: # User namespace |
|
2527 | try: # User namespace | |
2525 | codeobj = eval(target, self.user_ns) |
|
2528 | codeobj = eval(target, self.user_ns) | |
2526 | except Exception: |
|
2529 | except Exception: | |
2527 | raise ValueError(("'%s' was not found in history, as a file, nor in" |
|
2530 | raise ValueError(("'%s' was not found in history, as a file, nor in" | |
2528 | " the user namespace.") % target) |
|
2531 | " the user namespace.") % target) | |
2529 | if isinstance(codeobj, basestring): |
|
2532 | if isinstance(codeobj, basestring): | |
2530 | return codeobj |
|
2533 | return codeobj | |
2531 | elif isinstance(codeobj, Macro): |
|
2534 | elif isinstance(codeobj, Macro): | |
2532 | return codeobj.value |
|
2535 | return codeobj.value | |
2533 |
|
2536 | |||
2534 | raise TypeError("%s is neither a string nor a macro." % target, |
|
2537 | raise TypeError("%s is neither a string nor a macro." % target, | |
2535 | codeobj) |
|
2538 | codeobj) | |
2536 |
|
2539 | |||
2537 | #------------------------------------------------------------------------- |
|
2540 | #------------------------------------------------------------------------- | |
2538 | # Things related to IPython exiting |
|
2541 | # Things related to IPython exiting | |
2539 | #------------------------------------------------------------------------- |
|
2542 | #------------------------------------------------------------------------- | |
2540 | def atexit_operations(self): |
|
2543 | def atexit_operations(self): | |
2541 | """This will be executed at the time of exit. |
|
2544 | """This will be executed at the time of exit. | |
2542 |
|
2545 | |||
2543 | Cleanup operations and saving of persistent data that is done |
|
2546 | Cleanup operations and saving of persistent data that is done | |
2544 | unconditionally by IPython should be performed here. |
|
2547 | unconditionally by IPython should be performed here. | |
2545 |
|
2548 | |||
2546 | For things that may depend on startup flags or platform specifics (such |
|
2549 | For things that may depend on startup flags or platform specifics (such | |
2547 | as having readline or not), register a separate atexit function in the |
|
2550 | as having readline or not), register a separate atexit function in the | |
2548 | code that has the appropriate information, rather than trying to |
|
2551 | code that has the appropriate information, rather than trying to | |
2549 | clutter |
|
2552 | clutter | |
2550 | """ |
|
2553 | """ | |
2551 | # Close the history session (this stores the end time and line count) |
|
2554 | # Close the history session (this stores the end time and line count) | |
2552 | # this must be *before* the tempfile cleanup, in case of temporary |
|
2555 | # this must be *before* the tempfile cleanup, in case of temporary | |
2553 | # history db |
|
2556 | # history db | |
2554 | self.history_manager.end_session() |
|
2557 | self.history_manager.end_session() | |
2555 |
|
2558 | |||
2556 | # Cleanup all tempfiles left around |
|
2559 | # Cleanup all tempfiles left around | |
2557 | for tfile in self.tempfiles: |
|
2560 | for tfile in self.tempfiles: | |
2558 | try: |
|
2561 | try: | |
2559 | os.unlink(tfile) |
|
2562 | os.unlink(tfile) | |
2560 | except OSError: |
|
2563 | except OSError: | |
2561 | pass |
|
2564 | pass | |
2562 |
|
2565 | |||
2563 | # Clear all user namespaces to release all references cleanly. |
|
2566 | # Clear all user namespaces to release all references cleanly. | |
2564 | self.reset(new_session=False) |
|
2567 | self.reset(new_session=False) | |
2565 |
|
2568 | |||
2566 | # Run user hooks |
|
2569 | # Run user hooks | |
2567 | self.hooks.shutdown_hook() |
|
2570 | self.hooks.shutdown_hook() | |
2568 |
|
2571 | |||
2569 | def cleanup(self): |
|
2572 | def cleanup(self): | |
2570 | self.restore_sys_module_state() |
|
2573 | self.restore_sys_module_state() | |
2571 |
|
2574 | |||
2572 |
|
2575 | |||
2573 | class InteractiveShellABC(object): |
|
2576 | class InteractiveShellABC(object): | |
2574 | """An abstract base class for InteractiveShell.""" |
|
2577 | """An abstract base class for InteractiveShell.""" | |
2575 | __metaclass__ = abc.ABCMeta |
|
2578 | __metaclass__ = abc.ABCMeta | |
2576 |
|
2579 | |||
2577 | InteractiveShellABC.register(InteractiveShell) |
|
2580 | InteractiveShellABC.register(InteractiveShell) |
@@ -1,3569 +1,3568 b'' | |||||
1 | # encoding: utf-8 |
|
1 | # encoding: utf-8 | |
2 | """Magic functions for InteractiveShell. |
|
2 | """Magic functions for InteractiveShell. | |
3 | """ |
|
3 | """ | |
4 |
|
4 | |||
5 | #----------------------------------------------------------------------------- |
|
5 | #----------------------------------------------------------------------------- | |
6 | # Copyright (C) 2001 Janko Hauser <jhauser@zscout.de> and |
|
6 | # Copyright (C) 2001 Janko Hauser <jhauser@zscout.de> and | |
7 | # Copyright (C) 2001-2007 Fernando Perez <fperez@colorado.edu> |
|
7 | # Copyright (C) 2001-2007 Fernando Perez <fperez@colorado.edu> | |
8 | # Copyright (C) 2008-2009 The IPython Development Team |
|
8 | # Copyright (C) 2008-2009 The IPython Development Team | |
9 |
|
9 | |||
10 | # Distributed under the terms of the BSD License. The full license is in |
|
10 | # Distributed under the terms of the BSD License. The full license is in | |
11 | # the file COPYING, distributed as part of this software. |
|
11 | # the file COPYING, distributed as part of this software. | |
12 | #----------------------------------------------------------------------------- |
|
12 | #----------------------------------------------------------------------------- | |
13 |
|
13 | |||
14 | #----------------------------------------------------------------------------- |
|
14 | #----------------------------------------------------------------------------- | |
15 | # Imports |
|
15 | # Imports | |
16 | #----------------------------------------------------------------------------- |
|
16 | #----------------------------------------------------------------------------- | |
17 |
|
17 | |||
18 | import __builtin__ as builtin_mod |
|
18 | import __builtin__ as builtin_mod | |
19 | import __future__ |
|
19 | import __future__ | |
20 | import bdb |
|
20 | import bdb | |
21 | import inspect |
|
21 | import inspect | |
22 | import os |
|
22 | import os | |
23 | import sys |
|
23 | import sys | |
24 | import shutil |
|
24 | import shutil | |
25 | import re |
|
25 | import re | |
26 | import time |
|
26 | import time | |
27 | import textwrap |
|
27 | import textwrap | |
28 | from cStringIO import StringIO |
|
28 | from cStringIO import StringIO | |
29 | from getopt import getopt,GetoptError |
|
29 | from getopt import getopt,GetoptError | |
30 | from pprint import pformat |
|
30 | from pprint import pformat | |
31 | from xmlrpclib import ServerProxy |
|
31 | from xmlrpclib import ServerProxy | |
32 |
|
32 | |||
33 | # cProfile was added in Python2.5 |
|
33 | # cProfile was added in Python2.5 | |
34 | try: |
|
34 | try: | |
35 | import cProfile as profile |
|
35 | import cProfile as profile | |
36 | import pstats |
|
36 | import pstats | |
37 | except ImportError: |
|
37 | except ImportError: | |
38 | # profile isn't bundled by default in Debian for license reasons |
|
38 | # profile isn't bundled by default in Debian for license reasons | |
39 | try: |
|
39 | try: | |
40 | import profile,pstats |
|
40 | import profile,pstats | |
41 | except ImportError: |
|
41 | except ImportError: | |
42 | profile = pstats = None |
|
42 | profile = pstats = None | |
43 |
|
43 | |||
44 | import IPython |
|
44 | import IPython | |
45 | from IPython.core import debugger, oinspect |
|
45 | from IPython.core import debugger, oinspect | |
46 | from IPython.core.error import TryNext |
|
46 | from IPython.core.error import TryNext | |
47 | from IPython.core.error import UsageError |
|
47 | from IPython.core.error import UsageError | |
48 | from IPython.core.fakemodule import FakeModule |
|
48 | from IPython.core.fakemodule import FakeModule | |
49 | from IPython.core.profiledir import ProfileDir |
|
49 | from IPython.core.profiledir import ProfileDir | |
50 | from IPython.core.macro import Macro |
|
50 | from IPython.core.macro import Macro | |
51 | from IPython.core import magic_arguments, page |
|
51 | from IPython.core import magic_arguments, page | |
52 | from IPython.core.prefilter import ESC_MAGIC |
|
52 | from IPython.core.prefilter import ESC_MAGIC | |
53 | from IPython.lib.pylabtools import mpl_runner |
|
53 | from IPython.lib.pylabtools import mpl_runner | |
54 | from IPython.testing.skipdoctest import skip_doctest |
|
54 | from IPython.testing.skipdoctest import skip_doctest | |
55 | from IPython.utils import py3compat |
|
55 | from IPython.utils import py3compat | |
56 | from IPython.utils.io import file_read, nlprint |
|
56 | from IPython.utils.io import file_read, nlprint | |
57 | from IPython.utils.path import get_py_filename, unquote_filename |
|
57 | from IPython.utils.path import get_py_filename, unquote_filename | |
58 | from IPython.utils.process import arg_split, abbrev_cwd |
|
58 | from IPython.utils.process import arg_split, abbrev_cwd | |
59 | from IPython.utils.terminal import set_term_title |
|
59 | from IPython.utils.terminal import set_term_title | |
60 | from IPython.utils.text import LSString, SList, format_screen |
|
60 | from IPython.utils.text import LSString, SList, format_screen | |
61 | from IPython.utils.timing import clock, clock2 |
|
61 | from IPython.utils.timing import clock, clock2 | |
62 | from IPython.utils.warn import warn, error |
|
62 | from IPython.utils.warn import warn, error | |
63 | from IPython.utils.ipstruct import Struct |
|
63 | from IPython.utils.ipstruct import Struct | |
64 | import IPython.utils.generics |
|
|||
65 |
|
64 | |||
66 | #----------------------------------------------------------------------------- |
|
65 | #----------------------------------------------------------------------------- | |
67 | # Utility functions |
|
66 | # Utility functions | |
68 | #----------------------------------------------------------------------------- |
|
67 | #----------------------------------------------------------------------------- | |
69 |
|
68 | |||
70 | def on_off(tag): |
|
69 | def on_off(tag): | |
71 | """Return an ON/OFF string for a 1/0 input. Simple utility function.""" |
|
70 | """Return an ON/OFF string for a 1/0 input. Simple utility function.""" | |
72 | return ['OFF','ON'][tag] |
|
71 | return ['OFF','ON'][tag] | |
73 |
|
72 | |||
74 | class Bunch: pass |
|
73 | class Bunch: pass | |
75 |
|
74 | |||
76 | def compress_dhist(dh): |
|
75 | def compress_dhist(dh): | |
77 | head, tail = dh[:-10], dh[-10:] |
|
76 | head, tail = dh[:-10], dh[-10:] | |
78 |
|
77 | |||
79 | newhead = [] |
|
78 | newhead = [] | |
80 | done = set() |
|
79 | done = set() | |
81 | for h in head: |
|
80 | for h in head: | |
82 | if h in done: |
|
81 | if h in done: | |
83 | continue |
|
82 | continue | |
84 | newhead.append(h) |
|
83 | newhead.append(h) | |
85 | done.add(h) |
|
84 | done.add(h) | |
86 |
|
85 | |||
87 | return newhead + tail |
|
86 | return newhead + tail | |
88 |
|
87 | |||
89 | def needs_local_scope(func): |
|
88 | def needs_local_scope(func): | |
90 | """Decorator to mark magic functions which need to local scope to run.""" |
|
89 | """Decorator to mark magic functions which need to local scope to run.""" | |
91 | func.needs_local_scope = True |
|
90 | func.needs_local_scope = True | |
92 | return func |
|
91 | return func | |
93 |
|
92 | |||
94 | # Used for exception handling in magic_edit |
|
93 | # Used for exception handling in magic_edit | |
95 | class MacroToEdit(ValueError): pass |
|
94 | class MacroToEdit(ValueError): pass | |
96 |
|
95 | |||
97 | #*************************************************************************** |
|
96 | #*************************************************************************** | |
98 | # Main class implementing Magic functionality |
|
97 | # Main class implementing Magic functionality | |
99 |
|
98 | |||
100 | # XXX - for some odd reason, if Magic is made a new-style class, we get errors |
|
99 | # XXX - for some odd reason, if Magic is made a new-style class, we get errors | |
101 | # on construction of the main InteractiveShell object. Something odd is going |
|
100 | # on construction of the main InteractiveShell object. Something odd is going | |
102 | # on with super() calls, Configurable and the MRO... For now leave it as-is, but |
|
101 | # on with super() calls, Configurable and the MRO... For now leave it as-is, but | |
103 | # eventually this needs to be clarified. |
|
102 | # eventually this needs to be clarified. | |
104 | # BG: This is because InteractiveShell inherits from this, but is itself a |
|
103 | # BG: This is because InteractiveShell inherits from this, but is itself a | |
105 | # Configurable. This messes up the MRO in some way. The fix is that we need to |
|
104 | # Configurable. This messes up the MRO in some way. The fix is that we need to | |
106 | # make Magic a configurable that InteractiveShell does not subclass. |
|
105 | # make Magic a configurable that InteractiveShell does not subclass. | |
107 |
|
106 | |||
108 | class Magic: |
|
107 | class Magic: | |
109 | """Magic functions for InteractiveShell. |
|
108 | """Magic functions for InteractiveShell. | |
110 |
|
109 | |||
111 | Shell functions which can be reached as %function_name. All magic |
|
110 | Shell functions which can be reached as %function_name. All magic | |
112 | functions should accept a string, which they can parse for their own |
|
111 | functions should accept a string, which they can parse for their own | |
113 | needs. This can make some functions easier to type, eg `%cd ../` |
|
112 | needs. This can make some functions easier to type, eg `%cd ../` | |
114 | vs. `%cd("../")` |
|
113 | vs. `%cd("../")` | |
115 |
|
114 | |||
116 | ALL definitions MUST begin with the prefix magic_. The user won't need it |
|
115 | ALL definitions MUST begin with the prefix magic_. The user won't need it | |
117 | at the command line, but it is is needed in the definition. """ |
|
116 | at the command line, but it is is needed in the definition. """ | |
118 |
|
117 | |||
119 | # class globals |
|
118 | # class globals | |
120 | auto_status = ['Automagic is OFF, % prefix IS needed for magic functions.', |
|
119 | auto_status = ['Automagic is OFF, % prefix IS needed for magic functions.', | |
121 | 'Automagic is ON, % prefix NOT needed for magic functions.'] |
|
120 | 'Automagic is ON, % prefix NOT needed for magic functions.'] | |
122 |
|
121 | |||
123 | #...................................................................... |
|
122 | #...................................................................... | |
124 | # some utility functions |
|
123 | # some utility functions | |
125 |
|
124 | |||
126 | def __init__(self,shell): |
|
125 | def __init__(self,shell): | |
127 |
|
126 | |||
128 | self.options_table = {} |
|
127 | self.options_table = {} | |
129 | if profile is None: |
|
128 | if profile is None: | |
130 | self.magic_prun = self.profile_missing_notice |
|
129 | self.magic_prun = self.profile_missing_notice | |
131 | self.shell = shell |
|
130 | self.shell = shell | |
132 |
|
131 | |||
133 | # namespace for holding state we may need |
|
132 | # namespace for holding state we may need | |
134 | self._magic_state = Bunch() |
|
133 | self._magic_state = Bunch() | |
135 |
|
134 | |||
136 | def profile_missing_notice(self, *args, **kwargs): |
|
135 | def profile_missing_notice(self, *args, **kwargs): | |
137 | error("""\ |
|
136 | error("""\ | |
138 | The profile module could not be found. It has been removed from the standard |
|
137 | The profile module could not be found. It has been removed from the standard | |
139 | python packages because of its non-free license. To use profiling, install the |
|
138 | python packages because of its non-free license. To use profiling, install the | |
140 | python-profiler package from non-free.""") |
|
139 | python-profiler package from non-free.""") | |
141 |
|
140 | |||
142 | def default_option(self,fn,optstr): |
|
141 | def default_option(self,fn,optstr): | |
143 | """Make an entry in the options_table for fn, with value optstr""" |
|
142 | """Make an entry in the options_table for fn, with value optstr""" | |
144 |
|
143 | |||
145 | if fn not in self.lsmagic(): |
|
144 | if fn not in self.lsmagic(): | |
146 | error("%s is not a magic function" % fn) |
|
145 | error("%s is not a magic function" % fn) | |
147 | self.options_table[fn] = optstr |
|
146 | self.options_table[fn] = optstr | |
148 |
|
147 | |||
149 | def lsmagic(self): |
|
148 | def lsmagic(self): | |
150 | """Return a list of currently available magic functions. |
|
149 | """Return a list of currently available magic functions. | |
151 |
|
150 | |||
152 | Gives a list of the bare names after mangling (['ls','cd', ...], not |
|
151 | Gives a list of the bare names after mangling (['ls','cd', ...], not | |
153 | ['magic_ls','magic_cd',...]""" |
|
152 | ['magic_ls','magic_cd',...]""" | |
154 |
|
153 | |||
155 | # FIXME. This needs a cleanup, in the way the magics list is built. |
|
154 | # FIXME. This needs a cleanup, in the way the magics list is built. | |
156 |
|
155 | |||
157 | # magics in class definition |
|
156 | # magics in class definition | |
158 | class_magic = lambda fn: fn.startswith('magic_') and \ |
|
157 | class_magic = lambda fn: fn.startswith('magic_') and \ | |
159 | callable(Magic.__dict__[fn]) |
|
158 | callable(Magic.__dict__[fn]) | |
160 | # in instance namespace (run-time user additions) |
|
159 | # in instance namespace (run-time user additions) | |
161 | inst_magic = lambda fn: fn.startswith('magic_') and \ |
|
160 | inst_magic = lambda fn: fn.startswith('magic_') and \ | |
162 | callable(self.__dict__[fn]) |
|
161 | callable(self.__dict__[fn]) | |
163 | # and bound magics by user (so they can access self): |
|
162 | # and bound magics by user (so they can access self): | |
164 | inst_bound_magic = lambda fn: fn.startswith('magic_') and \ |
|
163 | inst_bound_magic = lambda fn: fn.startswith('magic_') and \ | |
165 | callable(self.__class__.__dict__[fn]) |
|
164 | callable(self.__class__.__dict__[fn]) | |
166 | magics = filter(class_magic,Magic.__dict__.keys()) + \ |
|
165 | magics = filter(class_magic,Magic.__dict__.keys()) + \ | |
167 | filter(inst_magic,self.__dict__.keys()) + \ |
|
166 | filter(inst_magic,self.__dict__.keys()) + \ | |
168 | filter(inst_bound_magic,self.__class__.__dict__.keys()) |
|
167 | filter(inst_bound_magic,self.__class__.__dict__.keys()) | |
169 | out = [] |
|
168 | out = [] | |
170 | for fn in set(magics): |
|
169 | for fn in set(magics): | |
171 | out.append(fn.replace('magic_','',1)) |
|
170 | out.append(fn.replace('magic_','',1)) | |
172 | out.sort() |
|
171 | out.sort() | |
173 | return out |
|
172 | return out | |
174 |
|
173 | |||
175 | def extract_input_lines(self, range_str, raw=False): |
|
174 | def extract_input_lines(self, range_str, raw=False): | |
176 | """Return as a string a set of input history slices. |
|
175 | """Return as a string a set of input history slices. | |
177 |
|
176 | |||
178 | Inputs: |
|
177 | Inputs: | |
179 |
|
178 | |||
180 | - range_str: the set of slices is given as a string, like |
|
179 | - range_str: the set of slices is given as a string, like | |
181 | "~5/6-~4/2 4:8 9", since this function is for use by magic functions |
|
180 | "~5/6-~4/2 4:8 9", since this function is for use by magic functions | |
182 | which get their arguments as strings. The number before the / is the |
|
181 | which get their arguments as strings. The number before the / is the | |
183 | session number: ~n goes n back from the current session. |
|
182 | session number: ~n goes n back from the current session. | |
184 |
|
183 | |||
185 | Optional inputs: |
|
184 | Optional inputs: | |
186 |
|
185 | |||
187 | - raw(False): by default, the processed input is used. If this is |
|
186 | - raw(False): by default, the processed input is used. If this is | |
188 | true, the raw input history is used instead. |
|
187 | true, the raw input history is used instead. | |
189 |
|
188 | |||
190 | Note that slices can be called with two notations: |
|
189 | Note that slices can be called with two notations: | |
191 |
|
190 | |||
192 | N:M -> standard python form, means including items N...(M-1). |
|
191 | N:M -> standard python form, means including items N...(M-1). | |
193 |
|
192 | |||
194 | N-M -> include items N..M (closed endpoint).""" |
|
193 | N-M -> include items N..M (closed endpoint).""" | |
195 | lines = self.shell.history_manager.\ |
|
194 | lines = self.shell.history_manager.\ | |
196 | get_range_by_str(range_str, raw=raw) |
|
195 | get_range_by_str(range_str, raw=raw) | |
197 | return "\n".join(x for _, _, x in lines) |
|
196 | return "\n".join(x for _, _, x in lines) | |
198 |
|
197 | |||
199 | def arg_err(self,func): |
|
198 | def arg_err(self,func): | |
200 | """Print docstring if incorrect arguments were passed""" |
|
199 | """Print docstring if incorrect arguments were passed""" | |
201 | print 'Error in arguments:' |
|
200 | print 'Error in arguments:' | |
202 | print oinspect.getdoc(func) |
|
201 | print oinspect.getdoc(func) | |
203 |
|
202 | |||
204 | def format_latex(self,strng): |
|
203 | def format_latex(self,strng): | |
205 | """Format a string for latex inclusion.""" |
|
204 | """Format a string for latex inclusion.""" | |
206 |
|
205 | |||
207 | # Characters that need to be escaped for latex: |
|
206 | # Characters that need to be escaped for latex: | |
208 | escape_re = re.compile(r'(%|_|\$|#|&)',re.MULTILINE) |
|
207 | escape_re = re.compile(r'(%|_|\$|#|&)',re.MULTILINE) | |
209 | # Magic command names as headers: |
|
208 | # Magic command names as headers: | |
210 | cmd_name_re = re.compile(r'^(%s.*?):' % ESC_MAGIC, |
|
209 | cmd_name_re = re.compile(r'^(%s.*?):' % ESC_MAGIC, | |
211 | re.MULTILINE) |
|
210 | re.MULTILINE) | |
212 | # Magic commands |
|
211 | # Magic commands | |
213 | cmd_re = re.compile(r'(?P<cmd>%s.+?\b)(?!\}\}:)' % ESC_MAGIC, |
|
212 | cmd_re = re.compile(r'(?P<cmd>%s.+?\b)(?!\}\}:)' % ESC_MAGIC, | |
214 | re.MULTILINE) |
|
213 | re.MULTILINE) | |
215 | # Paragraph continue |
|
214 | # Paragraph continue | |
216 | par_re = re.compile(r'\\$',re.MULTILINE) |
|
215 | par_re = re.compile(r'\\$',re.MULTILINE) | |
217 |
|
216 | |||
218 | # The "\n" symbol |
|
217 | # The "\n" symbol | |
219 | newline_re = re.compile(r'\\n') |
|
218 | newline_re = re.compile(r'\\n') | |
220 |
|
219 | |||
221 | # Now build the string for output: |
|
220 | # Now build the string for output: | |
222 | #strng = cmd_name_re.sub(r'\n\\texttt{\\textsl{\\large \1}}:',strng) |
|
221 | #strng = cmd_name_re.sub(r'\n\\texttt{\\textsl{\\large \1}}:',strng) | |
223 | strng = cmd_name_re.sub(r'\n\\bigskip\n\\texttt{\\textbf{ \1}}:', |
|
222 | strng = cmd_name_re.sub(r'\n\\bigskip\n\\texttt{\\textbf{ \1}}:', | |
224 | strng) |
|
223 | strng) | |
225 | strng = cmd_re.sub(r'\\texttt{\g<cmd>}',strng) |
|
224 | strng = cmd_re.sub(r'\\texttt{\g<cmd>}',strng) | |
226 | strng = par_re.sub(r'\\\\',strng) |
|
225 | strng = par_re.sub(r'\\\\',strng) | |
227 | strng = escape_re.sub(r'\\\1',strng) |
|
226 | strng = escape_re.sub(r'\\\1',strng) | |
228 | strng = newline_re.sub(r'\\textbackslash{}n',strng) |
|
227 | strng = newline_re.sub(r'\\textbackslash{}n',strng) | |
229 | return strng |
|
228 | return strng | |
230 |
|
229 | |||
231 | def parse_options(self,arg_str,opt_str,*long_opts,**kw): |
|
230 | def parse_options(self,arg_str,opt_str,*long_opts,**kw): | |
232 | """Parse options passed to an argument string. |
|
231 | """Parse options passed to an argument string. | |
233 |
|
232 | |||
234 | The interface is similar to that of getopt(), but it returns back a |
|
233 | The interface is similar to that of getopt(), but it returns back a | |
235 | Struct with the options as keys and the stripped argument string still |
|
234 | Struct with the options as keys and the stripped argument string still | |
236 | as a string. |
|
235 | as a string. | |
237 |
|
236 | |||
238 | arg_str is quoted as a true sys.argv vector by using shlex.split. |
|
237 | arg_str is quoted as a true sys.argv vector by using shlex.split. | |
239 | This allows us to easily expand variables, glob files, quote |
|
238 | This allows us to easily expand variables, glob files, quote | |
240 | arguments, etc. |
|
239 | arguments, etc. | |
241 |
|
240 | |||
242 | Options: |
|
241 | Options: | |
243 | -mode: default 'string'. If given as 'list', the argument string is |
|
242 | -mode: default 'string'. If given as 'list', the argument string is | |
244 | returned as a list (split on whitespace) instead of a string. |
|
243 | returned as a list (split on whitespace) instead of a string. | |
245 |
|
244 | |||
246 | -list_all: put all option values in lists. Normally only options |
|
245 | -list_all: put all option values in lists. Normally only options | |
247 | appearing more than once are put in a list. |
|
246 | appearing more than once are put in a list. | |
248 |
|
247 | |||
249 | -posix (True): whether to split the input line in POSIX mode or not, |
|
248 | -posix (True): whether to split the input line in POSIX mode or not, | |
250 | as per the conventions outlined in the shlex module from the |
|
249 | as per the conventions outlined in the shlex module from the | |
251 | standard library.""" |
|
250 | standard library.""" | |
252 |
|
251 | |||
253 | # inject default options at the beginning of the input line |
|
252 | # inject default options at the beginning of the input line | |
254 | caller = sys._getframe(1).f_code.co_name.replace('magic_','') |
|
253 | caller = sys._getframe(1).f_code.co_name.replace('magic_','') | |
255 | arg_str = '%s %s' % (self.options_table.get(caller,''),arg_str) |
|
254 | arg_str = '%s %s' % (self.options_table.get(caller,''),arg_str) | |
256 |
|
255 | |||
257 | mode = kw.get('mode','string') |
|
256 | mode = kw.get('mode','string') | |
258 | if mode not in ['string','list']: |
|
257 | if mode not in ['string','list']: | |
259 | raise ValueError,'incorrect mode given: %s' % mode |
|
258 | raise ValueError,'incorrect mode given: %s' % mode | |
260 | # Get options |
|
259 | # Get options | |
261 | list_all = kw.get('list_all',0) |
|
260 | list_all = kw.get('list_all',0) | |
262 | posix = kw.get('posix', os.name == 'posix') |
|
261 | posix = kw.get('posix', os.name == 'posix') | |
263 |
|
262 | |||
264 | # Check if we have more than one argument to warrant extra processing: |
|
263 | # Check if we have more than one argument to warrant extra processing: | |
265 | odict = {} # Dictionary with options |
|
264 | odict = {} # Dictionary with options | |
266 | args = arg_str.split() |
|
265 | args = arg_str.split() | |
267 | if len(args) >= 1: |
|
266 | if len(args) >= 1: | |
268 | # If the list of inputs only has 0 or 1 thing in it, there's no |
|
267 | # If the list of inputs only has 0 or 1 thing in it, there's no | |
269 | # need to look for options |
|
268 | # need to look for options | |
270 | argv = arg_split(arg_str,posix) |
|
269 | argv = arg_split(arg_str,posix) | |
271 | # Do regular option processing |
|
270 | # Do regular option processing | |
272 | try: |
|
271 | try: | |
273 | opts,args = getopt(argv,opt_str,*long_opts) |
|
272 | opts,args = getopt(argv,opt_str,*long_opts) | |
274 | except GetoptError,e: |
|
273 | except GetoptError,e: | |
275 | raise UsageError('%s ( allowed: "%s" %s)' % (e.msg,opt_str, |
|
274 | raise UsageError('%s ( allowed: "%s" %s)' % (e.msg,opt_str, | |
276 | " ".join(long_opts))) |
|
275 | " ".join(long_opts))) | |
277 | for o,a in opts: |
|
276 | for o,a in opts: | |
278 | if o.startswith('--'): |
|
277 | if o.startswith('--'): | |
279 | o = o[2:] |
|
278 | o = o[2:] | |
280 | else: |
|
279 | else: | |
281 | o = o[1:] |
|
280 | o = o[1:] | |
282 | try: |
|
281 | try: | |
283 | odict[o].append(a) |
|
282 | odict[o].append(a) | |
284 | except AttributeError: |
|
283 | except AttributeError: | |
285 | odict[o] = [odict[o],a] |
|
284 | odict[o] = [odict[o],a] | |
286 | except KeyError: |
|
285 | except KeyError: | |
287 | if list_all: |
|
286 | if list_all: | |
288 | odict[o] = [a] |
|
287 | odict[o] = [a] | |
289 | else: |
|
288 | else: | |
290 | odict[o] = a |
|
289 | odict[o] = a | |
291 |
|
290 | |||
292 | # Prepare opts,args for return |
|
291 | # Prepare opts,args for return | |
293 | opts = Struct(odict) |
|
292 | opts = Struct(odict) | |
294 | if mode == 'string': |
|
293 | if mode == 'string': | |
295 | args = ' '.join(args) |
|
294 | args = ' '.join(args) | |
296 |
|
295 | |||
297 | return opts,args |
|
296 | return opts,args | |
298 |
|
297 | |||
299 | #...................................................................... |
|
298 | #...................................................................... | |
300 | # And now the actual magic functions |
|
299 | # And now the actual magic functions | |
301 |
|
300 | |||
302 | # Functions for IPython shell work (vars,funcs, config, etc) |
|
301 | # Functions for IPython shell work (vars,funcs, config, etc) | |
303 | def magic_lsmagic(self, parameter_s = ''): |
|
302 | def magic_lsmagic(self, parameter_s = ''): | |
304 | """List currently available magic functions.""" |
|
303 | """List currently available magic functions.""" | |
305 | mesc = ESC_MAGIC |
|
304 | mesc = ESC_MAGIC | |
306 | print 'Available magic functions:\n'+mesc+\ |
|
305 | print 'Available magic functions:\n'+mesc+\ | |
307 | (' '+mesc).join(self.lsmagic()) |
|
306 | (' '+mesc).join(self.lsmagic()) | |
308 | print '\n' + Magic.auto_status[self.shell.automagic] |
|
307 | print '\n' + Magic.auto_status[self.shell.automagic] | |
309 | return None |
|
308 | return None | |
310 |
|
309 | |||
311 | def magic_magic(self, parameter_s = ''): |
|
310 | def magic_magic(self, parameter_s = ''): | |
312 | """Print information about the magic function system. |
|
311 | """Print information about the magic function system. | |
313 |
|
312 | |||
314 | Supported formats: -latex, -brief, -rest |
|
313 | Supported formats: -latex, -brief, -rest | |
315 | """ |
|
314 | """ | |
316 |
|
315 | |||
317 | mode = '' |
|
316 | mode = '' | |
318 | try: |
|
317 | try: | |
319 | if parameter_s.split()[0] == '-latex': |
|
318 | if parameter_s.split()[0] == '-latex': | |
320 | mode = 'latex' |
|
319 | mode = 'latex' | |
321 | if parameter_s.split()[0] == '-brief': |
|
320 | if parameter_s.split()[0] == '-brief': | |
322 | mode = 'brief' |
|
321 | mode = 'brief' | |
323 | if parameter_s.split()[0] == '-rest': |
|
322 | if parameter_s.split()[0] == '-rest': | |
324 | mode = 'rest' |
|
323 | mode = 'rest' | |
325 | rest_docs = [] |
|
324 | rest_docs = [] | |
326 | except: |
|
325 | except: | |
327 | pass |
|
326 | pass | |
328 |
|
327 | |||
329 | magic_docs = [] |
|
328 | magic_docs = [] | |
330 | for fname in self.lsmagic(): |
|
329 | for fname in self.lsmagic(): | |
331 | mname = 'magic_' + fname |
|
330 | mname = 'magic_' + fname | |
332 | for space in (Magic,self,self.__class__): |
|
331 | for space in (Magic,self,self.__class__): | |
333 | try: |
|
332 | try: | |
334 | fn = space.__dict__[mname] |
|
333 | fn = space.__dict__[mname] | |
335 | except KeyError: |
|
334 | except KeyError: | |
336 | pass |
|
335 | pass | |
337 | else: |
|
336 | else: | |
338 | break |
|
337 | break | |
339 | if mode == 'brief': |
|
338 | if mode == 'brief': | |
340 | # only first line |
|
339 | # only first line | |
341 | if fn.__doc__: |
|
340 | if fn.__doc__: | |
342 | fndoc = fn.__doc__.split('\n',1)[0] |
|
341 | fndoc = fn.__doc__.split('\n',1)[0] | |
343 | else: |
|
342 | else: | |
344 | fndoc = 'No documentation' |
|
343 | fndoc = 'No documentation' | |
345 | else: |
|
344 | else: | |
346 | if fn.__doc__: |
|
345 | if fn.__doc__: | |
347 | fndoc = fn.__doc__.rstrip() |
|
346 | fndoc = fn.__doc__.rstrip() | |
348 | else: |
|
347 | else: | |
349 | fndoc = 'No documentation' |
|
348 | fndoc = 'No documentation' | |
350 |
|
349 | |||
351 |
|
350 | |||
352 | if mode == 'rest': |
|
351 | if mode == 'rest': | |
353 | rest_docs.append('**%s%s**::\n\n\t%s\n\n' %(ESC_MAGIC, |
|
352 | rest_docs.append('**%s%s**::\n\n\t%s\n\n' %(ESC_MAGIC, | |
354 | fname,fndoc)) |
|
353 | fname,fndoc)) | |
355 |
|
354 | |||
356 | else: |
|
355 | else: | |
357 | magic_docs.append('%s%s:\n\t%s\n' %(ESC_MAGIC, |
|
356 | magic_docs.append('%s%s:\n\t%s\n' %(ESC_MAGIC, | |
358 | fname,fndoc)) |
|
357 | fname,fndoc)) | |
359 |
|
358 | |||
360 | magic_docs = ''.join(magic_docs) |
|
359 | magic_docs = ''.join(magic_docs) | |
361 |
|
360 | |||
362 | if mode == 'rest': |
|
361 | if mode == 'rest': | |
363 | return "".join(rest_docs) |
|
362 | return "".join(rest_docs) | |
364 |
|
363 | |||
365 | if mode == 'latex': |
|
364 | if mode == 'latex': | |
366 | print self.format_latex(magic_docs) |
|
365 | print self.format_latex(magic_docs) | |
367 | return |
|
366 | return | |
368 | else: |
|
367 | else: | |
369 | magic_docs = format_screen(magic_docs) |
|
368 | magic_docs = format_screen(magic_docs) | |
370 | if mode == 'brief': |
|
369 | if mode == 'brief': | |
371 | return magic_docs |
|
370 | return magic_docs | |
372 |
|
371 | |||
373 | outmsg = """ |
|
372 | outmsg = """ | |
374 | IPython's 'magic' functions |
|
373 | IPython's 'magic' functions | |
375 | =========================== |
|
374 | =========================== | |
376 |
|
375 | |||
377 | The magic function system provides a series of functions which allow you to |
|
376 | The magic function system provides a series of functions which allow you to | |
378 | control the behavior of IPython itself, plus a lot of system-type |
|
377 | control the behavior of IPython itself, plus a lot of system-type | |
379 | features. All these functions are prefixed with a % character, but parameters |
|
378 | features. All these functions are prefixed with a % character, but parameters | |
380 | are given without parentheses or quotes. |
|
379 | are given without parentheses or quotes. | |
381 |
|
380 | |||
382 | NOTE: If you have 'automagic' enabled (via the command line option or with the |
|
381 | NOTE: If you have 'automagic' enabled (via the command line option or with the | |
383 | %automagic function), you don't need to type in the % explicitly. By default, |
|
382 | %automagic function), you don't need to type in the % explicitly. By default, | |
384 | IPython ships with automagic on, so you should only rarely need the % escape. |
|
383 | IPython ships with automagic on, so you should only rarely need the % escape. | |
385 |
|
384 | |||
386 | Example: typing '%cd mydir' (without the quotes) changes you working directory |
|
385 | Example: typing '%cd mydir' (without the quotes) changes you working directory | |
387 | to 'mydir', if it exists. |
|
386 | to 'mydir', if it exists. | |
388 |
|
387 | |||
389 | For a list of the available magic functions, use %lsmagic. For a description |
|
388 | For a list of the available magic functions, use %lsmagic. For a description | |
390 | of any of them, type %magic_name?, e.g. '%cd?'. |
|
389 | of any of them, type %magic_name?, e.g. '%cd?'. | |
391 |
|
390 | |||
392 | Currently the magic system has the following functions:\n""" |
|
391 | Currently the magic system has the following functions:\n""" | |
393 |
|
392 | |||
394 | mesc = ESC_MAGIC |
|
393 | mesc = ESC_MAGIC | |
395 | outmsg = ("%s\n%s\n\nSummary of magic functions (from %slsmagic):" |
|
394 | outmsg = ("%s\n%s\n\nSummary of magic functions (from %slsmagic):" | |
396 | "\n\n%s%s\n\n%s" % (outmsg, |
|
395 | "\n\n%s%s\n\n%s" % (outmsg, | |
397 | magic_docs,mesc,mesc, |
|
396 | magic_docs,mesc,mesc, | |
398 | (' '+mesc).join(self.lsmagic()), |
|
397 | (' '+mesc).join(self.lsmagic()), | |
399 | Magic.auto_status[self.shell.automagic] ) ) |
|
398 | Magic.auto_status[self.shell.automagic] ) ) | |
400 | page.page(outmsg) |
|
399 | page.page(outmsg) | |
401 |
|
400 | |||
402 | def magic_automagic(self, parameter_s = ''): |
|
401 | def magic_automagic(self, parameter_s = ''): | |
403 | """Make magic functions callable without having to type the initial %. |
|
402 | """Make magic functions callable without having to type the initial %. | |
404 |
|
403 | |||
405 | Without argumentsl toggles on/off (when off, you must call it as |
|
404 | Without argumentsl toggles on/off (when off, you must call it as | |
406 | %automagic, of course). With arguments it sets the value, and you can |
|
405 | %automagic, of course). With arguments it sets the value, and you can | |
407 | use any of (case insensitive): |
|
406 | use any of (case insensitive): | |
408 |
|
407 | |||
409 | - on,1,True: to activate |
|
408 | - on,1,True: to activate | |
410 |
|
409 | |||
411 | - off,0,False: to deactivate. |
|
410 | - off,0,False: to deactivate. | |
412 |
|
411 | |||
413 | Note that magic functions have lowest priority, so if there's a |
|
412 | Note that magic functions have lowest priority, so if there's a | |
414 | variable whose name collides with that of a magic fn, automagic won't |
|
413 | variable whose name collides with that of a magic fn, automagic won't | |
415 | work for that function (you get the variable instead). However, if you |
|
414 | work for that function (you get the variable instead). However, if you | |
416 | delete the variable (del var), the previously shadowed magic function |
|
415 | delete the variable (del var), the previously shadowed magic function | |
417 | becomes visible to automagic again.""" |
|
416 | becomes visible to automagic again.""" | |
418 |
|
417 | |||
419 | arg = parameter_s.lower() |
|
418 | arg = parameter_s.lower() | |
420 | if parameter_s in ('on','1','true'): |
|
419 | if parameter_s in ('on','1','true'): | |
421 | self.shell.automagic = True |
|
420 | self.shell.automagic = True | |
422 | elif parameter_s in ('off','0','false'): |
|
421 | elif parameter_s in ('off','0','false'): | |
423 | self.shell.automagic = False |
|
422 | self.shell.automagic = False | |
424 | else: |
|
423 | else: | |
425 | self.shell.automagic = not self.shell.automagic |
|
424 | self.shell.automagic = not self.shell.automagic | |
426 | print '\n' + Magic.auto_status[self.shell.automagic] |
|
425 | print '\n' + Magic.auto_status[self.shell.automagic] | |
427 |
|
426 | |||
428 | @skip_doctest |
|
427 | @skip_doctest | |
429 | def magic_autocall(self, parameter_s = ''): |
|
428 | def magic_autocall(self, parameter_s = ''): | |
430 | """Make functions callable without having to type parentheses. |
|
429 | """Make functions callable without having to type parentheses. | |
431 |
|
430 | |||
432 | Usage: |
|
431 | Usage: | |
433 |
|
432 | |||
434 | %autocall [mode] |
|
433 | %autocall [mode] | |
435 |
|
434 | |||
436 | The mode can be one of: 0->Off, 1->Smart, 2->Full. If not given, the |
|
435 | The mode can be one of: 0->Off, 1->Smart, 2->Full. If not given, the | |
437 | value is toggled on and off (remembering the previous state). |
|
436 | value is toggled on and off (remembering the previous state). | |
438 |
|
437 | |||
439 | In more detail, these values mean: |
|
438 | In more detail, these values mean: | |
440 |
|
439 | |||
441 | 0 -> fully disabled |
|
440 | 0 -> fully disabled | |
442 |
|
441 | |||
443 | 1 -> active, but do not apply if there are no arguments on the line. |
|
442 | 1 -> active, but do not apply if there are no arguments on the line. | |
444 |
|
443 | |||
445 | In this mode, you get: |
|
444 | In this mode, you get: | |
446 |
|
445 | |||
447 | In [1]: callable |
|
446 | In [1]: callable | |
448 | Out[1]: <built-in function callable> |
|
447 | Out[1]: <built-in function callable> | |
449 |
|
448 | |||
450 | In [2]: callable 'hello' |
|
449 | In [2]: callable 'hello' | |
451 | ------> callable('hello') |
|
450 | ------> callable('hello') | |
452 | Out[2]: False |
|
451 | Out[2]: False | |
453 |
|
452 | |||
454 | 2 -> Active always. Even if no arguments are present, the callable |
|
453 | 2 -> Active always. Even if no arguments are present, the callable | |
455 | object is called: |
|
454 | object is called: | |
456 |
|
455 | |||
457 | In [2]: float |
|
456 | In [2]: float | |
458 | ------> float() |
|
457 | ------> float() | |
459 | Out[2]: 0.0 |
|
458 | Out[2]: 0.0 | |
460 |
|
459 | |||
461 | Note that even with autocall off, you can still use '/' at the start of |
|
460 | Note that even with autocall off, you can still use '/' at the start of | |
462 | a line to treat the first argument on the command line as a function |
|
461 | a line to treat the first argument on the command line as a function | |
463 | and add parentheses to it: |
|
462 | and add parentheses to it: | |
464 |
|
463 | |||
465 | In [8]: /str 43 |
|
464 | In [8]: /str 43 | |
466 | ------> str(43) |
|
465 | ------> str(43) | |
467 | Out[8]: '43' |
|
466 | Out[8]: '43' | |
468 |
|
467 | |||
469 | # all-random (note for auto-testing) |
|
468 | # all-random (note for auto-testing) | |
470 | """ |
|
469 | """ | |
471 |
|
470 | |||
472 | if parameter_s: |
|
471 | if parameter_s: | |
473 | arg = int(parameter_s) |
|
472 | arg = int(parameter_s) | |
474 | else: |
|
473 | else: | |
475 | arg = 'toggle' |
|
474 | arg = 'toggle' | |
476 |
|
475 | |||
477 | if not arg in (0,1,2,'toggle'): |
|
476 | if not arg in (0,1,2,'toggle'): | |
478 | error('Valid modes: (0->Off, 1->Smart, 2->Full') |
|
477 | error('Valid modes: (0->Off, 1->Smart, 2->Full') | |
479 | return |
|
478 | return | |
480 |
|
479 | |||
481 | if arg in (0,1,2): |
|
480 | if arg in (0,1,2): | |
482 | self.shell.autocall = arg |
|
481 | self.shell.autocall = arg | |
483 | else: # toggle |
|
482 | else: # toggle | |
484 | if self.shell.autocall: |
|
483 | if self.shell.autocall: | |
485 | self._magic_state.autocall_save = self.shell.autocall |
|
484 | self._magic_state.autocall_save = self.shell.autocall | |
486 | self.shell.autocall = 0 |
|
485 | self.shell.autocall = 0 | |
487 | else: |
|
486 | else: | |
488 | try: |
|
487 | try: | |
489 | self.shell.autocall = self._magic_state.autocall_save |
|
488 | self.shell.autocall = self._magic_state.autocall_save | |
490 | except AttributeError: |
|
489 | except AttributeError: | |
491 | self.shell.autocall = self._magic_state.autocall_save = 1 |
|
490 | self.shell.autocall = self._magic_state.autocall_save = 1 | |
492 |
|
491 | |||
493 | print "Automatic calling is:",['OFF','Smart','Full'][self.shell.autocall] |
|
492 | print "Automatic calling is:",['OFF','Smart','Full'][self.shell.autocall] | |
494 |
|
493 | |||
495 |
|
494 | |||
496 | def magic_page(self, parameter_s=''): |
|
495 | def magic_page(self, parameter_s=''): | |
497 | """Pretty print the object and display it through a pager. |
|
496 | """Pretty print the object and display it through a pager. | |
498 |
|
497 | |||
499 | %page [options] OBJECT |
|
498 | %page [options] OBJECT | |
500 |
|
499 | |||
501 | If no object is given, use _ (last output). |
|
500 | If no object is given, use _ (last output). | |
502 |
|
501 | |||
503 | Options: |
|
502 | Options: | |
504 |
|
503 | |||
505 | -r: page str(object), don't pretty-print it.""" |
|
504 | -r: page str(object), don't pretty-print it.""" | |
506 |
|
505 | |||
507 | # After a function contributed by Olivier Aubert, slightly modified. |
|
506 | # After a function contributed by Olivier Aubert, slightly modified. | |
508 |
|
507 | |||
509 | # Process options/args |
|
508 | # Process options/args | |
510 | opts,args = self.parse_options(parameter_s,'r') |
|
509 | opts,args = self.parse_options(parameter_s,'r') | |
511 | raw = 'r' in opts |
|
510 | raw = 'r' in opts | |
512 |
|
511 | |||
513 | oname = args and args or '_' |
|
512 | oname = args and args or '_' | |
514 | info = self._ofind(oname) |
|
513 | info = self._ofind(oname) | |
515 | if info['found']: |
|
514 | if info['found']: | |
516 | txt = (raw and str or pformat)( info['obj'] ) |
|
515 | txt = (raw and str or pformat)( info['obj'] ) | |
517 | page.page(txt) |
|
516 | page.page(txt) | |
518 | else: |
|
517 | else: | |
519 | print 'Object `%s` not found' % oname |
|
518 | print 'Object `%s` not found' % oname | |
520 |
|
519 | |||
521 | def magic_profile(self, parameter_s=''): |
|
520 | def magic_profile(self, parameter_s=''): | |
522 | """Print your currently active IPython profile.""" |
|
521 | """Print your currently active IPython profile.""" | |
523 | print self.shell.profile |
|
522 | print self.shell.profile | |
524 |
|
523 | |||
525 | def magic_pinfo(self, parameter_s='', namespaces=None): |
|
524 | def magic_pinfo(self, parameter_s='', namespaces=None): | |
526 | """Provide detailed information about an object. |
|
525 | """Provide detailed information about an object. | |
527 |
|
526 | |||
528 | '%pinfo object' is just a synonym for object? or ?object.""" |
|
527 | '%pinfo object' is just a synonym for object? or ?object.""" | |
529 |
|
528 | |||
530 | #print 'pinfo par: <%s>' % parameter_s # dbg |
|
529 | #print 'pinfo par: <%s>' % parameter_s # dbg | |
531 |
|
530 | |||
532 |
|
531 | |||
533 | # detail_level: 0 -> obj? , 1 -> obj?? |
|
532 | # detail_level: 0 -> obj? , 1 -> obj?? | |
534 | detail_level = 0 |
|
533 | detail_level = 0 | |
535 | # We need to detect if we got called as 'pinfo pinfo foo', which can |
|
534 | # We need to detect if we got called as 'pinfo pinfo foo', which can | |
536 | # happen if the user types 'pinfo foo?' at the cmd line. |
|
535 | # happen if the user types 'pinfo foo?' at the cmd line. | |
537 | pinfo,qmark1,oname,qmark2 = \ |
|
536 | pinfo,qmark1,oname,qmark2 = \ | |
538 | re.match('(pinfo )?(\?*)(.*?)(\??$)',parameter_s).groups() |
|
537 | re.match('(pinfo )?(\?*)(.*?)(\??$)',parameter_s).groups() | |
539 | if pinfo or qmark1 or qmark2: |
|
538 | if pinfo or qmark1 or qmark2: | |
540 | detail_level = 1 |
|
539 | detail_level = 1 | |
541 | if "*" in oname: |
|
540 | if "*" in oname: | |
542 | self.magic_psearch(oname) |
|
541 | self.magic_psearch(oname) | |
543 | else: |
|
542 | else: | |
544 | self.shell._inspect('pinfo', oname, detail_level=detail_level, |
|
543 | self.shell._inspect('pinfo', oname, detail_level=detail_level, | |
545 | namespaces=namespaces) |
|
544 | namespaces=namespaces) | |
546 |
|
545 | |||
547 | def magic_pinfo2(self, parameter_s='', namespaces=None): |
|
546 | def magic_pinfo2(self, parameter_s='', namespaces=None): | |
548 | """Provide extra detailed information about an object. |
|
547 | """Provide extra detailed information about an object. | |
549 |
|
548 | |||
550 | '%pinfo2 object' is just a synonym for object?? or ??object.""" |
|
549 | '%pinfo2 object' is just a synonym for object?? or ??object.""" | |
551 | self.shell._inspect('pinfo', parameter_s, detail_level=1, |
|
550 | self.shell._inspect('pinfo', parameter_s, detail_level=1, | |
552 | namespaces=namespaces) |
|
551 | namespaces=namespaces) | |
553 |
|
552 | |||
554 | @skip_doctest |
|
553 | @skip_doctest | |
555 | def magic_pdef(self, parameter_s='', namespaces=None): |
|
554 | def magic_pdef(self, parameter_s='', namespaces=None): | |
556 | """Print the definition header for any callable object. |
|
555 | """Print the definition header for any callable object. | |
557 |
|
556 | |||
558 | If the object is a class, print the constructor information. |
|
557 | If the object is a class, print the constructor information. | |
559 |
|
558 | |||
560 | Examples |
|
559 | Examples | |
561 | -------- |
|
560 | -------- | |
562 | :: |
|
561 | :: | |
563 |
|
562 | |||
564 | In [3]: %pdef urllib.urlopen |
|
563 | In [3]: %pdef urllib.urlopen | |
565 | urllib.urlopen(url, data=None, proxies=None) |
|
564 | urllib.urlopen(url, data=None, proxies=None) | |
566 | """ |
|
565 | """ | |
567 | self._inspect('pdef',parameter_s, namespaces) |
|
566 | self._inspect('pdef',parameter_s, namespaces) | |
568 |
|
567 | |||
569 | def magic_pdoc(self, parameter_s='', namespaces=None): |
|
568 | def magic_pdoc(self, parameter_s='', namespaces=None): | |
570 | """Print the docstring for an object. |
|
569 | """Print the docstring for an object. | |
571 |
|
570 | |||
572 | If the given object is a class, it will print both the class and the |
|
571 | If the given object is a class, it will print both the class and the | |
573 | constructor docstrings.""" |
|
572 | constructor docstrings.""" | |
574 | self._inspect('pdoc',parameter_s, namespaces) |
|
573 | self._inspect('pdoc',parameter_s, namespaces) | |
575 |
|
574 | |||
576 | def magic_psource(self, parameter_s='', namespaces=None): |
|
575 | def magic_psource(self, parameter_s='', namespaces=None): | |
577 | """Print (or run through pager) the source code for an object.""" |
|
576 | """Print (or run through pager) the source code for an object.""" | |
578 | self._inspect('psource',parameter_s, namespaces) |
|
577 | self._inspect('psource',parameter_s, namespaces) | |
579 |
|
578 | |||
580 | def magic_pfile(self, parameter_s=''): |
|
579 | def magic_pfile(self, parameter_s=''): | |
581 | """Print (or run through pager) the file where an object is defined. |
|
580 | """Print (or run through pager) the file where an object is defined. | |
582 |
|
581 | |||
583 | The file opens at the line where the object definition begins. IPython |
|
582 | The file opens at the line where the object definition begins. IPython | |
584 | will honor the environment variable PAGER if set, and otherwise will |
|
583 | will honor the environment variable PAGER if set, and otherwise will | |
585 | do its best to print the file in a convenient form. |
|
584 | do its best to print the file in a convenient form. | |
586 |
|
585 | |||
587 | If the given argument is not an object currently defined, IPython will |
|
586 | If the given argument is not an object currently defined, IPython will | |
588 | try to interpret it as a filename (automatically adding a .py extension |
|
587 | try to interpret it as a filename (automatically adding a .py extension | |
589 | if needed). You can thus use %pfile as a syntax highlighting code |
|
588 | if needed). You can thus use %pfile as a syntax highlighting code | |
590 | viewer.""" |
|
589 | viewer.""" | |
591 |
|
590 | |||
592 | # first interpret argument as an object name |
|
591 | # first interpret argument as an object name | |
593 | out = self._inspect('pfile',parameter_s) |
|
592 | out = self._inspect('pfile',parameter_s) | |
594 | # if not, try the input as a filename |
|
593 | # if not, try the input as a filename | |
595 | if out == 'not found': |
|
594 | if out == 'not found': | |
596 | try: |
|
595 | try: | |
597 | filename = get_py_filename(parameter_s) |
|
596 | filename = get_py_filename(parameter_s) | |
598 | except IOError,msg: |
|
597 | except IOError,msg: | |
599 | print msg |
|
598 | print msg | |
600 | return |
|
599 | return | |
601 | page.page(self.shell.inspector.format(file(filename).read())) |
|
600 | page.page(self.shell.inspector.format(file(filename).read())) | |
602 |
|
601 | |||
603 | def magic_psearch(self, parameter_s=''): |
|
602 | def magic_psearch(self, parameter_s=''): | |
604 | """Search for object in namespaces by wildcard. |
|
603 | """Search for object in namespaces by wildcard. | |
605 |
|
604 | |||
606 | %psearch [options] PATTERN [OBJECT TYPE] |
|
605 | %psearch [options] PATTERN [OBJECT TYPE] | |
607 |
|
606 | |||
608 | Note: ? can be used as a synonym for %psearch, at the beginning or at |
|
607 | Note: ? can be used as a synonym for %psearch, at the beginning or at | |
609 | the end: both a*? and ?a* are equivalent to '%psearch a*'. Still, the |
|
608 | the end: both a*? and ?a* are equivalent to '%psearch a*'. Still, the | |
610 | rest of the command line must be unchanged (options come first), so |
|
609 | rest of the command line must be unchanged (options come first), so | |
611 | for example the following forms are equivalent |
|
610 | for example the following forms are equivalent | |
612 |
|
611 | |||
613 | %psearch -i a* function |
|
612 | %psearch -i a* function | |
614 | -i a* function? |
|
613 | -i a* function? | |
615 | ?-i a* function |
|
614 | ?-i a* function | |
616 |
|
615 | |||
617 | Arguments: |
|
616 | Arguments: | |
618 |
|
617 | |||
619 | PATTERN |
|
618 | PATTERN | |
620 |
|
619 | |||
621 | where PATTERN is a string containing * as a wildcard similar to its |
|
620 | where PATTERN is a string containing * as a wildcard similar to its | |
622 | use in a shell. The pattern is matched in all namespaces on the |
|
621 | use in a shell. The pattern is matched in all namespaces on the | |
623 | search path. By default objects starting with a single _ are not |
|
622 | search path. By default objects starting with a single _ are not | |
624 | matched, many IPython generated objects have a single |
|
623 | matched, many IPython generated objects have a single | |
625 | underscore. The default is case insensitive matching. Matching is |
|
624 | underscore. The default is case insensitive matching. Matching is | |
626 | also done on the attributes of objects and not only on the objects |
|
625 | also done on the attributes of objects and not only on the objects | |
627 | in a module. |
|
626 | in a module. | |
628 |
|
627 | |||
629 | [OBJECT TYPE] |
|
628 | [OBJECT TYPE] | |
630 |
|
629 | |||
631 | Is the name of a python type from the types module. The name is |
|
630 | Is the name of a python type from the types module. The name is | |
632 | given in lowercase without the ending type, ex. StringType is |
|
631 | given in lowercase without the ending type, ex. StringType is | |
633 | written string. By adding a type here only objects matching the |
|
632 | written string. By adding a type here only objects matching the | |
634 | given type are matched. Using all here makes the pattern match all |
|
633 | given type are matched. Using all here makes the pattern match all | |
635 | types (this is the default). |
|
634 | types (this is the default). | |
636 |
|
635 | |||
637 | Options: |
|
636 | Options: | |
638 |
|
637 | |||
639 | -a: makes the pattern match even objects whose names start with a |
|
638 | -a: makes the pattern match even objects whose names start with a | |
640 | single underscore. These names are normally ommitted from the |
|
639 | single underscore. These names are normally ommitted from the | |
641 | search. |
|
640 | search. | |
642 |
|
641 | |||
643 | -i/-c: make the pattern case insensitive/sensitive. If neither of |
|
642 | -i/-c: make the pattern case insensitive/sensitive. If neither of | |
644 | these options are given, the default is read from your configuration |
|
643 | these options are given, the default is read from your configuration | |
645 | file, with the option ``InteractiveShell.wildcards_case_sensitive``. |
|
644 | file, with the option ``InteractiveShell.wildcards_case_sensitive``. | |
646 | If this option is not specified in your configuration file, IPython's |
|
645 | If this option is not specified in your configuration file, IPython's | |
647 | internal default is to do a case sensitive search. |
|
646 | internal default is to do a case sensitive search. | |
648 |
|
647 | |||
649 | -e/-s NAMESPACE: exclude/search a given namespace. The pattern you |
|
648 | -e/-s NAMESPACE: exclude/search a given namespace. The pattern you | |
650 | specifiy can be searched in any of the following namespaces: |
|
649 | specifiy can be searched in any of the following namespaces: | |
651 | 'builtin', 'user', 'user_global','internal', 'alias', where |
|
650 | 'builtin', 'user', 'user_global','internal', 'alias', where | |
652 | 'builtin' and 'user' are the search defaults. Note that you should |
|
651 | 'builtin' and 'user' are the search defaults. Note that you should | |
653 | not use quotes when specifying namespaces. |
|
652 | not use quotes when specifying namespaces. | |
654 |
|
653 | |||
655 | 'Builtin' contains the python module builtin, 'user' contains all |
|
654 | 'Builtin' contains the python module builtin, 'user' contains all | |
656 | user data, 'alias' only contain the shell aliases and no python |
|
655 | user data, 'alias' only contain the shell aliases and no python | |
657 | objects, 'internal' contains objects used by IPython. The |
|
656 | objects, 'internal' contains objects used by IPython. The | |
658 | 'user_global' namespace is only used by embedded IPython instances, |
|
657 | 'user_global' namespace is only used by embedded IPython instances, | |
659 | and it contains module-level globals. You can add namespaces to the |
|
658 | and it contains module-level globals. You can add namespaces to the | |
660 | search with -s or exclude them with -e (these options can be given |
|
659 | search with -s or exclude them with -e (these options can be given | |
661 | more than once). |
|
660 | more than once). | |
662 |
|
661 | |||
663 | Examples: |
|
662 | Examples: | |
664 |
|
663 | |||
665 | %psearch a* -> objects beginning with an a |
|
664 | %psearch a* -> objects beginning with an a | |
666 | %psearch -e builtin a* -> objects NOT in the builtin space starting in a |
|
665 | %psearch -e builtin a* -> objects NOT in the builtin space starting in a | |
667 | %psearch a* function -> all functions beginning with an a |
|
666 | %psearch a* function -> all functions beginning with an a | |
668 | %psearch re.e* -> objects beginning with an e in module re |
|
667 | %psearch re.e* -> objects beginning with an e in module re | |
669 | %psearch r*.e* -> objects that start with e in modules starting in r |
|
668 | %psearch r*.e* -> objects that start with e in modules starting in r | |
670 | %psearch r*.* string -> all strings in modules beginning with r |
|
669 | %psearch r*.* string -> all strings in modules beginning with r | |
671 |
|
670 | |||
672 | Case sensitve search: |
|
671 | Case sensitve search: | |
673 |
|
672 | |||
674 | %psearch -c a* list all object beginning with lower case a |
|
673 | %psearch -c a* list all object beginning with lower case a | |
675 |
|
674 | |||
676 | Show objects beginning with a single _: |
|
675 | Show objects beginning with a single _: | |
677 |
|
676 | |||
678 | %psearch -a _* list objects beginning with a single underscore""" |
|
677 | %psearch -a _* list objects beginning with a single underscore""" | |
679 | try: |
|
678 | try: | |
680 | parameter_s.encode('ascii') |
|
679 | parameter_s.encode('ascii') | |
681 | except UnicodeEncodeError: |
|
680 | except UnicodeEncodeError: | |
682 | print 'Python identifiers can only contain ascii characters.' |
|
681 | print 'Python identifiers can only contain ascii characters.' | |
683 | return |
|
682 | return | |
684 |
|
683 | |||
685 | # default namespaces to be searched |
|
684 | # default namespaces to be searched | |
686 | def_search = ['user','builtin'] |
|
685 | def_search = ['user','builtin'] | |
687 |
|
686 | |||
688 | # Process options/args |
|
687 | # Process options/args | |
689 | opts,args = self.parse_options(parameter_s,'cias:e:',list_all=True) |
|
688 | opts,args = self.parse_options(parameter_s,'cias:e:',list_all=True) | |
690 | opt = opts.get |
|
689 | opt = opts.get | |
691 | shell = self.shell |
|
690 | shell = self.shell | |
692 | psearch = shell.inspector.psearch |
|
691 | psearch = shell.inspector.psearch | |
693 |
|
692 | |||
694 | # select case options |
|
693 | # select case options | |
695 | if opts.has_key('i'): |
|
694 | if opts.has_key('i'): | |
696 | ignore_case = True |
|
695 | ignore_case = True | |
697 | elif opts.has_key('c'): |
|
696 | elif opts.has_key('c'): | |
698 | ignore_case = False |
|
697 | ignore_case = False | |
699 | else: |
|
698 | else: | |
700 | ignore_case = not shell.wildcards_case_sensitive |
|
699 | ignore_case = not shell.wildcards_case_sensitive | |
701 |
|
700 | |||
702 | # Build list of namespaces to search from user options |
|
701 | # Build list of namespaces to search from user options | |
703 | def_search.extend(opt('s',[])) |
|
702 | def_search.extend(opt('s',[])) | |
704 | ns_exclude = ns_exclude=opt('e',[]) |
|
703 | ns_exclude = ns_exclude=opt('e',[]) | |
705 | ns_search = [nm for nm in def_search if nm not in ns_exclude] |
|
704 | ns_search = [nm for nm in def_search if nm not in ns_exclude] | |
706 |
|
705 | |||
707 | # Call the actual search |
|
706 | # Call the actual search | |
708 | try: |
|
707 | try: | |
709 | psearch(args,shell.ns_table,ns_search, |
|
708 | psearch(args,shell.ns_table,ns_search, | |
710 | show_all=opt('a'),ignore_case=ignore_case) |
|
709 | show_all=opt('a'),ignore_case=ignore_case) | |
711 | except: |
|
710 | except: | |
712 | shell.showtraceback() |
|
711 | shell.showtraceback() | |
713 |
|
712 | |||
714 | @skip_doctest |
|
713 | @skip_doctest | |
715 | def magic_who_ls(self, parameter_s=''): |
|
714 | def magic_who_ls(self, parameter_s=''): | |
716 | """Return a sorted list of all interactive variables. |
|
715 | """Return a sorted list of all interactive variables. | |
717 |
|
716 | |||
718 | If arguments are given, only variables of types matching these |
|
717 | If arguments are given, only variables of types matching these | |
719 | arguments are returned. |
|
718 | arguments are returned. | |
720 |
|
719 | |||
721 | Examples |
|
720 | Examples | |
722 | -------- |
|
721 | -------- | |
723 |
|
722 | |||
724 | Define two variables and list them with who_ls:: |
|
723 | Define two variables and list them with who_ls:: | |
725 |
|
724 | |||
726 | In [1]: alpha = 123 |
|
725 | In [1]: alpha = 123 | |
727 |
|
726 | |||
728 | In [2]: beta = 'test' |
|
727 | In [2]: beta = 'test' | |
729 |
|
728 | |||
730 | In [3]: %who_ls |
|
729 | In [3]: %who_ls | |
731 | Out[3]: ['alpha', 'beta'] |
|
730 | Out[3]: ['alpha', 'beta'] | |
732 |
|
731 | |||
733 | In [4]: %who_ls int |
|
732 | In [4]: %who_ls int | |
734 | Out[4]: ['alpha'] |
|
733 | Out[4]: ['alpha'] | |
735 |
|
734 | |||
736 | In [5]: %who_ls str |
|
735 | In [5]: %who_ls str | |
737 | Out[5]: ['beta'] |
|
736 | Out[5]: ['beta'] | |
738 | """ |
|
737 | """ | |
739 |
|
738 | |||
740 | user_ns = self.shell.user_ns |
|
739 | user_ns = self.shell.user_ns | |
741 | internal_ns = self.shell.internal_ns |
|
740 | internal_ns = self.shell.internal_ns | |
742 | user_ns_hidden = self.shell.user_ns_hidden |
|
741 | user_ns_hidden = self.shell.user_ns_hidden | |
743 | out = [ i for i in user_ns |
|
742 | out = [ i for i in user_ns | |
744 | if not i.startswith('_') \ |
|
743 | if not i.startswith('_') \ | |
745 | and not (i in internal_ns or i in user_ns_hidden) ] |
|
744 | and not (i in internal_ns or i in user_ns_hidden) ] | |
746 |
|
745 | |||
747 | typelist = parameter_s.split() |
|
746 | typelist = parameter_s.split() | |
748 | if typelist: |
|
747 | if typelist: | |
749 | typeset = set(typelist) |
|
748 | typeset = set(typelist) | |
750 | out = [i for i in out if type(user_ns[i]).__name__ in typeset] |
|
749 | out = [i for i in out if type(user_ns[i]).__name__ in typeset] | |
751 |
|
750 | |||
752 | out.sort() |
|
751 | out.sort() | |
753 | return out |
|
752 | return out | |
754 |
|
753 | |||
755 | @skip_doctest |
|
754 | @skip_doctest | |
756 | def magic_who(self, parameter_s=''): |
|
755 | def magic_who(self, parameter_s=''): | |
757 | """Print all interactive variables, with some minimal formatting. |
|
756 | """Print all interactive variables, with some minimal formatting. | |
758 |
|
757 | |||
759 | If any arguments are given, only variables whose type matches one of |
|
758 | If any arguments are given, only variables whose type matches one of | |
760 | these are printed. For example: |
|
759 | these are printed. For example: | |
761 |
|
760 | |||
762 | %who function str |
|
761 | %who function str | |
763 |
|
762 | |||
764 | will only list functions and strings, excluding all other types of |
|
763 | will only list functions and strings, excluding all other types of | |
765 | variables. To find the proper type names, simply use type(var) at a |
|
764 | variables. To find the proper type names, simply use type(var) at a | |
766 | command line to see how python prints type names. For example: |
|
765 | command line to see how python prints type names. For example: | |
767 |
|
766 | |||
768 | In [1]: type('hello')\\ |
|
767 | In [1]: type('hello')\\ | |
769 | Out[1]: <type 'str'> |
|
768 | Out[1]: <type 'str'> | |
770 |
|
769 | |||
771 | indicates that the type name for strings is 'str'. |
|
770 | indicates that the type name for strings is 'str'. | |
772 |
|
771 | |||
773 | %who always excludes executed names loaded through your configuration |
|
772 | %who always excludes executed names loaded through your configuration | |
774 | file and things which are internal to IPython. |
|
773 | file and things which are internal to IPython. | |
775 |
|
774 | |||
776 | This is deliberate, as typically you may load many modules and the |
|
775 | This is deliberate, as typically you may load many modules and the | |
777 | purpose of %who is to show you only what you've manually defined. |
|
776 | purpose of %who is to show you only what you've manually defined. | |
778 |
|
777 | |||
779 | Examples |
|
778 | Examples | |
780 | -------- |
|
779 | -------- | |
781 |
|
780 | |||
782 | Define two variables and list them with who:: |
|
781 | Define two variables and list them with who:: | |
783 |
|
782 | |||
784 | In [1]: alpha = 123 |
|
783 | In [1]: alpha = 123 | |
785 |
|
784 | |||
786 | In [2]: beta = 'test' |
|
785 | In [2]: beta = 'test' | |
787 |
|
786 | |||
788 | In [3]: %who |
|
787 | In [3]: %who | |
789 | alpha beta |
|
788 | alpha beta | |
790 |
|
789 | |||
791 | In [4]: %who int |
|
790 | In [4]: %who int | |
792 | alpha |
|
791 | alpha | |
793 |
|
792 | |||
794 | In [5]: %who str |
|
793 | In [5]: %who str | |
795 | beta |
|
794 | beta | |
796 | """ |
|
795 | """ | |
797 |
|
796 | |||
798 | varlist = self.magic_who_ls(parameter_s) |
|
797 | varlist = self.magic_who_ls(parameter_s) | |
799 | if not varlist: |
|
798 | if not varlist: | |
800 | if parameter_s: |
|
799 | if parameter_s: | |
801 | print 'No variables match your requested type.' |
|
800 | print 'No variables match your requested type.' | |
802 | else: |
|
801 | else: | |
803 | print 'Interactive namespace is empty.' |
|
802 | print 'Interactive namespace is empty.' | |
804 | return |
|
803 | return | |
805 |
|
804 | |||
806 | # if we have variables, move on... |
|
805 | # if we have variables, move on... | |
807 | count = 0 |
|
806 | count = 0 | |
808 | for i in varlist: |
|
807 | for i in varlist: | |
809 | print i+'\t', |
|
808 | print i+'\t', | |
810 | count += 1 |
|
809 | count += 1 | |
811 | if count > 8: |
|
810 | if count > 8: | |
812 | count = 0 |
|
811 | count = 0 | |
813 |
|
812 | |||
814 |
|
813 | |||
815 |
|
814 | |||
816 | @skip_doctest |
|
815 | @skip_doctest | |
817 | def magic_whos(self, parameter_s=''): |
|
816 | def magic_whos(self, parameter_s=''): | |
818 | """Like %who, but gives some extra information about each variable. |
|
817 | """Like %who, but gives some extra information about each variable. | |
819 |
|
818 | |||
820 | The same type filtering of %who can be applied here. |
|
819 | The same type filtering of %who can be applied here. | |
821 |
|
820 | |||
822 | For all variables, the type is printed. Additionally it prints: |
|
821 | For all variables, the type is printed. Additionally it prints: | |
823 |
|
822 | |||
824 | - For {},[],(): their length. |
|
823 | - For {},[],(): their length. | |
825 |
|
824 | |||
826 | - For numpy arrays, a summary with shape, number of |
|
825 | - For numpy arrays, a summary with shape, number of | |
827 | elements, typecode and size in memory. |
|
826 | elements, typecode and size in memory. | |
828 |
|
827 | |||
829 | - Everything else: a string representation, snipping their middle if |
|
828 | - Everything else: a string representation, snipping their middle if | |
830 | too long. |
|
829 | too long. | |
831 |
|
830 | |||
832 | Examples |
|
831 | Examples | |
833 | -------- |
|
832 | -------- | |
834 |
|
833 | |||
835 | Define two variables and list them with whos:: |
|
834 | Define two variables and list them with whos:: | |
836 |
|
835 | |||
837 | In [1]: alpha = 123 |
|
836 | In [1]: alpha = 123 | |
838 |
|
837 | |||
839 | In [2]: beta = 'test' |
|
838 | In [2]: beta = 'test' | |
840 |
|
839 | |||
841 | In [3]: %whos |
|
840 | In [3]: %whos | |
842 | Variable Type Data/Info |
|
841 | Variable Type Data/Info | |
843 | -------------------------------- |
|
842 | -------------------------------- | |
844 | alpha int 123 |
|
843 | alpha int 123 | |
845 | beta str test |
|
844 | beta str test | |
846 | """ |
|
845 | """ | |
847 |
|
846 | |||
848 | varnames = self.magic_who_ls(parameter_s) |
|
847 | varnames = self.magic_who_ls(parameter_s) | |
849 | if not varnames: |
|
848 | if not varnames: | |
850 | if parameter_s: |
|
849 | if parameter_s: | |
851 | print 'No variables match your requested type.' |
|
850 | print 'No variables match your requested type.' | |
852 | else: |
|
851 | else: | |
853 | print 'Interactive namespace is empty.' |
|
852 | print 'Interactive namespace is empty.' | |
854 | return |
|
853 | return | |
855 |
|
854 | |||
856 | # if we have variables, move on... |
|
855 | # if we have variables, move on... | |
857 |
|
856 | |||
858 | # for these types, show len() instead of data: |
|
857 | # for these types, show len() instead of data: | |
859 | seq_types = ['dict', 'list', 'tuple'] |
|
858 | seq_types = ['dict', 'list', 'tuple'] | |
860 |
|
859 | |||
861 | # for numpy/Numeric arrays, display summary info |
|
860 | # for numpy/Numeric arrays, display summary info | |
862 | try: |
|
861 | try: | |
863 | import numpy |
|
862 | import numpy | |
864 | except ImportError: |
|
863 | except ImportError: | |
865 | ndarray_type = None |
|
864 | ndarray_type = None | |
866 | else: |
|
865 | else: | |
867 | ndarray_type = numpy.ndarray.__name__ |
|
866 | ndarray_type = numpy.ndarray.__name__ | |
868 | try: |
|
867 | try: | |
869 | import Numeric |
|
868 | import Numeric | |
870 | except ImportError: |
|
869 | except ImportError: | |
871 | array_type = None |
|
870 | array_type = None | |
872 | else: |
|
871 | else: | |
873 | array_type = Numeric.ArrayType.__name__ |
|
872 | array_type = Numeric.ArrayType.__name__ | |
874 |
|
873 | |||
875 | # Find all variable names and types so we can figure out column sizes |
|
874 | # Find all variable names and types so we can figure out column sizes | |
876 | def get_vars(i): |
|
875 | def get_vars(i): | |
877 | return self.shell.user_ns[i] |
|
876 | return self.shell.user_ns[i] | |
878 |
|
877 | |||
879 | # some types are well known and can be shorter |
|
878 | # some types are well known and can be shorter | |
880 | abbrevs = {'IPython.core.macro.Macro' : 'Macro'} |
|
879 | abbrevs = {'IPython.core.macro.Macro' : 'Macro'} | |
881 | def type_name(v): |
|
880 | def type_name(v): | |
882 | tn = type(v).__name__ |
|
881 | tn = type(v).__name__ | |
883 | return abbrevs.get(tn,tn) |
|
882 | return abbrevs.get(tn,tn) | |
884 |
|
883 | |||
885 | varlist = map(get_vars,varnames) |
|
884 | varlist = map(get_vars,varnames) | |
886 |
|
885 | |||
887 | typelist = [] |
|
886 | typelist = [] | |
888 | for vv in varlist: |
|
887 | for vv in varlist: | |
889 | tt = type_name(vv) |
|
888 | tt = type_name(vv) | |
890 |
|
889 | |||
891 | if tt=='instance': |
|
890 | if tt=='instance': | |
892 | typelist.append( abbrevs.get(str(vv.__class__), |
|
891 | typelist.append( abbrevs.get(str(vv.__class__), | |
893 | str(vv.__class__))) |
|
892 | str(vv.__class__))) | |
894 | else: |
|
893 | else: | |
895 | typelist.append(tt) |
|
894 | typelist.append(tt) | |
896 |
|
895 | |||
897 | # column labels and # of spaces as separator |
|
896 | # column labels and # of spaces as separator | |
898 | varlabel = 'Variable' |
|
897 | varlabel = 'Variable' | |
899 | typelabel = 'Type' |
|
898 | typelabel = 'Type' | |
900 | datalabel = 'Data/Info' |
|
899 | datalabel = 'Data/Info' | |
901 | colsep = 3 |
|
900 | colsep = 3 | |
902 | # variable format strings |
|
901 | # variable format strings | |
903 | vformat = "{0:<{varwidth}}{1:<{typewidth}}" |
|
902 | vformat = "{0:<{varwidth}}{1:<{typewidth}}" | |
904 | aformat = "%s: %s elems, type `%s`, %s bytes" |
|
903 | aformat = "%s: %s elems, type `%s`, %s bytes" | |
905 | # find the size of the columns to format the output nicely |
|
904 | # find the size of the columns to format the output nicely | |
906 | varwidth = max(max(map(len,varnames)), len(varlabel)) + colsep |
|
905 | varwidth = max(max(map(len,varnames)), len(varlabel)) + colsep | |
907 | typewidth = max(max(map(len,typelist)), len(typelabel)) + colsep |
|
906 | typewidth = max(max(map(len,typelist)), len(typelabel)) + colsep | |
908 | # table header |
|
907 | # table header | |
909 | print varlabel.ljust(varwidth) + typelabel.ljust(typewidth) + \ |
|
908 | print varlabel.ljust(varwidth) + typelabel.ljust(typewidth) + \ | |
910 | ' '+datalabel+'\n' + '-'*(varwidth+typewidth+len(datalabel)+1) |
|
909 | ' '+datalabel+'\n' + '-'*(varwidth+typewidth+len(datalabel)+1) | |
911 | # and the table itself |
|
910 | # and the table itself | |
912 | kb = 1024 |
|
911 | kb = 1024 | |
913 | Mb = 1048576 # kb**2 |
|
912 | Mb = 1048576 # kb**2 | |
914 | for vname,var,vtype in zip(varnames,varlist,typelist): |
|
913 | for vname,var,vtype in zip(varnames,varlist,typelist): | |
915 | print vformat.format(vname, vtype, varwidth=varwidth, typewidth=typewidth), |
|
914 | print vformat.format(vname, vtype, varwidth=varwidth, typewidth=typewidth), | |
916 | if vtype in seq_types: |
|
915 | if vtype in seq_types: | |
917 | print "n="+str(len(var)) |
|
916 | print "n="+str(len(var)) | |
918 | elif vtype in [array_type,ndarray_type]: |
|
917 | elif vtype in [array_type,ndarray_type]: | |
919 | vshape = str(var.shape).replace(',','').replace(' ','x')[1:-1] |
|
918 | vshape = str(var.shape).replace(',','').replace(' ','x')[1:-1] | |
920 | if vtype==ndarray_type: |
|
919 | if vtype==ndarray_type: | |
921 | # numpy |
|
920 | # numpy | |
922 | vsize = var.size |
|
921 | vsize = var.size | |
923 | vbytes = vsize*var.itemsize |
|
922 | vbytes = vsize*var.itemsize | |
924 | vdtype = var.dtype |
|
923 | vdtype = var.dtype | |
925 | else: |
|
924 | else: | |
926 | # Numeric |
|
925 | # Numeric | |
927 | vsize = Numeric.size(var) |
|
926 | vsize = Numeric.size(var) | |
928 | vbytes = vsize*var.itemsize() |
|
927 | vbytes = vsize*var.itemsize() | |
929 | vdtype = var.typecode() |
|
928 | vdtype = var.typecode() | |
930 |
|
929 | |||
931 | if vbytes < 100000: |
|
930 | if vbytes < 100000: | |
932 | print aformat % (vshape,vsize,vdtype,vbytes) |
|
931 | print aformat % (vshape,vsize,vdtype,vbytes) | |
933 | else: |
|
932 | else: | |
934 | print aformat % (vshape,vsize,vdtype,vbytes), |
|
933 | print aformat % (vshape,vsize,vdtype,vbytes), | |
935 | if vbytes < Mb: |
|
934 | if vbytes < Mb: | |
936 | print '(%s kb)' % (vbytes/kb,) |
|
935 | print '(%s kb)' % (vbytes/kb,) | |
937 | else: |
|
936 | else: | |
938 | print '(%s Mb)' % (vbytes/Mb,) |
|
937 | print '(%s Mb)' % (vbytes/Mb,) | |
939 | else: |
|
938 | else: | |
940 | try: |
|
939 | try: | |
941 | vstr = str(var) |
|
940 | vstr = str(var) | |
942 | except UnicodeEncodeError: |
|
941 | except UnicodeEncodeError: | |
943 | vstr = unicode(var).encode(sys.getdefaultencoding(), |
|
942 | vstr = unicode(var).encode(sys.getdefaultencoding(), | |
944 | 'backslashreplace') |
|
943 | 'backslashreplace') | |
945 | vstr = vstr.replace('\n','\\n') |
|
944 | vstr = vstr.replace('\n','\\n') | |
946 | if len(vstr) < 50: |
|
945 | if len(vstr) < 50: | |
947 | print vstr |
|
946 | print vstr | |
948 | else: |
|
947 | else: | |
949 | print vstr[:25] + "<...>" + vstr[-25:] |
|
948 | print vstr[:25] + "<...>" + vstr[-25:] | |
950 |
|
949 | |||
951 | def magic_reset(self, parameter_s=''): |
|
950 | def magic_reset(self, parameter_s=''): | |
952 | """Resets the namespace by removing all names defined by the user. |
|
951 | """Resets the namespace by removing all names defined by the user. | |
953 |
|
952 | |||
954 | Parameters |
|
953 | Parameters | |
955 | ---------- |
|
954 | ---------- | |
956 | -f : force reset without asking for confirmation. |
|
955 | -f : force reset without asking for confirmation. | |
957 |
|
956 | |||
958 | -s : 'Soft' reset: Only clears your namespace, leaving history intact. |
|
957 | -s : 'Soft' reset: Only clears your namespace, leaving history intact. | |
959 | References to objects may be kept. By default (without this option), |
|
958 | References to objects may be kept. By default (without this option), | |
960 | we do a 'hard' reset, giving you a new session and removing all |
|
959 | we do a 'hard' reset, giving you a new session and removing all | |
961 | references to objects from the current session. |
|
960 | references to objects from the current session. | |
962 |
|
961 | |||
963 | Examples |
|
962 | Examples | |
964 | -------- |
|
963 | -------- | |
965 | In [6]: a = 1 |
|
964 | In [6]: a = 1 | |
966 |
|
965 | |||
967 | In [7]: a |
|
966 | In [7]: a | |
968 | Out[7]: 1 |
|
967 | Out[7]: 1 | |
969 |
|
968 | |||
970 | In [8]: 'a' in _ip.user_ns |
|
969 | In [8]: 'a' in _ip.user_ns | |
971 | Out[8]: True |
|
970 | Out[8]: True | |
972 |
|
971 | |||
973 | In [9]: %reset -f |
|
972 | In [9]: %reset -f | |
974 |
|
973 | |||
975 | In [1]: 'a' in _ip.user_ns |
|
974 | In [1]: 'a' in _ip.user_ns | |
976 | Out[1]: False |
|
975 | Out[1]: False | |
977 | """ |
|
976 | """ | |
978 | opts, args = self.parse_options(parameter_s,'sf') |
|
977 | opts, args = self.parse_options(parameter_s,'sf') | |
979 | if 'f' in opts: |
|
978 | if 'f' in opts: | |
980 | ans = True |
|
979 | ans = True | |
981 | else: |
|
980 | else: | |
982 | ans = self.shell.ask_yes_no( |
|
981 | ans = self.shell.ask_yes_no( | |
983 | "Once deleted, variables cannot be recovered. Proceed (y/[n])? ") |
|
982 | "Once deleted, variables cannot be recovered. Proceed (y/[n])? ") | |
984 | if not ans: |
|
983 | if not ans: | |
985 | print 'Nothing done.' |
|
984 | print 'Nothing done.' | |
986 | return |
|
985 | return | |
987 |
|
986 | |||
988 | if 's' in opts: # Soft reset |
|
987 | if 's' in opts: # Soft reset | |
989 | user_ns = self.shell.user_ns |
|
988 | user_ns = self.shell.user_ns | |
990 | for i in self.magic_who_ls(): |
|
989 | for i in self.magic_who_ls(): | |
991 | del(user_ns[i]) |
|
990 | del(user_ns[i]) | |
992 |
|
991 | |||
993 | else: # Hard reset |
|
992 | else: # Hard reset | |
994 | self.shell.reset(new_session = False) |
|
993 | self.shell.reset(new_session = False) | |
995 |
|
994 | |||
996 |
|
995 | |||
997 |
|
996 | |||
998 | def magic_reset_selective(self, parameter_s=''): |
|
997 | def magic_reset_selective(self, parameter_s=''): | |
999 | """Resets the namespace by removing names defined by the user. |
|
998 | """Resets the namespace by removing names defined by the user. | |
1000 |
|
999 | |||
1001 | Input/Output history are left around in case you need them. |
|
1000 | Input/Output history are left around in case you need them. | |
1002 |
|
1001 | |||
1003 | %reset_selective [-f] regex |
|
1002 | %reset_selective [-f] regex | |
1004 |
|
1003 | |||
1005 | No action is taken if regex is not included |
|
1004 | No action is taken if regex is not included | |
1006 |
|
1005 | |||
1007 | Options |
|
1006 | Options | |
1008 | -f : force reset without asking for confirmation. |
|
1007 | -f : force reset without asking for confirmation. | |
1009 |
|
1008 | |||
1010 | Examples |
|
1009 | Examples | |
1011 | -------- |
|
1010 | -------- | |
1012 |
|
1011 | |||
1013 | We first fully reset the namespace so your output looks identical to |
|
1012 | We first fully reset the namespace so your output looks identical to | |
1014 | this example for pedagogical reasons; in practice you do not need a |
|
1013 | this example for pedagogical reasons; in practice you do not need a | |
1015 | full reset. |
|
1014 | full reset. | |
1016 |
|
1015 | |||
1017 | In [1]: %reset -f |
|
1016 | In [1]: %reset -f | |
1018 |
|
1017 | |||
1019 | Now, with a clean namespace we can make a few variables and use |
|
1018 | Now, with a clean namespace we can make a few variables and use | |
1020 | %reset_selective to only delete names that match our regexp: |
|
1019 | %reset_selective to only delete names that match our regexp: | |
1021 |
|
1020 | |||
1022 | In [2]: a=1; b=2; c=3; b1m=4; b2m=5; b3m=6; b4m=7; b2s=8 |
|
1021 | In [2]: a=1; b=2; c=3; b1m=4; b2m=5; b3m=6; b4m=7; b2s=8 | |
1023 |
|
1022 | |||
1024 | In [3]: who_ls |
|
1023 | In [3]: who_ls | |
1025 | Out[3]: ['a', 'b', 'b1m', 'b2m', 'b2s', 'b3m', 'b4m', 'c'] |
|
1024 | Out[3]: ['a', 'b', 'b1m', 'b2m', 'b2s', 'b3m', 'b4m', 'c'] | |
1026 |
|
1025 | |||
1027 | In [4]: %reset_selective -f b[2-3]m |
|
1026 | In [4]: %reset_selective -f b[2-3]m | |
1028 |
|
1027 | |||
1029 | In [5]: who_ls |
|
1028 | In [5]: who_ls | |
1030 | Out[5]: ['a', 'b', 'b1m', 'b2s', 'b4m', 'c'] |
|
1029 | Out[5]: ['a', 'b', 'b1m', 'b2s', 'b4m', 'c'] | |
1031 |
|
1030 | |||
1032 | In [6]: %reset_selective -f d |
|
1031 | In [6]: %reset_selective -f d | |
1033 |
|
1032 | |||
1034 | In [7]: who_ls |
|
1033 | In [7]: who_ls | |
1035 | Out[7]: ['a', 'b', 'b1m', 'b2s', 'b4m', 'c'] |
|
1034 | Out[7]: ['a', 'b', 'b1m', 'b2s', 'b4m', 'c'] | |
1036 |
|
1035 | |||
1037 | In [8]: %reset_selective -f c |
|
1036 | In [8]: %reset_selective -f c | |
1038 |
|
1037 | |||
1039 | In [9]: who_ls |
|
1038 | In [9]: who_ls | |
1040 | Out[9]: ['a', 'b', 'b1m', 'b2s', 'b4m'] |
|
1039 | Out[9]: ['a', 'b', 'b1m', 'b2s', 'b4m'] | |
1041 |
|
1040 | |||
1042 | In [10]: %reset_selective -f b |
|
1041 | In [10]: %reset_selective -f b | |
1043 |
|
1042 | |||
1044 | In [11]: who_ls |
|
1043 | In [11]: who_ls | |
1045 | Out[11]: ['a'] |
|
1044 | Out[11]: ['a'] | |
1046 | """ |
|
1045 | """ | |
1047 |
|
1046 | |||
1048 | opts, regex = self.parse_options(parameter_s,'f') |
|
1047 | opts, regex = self.parse_options(parameter_s,'f') | |
1049 |
|
1048 | |||
1050 | if opts.has_key('f'): |
|
1049 | if opts.has_key('f'): | |
1051 | ans = True |
|
1050 | ans = True | |
1052 | else: |
|
1051 | else: | |
1053 | ans = self.shell.ask_yes_no( |
|
1052 | ans = self.shell.ask_yes_no( | |
1054 | "Once deleted, variables cannot be recovered. Proceed (y/[n])? ") |
|
1053 | "Once deleted, variables cannot be recovered. Proceed (y/[n])? ") | |
1055 | if not ans: |
|
1054 | if not ans: | |
1056 | print 'Nothing done.' |
|
1055 | print 'Nothing done.' | |
1057 | return |
|
1056 | return | |
1058 | user_ns = self.shell.user_ns |
|
1057 | user_ns = self.shell.user_ns | |
1059 | if not regex: |
|
1058 | if not regex: | |
1060 | print 'No regex pattern specified. Nothing done.' |
|
1059 | print 'No regex pattern specified. Nothing done.' | |
1061 | return |
|
1060 | return | |
1062 | else: |
|
1061 | else: | |
1063 | try: |
|
1062 | try: | |
1064 | m = re.compile(regex) |
|
1063 | m = re.compile(regex) | |
1065 | except TypeError: |
|
1064 | except TypeError: | |
1066 | raise TypeError('regex must be a string or compiled pattern') |
|
1065 | raise TypeError('regex must be a string or compiled pattern') | |
1067 | for i in self.magic_who_ls(): |
|
1066 | for i in self.magic_who_ls(): | |
1068 | if m.search(i): |
|
1067 | if m.search(i): | |
1069 | del(user_ns[i]) |
|
1068 | del(user_ns[i]) | |
1070 |
|
1069 | |||
1071 | def magic_xdel(self, parameter_s=''): |
|
1070 | def magic_xdel(self, parameter_s=''): | |
1072 | """Delete a variable, trying to clear it from anywhere that |
|
1071 | """Delete a variable, trying to clear it from anywhere that | |
1073 | IPython's machinery has references to it. By default, this uses |
|
1072 | IPython's machinery has references to it. By default, this uses | |
1074 | the identity of the named object in the user namespace to remove |
|
1073 | the identity of the named object in the user namespace to remove | |
1075 | references held under other names. The object is also removed |
|
1074 | references held under other names. The object is also removed | |
1076 | from the output history. |
|
1075 | from the output history. | |
1077 |
|
1076 | |||
1078 | Options |
|
1077 | Options | |
1079 | -n : Delete the specified name from all namespaces, without |
|
1078 | -n : Delete the specified name from all namespaces, without | |
1080 | checking their identity. |
|
1079 | checking their identity. | |
1081 | """ |
|
1080 | """ | |
1082 | opts, varname = self.parse_options(parameter_s,'n') |
|
1081 | opts, varname = self.parse_options(parameter_s,'n') | |
1083 | try: |
|
1082 | try: | |
1084 | self.shell.del_var(varname, ('n' in opts)) |
|
1083 | self.shell.del_var(varname, ('n' in opts)) | |
1085 | except (NameError, ValueError) as e: |
|
1084 | except (NameError, ValueError) as e: | |
1086 | print type(e).__name__ +": "+ str(e) |
|
1085 | print type(e).__name__ +": "+ str(e) | |
1087 |
|
1086 | |||
1088 | def magic_logstart(self,parameter_s=''): |
|
1087 | def magic_logstart(self,parameter_s=''): | |
1089 | """Start logging anywhere in a session. |
|
1088 | """Start logging anywhere in a session. | |
1090 |
|
1089 | |||
1091 | %logstart [-o|-r|-t] [log_name [log_mode]] |
|
1090 | %logstart [-o|-r|-t] [log_name [log_mode]] | |
1092 |
|
1091 | |||
1093 | If no name is given, it defaults to a file named 'ipython_log.py' in your |
|
1092 | If no name is given, it defaults to a file named 'ipython_log.py' in your | |
1094 | current directory, in 'rotate' mode (see below). |
|
1093 | current directory, in 'rotate' mode (see below). | |
1095 |
|
1094 | |||
1096 | '%logstart name' saves to file 'name' in 'backup' mode. It saves your |
|
1095 | '%logstart name' saves to file 'name' in 'backup' mode. It saves your | |
1097 | history up to that point and then continues logging. |
|
1096 | history up to that point and then continues logging. | |
1098 |
|
1097 | |||
1099 | %logstart takes a second optional parameter: logging mode. This can be one |
|
1098 | %logstart takes a second optional parameter: logging mode. This can be one | |
1100 | of (note that the modes are given unquoted):\\ |
|
1099 | of (note that the modes are given unquoted):\\ | |
1101 | append: well, that says it.\\ |
|
1100 | append: well, that says it.\\ | |
1102 | backup: rename (if exists) to name~ and start name.\\ |
|
1101 | backup: rename (if exists) to name~ and start name.\\ | |
1103 | global: single logfile in your home dir, appended to.\\ |
|
1102 | global: single logfile in your home dir, appended to.\\ | |
1104 | over : overwrite existing log.\\ |
|
1103 | over : overwrite existing log.\\ | |
1105 | rotate: create rotating logs name.1~, name.2~, etc. |
|
1104 | rotate: create rotating logs name.1~, name.2~, etc. | |
1106 |
|
1105 | |||
1107 | Options: |
|
1106 | Options: | |
1108 |
|
1107 | |||
1109 | -o: log also IPython's output. In this mode, all commands which |
|
1108 | -o: log also IPython's output. In this mode, all commands which | |
1110 | generate an Out[NN] prompt are recorded to the logfile, right after |
|
1109 | generate an Out[NN] prompt are recorded to the logfile, right after | |
1111 | their corresponding input line. The output lines are always |
|
1110 | their corresponding input line. The output lines are always | |
1112 | prepended with a '#[Out]# ' marker, so that the log remains valid |
|
1111 | prepended with a '#[Out]# ' marker, so that the log remains valid | |
1113 | Python code. |
|
1112 | Python code. | |
1114 |
|
1113 | |||
1115 | Since this marker is always the same, filtering only the output from |
|
1114 | Since this marker is always the same, filtering only the output from | |
1116 | a log is very easy, using for example a simple awk call: |
|
1115 | a log is very easy, using for example a simple awk call: | |
1117 |
|
1116 | |||
1118 | awk -F'#\\[Out\\]# ' '{if($2) {print $2}}' ipython_log.py |
|
1117 | awk -F'#\\[Out\\]# ' '{if($2) {print $2}}' ipython_log.py | |
1119 |
|
1118 | |||
1120 | -r: log 'raw' input. Normally, IPython's logs contain the processed |
|
1119 | -r: log 'raw' input. Normally, IPython's logs contain the processed | |
1121 | input, so that user lines are logged in their final form, converted |
|
1120 | input, so that user lines are logged in their final form, converted | |
1122 | into valid Python. For example, %Exit is logged as |
|
1121 | into valid Python. For example, %Exit is logged as | |
1123 | '_ip.magic("Exit"). If the -r flag is given, all input is logged |
|
1122 | '_ip.magic("Exit"). If the -r flag is given, all input is logged | |
1124 | exactly as typed, with no transformations applied. |
|
1123 | exactly as typed, with no transformations applied. | |
1125 |
|
1124 | |||
1126 | -t: put timestamps before each input line logged (these are put in |
|
1125 | -t: put timestamps before each input line logged (these are put in | |
1127 | comments).""" |
|
1126 | comments).""" | |
1128 |
|
1127 | |||
1129 | opts,par = self.parse_options(parameter_s,'ort') |
|
1128 | opts,par = self.parse_options(parameter_s,'ort') | |
1130 | log_output = 'o' in opts |
|
1129 | log_output = 'o' in opts | |
1131 | log_raw_input = 'r' in opts |
|
1130 | log_raw_input = 'r' in opts | |
1132 | timestamp = 't' in opts |
|
1131 | timestamp = 't' in opts | |
1133 |
|
1132 | |||
1134 | logger = self.shell.logger |
|
1133 | logger = self.shell.logger | |
1135 |
|
1134 | |||
1136 | # if no args are given, the defaults set in the logger constructor by |
|
1135 | # if no args are given, the defaults set in the logger constructor by | |
1137 | # ipytohn remain valid |
|
1136 | # ipytohn remain valid | |
1138 | if par: |
|
1137 | if par: | |
1139 | try: |
|
1138 | try: | |
1140 | logfname,logmode = par.split() |
|
1139 | logfname,logmode = par.split() | |
1141 | except: |
|
1140 | except: | |
1142 | logfname = par |
|
1141 | logfname = par | |
1143 | logmode = 'backup' |
|
1142 | logmode = 'backup' | |
1144 | else: |
|
1143 | else: | |
1145 | logfname = logger.logfname |
|
1144 | logfname = logger.logfname | |
1146 | logmode = logger.logmode |
|
1145 | logmode = logger.logmode | |
1147 | # put logfname into rc struct as if it had been called on the command |
|
1146 | # put logfname into rc struct as if it had been called on the command | |
1148 | # line, so it ends up saved in the log header Save it in case we need |
|
1147 | # line, so it ends up saved in the log header Save it in case we need | |
1149 | # to restore it... |
|
1148 | # to restore it... | |
1150 | old_logfile = self.shell.logfile |
|
1149 | old_logfile = self.shell.logfile | |
1151 | if logfname: |
|
1150 | if logfname: | |
1152 | logfname = os.path.expanduser(logfname) |
|
1151 | logfname = os.path.expanduser(logfname) | |
1153 | self.shell.logfile = logfname |
|
1152 | self.shell.logfile = logfname | |
1154 |
|
1153 | |||
1155 | loghead = '# IPython log file\n\n' |
|
1154 | loghead = '# IPython log file\n\n' | |
1156 | try: |
|
1155 | try: | |
1157 | started = logger.logstart(logfname,loghead,logmode, |
|
1156 | started = logger.logstart(logfname,loghead,logmode, | |
1158 | log_output,timestamp,log_raw_input) |
|
1157 | log_output,timestamp,log_raw_input) | |
1159 | except: |
|
1158 | except: | |
1160 | self.shell.logfile = old_logfile |
|
1159 | self.shell.logfile = old_logfile | |
1161 | warn("Couldn't start log: %s" % sys.exc_info()[1]) |
|
1160 | warn("Couldn't start log: %s" % sys.exc_info()[1]) | |
1162 | else: |
|
1161 | else: | |
1163 | # log input history up to this point, optionally interleaving |
|
1162 | # log input history up to this point, optionally interleaving | |
1164 | # output if requested |
|
1163 | # output if requested | |
1165 |
|
1164 | |||
1166 | if timestamp: |
|
1165 | if timestamp: | |
1167 | # disable timestamping for the previous history, since we've |
|
1166 | # disable timestamping for the previous history, since we've | |
1168 | # lost those already (no time machine here). |
|
1167 | # lost those already (no time machine here). | |
1169 | logger.timestamp = False |
|
1168 | logger.timestamp = False | |
1170 |
|
1169 | |||
1171 | if log_raw_input: |
|
1170 | if log_raw_input: | |
1172 | input_hist = self.shell.history_manager.input_hist_raw |
|
1171 | input_hist = self.shell.history_manager.input_hist_raw | |
1173 | else: |
|
1172 | else: | |
1174 | input_hist = self.shell.history_manager.input_hist_parsed |
|
1173 | input_hist = self.shell.history_manager.input_hist_parsed | |
1175 |
|
1174 | |||
1176 | if log_output: |
|
1175 | if log_output: | |
1177 | log_write = logger.log_write |
|
1176 | log_write = logger.log_write | |
1178 | output_hist = self.shell.history_manager.output_hist |
|
1177 | output_hist = self.shell.history_manager.output_hist | |
1179 | for n in range(1,len(input_hist)-1): |
|
1178 | for n in range(1,len(input_hist)-1): | |
1180 | log_write(input_hist[n].rstrip() + '\n') |
|
1179 | log_write(input_hist[n].rstrip() + '\n') | |
1181 | if n in output_hist: |
|
1180 | if n in output_hist: | |
1182 | log_write(repr(output_hist[n]),'output') |
|
1181 | log_write(repr(output_hist[n]),'output') | |
1183 | else: |
|
1182 | else: | |
1184 | logger.log_write('\n'.join(input_hist[1:])) |
|
1183 | logger.log_write('\n'.join(input_hist[1:])) | |
1185 | logger.log_write('\n') |
|
1184 | logger.log_write('\n') | |
1186 | if timestamp: |
|
1185 | if timestamp: | |
1187 | # re-enable timestamping |
|
1186 | # re-enable timestamping | |
1188 | logger.timestamp = True |
|
1187 | logger.timestamp = True | |
1189 |
|
1188 | |||
1190 | print ('Activating auto-logging. ' |
|
1189 | print ('Activating auto-logging. ' | |
1191 | 'Current session state plus future input saved.') |
|
1190 | 'Current session state plus future input saved.') | |
1192 | logger.logstate() |
|
1191 | logger.logstate() | |
1193 |
|
1192 | |||
1194 | def magic_logstop(self,parameter_s=''): |
|
1193 | def magic_logstop(self,parameter_s=''): | |
1195 | """Fully stop logging and close log file. |
|
1194 | """Fully stop logging and close log file. | |
1196 |
|
1195 | |||
1197 | In order to start logging again, a new %logstart call needs to be made, |
|
1196 | In order to start logging again, a new %logstart call needs to be made, | |
1198 | possibly (though not necessarily) with a new filename, mode and other |
|
1197 | possibly (though not necessarily) with a new filename, mode and other | |
1199 | options.""" |
|
1198 | options.""" | |
1200 | self.logger.logstop() |
|
1199 | self.logger.logstop() | |
1201 |
|
1200 | |||
1202 | def magic_logoff(self,parameter_s=''): |
|
1201 | def magic_logoff(self,parameter_s=''): | |
1203 | """Temporarily stop logging. |
|
1202 | """Temporarily stop logging. | |
1204 |
|
1203 | |||
1205 | You must have previously started logging.""" |
|
1204 | You must have previously started logging.""" | |
1206 | self.shell.logger.switch_log(0) |
|
1205 | self.shell.logger.switch_log(0) | |
1207 |
|
1206 | |||
1208 | def magic_logon(self,parameter_s=''): |
|
1207 | def magic_logon(self,parameter_s=''): | |
1209 | """Restart logging. |
|
1208 | """Restart logging. | |
1210 |
|
1209 | |||
1211 | This function is for restarting logging which you've temporarily |
|
1210 | This function is for restarting logging which you've temporarily | |
1212 | stopped with %logoff. For starting logging for the first time, you |
|
1211 | stopped with %logoff. For starting logging for the first time, you | |
1213 | must use the %logstart function, which allows you to specify an |
|
1212 | must use the %logstart function, which allows you to specify an | |
1214 | optional log filename.""" |
|
1213 | optional log filename.""" | |
1215 |
|
1214 | |||
1216 | self.shell.logger.switch_log(1) |
|
1215 | self.shell.logger.switch_log(1) | |
1217 |
|
1216 | |||
1218 | def magic_logstate(self,parameter_s=''): |
|
1217 | def magic_logstate(self,parameter_s=''): | |
1219 | """Print the status of the logging system.""" |
|
1218 | """Print the status of the logging system.""" | |
1220 |
|
1219 | |||
1221 | self.shell.logger.logstate() |
|
1220 | self.shell.logger.logstate() | |
1222 |
|
1221 | |||
1223 | def magic_pdb(self, parameter_s=''): |
|
1222 | def magic_pdb(self, parameter_s=''): | |
1224 | """Control the automatic calling of the pdb interactive debugger. |
|
1223 | """Control the automatic calling of the pdb interactive debugger. | |
1225 |
|
1224 | |||
1226 | Call as '%pdb on', '%pdb 1', '%pdb off' or '%pdb 0'. If called without |
|
1225 | Call as '%pdb on', '%pdb 1', '%pdb off' or '%pdb 0'. If called without | |
1227 | argument it works as a toggle. |
|
1226 | argument it works as a toggle. | |
1228 |
|
1227 | |||
1229 | When an exception is triggered, IPython can optionally call the |
|
1228 | When an exception is triggered, IPython can optionally call the | |
1230 | interactive pdb debugger after the traceback printout. %pdb toggles |
|
1229 | interactive pdb debugger after the traceback printout. %pdb toggles | |
1231 | this feature on and off. |
|
1230 | this feature on and off. | |
1232 |
|
1231 | |||
1233 | The initial state of this feature is set in your configuration |
|
1232 | The initial state of this feature is set in your configuration | |
1234 | file (the option is ``InteractiveShell.pdb``). |
|
1233 | file (the option is ``InteractiveShell.pdb``). | |
1235 |
|
1234 | |||
1236 | If you want to just activate the debugger AFTER an exception has fired, |
|
1235 | If you want to just activate the debugger AFTER an exception has fired, | |
1237 | without having to type '%pdb on' and rerunning your code, you can use |
|
1236 | without having to type '%pdb on' and rerunning your code, you can use | |
1238 | the %debug magic.""" |
|
1237 | the %debug magic.""" | |
1239 |
|
1238 | |||
1240 | par = parameter_s.strip().lower() |
|
1239 | par = parameter_s.strip().lower() | |
1241 |
|
1240 | |||
1242 | if par: |
|
1241 | if par: | |
1243 | try: |
|
1242 | try: | |
1244 | new_pdb = {'off':0,'0':0,'on':1,'1':1}[par] |
|
1243 | new_pdb = {'off':0,'0':0,'on':1,'1':1}[par] | |
1245 | except KeyError: |
|
1244 | except KeyError: | |
1246 | print ('Incorrect argument. Use on/1, off/0, ' |
|
1245 | print ('Incorrect argument. Use on/1, off/0, ' | |
1247 | 'or nothing for a toggle.') |
|
1246 | 'or nothing for a toggle.') | |
1248 | return |
|
1247 | return | |
1249 | else: |
|
1248 | else: | |
1250 | # toggle |
|
1249 | # toggle | |
1251 | new_pdb = not self.shell.call_pdb |
|
1250 | new_pdb = not self.shell.call_pdb | |
1252 |
|
1251 | |||
1253 | # set on the shell |
|
1252 | # set on the shell | |
1254 | self.shell.call_pdb = new_pdb |
|
1253 | self.shell.call_pdb = new_pdb | |
1255 | print 'Automatic pdb calling has been turned',on_off(new_pdb) |
|
1254 | print 'Automatic pdb calling has been turned',on_off(new_pdb) | |
1256 |
|
1255 | |||
1257 | def magic_debug(self, parameter_s=''): |
|
1256 | def magic_debug(self, parameter_s=''): | |
1258 | """Activate the interactive debugger in post-mortem mode. |
|
1257 | """Activate the interactive debugger in post-mortem mode. | |
1259 |
|
1258 | |||
1260 | If an exception has just occurred, this lets you inspect its stack |
|
1259 | If an exception has just occurred, this lets you inspect its stack | |
1261 | frames interactively. Note that this will always work only on the last |
|
1260 | frames interactively. Note that this will always work only on the last | |
1262 | traceback that occurred, so you must call this quickly after an |
|
1261 | traceback that occurred, so you must call this quickly after an | |
1263 | exception that you wish to inspect has fired, because if another one |
|
1262 | exception that you wish to inspect has fired, because if another one | |
1264 | occurs, it clobbers the previous one. |
|
1263 | occurs, it clobbers the previous one. | |
1265 |
|
1264 | |||
1266 | If you want IPython to automatically do this on every exception, see |
|
1265 | If you want IPython to automatically do this on every exception, see | |
1267 | the %pdb magic for more details. |
|
1266 | the %pdb magic for more details. | |
1268 | """ |
|
1267 | """ | |
1269 | self.shell.debugger(force=True) |
|
1268 | self.shell.debugger(force=True) | |
1270 |
|
1269 | |||
1271 | @skip_doctest |
|
1270 | @skip_doctest | |
1272 | def magic_prun(self, parameter_s ='',user_mode=1, |
|
1271 | def magic_prun(self, parameter_s ='',user_mode=1, | |
1273 | opts=None,arg_lst=None,prog_ns=None): |
|
1272 | opts=None,arg_lst=None,prog_ns=None): | |
1274 |
|
1273 | |||
1275 | """Run a statement through the python code profiler. |
|
1274 | """Run a statement through the python code profiler. | |
1276 |
|
1275 | |||
1277 | Usage: |
|
1276 | Usage: | |
1278 | %prun [options] statement |
|
1277 | %prun [options] statement | |
1279 |
|
1278 | |||
1280 | The given statement (which doesn't require quote marks) is run via the |
|
1279 | The given statement (which doesn't require quote marks) is run via the | |
1281 | python profiler in a manner similar to the profile.run() function. |
|
1280 | python profiler in a manner similar to the profile.run() function. | |
1282 | Namespaces are internally managed to work correctly; profile.run |
|
1281 | Namespaces are internally managed to work correctly; profile.run | |
1283 | cannot be used in IPython because it makes certain assumptions about |
|
1282 | cannot be used in IPython because it makes certain assumptions about | |
1284 | namespaces which do not hold under IPython. |
|
1283 | namespaces which do not hold under IPython. | |
1285 |
|
1284 | |||
1286 | Options: |
|
1285 | Options: | |
1287 |
|
1286 | |||
1288 | -l <limit>: you can place restrictions on what or how much of the |
|
1287 | -l <limit>: you can place restrictions on what or how much of the | |
1289 | profile gets printed. The limit value can be: |
|
1288 | profile gets printed. The limit value can be: | |
1290 |
|
1289 | |||
1291 | * A string: only information for function names containing this string |
|
1290 | * A string: only information for function names containing this string | |
1292 | is printed. |
|
1291 | is printed. | |
1293 |
|
1292 | |||
1294 | * An integer: only these many lines are printed. |
|
1293 | * An integer: only these many lines are printed. | |
1295 |
|
1294 | |||
1296 | * A float (between 0 and 1): this fraction of the report is printed |
|
1295 | * A float (between 0 and 1): this fraction of the report is printed | |
1297 | (for example, use a limit of 0.4 to see the topmost 40% only). |
|
1296 | (for example, use a limit of 0.4 to see the topmost 40% only). | |
1298 |
|
1297 | |||
1299 | You can combine several limits with repeated use of the option. For |
|
1298 | You can combine several limits with repeated use of the option. For | |
1300 | example, '-l __init__ -l 5' will print only the topmost 5 lines of |
|
1299 | example, '-l __init__ -l 5' will print only the topmost 5 lines of | |
1301 | information about class constructors. |
|
1300 | information about class constructors. | |
1302 |
|
1301 | |||
1303 | -r: return the pstats.Stats object generated by the profiling. This |
|
1302 | -r: return the pstats.Stats object generated by the profiling. This | |
1304 | object has all the information about the profile in it, and you can |
|
1303 | object has all the information about the profile in it, and you can | |
1305 | later use it for further analysis or in other functions. |
|
1304 | later use it for further analysis or in other functions. | |
1306 |
|
1305 | |||
1307 | -s <key>: sort profile by given key. You can provide more than one key |
|
1306 | -s <key>: sort profile by given key. You can provide more than one key | |
1308 | by using the option several times: '-s key1 -s key2 -s key3...'. The |
|
1307 | by using the option several times: '-s key1 -s key2 -s key3...'. The | |
1309 | default sorting key is 'time'. |
|
1308 | default sorting key is 'time'. | |
1310 |
|
1309 | |||
1311 | The following is copied verbatim from the profile documentation |
|
1310 | The following is copied verbatim from the profile documentation | |
1312 | referenced below: |
|
1311 | referenced below: | |
1313 |
|
1312 | |||
1314 | When more than one key is provided, additional keys are used as |
|
1313 | When more than one key is provided, additional keys are used as | |
1315 | secondary criteria when the there is equality in all keys selected |
|
1314 | secondary criteria when the there is equality in all keys selected | |
1316 | before them. |
|
1315 | before them. | |
1317 |
|
1316 | |||
1318 | Abbreviations can be used for any key names, as long as the |
|
1317 | Abbreviations can be used for any key names, as long as the | |
1319 | abbreviation is unambiguous. The following are the keys currently |
|
1318 | abbreviation is unambiguous. The following are the keys currently | |
1320 | defined: |
|
1319 | defined: | |
1321 |
|
1320 | |||
1322 | Valid Arg Meaning |
|
1321 | Valid Arg Meaning | |
1323 | "calls" call count |
|
1322 | "calls" call count | |
1324 | "cumulative" cumulative time |
|
1323 | "cumulative" cumulative time | |
1325 | "file" file name |
|
1324 | "file" file name | |
1326 | "module" file name |
|
1325 | "module" file name | |
1327 | "pcalls" primitive call count |
|
1326 | "pcalls" primitive call count | |
1328 | "line" line number |
|
1327 | "line" line number | |
1329 | "name" function name |
|
1328 | "name" function name | |
1330 | "nfl" name/file/line |
|
1329 | "nfl" name/file/line | |
1331 | "stdname" standard name |
|
1330 | "stdname" standard name | |
1332 | "time" internal time |
|
1331 | "time" internal time | |
1333 |
|
1332 | |||
1334 | Note that all sorts on statistics are in descending order (placing |
|
1333 | Note that all sorts on statistics are in descending order (placing | |
1335 | most time consuming items first), where as name, file, and line number |
|
1334 | most time consuming items first), where as name, file, and line number | |
1336 | searches are in ascending order (i.e., alphabetical). The subtle |
|
1335 | searches are in ascending order (i.e., alphabetical). The subtle | |
1337 | distinction between "nfl" and "stdname" is that the standard name is a |
|
1336 | distinction between "nfl" and "stdname" is that the standard name is a | |
1338 | sort of the name as printed, which means that the embedded line |
|
1337 | sort of the name as printed, which means that the embedded line | |
1339 | numbers get compared in an odd way. For example, lines 3, 20, and 40 |
|
1338 | numbers get compared in an odd way. For example, lines 3, 20, and 40 | |
1340 | would (if the file names were the same) appear in the string order |
|
1339 | would (if the file names were the same) appear in the string order | |
1341 | "20" "3" and "40". In contrast, "nfl" does a numeric compare of the |
|
1340 | "20" "3" and "40". In contrast, "nfl" does a numeric compare of the | |
1342 | line numbers. In fact, sort_stats("nfl") is the same as |
|
1341 | line numbers. In fact, sort_stats("nfl") is the same as | |
1343 | sort_stats("name", "file", "line"). |
|
1342 | sort_stats("name", "file", "line"). | |
1344 |
|
1343 | |||
1345 | -T <filename>: save profile results as shown on screen to a text |
|
1344 | -T <filename>: save profile results as shown on screen to a text | |
1346 | file. The profile is still shown on screen. |
|
1345 | file. The profile is still shown on screen. | |
1347 |
|
1346 | |||
1348 | -D <filename>: save (via dump_stats) profile statistics to given |
|
1347 | -D <filename>: save (via dump_stats) profile statistics to given | |
1349 | filename. This data is in a format understod by the pstats module, and |
|
1348 | filename. This data is in a format understod by the pstats module, and | |
1350 | is generated by a call to the dump_stats() method of profile |
|
1349 | is generated by a call to the dump_stats() method of profile | |
1351 | objects. The profile is still shown on screen. |
|
1350 | objects. The profile is still shown on screen. | |
1352 |
|
1351 | |||
1353 | If you want to run complete programs under the profiler's control, use |
|
1352 | If you want to run complete programs under the profiler's control, use | |
1354 | '%run -p [prof_opts] filename.py [args to program]' where prof_opts |
|
1353 | '%run -p [prof_opts] filename.py [args to program]' where prof_opts | |
1355 | contains profiler specific options as described here. |
|
1354 | contains profiler specific options as described here. | |
1356 |
|
1355 | |||
1357 | You can read the complete documentation for the profile module with:: |
|
1356 | You can read the complete documentation for the profile module with:: | |
1358 |
|
1357 | |||
1359 | In [1]: import profile; profile.help() |
|
1358 | In [1]: import profile; profile.help() | |
1360 | """ |
|
1359 | """ | |
1361 |
|
1360 | |||
1362 | opts_def = Struct(D=[''],l=[],s=['time'],T=['']) |
|
1361 | opts_def = Struct(D=[''],l=[],s=['time'],T=['']) | |
1363 | # protect user quote marks |
|
1362 | # protect user quote marks | |
1364 | parameter_s = parameter_s.replace('"',r'\"').replace("'",r"\'") |
|
1363 | parameter_s = parameter_s.replace('"',r'\"').replace("'",r"\'") | |
1365 |
|
1364 | |||
1366 | if user_mode: # regular user call |
|
1365 | if user_mode: # regular user call | |
1367 | opts,arg_str = self.parse_options(parameter_s,'D:l:rs:T:', |
|
1366 | opts,arg_str = self.parse_options(parameter_s,'D:l:rs:T:', | |
1368 | list_all=1) |
|
1367 | list_all=1) | |
1369 | namespace = self.shell.user_ns |
|
1368 | namespace = self.shell.user_ns | |
1370 | else: # called to run a program by %run -p |
|
1369 | else: # called to run a program by %run -p | |
1371 | try: |
|
1370 | try: | |
1372 | filename = get_py_filename(arg_lst[0]) |
|
1371 | filename = get_py_filename(arg_lst[0]) | |
1373 | except IOError,msg: |
|
1372 | except IOError,msg: | |
1374 | error(msg) |
|
1373 | error(msg) | |
1375 | return |
|
1374 | return | |
1376 |
|
1375 | |||
1377 | arg_str = 'execfile(filename,prog_ns)' |
|
1376 | arg_str = 'execfile(filename,prog_ns)' | |
1378 | namespace = locals() |
|
1377 | namespace = locals() | |
1379 |
|
1378 | |||
1380 | opts.merge(opts_def) |
|
1379 | opts.merge(opts_def) | |
1381 |
|
1380 | |||
1382 | prof = profile.Profile() |
|
1381 | prof = profile.Profile() | |
1383 | try: |
|
1382 | try: | |
1384 | prof = prof.runctx(arg_str,namespace,namespace) |
|
1383 | prof = prof.runctx(arg_str,namespace,namespace) | |
1385 | sys_exit = '' |
|
1384 | sys_exit = '' | |
1386 | except SystemExit: |
|
1385 | except SystemExit: | |
1387 | sys_exit = """*** SystemExit exception caught in code being profiled.""" |
|
1386 | sys_exit = """*** SystemExit exception caught in code being profiled.""" | |
1388 |
|
1387 | |||
1389 | stats = pstats.Stats(prof).strip_dirs().sort_stats(*opts.s) |
|
1388 | stats = pstats.Stats(prof).strip_dirs().sort_stats(*opts.s) | |
1390 |
|
1389 | |||
1391 | lims = opts.l |
|
1390 | lims = opts.l | |
1392 | if lims: |
|
1391 | if lims: | |
1393 | lims = [] # rebuild lims with ints/floats/strings |
|
1392 | lims = [] # rebuild lims with ints/floats/strings | |
1394 | for lim in opts.l: |
|
1393 | for lim in opts.l: | |
1395 | try: |
|
1394 | try: | |
1396 | lims.append(int(lim)) |
|
1395 | lims.append(int(lim)) | |
1397 | except ValueError: |
|
1396 | except ValueError: | |
1398 | try: |
|
1397 | try: | |
1399 | lims.append(float(lim)) |
|
1398 | lims.append(float(lim)) | |
1400 | except ValueError: |
|
1399 | except ValueError: | |
1401 | lims.append(lim) |
|
1400 | lims.append(lim) | |
1402 |
|
1401 | |||
1403 | # Trap output. |
|
1402 | # Trap output. | |
1404 | stdout_trap = StringIO() |
|
1403 | stdout_trap = StringIO() | |
1405 |
|
1404 | |||
1406 | if hasattr(stats,'stream'): |
|
1405 | if hasattr(stats,'stream'): | |
1407 | # In newer versions of python, the stats object has a 'stream' |
|
1406 | # In newer versions of python, the stats object has a 'stream' | |
1408 | # attribute to write into. |
|
1407 | # attribute to write into. | |
1409 | stats.stream = stdout_trap |
|
1408 | stats.stream = stdout_trap | |
1410 | stats.print_stats(*lims) |
|
1409 | stats.print_stats(*lims) | |
1411 | else: |
|
1410 | else: | |
1412 | # For older versions, we manually redirect stdout during printing |
|
1411 | # For older versions, we manually redirect stdout during printing | |
1413 | sys_stdout = sys.stdout |
|
1412 | sys_stdout = sys.stdout | |
1414 | try: |
|
1413 | try: | |
1415 | sys.stdout = stdout_trap |
|
1414 | sys.stdout = stdout_trap | |
1416 | stats.print_stats(*lims) |
|
1415 | stats.print_stats(*lims) | |
1417 | finally: |
|
1416 | finally: | |
1418 | sys.stdout = sys_stdout |
|
1417 | sys.stdout = sys_stdout | |
1419 |
|
1418 | |||
1420 | output = stdout_trap.getvalue() |
|
1419 | output = stdout_trap.getvalue() | |
1421 | output = output.rstrip() |
|
1420 | output = output.rstrip() | |
1422 |
|
1421 | |||
1423 | page.page(output) |
|
1422 | page.page(output) | |
1424 | print sys_exit, |
|
1423 | print sys_exit, | |
1425 |
|
1424 | |||
1426 | dump_file = opts.D[0] |
|
1425 | dump_file = opts.D[0] | |
1427 | text_file = opts.T[0] |
|
1426 | text_file = opts.T[0] | |
1428 | if dump_file: |
|
1427 | if dump_file: | |
1429 | dump_file = unquote_filename(dump_file) |
|
1428 | dump_file = unquote_filename(dump_file) | |
1430 | prof.dump_stats(dump_file) |
|
1429 | prof.dump_stats(dump_file) | |
1431 | print '\n*** Profile stats marshalled to file',\ |
|
1430 | print '\n*** Profile stats marshalled to file',\ | |
1432 | `dump_file`+'.',sys_exit |
|
1431 | `dump_file`+'.',sys_exit | |
1433 | if text_file: |
|
1432 | if text_file: | |
1434 | text_file = unquote_filename(text_file) |
|
1433 | text_file = unquote_filename(text_file) | |
1435 | pfile = file(text_file,'w') |
|
1434 | pfile = file(text_file,'w') | |
1436 | pfile.write(output) |
|
1435 | pfile.write(output) | |
1437 | pfile.close() |
|
1436 | pfile.close() | |
1438 | print '\n*** Profile printout saved to text file',\ |
|
1437 | print '\n*** Profile printout saved to text file',\ | |
1439 | `text_file`+'.',sys_exit |
|
1438 | `text_file`+'.',sys_exit | |
1440 |
|
1439 | |||
1441 | if opts.has_key('r'): |
|
1440 | if opts.has_key('r'): | |
1442 | return stats |
|
1441 | return stats | |
1443 | else: |
|
1442 | else: | |
1444 | return None |
|
1443 | return None | |
1445 |
|
1444 | |||
1446 | @skip_doctest |
|
1445 | @skip_doctest | |
1447 | def magic_run(self, parameter_s ='',runner=None, |
|
1446 | def magic_run(self, parameter_s ='',runner=None, | |
1448 | file_finder=get_py_filename): |
|
1447 | file_finder=get_py_filename): | |
1449 | """Run the named file inside IPython as a program. |
|
1448 | """Run the named file inside IPython as a program. | |
1450 |
|
1449 | |||
1451 | Usage:\\ |
|
1450 | Usage:\\ | |
1452 | %run [-n -i -t [-N<N>] -d [-b<N>] -p [profile options]] file [args] |
|
1451 | %run [-n -i -t [-N<N>] -d [-b<N>] -p [profile options]] file [args] | |
1453 |
|
1452 | |||
1454 | Parameters after the filename are passed as command-line arguments to |
|
1453 | Parameters after the filename are passed as command-line arguments to | |
1455 | the program (put in sys.argv). Then, control returns to IPython's |
|
1454 | the program (put in sys.argv). Then, control returns to IPython's | |
1456 | prompt. |
|
1455 | prompt. | |
1457 |
|
1456 | |||
1458 | This is similar to running at a system prompt:\\ |
|
1457 | This is similar to running at a system prompt:\\ | |
1459 | $ python file args\\ |
|
1458 | $ python file args\\ | |
1460 | but with the advantage of giving you IPython's tracebacks, and of |
|
1459 | but with the advantage of giving you IPython's tracebacks, and of | |
1461 | loading all variables into your interactive namespace for further use |
|
1460 | loading all variables into your interactive namespace for further use | |
1462 | (unless -p is used, see below). |
|
1461 | (unless -p is used, see below). | |
1463 |
|
1462 | |||
1464 | The file is executed in a namespace initially consisting only of |
|
1463 | The file is executed in a namespace initially consisting only of | |
1465 | __name__=='__main__' and sys.argv constructed as indicated. It thus |
|
1464 | __name__=='__main__' and sys.argv constructed as indicated. It thus | |
1466 | sees its environment as if it were being run as a stand-alone program |
|
1465 | sees its environment as if it were being run as a stand-alone program | |
1467 | (except for sharing global objects such as previously imported |
|
1466 | (except for sharing global objects such as previously imported | |
1468 | modules). But after execution, the IPython interactive namespace gets |
|
1467 | modules). But after execution, the IPython interactive namespace gets | |
1469 | updated with all variables defined in the program (except for __name__ |
|
1468 | updated with all variables defined in the program (except for __name__ | |
1470 | and sys.argv). This allows for very convenient loading of code for |
|
1469 | and sys.argv). This allows for very convenient loading of code for | |
1471 | interactive work, while giving each program a 'clean sheet' to run in. |
|
1470 | interactive work, while giving each program a 'clean sheet' to run in. | |
1472 |
|
1471 | |||
1473 | Options: |
|
1472 | Options: | |
1474 |
|
1473 | |||
1475 | -n: __name__ is NOT set to '__main__', but to the running file's name |
|
1474 | -n: __name__ is NOT set to '__main__', but to the running file's name | |
1476 | without extension (as python does under import). This allows running |
|
1475 | without extension (as python does under import). This allows running | |
1477 | scripts and reloading the definitions in them without calling code |
|
1476 | scripts and reloading the definitions in them without calling code | |
1478 | protected by an ' if __name__ == "__main__" ' clause. |
|
1477 | protected by an ' if __name__ == "__main__" ' clause. | |
1479 |
|
1478 | |||
1480 | -i: run the file in IPython's namespace instead of an empty one. This |
|
1479 | -i: run the file in IPython's namespace instead of an empty one. This | |
1481 | is useful if you are experimenting with code written in a text editor |
|
1480 | is useful if you are experimenting with code written in a text editor | |
1482 | which depends on variables defined interactively. |
|
1481 | which depends on variables defined interactively. | |
1483 |
|
1482 | |||
1484 | -e: ignore sys.exit() calls or SystemExit exceptions in the script |
|
1483 | -e: ignore sys.exit() calls or SystemExit exceptions in the script | |
1485 | being run. This is particularly useful if IPython is being used to |
|
1484 | being run. This is particularly useful if IPython is being used to | |
1486 | run unittests, which always exit with a sys.exit() call. In such |
|
1485 | run unittests, which always exit with a sys.exit() call. In such | |
1487 | cases you are interested in the output of the test results, not in |
|
1486 | cases you are interested in the output of the test results, not in | |
1488 | seeing a traceback of the unittest module. |
|
1487 | seeing a traceback of the unittest module. | |
1489 |
|
1488 | |||
1490 | -t: print timing information at the end of the run. IPython will give |
|
1489 | -t: print timing information at the end of the run. IPython will give | |
1491 | you an estimated CPU time consumption for your script, which under |
|
1490 | you an estimated CPU time consumption for your script, which under | |
1492 | Unix uses the resource module to avoid the wraparound problems of |
|
1491 | Unix uses the resource module to avoid the wraparound problems of | |
1493 | time.clock(). Under Unix, an estimate of time spent on system tasks |
|
1492 | time.clock(). Under Unix, an estimate of time spent on system tasks | |
1494 | is also given (for Windows platforms this is reported as 0.0). |
|
1493 | is also given (for Windows platforms this is reported as 0.0). | |
1495 |
|
1494 | |||
1496 | If -t is given, an additional -N<N> option can be given, where <N> |
|
1495 | If -t is given, an additional -N<N> option can be given, where <N> | |
1497 | must be an integer indicating how many times you want the script to |
|
1496 | must be an integer indicating how many times you want the script to | |
1498 | run. The final timing report will include total and per run results. |
|
1497 | run. The final timing report will include total and per run results. | |
1499 |
|
1498 | |||
1500 | For example (testing the script uniq_stable.py): |
|
1499 | For example (testing the script uniq_stable.py): | |
1501 |
|
1500 | |||
1502 | In [1]: run -t uniq_stable |
|
1501 | In [1]: run -t uniq_stable | |
1503 |
|
1502 | |||
1504 | IPython CPU timings (estimated):\\ |
|
1503 | IPython CPU timings (estimated):\\ | |
1505 | User : 0.19597 s.\\ |
|
1504 | User : 0.19597 s.\\ | |
1506 | System: 0.0 s.\\ |
|
1505 | System: 0.0 s.\\ | |
1507 |
|
1506 | |||
1508 | In [2]: run -t -N5 uniq_stable |
|
1507 | In [2]: run -t -N5 uniq_stable | |
1509 |
|
1508 | |||
1510 | IPython CPU timings (estimated):\\ |
|
1509 | IPython CPU timings (estimated):\\ | |
1511 | Total runs performed: 5\\ |
|
1510 | Total runs performed: 5\\ | |
1512 | Times : Total Per run\\ |
|
1511 | Times : Total Per run\\ | |
1513 | User : 0.910862 s, 0.1821724 s.\\ |
|
1512 | User : 0.910862 s, 0.1821724 s.\\ | |
1514 | System: 0.0 s, 0.0 s. |
|
1513 | System: 0.0 s, 0.0 s. | |
1515 |
|
1514 | |||
1516 | -d: run your program under the control of pdb, the Python debugger. |
|
1515 | -d: run your program under the control of pdb, the Python debugger. | |
1517 | This allows you to execute your program step by step, watch variables, |
|
1516 | This allows you to execute your program step by step, watch variables, | |
1518 | etc. Internally, what IPython does is similar to calling: |
|
1517 | etc. Internally, what IPython does is similar to calling: | |
1519 |
|
1518 | |||
1520 | pdb.run('execfile("YOURFILENAME")') |
|
1519 | pdb.run('execfile("YOURFILENAME")') | |
1521 |
|
1520 | |||
1522 | with a breakpoint set on line 1 of your file. You can change the line |
|
1521 | with a breakpoint set on line 1 of your file. You can change the line | |
1523 | number for this automatic breakpoint to be <N> by using the -bN option |
|
1522 | number for this automatic breakpoint to be <N> by using the -bN option | |
1524 | (where N must be an integer). For example: |
|
1523 | (where N must be an integer). For example: | |
1525 |
|
1524 | |||
1526 | %run -d -b40 myscript |
|
1525 | %run -d -b40 myscript | |
1527 |
|
1526 | |||
1528 | will set the first breakpoint at line 40 in myscript.py. Note that |
|
1527 | will set the first breakpoint at line 40 in myscript.py. Note that | |
1529 | the first breakpoint must be set on a line which actually does |
|
1528 | the first breakpoint must be set on a line which actually does | |
1530 | something (not a comment or docstring) for it to stop execution. |
|
1529 | something (not a comment or docstring) for it to stop execution. | |
1531 |
|
1530 | |||
1532 | When the pdb debugger starts, you will see a (Pdb) prompt. You must |
|
1531 | When the pdb debugger starts, you will see a (Pdb) prompt. You must | |
1533 | first enter 'c' (without qoutes) to start execution up to the first |
|
1532 | first enter 'c' (without qoutes) to start execution up to the first | |
1534 | breakpoint. |
|
1533 | breakpoint. | |
1535 |
|
1534 | |||
1536 | Entering 'help' gives information about the use of the debugger. You |
|
1535 | Entering 'help' gives information about the use of the debugger. You | |
1537 | can easily see pdb's full documentation with "import pdb;pdb.help()" |
|
1536 | can easily see pdb's full documentation with "import pdb;pdb.help()" | |
1538 | at a prompt. |
|
1537 | at a prompt. | |
1539 |
|
1538 | |||
1540 | -p: run program under the control of the Python profiler module (which |
|
1539 | -p: run program under the control of the Python profiler module (which | |
1541 | prints a detailed report of execution times, function calls, etc). |
|
1540 | prints a detailed report of execution times, function calls, etc). | |
1542 |
|
1541 | |||
1543 | You can pass other options after -p which affect the behavior of the |
|
1542 | You can pass other options after -p which affect the behavior of the | |
1544 | profiler itself. See the docs for %prun for details. |
|
1543 | profiler itself. See the docs for %prun for details. | |
1545 |
|
1544 | |||
1546 | In this mode, the program's variables do NOT propagate back to the |
|
1545 | In this mode, the program's variables do NOT propagate back to the | |
1547 | IPython interactive namespace (because they remain in the namespace |
|
1546 | IPython interactive namespace (because they remain in the namespace | |
1548 | where the profiler executes them). |
|
1547 | where the profiler executes them). | |
1549 |
|
1548 | |||
1550 | Internally this triggers a call to %prun, see its documentation for |
|
1549 | Internally this triggers a call to %prun, see its documentation for | |
1551 | details on the options available specifically for profiling. |
|
1550 | details on the options available specifically for profiling. | |
1552 |
|
1551 | |||
1553 | There is one special usage for which the text above doesn't apply: |
|
1552 | There is one special usage for which the text above doesn't apply: | |
1554 | if the filename ends with .ipy, the file is run as ipython script, |
|
1553 | if the filename ends with .ipy, the file is run as ipython script, | |
1555 | just as if the commands were written on IPython prompt. |
|
1554 | just as if the commands were written on IPython prompt. | |
1556 | """ |
|
1555 | """ | |
1557 |
|
1556 | |||
1558 | # get arguments and set sys.argv for program to be run. |
|
1557 | # get arguments and set sys.argv for program to be run. | |
1559 | opts,arg_lst = self.parse_options(parameter_s,'nidtN:b:pD:l:rs:T:e', |
|
1558 | opts,arg_lst = self.parse_options(parameter_s,'nidtN:b:pD:l:rs:T:e', | |
1560 | mode='list',list_all=1) |
|
1559 | mode='list',list_all=1) | |
1561 |
|
1560 | |||
1562 | try: |
|
1561 | try: | |
1563 | filename = file_finder(arg_lst[0]) |
|
1562 | filename = file_finder(arg_lst[0]) | |
1564 | except IndexError: |
|
1563 | except IndexError: | |
1565 | warn('you must provide at least a filename.') |
|
1564 | warn('you must provide at least a filename.') | |
1566 | print '\n%run:\n',oinspect.getdoc(self.magic_run) |
|
1565 | print '\n%run:\n',oinspect.getdoc(self.magic_run) | |
1567 | return |
|
1566 | return | |
1568 | except IOError,msg: |
|
1567 | except IOError,msg: | |
1569 | error(msg) |
|
1568 | error(msg) | |
1570 | return |
|
1569 | return | |
1571 |
|
1570 | |||
1572 | if filename.lower().endswith('.ipy'): |
|
1571 | if filename.lower().endswith('.ipy'): | |
1573 | self.shell.safe_execfile_ipy(filename) |
|
1572 | self.shell.safe_execfile_ipy(filename) | |
1574 | return |
|
1573 | return | |
1575 |
|
1574 | |||
1576 | # Control the response to exit() calls made by the script being run |
|
1575 | # Control the response to exit() calls made by the script being run | |
1577 | exit_ignore = opts.has_key('e') |
|
1576 | exit_ignore = opts.has_key('e') | |
1578 |
|
1577 | |||
1579 | # Make sure that the running script gets a proper sys.argv as if it |
|
1578 | # Make sure that the running script gets a proper sys.argv as if it | |
1580 | # were run from a system shell. |
|
1579 | # were run from a system shell. | |
1581 | save_argv = sys.argv # save it for later restoring |
|
1580 | save_argv = sys.argv # save it for later restoring | |
1582 |
|
1581 | |||
1583 | # simulate shell expansion on arguments, at least tilde expansion |
|
1582 | # simulate shell expansion on arguments, at least tilde expansion | |
1584 | args = [ os.path.expanduser(a) for a in arg_lst[1:] ] |
|
1583 | args = [ os.path.expanduser(a) for a in arg_lst[1:] ] | |
1585 |
|
1584 | |||
1586 | sys.argv = [filename]+ args # put in the proper filename |
|
1585 | sys.argv = [filename]+ args # put in the proper filename | |
1587 |
|
1586 | |||
1588 | if opts.has_key('i'): |
|
1587 | if opts.has_key('i'): | |
1589 | # Run in user's interactive namespace |
|
1588 | # Run in user's interactive namespace | |
1590 | prog_ns = self.shell.user_ns |
|
1589 | prog_ns = self.shell.user_ns | |
1591 | __name__save = self.shell.user_ns['__name__'] |
|
1590 | __name__save = self.shell.user_ns['__name__'] | |
1592 | prog_ns['__name__'] = '__main__' |
|
1591 | prog_ns['__name__'] = '__main__' | |
1593 | main_mod = self.shell.new_main_mod(prog_ns) |
|
1592 | main_mod = self.shell.new_main_mod(prog_ns) | |
1594 | else: |
|
1593 | else: | |
1595 | # Run in a fresh, empty namespace |
|
1594 | # Run in a fresh, empty namespace | |
1596 | if opts.has_key('n'): |
|
1595 | if opts.has_key('n'): | |
1597 | name = os.path.splitext(os.path.basename(filename))[0] |
|
1596 | name = os.path.splitext(os.path.basename(filename))[0] | |
1598 | else: |
|
1597 | else: | |
1599 | name = '__main__' |
|
1598 | name = '__main__' | |
1600 |
|
1599 | |||
1601 | main_mod = self.shell.new_main_mod() |
|
1600 | main_mod = self.shell.new_main_mod() | |
1602 | prog_ns = main_mod.__dict__ |
|
1601 | prog_ns = main_mod.__dict__ | |
1603 | prog_ns['__name__'] = name |
|
1602 | prog_ns['__name__'] = name | |
1604 |
|
1603 | |||
1605 | # Since '%run foo' emulates 'python foo.py' at the cmd line, we must |
|
1604 | # Since '%run foo' emulates 'python foo.py' at the cmd line, we must | |
1606 | # set the __file__ global in the script's namespace |
|
1605 | # set the __file__ global in the script's namespace | |
1607 | prog_ns['__file__'] = filename |
|
1606 | prog_ns['__file__'] = filename | |
1608 |
|
1607 | |||
1609 | # pickle fix. See interactiveshell for an explanation. But we need to make sure |
|
1608 | # pickle fix. See interactiveshell for an explanation. But we need to make sure | |
1610 | # that, if we overwrite __main__, we replace it at the end |
|
1609 | # that, if we overwrite __main__, we replace it at the end | |
1611 | main_mod_name = prog_ns['__name__'] |
|
1610 | main_mod_name = prog_ns['__name__'] | |
1612 |
|
1611 | |||
1613 | if main_mod_name == '__main__': |
|
1612 | if main_mod_name == '__main__': | |
1614 | restore_main = sys.modules['__main__'] |
|
1613 | restore_main = sys.modules['__main__'] | |
1615 | else: |
|
1614 | else: | |
1616 | restore_main = False |
|
1615 | restore_main = False | |
1617 |
|
1616 | |||
1618 | # This needs to be undone at the end to prevent holding references to |
|
1617 | # This needs to be undone at the end to prevent holding references to | |
1619 | # every single object ever created. |
|
1618 | # every single object ever created. | |
1620 | sys.modules[main_mod_name] = main_mod |
|
1619 | sys.modules[main_mod_name] = main_mod | |
1621 |
|
1620 | |||
1622 | try: |
|
1621 | try: | |
1623 | stats = None |
|
1622 | stats = None | |
1624 | with self.readline_no_record: |
|
1623 | with self.readline_no_record: | |
1625 | if opts.has_key('p'): |
|
1624 | if opts.has_key('p'): | |
1626 | stats = self.magic_prun('',0,opts,arg_lst,prog_ns) |
|
1625 | stats = self.magic_prun('',0,opts,arg_lst,prog_ns) | |
1627 | else: |
|
1626 | else: | |
1628 | if opts.has_key('d'): |
|
1627 | if opts.has_key('d'): | |
1629 | deb = debugger.Pdb(self.shell.colors) |
|
1628 | deb = debugger.Pdb(self.shell.colors) | |
1630 | # reset Breakpoint state, which is moronically kept |
|
1629 | # reset Breakpoint state, which is moronically kept | |
1631 | # in a class |
|
1630 | # in a class | |
1632 | bdb.Breakpoint.next = 1 |
|
1631 | bdb.Breakpoint.next = 1 | |
1633 | bdb.Breakpoint.bplist = {} |
|
1632 | bdb.Breakpoint.bplist = {} | |
1634 | bdb.Breakpoint.bpbynumber = [None] |
|
1633 | bdb.Breakpoint.bpbynumber = [None] | |
1635 | # Set an initial breakpoint to stop execution |
|
1634 | # Set an initial breakpoint to stop execution | |
1636 | maxtries = 10 |
|
1635 | maxtries = 10 | |
1637 | bp = int(opts.get('b',[1])[0]) |
|
1636 | bp = int(opts.get('b',[1])[0]) | |
1638 | checkline = deb.checkline(filename,bp) |
|
1637 | checkline = deb.checkline(filename,bp) | |
1639 | if not checkline: |
|
1638 | if not checkline: | |
1640 | for bp in range(bp+1,bp+maxtries+1): |
|
1639 | for bp in range(bp+1,bp+maxtries+1): | |
1641 | if deb.checkline(filename,bp): |
|
1640 | if deb.checkline(filename,bp): | |
1642 | break |
|
1641 | break | |
1643 | else: |
|
1642 | else: | |
1644 | msg = ("\nI failed to find a valid line to set " |
|
1643 | msg = ("\nI failed to find a valid line to set " | |
1645 | "a breakpoint\n" |
|
1644 | "a breakpoint\n" | |
1646 | "after trying up to line: %s.\n" |
|
1645 | "after trying up to line: %s.\n" | |
1647 | "Please set a valid breakpoint manually " |
|
1646 | "Please set a valid breakpoint manually " | |
1648 | "with the -b option." % bp) |
|
1647 | "with the -b option." % bp) | |
1649 | error(msg) |
|
1648 | error(msg) | |
1650 | return |
|
1649 | return | |
1651 | # if we find a good linenumber, set the breakpoint |
|
1650 | # if we find a good linenumber, set the breakpoint | |
1652 | deb.do_break('%s:%s' % (filename,bp)) |
|
1651 | deb.do_break('%s:%s' % (filename,bp)) | |
1653 | # Start file run |
|
1652 | # Start file run | |
1654 | print "NOTE: Enter 'c' at the", |
|
1653 | print "NOTE: Enter 'c' at the", | |
1655 | print "%s prompt to start your script." % deb.prompt |
|
1654 | print "%s prompt to start your script." % deb.prompt | |
1656 | try: |
|
1655 | try: | |
1657 | deb.run('execfile("%s")' % filename,prog_ns) |
|
1656 | deb.run('execfile("%s")' % filename,prog_ns) | |
1658 |
|
1657 | |||
1659 | except: |
|
1658 | except: | |
1660 | etype, value, tb = sys.exc_info() |
|
1659 | etype, value, tb = sys.exc_info() | |
1661 | # Skip three frames in the traceback: the %run one, |
|
1660 | # Skip three frames in the traceback: the %run one, | |
1662 | # one inside bdb.py, and the command-line typed by the |
|
1661 | # one inside bdb.py, and the command-line typed by the | |
1663 | # user (run by exec in pdb itself). |
|
1662 | # user (run by exec in pdb itself). | |
1664 | self.shell.InteractiveTB(etype,value,tb,tb_offset=3) |
|
1663 | self.shell.InteractiveTB(etype,value,tb,tb_offset=3) | |
1665 | else: |
|
1664 | else: | |
1666 | if runner is None: |
|
1665 | if runner is None: | |
1667 | runner = self.shell.safe_execfile |
|
1666 | runner = self.shell.safe_execfile | |
1668 | if opts.has_key('t'): |
|
1667 | if opts.has_key('t'): | |
1669 | # timed execution |
|
1668 | # timed execution | |
1670 | try: |
|
1669 | try: | |
1671 | nruns = int(opts['N'][0]) |
|
1670 | nruns = int(opts['N'][0]) | |
1672 | if nruns < 1: |
|
1671 | if nruns < 1: | |
1673 | error('Number of runs must be >=1') |
|
1672 | error('Number of runs must be >=1') | |
1674 | return |
|
1673 | return | |
1675 | except (KeyError): |
|
1674 | except (KeyError): | |
1676 | nruns = 1 |
|
1675 | nruns = 1 | |
1677 | twall0 = time.time() |
|
1676 | twall0 = time.time() | |
1678 | if nruns == 1: |
|
1677 | if nruns == 1: | |
1679 | t0 = clock2() |
|
1678 | t0 = clock2() | |
1680 | runner(filename,prog_ns,prog_ns, |
|
1679 | runner(filename,prog_ns,prog_ns, | |
1681 | exit_ignore=exit_ignore) |
|
1680 | exit_ignore=exit_ignore) | |
1682 | t1 = clock2() |
|
1681 | t1 = clock2() | |
1683 | t_usr = t1[0]-t0[0] |
|
1682 | t_usr = t1[0]-t0[0] | |
1684 | t_sys = t1[1]-t0[1] |
|
1683 | t_sys = t1[1]-t0[1] | |
1685 | print "\nIPython CPU timings (estimated):" |
|
1684 | print "\nIPython CPU timings (estimated):" | |
1686 | print " User : %10.2f s." % t_usr |
|
1685 | print " User : %10.2f s." % t_usr | |
1687 | print " System : %10.2f s." % t_sys |
|
1686 | print " System : %10.2f s." % t_sys | |
1688 | else: |
|
1687 | else: | |
1689 | runs = range(nruns) |
|
1688 | runs = range(nruns) | |
1690 | t0 = clock2() |
|
1689 | t0 = clock2() | |
1691 | for nr in runs: |
|
1690 | for nr in runs: | |
1692 | runner(filename,prog_ns,prog_ns, |
|
1691 | runner(filename,prog_ns,prog_ns, | |
1693 | exit_ignore=exit_ignore) |
|
1692 | exit_ignore=exit_ignore) | |
1694 | t1 = clock2() |
|
1693 | t1 = clock2() | |
1695 | t_usr = t1[0]-t0[0] |
|
1694 | t_usr = t1[0]-t0[0] | |
1696 | t_sys = t1[1]-t0[1] |
|
1695 | t_sys = t1[1]-t0[1] | |
1697 | print "\nIPython CPU timings (estimated):" |
|
1696 | print "\nIPython CPU timings (estimated):" | |
1698 | print "Total runs performed:",nruns |
|
1697 | print "Total runs performed:",nruns | |
1699 | print " Times : %10.2f %10.2f" % ('Total','Per run') |
|
1698 | print " Times : %10.2f %10.2f" % ('Total','Per run') | |
1700 | print " User : %10.2f s, %10.2f s." % (t_usr,t_usr/nruns) |
|
1699 | print " User : %10.2f s, %10.2f s." % (t_usr,t_usr/nruns) | |
1701 | print " System : %10.2f s, %10.2f s." % (t_sys,t_sys/nruns) |
|
1700 | print " System : %10.2f s, %10.2f s." % (t_sys,t_sys/nruns) | |
1702 | twall1 = time.time() |
|
1701 | twall1 = time.time() | |
1703 | print "Wall time: %10.2f s." % (twall1-twall0) |
|
1702 | print "Wall time: %10.2f s." % (twall1-twall0) | |
1704 |
|
1703 | |||
1705 | else: |
|
1704 | else: | |
1706 | # regular execution |
|
1705 | # regular execution | |
1707 | runner(filename,prog_ns,prog_ns,exit_ignore=exit_ignore) |
|
1706 | runner(filename,prog_ns,prog_ns,exit_ignore=exit_ignore) | |
1708 |
|
1707 | |||
1709 | if opts.has_key('i'): |
|
1708 | if opts.has_key('i'): | |
1710 | self.shell.user_ns['__name__'] = __name__save |
|
1709 | self.shell.user_ns['__name__'] = __name__save | |
1711 | else: |
|
1710 | else: | |
1712 | # The shell MUST hold a reference to prog_ns so after %run |
|
1711 | # The shell MUST hold a reference to prog_ns so after %run | |
1713 | # exits, the python deletion mechanism doesn't zero it out |
|
1712 | # exits, the python deletion mechanism doesn't zero it out | |
1714 | # (leaving dangling references). |
|
1713 | # (leaving dangling references). | |
1715 | self.shell.cache_main_mod(prog_ns,filename) |
|
1714 | self.shell.cache_main_mod(prog_ns,filename) | |
1716 | # update IPython interactive namespace |
|
1715 | # update IPython interactive namespace | |
1717 |
|
1716 | |||
1718 | # Some forms of read errors on the file may mean the |
|
1717 | # Some forms of read errors on the file may mean the | |
1719 | # __name__ key was never set; using pop we don't have to |
|
1718 | # __name__ key was never set; using pop we don't have to | |
1720 | # worry about a possible KeyError. |
|
1719 | # worry about a possible KeyError. | |
1721 | prog_ns.pop('__name__', None) |
|
1720 | prog_ns.pop('__name__', None) | |
1722 |
|
1721 | |||
1723 | self.shell.user_ns.update(prog_ns) |
|
1722 | self.shell.user_ns.update(prog_ns) | |
1724 | finally: |
|
1723 | finally: | |
1725 | # It's a bit of a mystery why, but __builtins__ can change from |
|
1724 | # It's a bit of a mystery why, but __builtins__ can change from | |
1726 | # being a module to becoming a dict missing some key data after |
|
1725 | # being a module to becoming a dict missing some key data after | |
1727 | # %run. As best I can see, this is NOT something IPython is doing |
|
1726 | # %run. As best I can see, this is NOT something IPython is doing | |
1728 | # at all, and similar problems have been reported before: |
|
1727 | # at all, and similar problems have been reported before: | |
1729 | # http://coding.derkeiler.com/Archive/Python/comp.lang.python/2004-10/0188.html |
|
1728 | # http://coding.derkeiler.com/Archive/Python/comp.lang.python/2004-10/0188.html | |
1730 | # Since this seems to be done by the interpreter itself, the best |
|
1729 | # Since this seems to be done by the interpreter itself, the best | |
1731 | # we can do is to at least restore __builtins__ for the user on |
|
1730 | # we can do is to at least restore __builtins__ for the user on | |
1732 | # exit. |
|
1731 | # exit. | |
1733 | self.shell.user_ns['__builtins__'] = builtin_mod |
|
1732 | self.shell.user_ns['__builtins__'] = builtin_mod | |
1734 |
|
1733 | |||
1735 | # Ensure key global structures are restored |
|
1734 | # Ensure key global structures are restored | |
1736 | sys.argv = save_argv |
|
1735 | sys.argv = save_argv | |
1737 | if restore_main: |
|
1736 | if restore_main: | |
1738 | sys.modules['__main__'] = restore_main |
|
1737 | sys.modules['__main__'] = restore_main | |
1739 | else: |
|
1738 | else: | |
1740 | # Remove from sys.modules the reference to main_mod we'd |
|
1739 | # Remove from sys.modules the reference to main_mod we'd | |
1741 | # added. Otherwise it will trap references to objects |
|
1740 | # added. Otherwise it will trap references to objects | |
1742 | # contained therein. |
|
1741 | # contained therein. | |
1743 | del sys.modules[main_mod_name] |
|
1742 | del sys.modules[main_mod_name] | |
1744 |
|
1743 | |||
1745 | return stats |
|
1744 | return stats | |
1746 |
|
1745 | |||
1747 | @skip_doctest |
|
1746 | @skip_doctest | |
1748 | def magic_timeit(self, parameter_s =''): |
|
1747 | def magic_timeit(self, parameter_s =''): | |
1749 | """Time execution of a Python statement or expression |
|
1748 | """Time execution of a Python statement or expression | |
1750 |
|
1749 | |||
1751 | Usage:\\ |
|
1750 | Usage:\\ | |
1752 | %timeit [-n<N> -r<R> [-t|-c]] statement |
|
1751 | %timeit [-n<N> -r<R> [-t|-c]] statement | |
1753 |
|
1752 | |||
1754 | Time execution of a Python statement or expression using the timeit |
|
1753 | Time execution of a Python statement or expression using the timeit | |
1755 | module. |
|
1754 | module. | |
1756 |
|
1755 | |||
1757 | Options: |
|
1756 | Options: | |
1758 | -n<N>: execute the given statement <N> times in a loop. If this value |
|
1757 | -n<N>: execute the given statement <N> times in a loop. If this value | |
1759 | is not given, a fitting value is chosen. |
|
1758 | is not given, a fitting value is chosen. | |
1760 |
|
1759 | |||
1761 | -r<R>: repeat the loop iteration <R> times and take the best result. |
|
1760 | -r<R>: repeat the loop iteration <R> times and take the best result. | |
1762 | Default: 3 |
|
1761 | Default: 3 | |
1763 |
|
1762 | |||
1764 | -t: use time.time to measure the time, which is the default on Unix. |
|
1763 | -t: use time.time to measure the time, which is the default on Unix. | |
1765 | This function measures wall time. |
|
1764 | This function measures wall time. | |
1766 |
|
1765 | |||
1767 | -c: use time.clock to measure the time, which is the default on |
|
1766 | -c: use time.clock to measure the time, which is the default on | |
1768 | Windows and measures wall time. On Unix, resource.getrusage is used |
|
1767 | Windows and measures wall time. On Unix, resource.getrusage is used | |
1769 | instead and returns the CPU user time. |
|
1768 | instead and returns the CPU user time. | |
1770 |
|
1769 | |||
1771 | -p<P>: use a precision of <P> digits to display the timing result. |
|
1770 | -p<P>: use a precision of <P> digits to display the timing result. | |
1772 | Default: 3 |
|
1771 | Default: 3 | |
1773 |
|
1772 | |||
1774 |
|
1773 | |||
1775 | Examples: |
|
1774 | Examples: | |
1776 |
|
1775 | |||
1777 | In [1]: %timeit pass |
|
1776 | In [1]: %timeit pass | |
1778 | 10000000 loops, best of 3: 53.3 ns per loop |
|
1777 | 10000000 loops, best of 3: 53.3 ns per loop | |
1779 |
|
1778 | |||
1780 | In [2]: u = None |
|
1779 | In [2]: u = None | |
1781 |
|
1780 | |||
1782 | In [3]: %timeit u is None |
|
1781 | In [3]: %timeit u is None | |
1783 | 10000000 loops, best of 3: 184 ns per loop |
|
1782 | 10000000 loops, best of 3: 184 ns per loop | |
1784 |
|
1783 | |||
1785 | In [4]: %timeit -r 4 u == None |
|
1784 | In [4]: %timeit -r 4 u == None | |
1786 | 1000000 loops, best of 4: 242 ns per loop |
|
1785 | 1000000 loops, best of 4: 242 ns per loop | |
1787 |
|
1786 | |||
1788 | In [5]: import time |
|
1787 | In [5]: import time | |
1789 |
|
1788 | |||
1790 | In [6]: %timeit -n1 time.sleep(2) |
|
1789 | In [6]: %timeit -n1 time.sleep(2) | |
1791 | 1 loops, best of 3: 2 s per loop |
|
1790 | 1 loops, best of 3: 2 s per loop | |
1792 |
|
1791 | |||
1793 |
|
1792 | |||
1794 | The times reported by %timeit will be slightly higher than those |
|
1793 | The times reported by %timeit will be slightly higher than those | |
1795 | reported by the timeit.py script when variables are accessed. This is |
|
1794 | reported by the timeit.py script when variables are accessed. This is | |
1796 | due to the fact that %timeit executes the statement in the namespace |
|
1795 | due to the fact that %timeit executes the statement in the namespace | |
1797 | of the shell, compared with timeit.py, which uses a single setup |
|
1796 | of the shell, compared with timeit.py, which uses a single setup | |
1798 | statement to import function or create variables. Generally, the bias |
|
1797 | statement to import function or create variables. Generally, the bias | |
1799 | does not matter as long as results from timeit.py are not mixed with |
|
1798 | does not matter as long as results from timeit.py are not mixed with | |
1800 | those from %timeit.""" |
|
1799 | those from %timeit.""" | |
1801 |
|
1800 | |||
1802 | import timeit |
|
1801 | import timeit | |
1803 | import math |
|
1802 | import math | |
1804 |
|
1803 | |||
1805 | # XXX: Unfortunately the unicode 'micro' symbol can cause problems in |
|
1804 | # XXX: Unfortunately the unicode 'micro' symbol can cause problems in | |
1806 | # certain terminals. Until we figure out a robust way of |
|
1805 | # certain terminals. Until we figure out a robust way of | |
1807 | # auto-detecting if the terminal can deal with it, use plain 'us' for |
|
1806 | # auto-detecting if the terminal can deal with it, use plain 'us' for | |
1808 | # microseconds. I am really NOT happy about disabling the proper |
|
1807 | # microseconds. I am really NOT happy about disabling the proper | |
1809 | # 'micro' prefix, but crashing is worse... If anyone knows what the |
|
1808 | # 'micro' prefix, but crashing is worse... If anyone knows what the | |
1810 | # right solution for this is, I'm all ears... |
|
1809 | # right solution for this is, I'm all ears... | |
1811 | # |
|
1810 | # | |
1812 | # Note: using |
|
1811 | # Note: using | |
1813 | # |
|
1812 | # | |
1814 | # s = u'\xb5' |
|
1813 | # s = u'\xb5' | |
1815 | # s.encode(sys.getdefaultencoding()) |
|
1814 | # s.encode(sys.getdefaultencoding()) | |
1816 | # |
|
1815 | # | |
1817 | # is not sufficient, as I've seen terminals where that fails but |
|
1816 | # is not sufficient, as I've seen terminals where that fails but | |
1818 | # print s |
|
1817 | # print s | |
1819 | # |
|
1818 | # | |
1820 | # succeeds |
|
1819 | # succeeds | |
1821 | # |
|
1820 | # | |
1822 | # See bug: https://bugs.launchpad.net/ipython/+bug/348466 |
|
1821 | # See bug: https://bugs.launchpad.net/ipython/+bug/348466 | |
1823 |
|
1822 | |||
1824 | #units = [u"s", u"ms",u'\xb5',"ns"] |
|
1823 | #units = [u"s", u"ms",u'\xb5',"ns"] | |
1825 | units = [u"s", u"ms",u'us',"ns"] |
|
1824 | units = [u"s", u"ms",u'us',"ns"] | |
1826 |
|
1825 | |||
1827 | scaling = [1, 1e3, 1e6, 1e9] |
|
1826 | scaling = [1, 1e3, 1e6, 1e9] | |
1828 |
|
1827 | |||
1829 | opts, stmt = self.parse_options(parameter_s,'n:r:tcp:', |
|
1828 | opts, stmt = self.parse_options(parameter_s,'n:r:tcp:', | |
1830 | posix=False) |
|
1829 | posix=False) | |
1831 | if stmt == "": |
|
1830 | if stmt == "": | |
1832 | return |
|
1831 | return | |
1833 | timefunc = timeit.default_timer |
|
1832 | timefunc = timeit.default_timer | |
1834 | number = int(getattr(opts, "n", 0)) |
|
1833 | number = int(getattr(opts, "n", 0)) | |
1835 | repeat = int(getattr(opts, "r", timeit.default_repeat)) |
|
1834 | repeat = int(getattr(opts, "r", timeit.default_repeat)) | |
1836 | precision = int(getattr(opts, "p", 3)) |
|
1835 | precision = int(getattr(opts, "p", 3)) | |
1837 | if hasattr(opts, "t"): |
|
1836 | if hasattr(opts, "t"): | |
1838 | timefunc = time.time |
|
1837 | timefunc = time.time | |
1839 | if hasattr(opts, "c"): |
|
1838 | if hasattr(opts, "c"): | |
1840 | timefunc = clock |
|
1839 | timefunc = clock | |
1841 |
|
1840 | |||
1842 | timer = timeit.Timer(timer=timefunc) |
|
1841 | timer = timeit.Timer(timer=timefunc) | |
1843 | # this code has tight coupling to the inner workings of timeit.Timer, |
|
1842 | # this code has tight coupling to the inner workings of timeit.Timer, | |
1844 | # but is there a better way to achieve that the code stmt has access |
|
1843 | # but is there a better way to achieve that the code stmt has access | |
1845 | # to the shell namespace? |
|
1844 | # to the shell namespace? | |
1846 |
|
1845 | |||
1847 | src = timeit.template % {'stmt': timeit.reindent(stmt, 8), |
|
1846 | src = timeit.template % {'stmt': timeit.reindent(stmt, 8), | |
1848 | 'setup': "pass"} |
|
1847 | 'setup': "pass"} | |
1849 | # Track compilation time so it can be reported if too long |
|
1848 | # Track compilation time so it can be reported if too long | |
1850 | # Minimum time above which compilation time will be reported |
|
1849 | # Minimum time above which compilation time will be reported | |
1851 | tc_min = 0.1 |
|
1850 | tc_min = 0.1 | |
1852 |
|
1851 | |||
1853 | t0 = clock() |
|
1852 | t0 = clock() | |
1854 | code = compile(src, "<magic-timeit>", "exec") |
|
1853 | code = compile(src, "<magic-timeit>", "exec") | |
1855 | tc = clock()-t0 |
|
1854 | tc = clock()-t0 | |
1856 |
|
1855 | |||
1857 | ns = {} |
|
1856 | ns = {} | |
1858 | exec code in self.shell.user_ns, ns |
|
1857 | exec code in self.shell.user_ns, ns | |
1859 | timer.inner = ns["inner"] |
|
1858 | timer.inner = ns["inner"] | |
1860 |
|
1859 | |||
1861 | if number == 0: |
|
1860 | if number == 0: | |
1862 | # determine number so that 0.2 <= total time < 2.0 |
|
1861 | # determine number so that 0.2 <= total time < 2.0 | |
1863 | number = 1 |
|
1862 | number = 1 | |
1864 | for i in range(1, 10): |
|
1863 | for i in range(1, 10): | |
1865 | if timer.timeit(number) >= 0.2: |
|
1864 | if timer.timeit(number) >= 0.2: | |
1866 | break |
|
1865 | break | |
1867 | number *= 10 |
|
1866 | number *= 10 | |
1868 |
|
1867 | |||
1869 | best = min(timer.repeat(repeat, number)) / number |
|
1868 | best = min(timer.repeat(repeat, number)) / number | |
1870 |
|
1869 | |||
1871 | if best > 0.0 and best < 1000.0: |
|
1870 | if best > 0.0 and best < 1000.0: | |
1872 | order = min(-int(math.floor(math.log10(best)) // 3), 3) |
|
1871 | order = min(-int(math.floor(math.log10(best)) // 3), 3) | |
1873 | elif best >= 1000.0: |
|
1872 | elif best >= 1000.0: | |
1874 | order = 0 |
|
1873 | order = 0 | |
1875 | else: |
|
1874 | else: | |
1876 | order = 3 |
|
1875 | order = 3 | |
1877 | print u"%d loops, best of %d: %.*g %s per loop" % (number, repeat, |
|
1876 | print u"%d loops, best of %d: %.*g %s per loop" % (number, repeat, | |
1878 | precision, |
|
1877 | precision, | |
1879 | best * scaling[order], |
|
1878 | best * scaling[order], | |
1880 | units[order]) |
|
1879 | units[order]) | |
1881 | if tc > tc_min: |
|
1880 | if tc > tc_min: | |
1882 | print "Compiler time: %.2f s" % tc |
|
1881 | print "Compiler time: %.2f s" % tc | |
1883 |
|
1882 | |||
1884 | @skip_doctest |
|
1883 | @skip_doctest | |
1885 | @needs_local_scope |
|
1884 | @needs_local_scope | |
1886 | def magic_time(self,parameter_s = ''): |
|
1885 | def magic_time(self,parameter_s = ''): | |
1887 | """Time execution of a Python statement or expression. |
|
1886 | """Time execution of a Python statement or expression. | |
1888 |
|
1887 | |||
1889 | The CPU and wall clock times are printed, and the value of the |
|
1888 | The CPU and wall clock times are printed, and the value of the | |
1890 | expression (if any) is returned. Note that under Win32, system time |
|
1889 | expression (if any) is returned. Note that under Win32, system time | |
1891 | is always reported as 0, since it can not be measured. |
|
1890 | is always reported as 0, since it can not be measured. | |
1892 |
|
1891 | |||
1893 | This function provides very basic timing functionality. In Python |
|
1892 | This function provides very basic timing functionality. In Python | |
1894 | 2.3, the timeit module offers more control and sophistication, so this |
|
1893 | 2.3, the timeit module offers more control and sophistication, so this | |
1895 | could be rewritten to use it (patches welcome). |
|
1894 | could be rewritten to use it (patches welcome). | |
1896 |
|
1895 | |||
1897 | Some examples: |
|
1896 | Some examples: | |
1898 |
|
1897 | |||
1899 | In [1]: time 2**128 |
|
1898 | In [1]: time 2**128 | |
1900 | CPU times: user 0.00 s, sys: 0.00 s, total: 0.00 s |
|
1899 | CPU times: user 0.00 s, sys: 0.00 s, total: 0.00 s | |
1901 | Wall time: 0.00 |
|
1900 | Wall time: 0.00 | |
1902 | Out[1]: 340282366920938463463374607431768211456L |
|
1901 | Out[1]: 340282366920938463463374607431768211456L | |
1903 |
|
1902 | |||
1904 | In [2]: n = 1000000 |
|
1903 | In [2]: n = 1000000 | |
1905 |
|
1904 | |||
1906 | In [3]: time sum(range(n)) |
|
1905 | In [3]: time sum(range(n)) | |
1907 | CPU times: user 1.20 s, sys: 0.05 s, total: 1.25 s |
|
1906 | CPU times: user 1.20 s, sys: 0.05 s, total: 1.25 s | |
1908 | Wall time: 1.37 |
|
1907 | Wall time: 1.37 | |
1909 | Out[3]: 499999500000L |
|
1908 | Out[3]: 499999500000L | |
1910 |
|
1909 | |||
1911 | In [4]: time print 'hello world' |
|
1910 | In [4]: time print 'hello world' | |
1912 | hello world |
|
1911 | hello world | |
1913 | CPU times: user 0.00 s, sys: 0.00 s, total: 0.00 s |
|
1912 | CPU times: user 0.00 s, sys: 0.00 s, total: 0.00 s | |
1914 | Wall time: 0.00 |
|
1913 | Wall time: 0.00 | |
1915 |
|
1914 | |||
1916 | Note that the time needed by Python to compile the given expression |
|
1915 | Note that the time needed by Python to compile the given expression | |
1917 | will be reported if it is more than 0.1s. In this example, the |
|
1916 | will be reported if it is more than 0.1s. In this example, the | |
1918 | actual exponentiation is done by Python at compilation time, so while |
|
1917 | actual exponentiation is done by Python at compilation time, so while | |
1919 | the expression can take a noticeable amount of time to compute, that |
|
1918 | the expression can take a noticeable amount of time to compute, that | |
1920 | time is purely due to the compilation: |
|
1919 | time is purely due to the compilation: | |
1921 |
|
1920 | |||
1922 | In [5]: time 3**9999; |
|
1921 | In [5]: time 3**9999; | |
1923 | CPU times: user 0.00 s, sys: 0.00 s, total: 0.00 s |
|
1922 | CPU times: user 0.00 s, sys: 0.00 s, total: 0.00 s | |
1924 | Wall time: 0.00 s |
|
1923 | Wall time: 0.00 s | |
1925 |
|
1924 | |||
1926 | In [6]: time 3**999999; |
|
1925 | In [6]: time 3**999999; | |
1927 | CPU times: user 0.00 s, sys: 0.00 s, total: 0.00 s |
|
1926 | CPU times: user 0.00 s, sys: 0.00 s, total: 0.00 s | |
1928 | Wall time: 0.00 s |
|
1927 | Wall time: 0.00 s | |
1929 | Compiler : 0.78 s |
|
1928 | Compiler : 0.78 s | |
1930 | """ |
|
1929 | """ | |
1931 |
|
1930 | |||
1932 | # fail immediately if the given expression can't be compiled |
|
1931 | # fail immediately if the given expression can't be compiled | |
1933 |
|
1932 | |||
1934 | expr = self.shell.prefilter(parameter_s,False) |
|
1933 | expr = self.shell.prefilter(parameter_s,False) | |
1935 |
|
1934 | |||
1936 | # Minimum time above which compilation time will be reported |
|
1935 | # Minimum time above which compilation time will be reported | |
1937 | tc_min = 0.1 |
|
1936 | tc_min = 0.1 | |
1938 |
|
1937 | |||
1939 | try: |
|
1938 | try: | |
1940 | mode = 'eval' |
|
1939 | mode = 'eval' | |
1941 | t0 = clock() |
|
1940 | t0 = clock() | |
1942 | code = compile(expr,'<timed eval>',mode) |
|
1941 | code = compile(expr,'<timed eval>',mode) | |
1943 | tc = clock()-t0 |
|
1942 | tc = clock()-t0 | |
1944 | except SyntaxError: |
|
1943 | except SyntaxError: | |
1945 | mode = 'exec' |
|
1944 | mode = 'exec' | |
1946 | t0 = clock() |
|
1945 | t0 = clock() | |
1947 | code = compile(expr,'<timed exec>',mode) |
|
1946 | code = compile(expr,'<timed exec>',mode) | |
1948 | tc = clock()-t0 |
|
1947 | tc = clock()-t0 | |
1949 | # skew measurement as little as possible |
|
1948 | # skew measurement as little as possible | |
1950 | glob = self.shell.user_ns |
|
1949 | glob = self.shell.user_ns | |
1951 | locs = self._magic_locals |
|
1950 | locs = self._magic_locals | |
1952 | clk = clock2 |
|
1951 | clk = clock2 | |
1953 | wtime = time.time |
|
1952 | wtime = time.time | |
1954 | # time execution |
|
1953 | # time execution | |
1955 | wall_st = wtime() |
|
1954 | wall_st = wtime() | |
1956 | if mode=='eval': |
|
1955 | if mode=='eval': | |
1957 | st = clk() |
|
1956 | st = clk() | |
1958 | out = eval(code, glob, locs) |
|
1957 | out = eval(code, glob, locs) | |
1959 | end = clk() |
|
1958 | end = clk() | |
1960 | else: |
|
1959 | else: | |
1961 | st = clk() |
|
1960 | st = clk() | |
1962 | exec code in glob, locs |
|
1961 | exec code in glob, locs | |
1963 | end = clk() |
|
1962 | end = clk() | |
1964 | out = None |
|
1963 | out = None | |
1965 | wall_end = wtime() |
|
1964 | wall_end = wtime() | |
1966 | # Compute actual times and report |
|
1965 | # Compute actual times and report | |
1967 | wall_time = wall_end-wall_st |
|
1966 | wall_time = wall_end-wall_st | |
1968 | cpu_user = end[0]-st[0] |
|
1967 | cpu_user = end[0]-st[0] | |
1969 | cpu_sys = end[1]-st[1] |
|
1968 | cpu_sys = end[1]-st[1] | |
1970 | cpu_tot = cpu_user+cpu_sys |
|
1969 | cpu_tot = cpu_user+cpu_sys | |
1971 | print "CPU times: user %.2f s, sys: %.2f s, total: %.2f s" % \ |
|
1970 | print "CPU times: user %.2f s, sys: %.2f s, total: %.2f s" % \ | |
1972 | (cpu_user,cpu_sys,cpu_tot) |
|
1971 | (cpu_user,cpu_sys,cpu_tot) | |
1973 | print "Wall time: %.2f s" % wall_time |
|
1972 | print "Wall time: %.2f s" % wall_time | |
1974 | if tc > tc_min: |
|
1973 | if tc > tc_min: | |
1975 | print "Compiler : %.2f s" % tc |
|
1974 | print "Compiler : %.2f s" % tc | |
1976 | return out |
|
1975 | return out | |
1977 |
|
1976 | |||
1978 | @skip_doctest |
|
1977 | @skip_doctest | |
1979 | def magic_macro(self,parameter_s = ''): |
|
1978 | def magic_macro(self,parameter_s = ''): | |
1980 | """Define a macro for future re-execution. It accepts ranges of history, |
|
1979 | """Define a macro for future re-execution. It accepts ranges of history, | |
1981 | filenames or string objects. |
|
1980 | filenames or string objects. | |
1982 |
|
1981 | |||
1983 | Usage:\\ |
|
1982 | Usage:\\ | |
1984 | %macro [options] name n1-n2 n3-n4 ... n5 .. n6 ... |
|
1983 | %macro [options] name n1-n2 n3-n4 ... n5 .. n6 ... | |
1985 |
|
1984 | |||
1986 | Options: |
|
1985 | Options: | |
1987 |
|
1986 | |||
1988 | -r: use 'raw' input. By default, the 'processed' history is used, |
|
1987 | -r: use 'raw' input. By default, the 'processed' history is used, | |
1989 | so that magics are loaded in their transformed version to valid |
|
1988 | so that magics are loaded in their transformed version to valid | |
1990 | Python. If this option is given, the raw input as typed as the |
|
1989 | Python. If this option is given, the raw input as typed as the | |
1991 | command line is used instead. |
|
1990 | command line is used instead. | |
1992 |
|
1991 | |||
1993 | This will define a global variable called `name` which is a string |
|
1992 | This will define a global variable called `name` which is a string | |
1994 | made of joining the slices and lines you specify (n1,n2,... numbers |
|
1993 | made of joining the slices and lines you specify (n1,n2,... numbers | |
1995 | above) from your input history into a single string. This variable |
|
1994 | above) from your input history into a single string. This variable | |
1996 | acts like an automatic function which re-executes those lines as if |
|
1995 | acts like an automatic function which re-executes those lines as if | |
1997 | you had typed them. You just type 'name' at the prompt and the code |
|
1996 | you had typed them. You just type 'name' at the prompt and the code | |
1998 | executes. |
|
1997 | executes. | |
1999 |
|
1998 | |||
2000 | The syntax for indicating input ranges is described in %history. |
|
1999 | The syntax for indicating input ranges is described in %history. | |
2001 |
|
2000 | |||
2002 | Note: as a 'hidden' feature, you can also use traditional python slice |
|
2001 | Note: as a 'hidden' feature, you can also use traditional python slice | |
2003 | notation, where N:M means numbers N through M-1. |
|
2002 | notation, where N:M means numbers N through M-1. | |
2004 |
|
2003 | |||
2005 | For example, if your history contains (%hist prints it): |
|
2004 | For example, if your history contains (%hist prints it): | |
2006 |
|
2005 | |||
2007 | 44: x=1 |
|
2006 | 44: x=1 | |
2008 | 45: y=3 |
|
2007 | 45: y=3 | |
2009 | 46: z=x+y |
|
2008 | 46: z=x+y | |
2010 | 47: print x |
|
2009 | 47: print x | |
2011 | 48: a=5 |
|
2010 | 48: a=5 | |
2012 | 49: print 'x',x,'y',y |
|
2011 | 49: print 'x',x,'y',y | |
2013 |
|
2012 | |||
2014 | you can create a macro with lines 44 through 47 (included) and line 49 |
|
2013 | you can create a macro with lines 44 through 47 (included) and line 49 | |
2015 | called my_macro with: |
|
2014 | called my_macro with: | |
2016 |
|
2015 | |||
2017 | In [55]: %macro my_macro 44-47 49 |
|
2016 | In [55]: %macro my_macro 44-47 49 | |
2018 |
|
2017 | |||
2019 | Now, typing `my_macro` (without quotes) will re-execute all this code |
|
2018 | Now, typing `my_macro` (without quotes) will re-execute all this code | |
2020 | in one pass. |
|
2019 | in one pass. | |
2021 |
|
2020 | |||
2022 | You don't need to give the line-numbers in order, and any given line |
|
2021 | You don't need to give the line-numbers in order, and any given line | |
2023 | number can appear multiple times. You can assemble macros with any |
|
2022 | number can appear multiple times. You can assemble macros with any | |
2024 | lines from your input history in any order. |
|
2023 | lines from your input history in any order. | |
2025 |
|
2024 | |||
2026 | The macro is a simple object which holds its value in an attribute, |
|
2025 | The macro is a simple object which holds its value in an attribute, | |
2027 | but IPython's display system checks for macros and executes them as |
|
2026 | but IPython's display system checks for macros and executes them as | |
2028 | code instead of printing them when you type their name. |
|
2027 | code instead of printing them when you type their name. | |
2029 |
|
2028 | |||
2030 | You can view a macro's contents by explicitly printing it with: |
|
2029 | You can view a macro's contents by explicitly printing it with: | |
2031 |
|
2030 | |||
2032 | 'print macro_name'. |
|
2031 | 'print macro_name'. | |
2033 |
|
2032 | |||
2034 | """ |
|
2033 | """ | |
2035 | opts,args = self.parse_options(parameter_s,'r',mode='list') |
|
2034 | opts,args = self.parse_options(parameter_s,'r',mode='list') | |
2036 | if not args: # List existing macros |
|
2035 | if not args: # List existing macros | |
2037 | return sorted(k for k,v in self.shell.user_ns.iteritems() if\ |
|
2036 | return sorted(k for k,v in self.shell.user_ns.iteritems() if\ | |
2038 | isinstance(v, Macro)) |
|
2037 | isinstance(v, Macro)) | |
2039 | if len(args) == 1: |
|
2038 | if len(args) == 1: | |
2040 | raise UsageError( |
|
2039 | raise UsageError( | |
2041 | "%macro insufficient args; usage '%macro name n1-n2 n3-4...") |
|
2040 | "%macro insufficient args; usage '%macro name n1-n2 n3-4...") | |
2042 | name, codefrom = args[0], " ".join(args[1:]) |
|
2041 | name, codefrom = args[0], " ".join(args[1:]) | |
2043 |
|
2042 | |||
2044 | #print 'rng',ranges # dbg |
|
2043 | #print 'rng',ranges # dbg | |
2045 | try: |
|
2044 | try: | |
2046 | lines = self.shell.find_user_code(codefrom, 'r' in opts) |
|
2045 | lines = self.shell.find_user_code(codefrom, 'r' in opts) | |
2047 | except (ValueError, TypeError) as e: |
|
2046 | except (ValueError, TypeError) as e: | |
2048 | print e.args[0] |
|
2047 | print e.args[0] | |
2049 | return |
|
2048 | return | |
2050 | macro = Macro(lines) |
|
2049 | macro = Macro(lines) | |
2051 | self.shell.define_macro(name, macro) |
|
2050 | self.shell.define_macro(name, macro) | |
2052 | print 'Macro `%s` created. To execute, type its name (without quotes).' % name |
|
2051 | print 'Macro `%s` created. To execute, type its name (without quotes).' % name | |
2053 | print '=== Macro contents: ===' |
|
2052 | print '=== Macro contents: ===' | |
2054 | print macro, |
|
2053 | print macro, | |
2055 |
|
2054 | |||
2056 | def magic_save(self,parameter_s = ''): |
|
2055 | def magic_save(self,parameter_s = ''): | |
2057 | """Save a set of lines or a macro to a given filename. |
|
2056 | """Save a set of lines or a macro to a given filename. | |
2058 |
|
2057 | |||
2059 | Usage:\\ |
|
2058 | Usage:\\ | |
2060 | %save [options] filename n1-n2 n3-n4 ... n5 .. n6 ... |
|
2059 | %save [options] filename n1-n2 n3-n4 ... n5 .. n6 ... | |
2061 |
|
2060 | |||
2062 | Options: |
|
2061 | Options: | |
2063 |
|
2062 | |||
2064 | -r: use 'raw' input. By default, the 'processed' history is used, |
|
2063 | -r: use 'raw' input. By default, the 'processed' history is used, | |
2065 | so that magics are loaded in their transformed version to valid |
|
2064 | so that magics are loaded in their transformed version to valid | |
2066 | Python. If this option is given, the raw input as typed as the |
|
2065 | Python. If this option is given, the raw input as typed as the | |
2067 | command line is used instead. |
|
2066 | command line is used instead. | |
2068 |
|
2067 | |||
2069 | This function uses the same syntax as %history for input ranges, |
|
2068 | This function uses the same syntax as %history for input ranges, | |
2070 | then saves the lines to the filename you specify. |
|
2069 | then saves the lines to the filename you specify. | |
2071 |
|
2070 | |||
2072 | It adds a '.py' extension to the file if you don't do so yourself, and |
|
2071 | It adds a '.py' extension to the file if you don't do so yourself, and | |
2073 | it asks for confirmation before overwriting existing files.""" |
|
2072 | it asks for confirmation before overwriting existing files.""" | |
2074 |
|
2073 | |||
2075 | opts,args = self.parse_options(parameter_s,'r',mode='list') |
|
2074 | opts,args = self.parse_options(parameter_s,'r',mode='list') | |
2076 | fname, codefrom = unquote_filename(args[0]), " ".join(args[1:]) |
|
2075 | fname, codefrom = unquote_filename(args[0]), " ".join(args[1:]) | |
2077 | if not fname.endswith('.py'): |
|
2076 | if not fname.endswith('.py'): | |
2078 | fname += '.py' |
|
2077 | fname += '.py' | |
2079 | if os.path.isfile(fname): |
|
2078 | if os.path.isfile(fname): | |
2080 | ans = raw_input('File `%s` exists. Overwrite (y/[N])? ' % fname) |
|
2079 | ans = raw_input('File `%s` exists. Overwrite (y/[N])? ' % fname) | |
2081 | if ans.lower() not in ['y','yes']: |
|
2080 | if ans.lower() not in ['y','yes']: | |
2082 | print 'Operation cancelled.' |
|
2081 | print 'Operation cancelled.' | |
2083 | return |
|
2082 | return | |
2084 | try: |
|
2083 | try: | |
2085 | cmds = self.shell.find_user_code(codefrom, 'r' in opts) |
|
2084 | cmds = self.shell.find_user_code(codefrom, 'r' in opts) | |
2086 | except (TypeError, ValueError) as e: |
|
2085 | except (TypeError, ValueError) as e: | |
2087 | print e.args[0] |
|
2086 | print e.args[0] | |
2088 | return |
|
2087 | return | |
2089 | with py3compat.open(fname,'w', encoding="utf-8") as f: |
|
2088 | with py3compat.open(fname,'w', encoding="utf-8") as f: | |
2090 | f.write(u"# coding: utf-8\n") |
|
2089 | f.write(u"# coding: utf-8\n") | |
2091 | f.write(py3compat.cast_unicode(cmds)) |
|
2090 | f.write(py3compat.cast_unicode(cmds)) | |
2092 | print 'The following commands were written to file `%s`:' % fname |
|
2091 | print 'The following commands were written to file `%s`:' % fname | |
2093 | print cmds |
|
2092 | print cmds | |
2094 |
|
2093 | |||
2095 | def magic_pastebin(self, parameter_s = ''): |
|
2094 | def magic_pastebin(self, parameter_s = ''): | |
2096 | """Upload code to the 'Lodge it' paste bin, returning the URL.""" |
|
2095 | """Upload code to the 'Lodge it' paste bin, returning the URL.""" | |
2097 | try: |
|
2096 | try: | |
2098 | code = self.shell.find_user_code(parameter_s) |
|
2097 | code = self.shell.find_user_code(parameter_s) | |
2099 | except (ValueError, TypeError) as e: |
|
2098 | except (ValueError, TypeError) as e: | |
2100 | print e.args[0] |
|
2099 | print e.args[0] | |
2101 | return |
|
2100 | return | |
2102 | pbserver = ServerProxy('http://paste.pocoo.org/xmlrpc/') |
|
2101 | pbserver = ServerProxy('http://paste.pocoo.org/xmlrpc/') | |
2103 | id = pbserver.pastes.newPaste("python", code) |
|
2102 | id = pbserver.pastes.newPaste("python", code) | |
2104 | return "http://paste.pocoo.org/show/" + id |
|
2103 | return "http://paste.pocoo.org/show/" + id | |
2105 |
|
2104 | |||
2106 | def magic_loadpy(self, arg_s): |
|
2105 | def magic_loadpy(self, arg_s): | |
2107 | """Load a .py python script into the GUI console. |
|
2106 | """Load a .py python script into the GUI console. | |
2108 |
|
2107 | |||
2109 | This magic command can either take a local filename or a url:: |
|
2108 | This magic command can either take a local filename or a url:: | |
2110 |
|
2109 | |||
2111 | %loadpy myscript.py |
|
2110 | %loadpy myscript.py | |
2112 | %loadpy http://www.example.com/myscript.py |
|
2111 | %loadpy http://www.example.com/myscript.py | |
2113 | """ |
|
2112 | """ | |
2114 | arg_s = unquote_filename(arg_s) |
|
2113 | arg_s = unquote_filename(arg_s) | |
2115 | if not arg_s.endswith('.py'): |
|
2114 | if not arg_s.endswith('.py'): | |
2116 | raise ValueError('%%load only works with .py files: %s' % arg_s) |
|
2115 | raise ValueError('%%load only works with .py files: %s' % arg_s) | |
2117 | if arg_s.startswith('http'): |
|
2116 | if arg_s.startswith('http'): | |
2118 | import urllib2 |
|
2117 | import urllib2 | |
2119 | response = urllib2.urlopen(arg_s) |
|
2118 | response = urllib2.urlopen(arg_s) | |
2120 | content = response.read() |
|
2119 | content = response.read() | |
2121 | else: |
|
2120 | else: | |
2122 | with open(arg_s) as f: |
|
2121 | with open(arg_s) as f: | |
2123 | content = f.read() |
|
2122 | content = f.read() | |
2124 | self.set_next_input(content) |
|
2123 | self.set_next_input(content) | |
2125 |
|
2124 | |||
2126 | def _find_edit_target(self, args, opts, last_call): |
|
2125 | def _find_edit_target(self, args, opts, last_call): | |
2127 | """Utility method used by magic_edit to find what to edit.""" |
|
2126 | """Utility method used by magic_edit to find what to edit.""" | |
2128 |
|
2127 | |||
2129 | def make_filename(arg): |
|
2128 | def make_filename(arg): | |
2130 | "Make a filename from the given args" |
|
2129 | "Make a filename from the given args" | |
2131 | arg = unquote_filename(arg) |
|
2130 | arg = unquote_filename(arg) | |
2132 | try: |
|
2131 | try: | |
2133 | filename = get_py_filename(arg) |
|
2132 | filename = get_py_filename(arg) | |
2134 | except IOError: |
|
2133 | except IOError: | |
2135 | # If it ends with .py but doesn't already exist, assume we want |
|
2134 | # If it ends with .py but doesn't already exist, assume we want | |
2136 | # a new file. |
|
2135 | # a new file. | |
2137 | if arg.endswith('.py'): |
|
2136 | if arg.endswith('.py'): | |
2138 | filename = arg |
|
2137 | filename = arg | |
2139 | else: |
|
2138 | else: | |
2140 | filename = None |
|
2139 | filename = None | |
2141 | return filename |
|
2140 | return filename | |
2142 |
|
2141 | |||
2143 | # Set a few locals from the options for convenience: |
|
2142 | # Set a few locals from the options for convenience: | |
2144 | opts_prev = 'p' in opts |
|
2143 | opts_prev = 'p' in opts | |
2145 | opts_raw = 'r' in opts |
|
2144 | opts_raw = 'r' in opts | |
2146 |
|
2145 | |||
2147 | # custom exceptions |
|
2146 | # custom exceptions | |
2148 | class DataIsObject(Exception): pass |
|
2147 | class DataIsObject(Exception): pass | |
2149 |
|
2148 | |||
2150 | # Default line number value |
|
2149 | # Default line number value | |
2151 | lineno = opts.get('n',None) |
|
2150 | lineno = opts.get('n',None) | |
2152 |
|
2151 | |||
2153 | if opts_prev: |
|
2152 | if opts_prev: | |
2154 | args = '_%s' % last_call[0] |
|
2153 | args = '_%s' % last_call[0] | |
2155 | if not self.shell.user_ns.has_key(args): |
|
2154 | if not self.shell.user_ns.has_key(args): | |
2156 | args = last_call[1] |
|
2155 | args = last_call[1] | |
2157 |
|
2156 | |||
2158 | # use last_call to remember the state of the previous call, but don't |
|
2157 | # use last_call to remember the state of the previous call, but don't | |
2159 | # let it be clobbered by successive '-p' calls. |
|
2158 | # let it be clobbered by successive '-p' calls. | |
2160 | try: |
|
2159 | try: | |
2161 | last_call[0] = self.shell.displayhook.prompt_count |
|
2160 | last_call[0] = self.shell.displayhook.prompt_count | |
2162 | if not opts_prev: |
|
2161 | if not opts_prev: | |
2163 | last_call[1] = parameter_s |
|
2162 | last_call[1] = parameter_s | |
2164 | except: |
|
2163 | except: | |
2165 | pass |
|
2164 | pass | |
2166 |
|
2165 | |||
2167 | # by default this is done with temp files, except when the given |
|
2166 | # by default this is done with temp files, except when the given | |
2168 | # arg is a filename |
|
2167 | # arg is a filename | |
2169 | use_temp = True |
|
2168 | use_temp = True | |
2170 |
|
2169 | |||
2171 | data = '' |
|
2170 | data = '' | |
2172 |
|
2171 | |||
2173 | # First, see if the arguments should be a filename. |
|
2172 | # First, see if the arguments should be a filename. | |
2174 | filename = make_filename(args) |
|
2173 | filename = make_filename(args) | |
2175 | if filename: |
|
2174 | if filename: | |
2176 | use_temp = False |
|
2175 | use_temp = False | |
2177 | elif args: |
|
2176 | elif args: | |
2178 | # Mode where user specifies ranges of lines, like in %macro. |
|
2177 | # Mode where user specifies ranges of lines, like in %macro. | |
2179 | data = self.extract_input_lines(args, opts_raw) |
|
2178 | data = self.extract_input_lines(args, opts_raw) | |
2180 | if not data: |
|
2179 | if not data: | |
2181 | try: |
|
2180 | try: | |
2182 | # Load the parameter given as a variable. If not a string, |
|
2181 | # Load the parameter given as a variable. If not a string, | |
2183 | # process it as an object instead (below) |
|
2182 | # process it as an object instead (below) | |
2184 |
|
2183 | |||
2185 | #print '*** args',args,'type',type(args) # dbg |
|
2184 | #print '*** args',args,'type',type(args) # dbg | |
2186 | data = eval(args, self.shell.user_ns) |
|
2185 | data = eval(args, self.shell.user_ns) | |
2187 | if not isinstance(data, basestring): |
|
2186 | if not isinstance(data, basestring): | |
2188 | raise DataIsObject |
|
2187 | raise DataIsObject | |
2189 |
|
2188 | |||
2190 | except (NameError,SyntaxError): |
|
2189 | except (NameError,SyntaxError): | |
2191 | # given argument is not a variable, try as a filename |
|
2190 | # given argument is not a variable, try as a filename | |
2192 | filename = make_filename(args) |
|
2191 | filename = make_filename(args) | |
2193 | if filename is None: |
|
2192 | if filename is None: | |
2194 | warn("Argument given (%s) can't be found as a variable " |
|
2193 | warn("Argument given (%s) can't be found as a variable " | |
2195 | "or as a filename." % args) |
|
2194 | "or as a filename." % args) | |
2196 | return |
|
2195 | return | |
2197 | use_temp = False |
|
2196 | use_temp = False | |
2198 |
|
2197 | |||
2199 | except DataIsObject: |
|
2198 | except DataIsObject: | |
2200 | # macros have a special edit function |
|
2199 | # macros have a special edit function | |
2201 | if isinstance(data, Macro): |
|
2200 | if isinstance(data, Macro): | |
2202 | raise MacroToEdit(data) |
|
2201 | raise MacroToEdit(data) | |
2203 |
|
2202 | |||
2204 | # For objects, try to edit the file where they are defined |
|
2203 | # For objects, try to edit the file where they are defined | |
2205 | try: |
|
2204 | try: | |
2206 | filename = inspect.getabsfile(data) |
|
2205 | filename = inspect.getabsfile(data) | |
2207 | if 'fakemodule' in filename.lower() and inspect.isclass(data): |
|
2206 | if 'fakemodule' in filename.lower() and inspect.isclass(data): | |
2208 | # class created by %edit? Try to find source |
|
2207 | # class created by %edit? Try to find source | |
2209 | # by looking for method definitions instead, the |
|
2208 | # by looking for method definitions instead, the | |
2210 | # __module__ in those classes is FakeModule. |
|
2209 | # __module__ in those classes is FakeModule. | |
2211 | attrs = [getattr(data, aname) for aname in dir(data)] |
|
2210 | attrs = [getattr(data, aname) for aname in dir(data)] | |
2212 | for attr in attrs: |
|
2211 | for attr in attrs: | |
2213 | if not inspect.ismethod(attr): |
|
2212 | if not inspect.ismethod(attr): | |
2214 | continue |
|
2213 | continue | |
2215 | filename = inspect.getabsfile(attr) |
|
2214 | filename = inspect.getabsfile(attr) | |
2216 | if filename and 'fakemodule' not in filename.lower(): |
|
2215 | if filename and 'fakemodule' not in filename.lower(): | |
2217 | # change the attribute to be the edit target instead |
|
2216 | # change the attribute to be the edit target instead | |
2218 | data = attr |
|
2217 | data = attr | |
2219 | break |
|
2218 | break | |
2220 |
|
2219 | |||
2221 | datafile = 1 |
|
2220 | datafile = 1 | |
2222 | except TypeError: |
|
2221 | except TypeError: | |
2223 | filename = make_filename(args) |
|
2222 | filename = make_filename(args) | |
2224 | datafile = 1 |
|
2223 | datafile = 1 | |
2225 | warn('Could not find file where `%s` is defined.\n' |
|
2224 | warn('Could not find file where `%s` is defined.\n' | |
2226 | 'Opening a file named `%s`' % (args,filename)) |
|
2225 | 'Opening a file named `%s`' % (args,filename)) | |
2227 | # Now, make sure we can actually read the source (if it was in |
|
2226 | # Now, make sure we can actually read the source (if it was in | |
2228 | # a temp file it's gone by now). |
|
2227 | # a temp file it's gone by now). | |
2229 | if datafile: |
|
2228 | if datafile: | |
2230 | try: |
|
2229 | try: | |
2231 | if lineno is None: |
|
2230 | if lineno is None: | |
2232 | lineno = inspect.getsourcelines(data)[1] |
|
2231 | lineno = inspect.getsourcelines(data)[1] | |
2233 | except IOError: |
|
2232 | except IOError: | |
2234 | filename = make_filename(args) |
|
2233 | filename = make_filename(args) | |
2235 | if filename is None: |
|
2234 | if filename is None: | |
2236 | warn('The file `%s` where `%s` was defined cannot ' |
|
2235 | warn('The file `%s` where `%s` was defined cannot ' | |
2237 | 'be read.' % (filename,data)) |
|
2236 | 'be read.' % (filename,data)) | |
2238 | return |
|
2237 | return | |
2239 | use_temp = False |
|
2238 | use_temp = False | |
2240 |
|
2239 | |||
2241 | if use_temp: |
|
2240 | if use_temp: | |
2242 | filename = self.shell.mktempfile(data) |
|
2241 | filename = self.shell.mktempfile(data) | |
2243 | print 'IPython will make a temporary file named:',filename |
|
2242 | print 'IPython will make a temporary file named:',filename | |
2244 |
|
2243 | |||
2245 | return filename, lineno, use_temp |
|
2244 | return filename, lineno, use_temp | |
2246 |
|
2245 | |||
2247 | def _edit_macro(self,mname,macro): |
|
2246 | def _edit_macro(self,mname,macro): | |
2248 | """open an editor with the macro data in a file""" |
|
2247 | """open an editor with the macro data in a file""" | |
2249 | filename = self.shell.mktempfile(macro.value) |
|
2248 | filename = self.shell.mktempfile(macro.value) | |
2250 | self.shell.hooks.editor(filename) |
|
2249 | self.shell.hooks.editor(filename) | |
2251 |
|
2250 | |||
2252 | # and make a new macro object, to replace the old one |
|
2251 | # and make a new macro object, to replace the old one | |
2253 | mfile = open(filename) |
|
2252 | mfile = open(filename) | |
2254 | mvalue = mfile.read() |
|
2253 | mvalue = mfile.read() | |
2255 | mfile.close() |
|
2254 | mfile.close() | |
2256 | self.shell.user_ns[mname] = Macro(mvalue) |
|
2255 | self.shell.user_ns[mname] = Macro(mvalue) | |
2257 |
|
2256 | |||
2258 | def magic_ed(self,parameter_s=''): |
|
2257 | def magic_ed(self,parameter_s=''): | |
2259 | """Alias to %edit.""" |
|
2258 | """Alias to %edit.""" | |
2260 | return self.magic_edit(parameter_s) |
|
2259 | return self.magic_edit(parameter_s) | |
2261 |
|
2260 | |||
2262 | @skip_doctest |
|
2261 | @skip_doctest | |
2263 | def magic_edit(self,parameter_s='',last_call=['','']): |
|
2262 | def magic_edit(self,parameter_s='',last_call=['','']): | |
2264 | """Bring up an editor and execute the resulting code. |
|
2263 | """Bring up an editor and execute the resulting code. | |
2265 |
|
2264 | |||
2266 | Usage: |
|
2265 | Usage: | |
2267 | %edit [options] [args] |
|
2266 | %edit [options] [args] | |
2268 |
|
2267 | |||
2269 | %edit runs IPython's editor hook. The default version of this hook is |
|
2268 | %edit runs IPython's editor hook. The default version of this hook is | |
2270 | set to call the editor specified by your $EDITOR environment variable. |
|
2269 | set to call the editor specified by your $EDITOR environment variable. | |
2271 | If this isn't found, it will default to vi under Linux/Unix and to |
|
2270 | If this isn't found, it will default to vi under Linux/Unix and to | |
2272 | notepad under Windows. See the end of this docstring for how to change |
|
2271 | notepad under Windows. See the end of this docstring for how to change | |
2273 | the editor hook. |
|
2272 | the editor hook. | |
2274 |
|
2273 | |||
2275 | You can also set the value of this editor via the |
|
2274 | You can also set the value of this editor via the | |
2276 | ``TerminalInteractiveShell.editor`` option in your configuration file. |
|
2275 | ``TerminalInteractiveShell.editor`` option in your configuration file. | |
2277 | This is useful if you wish to use a different editor from your typical |
|
2276 | This is useful if you wish to use a different editor from your typical | |
2278 | default with IPython (and for Windows users who typically don't set |
|
2277 | default with IPython (and for Windows users who typically don't set | |
2279 | environment variables). |
|
2278 | environment variables). | |
2280 |
|
2279 | |||
2281 | This command allows you to conveniently edit multi-line code right in |
|
2280 | This command allows you to conveniently edit multi-line code right in | |
2282 | your IPython session. |
|
2281 | your IPython session. | |
2283 |
|
2282 | |||
2284 | If called without arguments, %edit opens up an empty editor with a |
|
2283 | If called without arguments, %edit opens up an empty editor with a | |
2285 | temporary file and will execute the contents of this file when you |
|
2284 | temporary file and will execute the contents of this file when you | |
2286 | close it (don't forget to save it!). |
|
2285 | close it (don't forget to save it!). | |
2287 |
|
2286 | |||
2288 |
|
2287 | |||
2289 | Options: |
|
2288 | Options: | |
2290 |
|
2289 | |||
2291 | -n <number>: open the editor at a specified line number. By default, |
|
2290 | -n <number>: open the editor at a specified line number. By default, | |
2292 | the IPython editor hook uses the unix syntax 'editor +N filename', but |
|
2291 | the IPython editor hook uses the unix syntax 'editor +N filename', but | |
2293 | you can configure this by providing your own modified hook if your |
|
2292 | you can configure this by providing your own modified hook if your | |
2294 | favorite editor supports line-number specifications with a different |
|
2293 | favorite editor supports line-number specifications with a different | |
2295 | syntax. |
|
2294 | syntax. | |
2296 |
|
2295 | |||
2297 | -p: this will call the editor with the same data as the previous time |
|
2296 | -p: this will call the editor with the same data as the previous time | |
2298 | it was used, regardless of how long ago (in your current session) it |
|
2297 | it was used, regardless of how long ago (in your current session) it | |
2299 | was. |
|
2298 | was. | |
2300 |
|
2299 | |||
2301 | -r: use 'raw' input. This option only applies to input taken from the |
|
2300 | -r: use 'raw' input. This option only applies to input taken from the | |
2302 | user's history. By default, the 'processed' history is used, so that |
|
2301 | user's history. By default, the 'processed' history is used, so that | |
2303 | magics are loaded in their transformed version to valid Python. If |
|
2302 | magics are loaded in their transformed version to valid Python. If | |
2304 | this option is given, the raw input as typed as the command line is |
|
2303 | this option is given, the raw input as typed as the command line is | |
2305 | used instead. When you exit the editor, it will be executed by |
|
2304 | used instead. When you exit the editor, it will be executed by | |
2306 | IPython's own processor. |
|
2305 | IPython's own processor. | |
2307 |
|
2306 | |||
2308 | -x: do not execute the edited code immediately upon exit. This is |
|
2307 | -x: do not execute the edited code immediately upon exit. This is | |
2309 | mainly useful if you are editing programs which need to be called with |
|
2308 | mainly useful if you are editing programs which need to be called with | |
2310 | command line arguments, which you can then do using %run. |
|
2309 | command line arguments, which you can then do using %run. | |
2311 |
|
2310 | |||
2312 |
|
2311 | |||
2313 | Arguments: |
|
2312 | Arguments: | |
2314 |
|
2313 | |||
2315 | If arguments are given, the following possibilites exist: |
|
2314 | If arguments are given, the following possibilites exist: | |
2316 |
|
2315 | |||
2317 | - If the argument is a filename, IPython will load that into the |
|
2316 | - If the argument is a filename, IPython will load that into the | |
2318 | editor. It will execute its contents with execfile() when you exit, |
|
2317 | editor. It will execute its contents with execfile() when you exit, | |
2319 | loading any code in the file into your interactive namespace. |
|
2318 | loading any code in the file into your interactive namespace. | |
2320 |
|
2319 | |||
2321 | - The arguments are ranges of input history, e.g. "7 ~1/4-6". |
|
2320 | - The arguments are ranges of input history, e.g. "7 ~1/4-6". | |
2322 | The syntax is the same as in the %history magic. |
|
2321 | The syntax is the same as in the %history magic. | |
2323 |
|
2322 | |||
2324 | - If the argument is a string variable, its contents are loaded |
|
2323 | - If the argument is a string variable, its contents are loaded | |
2325 | into the editor. You can thus edit any string which contains |
|
2324 | into the editor. You can thus edit any string which contains | |
2326 | python code (including the result of previous edits). |
|
2325 | python code (including the result of previous edits). | |
2327 |
|
2326 | |||
2328 | - If the argument is the name of an object (other than a string), |
|
2327 | - If the argument is the name of an object (other than a string), | |
2329 | IPython will try to locate the file where it was defined and open the |
|
2328 | IPython will try to locate the file where it was defined and open the | |
2330 | editor at the point where it is defined. You can use `%edit function` |
|
2329 | editor at the point where it is defined. You can use `%edit function` | |
2331 | to load an editor exactly at the point where 'function' is defined, |
|
2330 | to load an editor exactly at the point where 'function' is defined, | |
2332 | edit it and have the file be executed automatically. |
|
2331 | edit it and have the file be executed automatically. | |
2333 |
|
2332 | |||
2334 | - If the object is a macro (see %macro for details), this opens up your |
|
2333 | - If the object is a macro (see %macro for details), this opens up your | |
2335 | specified editor with a temporary file containing the macro's data. |
|
2334 | specified editor with a temporary file containing the macro's data. | |
2336 | Upon exit, the macro is reloaded with the contents of the file. |
|
2335 | Upon exit, the macro is reloaded with the contents of the file. | |
2337 |
|
2336 | |||
2338 | Note: opening at an exact line is only supported under Unix, and some |
|
2337 | Note: opening at an exact line is only supported under Unix, and some | |
2339 | editors (like kedit and gedit up to Gnome 2.8) do not understand the |
|
2338 | editors (like kedit and gedit up to Gnome 2.8) do not understand the | |
2340 | '+NUMBER' parameter necessary for this feature. Good editors like |
|
2339 | '+NUMBER' parameter necessary for this feature. Good editors like | |
2341 | (X)Emacs, vi, jed, pico and joe all do. |
|
2340 | (X)Emacs, vi, jed, pico and joe all do. | |
2342 |
|
2341 | |||
2343 | After executing your code, %edit will return as output the code you |
|
2342 | After executing your code, %edit will return as output the code you | |
2344 | typed in the editor (except when it was an existing file). This way |
|
2343 | typed in the editor (except when it was an existing file). This way | |
2345 | you can reload the code in further invocations of %edit as a variable, |
|
2344 | you can reload the code in further invocations of %edit as a variable, | |
2346 | via _<NUMBER> or Out[<NUMBER>], where <NUMBER> is the prompt number of |
|
2345 | via _<NUMBER> or Out[<NUMBER>], where <NUMBER> is the prompt number of | |
2347 | the output. |
|
2346 | the output. | |
2348 |
|
2347 | |||
2349 | Note that %edit is also available through the alias %ed. |
|
2348 | Note that %edit is also available through the alias %ed. | |
2350 |
|
2349 | |||
2351 | This is an example of creating a simple function inside the editor and |
|
2350 | This is an example of creating a simple function inside the editor and | |
2352 | then modifying it. First, start up the editor: |
|
2351 | then modifying it. First, start up the editor: | |
2353 |
|
2352 | |||
2354 | In [1]: ed |
|
2353 | In [1]: ed | |
2355 | Editing... done. Executing edited code... |
|
2354 | Editing... done. Executing edited code... | |
2356 | Out[1]: 'def foo():n print "foo() was defined in an editing session"n' |
|
2355 | Out[1]: 'def foo():n print "foo() was defined in an editing session"n' | |
2357 |
|
2356 | |||
2358 | We can then call the function foo(): |
|
2357 | We can then call the function foo(): | |
2359 |
|
2358 | |||
2360 | In [2]: foo() |
|
2359 | In [2]: foo() | |
2361 | foo() was defined in an editing session |
|
2360 | foo() was defined in an editing session | |
2362 |
|
2361 | |||
2363 | Now we edit foo. IPython automatically loads the editor with the |
|
2362 | Now we edit foo. IPython automatically loads the editor with the | |
2364 | (temporary) file where foo() was previously defined: |
|
2363 | (temporary) file where foo() was previously defined: | |
2365 |
|
2364 | |||
2366 | In [3]: ed foo |
|
2365 | In [3]: ed foo | |
2367 | Editing... done. Executing edited code... |
|
2366 | Editing... done. Executing edited code... | |
2368 |
|
2367 | |||
2369 | And if we call foo() again we get the modified version: |
|
2368 | And if we call foo() again we get the modified version: | |
2370 |
|
2369 | |||
2371 | In [4]: foo() |
|
2370 | In [4]: foo() | |
2372 | foo() has now been changed! |
|
2371 | foo() has now been changed! | |
2373 |
|
2372 | |||
2374 | Here is an example of how to edit a code snippet successive |
|
2373 | Here is an example of how to edit a code snippet successive | |
2375 | times. First we call the editor: |
|
2374 | times. First we call the editor: | |
2376 |
|
2375 | |||
2377 | In [5]: ed |
|
2376 | In [5]: ed | |
2378 | Editing... done. Executing edited code... |
|
2377 | Editing... done. Executing edited code... | |
2379 | hello |
|
2378 | hello | |
2380 | Out[5]: "print 'hello'n" |
|
2379 | Out[5]: "print 'hello'n" | |
2381 |
|
2380 | |||
2382 | Now we call it again with the previous output (stored in _): |
|
2381 | Now we call it again with the previous output (stored in _): | |
2383 |
|
2382 | |||
2384 | In [6]: ed _ |
|
2383 | In [6]: ed _ | |
2385 | Editing... done. Executing edited code... |
|
2384 | Editing... done. Executing edited code... | |
2386 | hello world |
|
2385 | hello world | |
2387 | Out[6]: "print 'hello world'n" |
|
2386 | Out[6]: "print 'hello world'n" | |
2388 |
|
2387 | |||
2389 | Now we call it with the output #8 (stored in _8, also as Out[8]): |
|
2388 | Now we call it with the output #8 (stored in _8, also as Out[8]): | |
2390 |
|
2389 | |||
2391 | In [7]: ed _8 |
|
2390 | In [7]: ed _8 | |
2392 | Editing... done. Executing edited code... |
|
2391 | Editing... done. Executing edited code... | |
2393 | hello again |
|
2392 | hello again | |
2394 | Out[7]: "print 'hello again'n" |
|
2393 | Out[7]: "print 'hello again'n" | |
2395 |
|
2394 | |||
2396 |
|
2395 | |||
2397 | Changing the default editor hook: |
|
2396 | Changing the default editor hook: | |
2398 |
|
2397 | |||
2399 | If you wish to write your own editor hook, you can put it in a |
|
2398 | If you wish to write your own editor hook, you can put it in a | |
2400 | configuration file which you load at startup time. The default hook |
|
2399 | configuration file which you load at startup time. The default hook | |
2401 | is defined in the IPython.core.hooks module, and you can use that as a |
|
2400 | is defined in the IPython.core.hooks module, and you can use that as a | |
2402 | starting example for further modifications. That file also has |
|
2401 | starting example for further modifications. That file also has | |
2403 | general instructions on how to set a new hook for use once you've |
|
2402 | general instructions on how to set a new hook for use once you've | |
2404 | defined it.""" |
|
2403 | defined it.""" | |
2405 | opts,args = self.parse_options(parameter_s,'prxn:') |
|
2404 | opts,args = self.parse_options(parameter_s,'prxn:') | |
2406 |
|
2405 | |||
2407 | try: |
|
2406 | try: | |
2408 | filename, lineno, is_temp = self._find_edit_target(args, opts, last_call) |
|
2407 | filename, lineno, is_temp = self._find_edit_target(args, opts, last_call) | |
2409 | except MacroToEdit as e: |
|
2408 | except MacroToEdit as e: | |
2410 | self._edit_macro(args, e.args[0]) |
|
2409 | self._edit_macro(args, e.args[0]) | |
2411 | return |
|
2410 | return | |
2412 |
|
2411 | |||
2413 | # do actual editing here |
|
2412 | # do actual editing here | |
2414 | print 'Editing...', |
|
2413 | print 'Editing...', | |
2415 | sys.stdout.flush() |
|
2414 | sys.stdout.flush() | |
2416 | try: |
|
2415 | try: | |
2417 | # Quote filenames that may have spaces in them |
|
2416 | # Quote filenames that may have spaces in them | |
2418 | if ' ' in filename: |
|
2417 | if ' ' in filename: | |
2419 | filename = "'%s'" % filename |
|
2418 | filename = "'%s'" % filename | |
2420 | self.shell.hooks.editor(filename,lineno) |
|
2419 | self.shell.hooks.editor(filename,lineno) | |
2421 | except TryNext: |
|
2420 | except TryNext: | |
2422 | warn('Could not open editor') |
|
2421 | warn('Could not open editor') | |
2423 | return |
|
2422 | return | |
2424 |
|
2423 | |||
2425 | # XXX TODO: should this be generalized for all string vars? |
|
2424 | # XXX TODO: should this be generalized for all string vars? | |
2426 | # For now, this is special-cased to blocks created by cpaste |
|
2425 | # For now, this is special-cased to blocks created by cpaste | |
2427 | if args.strip() == 'pasted_block': |
|
2426 | if args.strip() == 'pasted_block': | |
2428 | self.shell.user_ns['pasted_block'] = file_read(filename) |
|
2427 | self.shell.user_ns['pasted_block'] = file_read(filename) | |
2429 |
|
2428 | |||
2430 | if 'x' in opts: # -x prevents actual execution |
|
2429 | if 'x' in opts: # -x prevents actual execution | |
2431 |
|
2430 | |||
2432 | else: |
|
2431 | else: | |
2433 | print 'done. Executing edited code...' |
|
2432 | print 'done. Executing edited code...' | |
2434 | if 'r' in opts: # Untranslated IPython code |
|
2433 | if 'r' in opts: # Untranslated IPython code | |
2435 | self.shell.run_cell(file_read(filename), |
|
2434 | self.shell.run_cell(file_read(filename), | |
2436 | store_history=False) |
|
2435 | store_history=False) | |
2437 | else: |
|
2436 | else: | |
2438 | self.shell.safe_execfile(filename,self.shell.user_ns, |
|
2437 | self.shell.safe_execfile(filename,self.shell.user_ns, | |
2439 | self.shell.user_ns) |
|
2438 | self.shell.user_ns) | |
2440 |
|
2439 | |||
2441 | if is_temp: |
|
2440 | if is_temp: | |
2442 | try: |
|
2441 | try: | |
2443 | return open(filename).read() |
|
2442 | return open(filename).read() | |
2444 | except IOError,msg: |
|
2443 | except IOError,msg: | |
2445 | if msg.filename == filename: |
|
2444 | if msg.filename == filename: | |
2446 | warn('File not found. Did you forget to save?') |
|
2445 | warn('File not found. Did you forget to save?') | |
2447 | return |
|
2446 | return | |
2448 | else: |
|
2447 | else: | |
2449 | self.shell.showtraceback() |
|
2448 | self.shell.showtraceback() | |
2450 |
|
2449 | |||
2451 | def magic_xmode(self,parameter_s = ''): |
|
2450 | def magic_xmode(self,parameter_s = ''): | |
2452 | """Switch modes for the exception handlers. |
|
2451 | """Switch modes for the exception handlers. | |
2453 |
|
2452 | |||
2454 | Valid modes: Plain, Context and Verbose. |
|
2453 | Valid modes: Plain, Context and Verbose. | |
2455 |
|
2454 | |||
2456 | If called without arguments, acts as a toggle.""" |
|
2455 | If called without arguments, acts as a toggle.""" | |
2457 |
|
2456 | |||
2458 | def xmode_switch_err(name): |
|
2457 | def xmode_switch_err(name): | |
2459 | warn('Error changing %s exception modes.\n%s' % |
|
2458 | warn('Error changing %s exception modes.\n%s' % | |
2460 | (name,sys.exc_info()[1])) |
|
2459 | (name,sys.exc_info()[1])) | |
2461 |
|
2460 | |||
2462 | shell = self.shell |
|
2461 | shell = self.shell | |
2463 | new_mode = parameter_s.strip().capitalize() |
|
2462 | new_mode = parameter_s.strip().capitalize() | |
2464 | try: |
|
2463 | try: | |
2465 | shell.InteractiveTB.set_mode(mode=new_mode) |
|
2464 | shell.InteractiveTB.set_mode(mode=new_mode) | |
2466 | print 'Exception reporting mode:',shell.InteractiveTB.mode |
|
2465 | print 'Exception reporting mode:',shell.InteractiveTB.mode | |
2467 | except: |
|
2466 | except: | |
2468 | xmode_switch_err('user') |
|
2467 | xmode_switch_err('user') | |
2469 |
|
2468 | |||
2470 | def magic_colors(self,parameter_s = ''): |
|
2469 | def magic_colors(self,parameter_s = ''): | |
2471 | """Switch color scheme for prompts, info system and exception handlers. |
|
2470 | """Switch color scheme for prompts, info system and exception handlers. | |
2472 |
|
2471 | |||
2473 | Currently implemented schemes: NoColor, Linux, LightBG. |
|
2472 | Currently implemented schemes: NoColor, Linux, LightBG. | |
2474 |
|
2473 | |||
2475 | Color scheme names are not case-sensitive. |
|
2474 | Color scheme names are not case-sensitive. | |
2476 |
|
2475 | |||
2477 | Examples |
|
2476 | Examples | |
2478 | -------- |
|
2477 | -------- | |
2479 | To get a plain black and white terminal:: |
|
2478 | To get a plain black and white terminal:: | |
2480 |
|
2479 | |||
2481 | %colors nocolor |
|
2480 | %colors nocolor | |
2482 | """ |
|
2481 | """ | |
2483 |
|
2482 | |||
2484 | def color_switch_err(name): |
|
2483 | def color_switch_err(name): | |
2485 | warn('Error changing %s color schemes.\n%s' % |
|
2484 | warn('Error changing %s color schemes.\n%s' % | |
2486 | (name,sys.exc_info()[1])) |
|
2485 | (name,sys.exc_info()[1])) | |
2487 |
|
2486 | |||
2488 |
|
2487 | |||
2489 | new_scheme = parameter_s.strip() |
|
2488 | new_scheme = parameter_s.strip() | |
2490 | if not new_scheme: |
|
2489 | if not new_scheme: | |
2491 | raise UsageError( |
|
2490 | raise UsageError( | |
2492 | "%colors: you must specify a color scheme. See '%colors?'") |
|
2491 | "%colors: you must specify a color scheme. See '%colors?'") | |
2493 | return |
|
2492 | return | |
2494 | # local shortcut |
|
2493 | # local shortcut | |
2495 | shell = self.shell |
|
2494 | shell = self.shell | |
2496 |
|
2495 | |||
2497 | import IPython.utils.rlineimpl as readline |
|
2496 | import IPython.utils.rlineimpl as readline | |
2498 |
|
2497 | |||
2499 | if not readline.have_readline and sys.platform == "win32": |
|
2498 | if not readline.have_readline and sys.platform == "win32": | |
2500 | msg = """\ |
|
2499 | msg = """\ | |
2501 | Proper color support under MS Windows requires the pyreadline library. |
|
2500 | Proper color support under MS Windows requires the pyreadline library. | |
2502 | You can find it at: |
|
2501 | You can find it at: | |
2503 | http://ipython.scipy.org/moin/PyReadline/Intro |
|
2502 | http://ipython.scipy.org/moin/PyReadline/Intro | |
2504 | Gary's readline needs the ctypes module, from: |
|
2503 | Gary's readline needs the ctypes module, from: | |
2505 | http://starship.python.net/crew/theller/ctypes |
|
2504 | http://starship.python.net/crew/theller/ctypes | |
2506 | (Note that ctypes is already part of Python versions 2.5 and newer). |
|
2505 | (Note that ctypes is already part of Python versions 2.5 and newer). | |
2507 |
|
2506 | |||
2508 | Defaulting color scheme to 'NoColor'""" |
|
2507 | Defaulting color scheme to 'NoColor'""" | |
2509 | new_scheme = 'NoColor' |
|
2508 | new_scheme = 'NoColor' | |
2510 | warn(msg) |
|
2509 | warn(msg) | |
2511 |
|
2510 | |||
2512 | # readline option is 0 |
|
2511 | # readline option is 0 | |
2513 | if not shell.has_readline: |
|
2512 | if not shell.has_readline: | |
2514 | new_scheme = 'NoColor' |
|
2513 | new_scheme = 'NoColor' | |
2515 |
|
2514 | |||
2516 | # Set prompt colors |
|
2515 | # Set prompt colors | |
2517 | try: |
|
2516 | try: | |
2518 | shell.displayhook.set_colors(new_scheme) |
|
2517 | shell.displayhook.set_colors(new_scheme) | |
2519 | except: |
|
2518 | except: | |
2520 | color_switch_err('prompt') |
|
2519 | color_switch_err('prompt') | |
2521 | else: |
|
2520 | else: | |
2522 | shell.colors = \ |
|
2521 | shell.colors = \ | |
2523 | shell.displayhook.color_table.active_scheme_name |
|
2522 | shell.displayhook.color_table.active_scheme_name | |
2524 | # Set exception colors |
|
2523 | # Set exception colors | |
2525 | try: |
|
2524 | try: | |
2526 | shell.InteractiveTB.set_colors(scheme = new_scheme) |
|
2525 | shell.InteractiveTB.set_colors(scheme = new_scheme) | |
2527 | shell.SyntaxTB.set_colors(scheme = new_scheme) |
|
2526 | shell.SyntaxTB.set_colors(scheme = new_scheme) | |
2528 | except: |
|
2527 | except: | |
2529 | color_switch_err('exception') |
|
2528 | color_switch_err('exception') | |
2530 |
|
2529 | |||
2531 | # Set info (for 'object?') colors |
|
2530 | # Set info (for 'object?') colors | |
2532 | if shell.color_info: |
|
2531 | if shell.color_info: | |
2533 | try: |
|
2532 | try: | |
2534 | shell.inspector.set_active_scheme(new_scheme) |
|
2533 | shell.inspector.set_active_scheme(new_scheme) | |
2535 | except: |
|
2534 | except: | |
2536 | color_switch_err('object inspector') |
|
2535 | color_switch_err('object inspector') | |
2537 | else: |
|
2536 | else: | |
2538 | shell.inspector.set_active_scheme('NoColor') |
|
2537 | shell.inspector.set_active_scheme('NoColor') | |
2539 |
|
2538 | |||
2540 | def magic_pprint(self, parameter_s=''): |
|
2539 | def magic_pprint(self, parameter_s=''): | |
2541 | """Toggle pretty printing on/off.""" |
|
2540 | """Toggle pretty printing on/off.""" | |
2542 | ptformatter = self.shell.display_formatter.formatters['text/plain'] |
|
2541 | ptformatter = self.shell.display_formatter.formatters['text/plain'] | |
2543 | ptformatter.pprint = bool(1 - ptformatter.pprint) |
|
2542 | ptformatter.pprint = bool(1 - ptformatter.pprint) | |
2544 | print 'Pretty printing has been turned', \ |
|
2543 | print 'Pretty printing has been turned', \ | |
2545 | ['OFF','ON'][ptformatter.pprint] |
|
2544 | ['OFF','ON'][ptformatter.pprint] | |
2546 |
|
2545 | |||
2547 | #...................................................................... |
|
2546 | #...................................................................... | |
2548 | # Functions to implement unix shell-type things |
|
2547 | # Functions to implement unix shell-type things | |
2549 |
|
2548 | |||
2550 | @skip_doctest |
|
2549 | @skip_doctest | |
2551 | def magic_alias(self, parameter_s = ''): |
|
2550 | def magic_alias(self, parameter_s = ''): | |
2552 | """Define an alias for a system command. |
|
2551 | """Define an alias for a system command. | |
2553 |
|
2552 | |||
2554 | '%alias alias_name cmd' defines 'alias_name' as an alias for 'cmd' |
|
2553 | '%alias alias_name cmd' defines 'alias_name' as an alias for 'cmd' | |
2555 |
|
2554 | |||
2556 | Then, typing 'alias_name params' will execute the system command 'cmd |
|
2555 | Then, typing 'alias_name params' will execute the system command 'cmd | |
2557 | params' (from your underlying operating system). |
|
2556 | params' (from your underlying operating system). | |
2558 |
|
2557 | |||
2559 | Aliases have lower precedence than magic functions and Python normal |
|
2558 | Aliases have lower precedence than magic functions and Python normal | |
2560 | variables, so if 'foo' is both a Python variable and an alias, the |
|
2559 | variables, so if 'foo' is both a Python variable and an alias, the | |
2561 | alias can not be executed until 'del foo' removes the Python variable. |
|
2560 | alias can not be executed until 'del foo' removes the Python variable. | |
2562 |
|
2561 | |||
2563 | You can use the %l specifier in an alias definition to represent the |
|
2562 | You can use the %l specifier in an alias definition to represent the | |
2564 | whole line when the alias is called. For example: |
|
2563 | whole line when the alias is called. For example: | |
2565 |
|
2564 | |||
2566 | In [2]: alias bracket echo "Input in brackets: <%l>" |
|
2565 | In [2]: alias bracket echo "Input in brackets: <%l>" | |
2567 | In [3]: bracket hello world |
|
2566 | In [3]: bracket hello world | |
2568 | Input in brackets: <hello world> |
|
2567 | Input in brackets: <hello world> | |
2569 |
|
2568 | |||
2570 | You can also define aliases with parameters using %s specifiers (one |
|
2569 | You can also define aliases with parameters using %s specifiers (one | |
2571 | per parameter): |
|
2570 | per parameter): | |
2572 |
|
2571 | |||
2573 | In [1]: alias parts echo first %s second %s |
|
2572 | In [1]: alias parts echo first %s second %s | |
2574 | In [2]: %parts A B |
|
2573 | In [2]: %parts A B | |
2575 | first A second B |
|
2574 | first A second B | |
2576 | In [3]: %parts A |
|
2575 | In [3]: %parts A | |
2577 | Incorrect number of arguments: 2 expected. |
|
2576 | Incorrect number of arguments: 2 expected. | |
2578 | parts is an alias to: 'echo first %s second %s' |
|
2577 | parts is an alias to: 'echo first %s second %s' | |
2579 |
|
2578 | |||
2580 | Note that %l and %s are mutually exclusive. You can only use one or |
|
2579 | Note that %l and %s are mutually exclusive. You can only use one or | |
2581 | the other in your aliases. |
|
2580 | the other in your aliases. | |
2582 |
|
2581 | |||
2583 | Aliases expand Python variables just like system calls using ! or !! |
|
2582 | Aliases expand Python variables just like system calls using ! or !! | |
2584 | do: all expressions prefixed with '$' get expanded. For details of |
|
2583 | do: all expressions prefixed with '$' get expanded. For details of | |
2585 | the semantic rules, see PEP-215: |
|
2584 | the semantic rules, see PEP-215: | |
2586 | http://www.python.org/peps/pep-0215.html. This is the library used by |
|
2585 | http://www.python.org/peps/pep-0215.html. This is the library used by | |
2587 | IPython for variable expansion. If you want to access a true shell |
|
2586 | IPython for variable expansion. If you want to access a true shell | |
2588 | variable, an extra $ is necessary to prevent its expansion by IPython: |
|
2587 | variable, an extra $ is necessary to prevent its expansion by IPython: | |
2589 |
|
2588 | |||
2590 | In [6]: alias show echo |
|
2589 | In [6]: alias show echo | |
2591 | In [7]: PATH='A Python string' |
|
2590 | In [7]: PATH='A Python string' | |
2592 | In [8]: show $PATH |
|
2591 | In [8]: show $PATH | |
2593 | A Python string |
|
2592 | A Python string | |
2594 | In [9]: show $$PATH |
|
2593 | In [9]: show $$PATH | |
2595 | /usr/local/lf9560/bin:/usr/local/intel/compiler70/ia32/bin:... |
|
2594 | /usr/local/lf9560/bin:/usr/local/intel/compiler70/ia32/bin:... | |
2596 |
|
2595 | |||
2597 | You can use the alias facility to acess all of $PATH. See the %rehash |
|
2596 | You can use the alias facility to acess all of $PATH. See the %rehash | |
2598 | and %rehashx functions, which automatically create aliases for the |
|
2597 | and %rehashx functions, which automatically create aliases for the | |
2599 | contents of your $PATH. |
|
2598 | contents of your $PATH. | |
2600 |
|
2599 | |||
2601 | If called with no parameters, %alias prints the current alias table.""" |
|
2600 | If called with no parameters, %alias prints the current alias table.""" | |
2602 |
|
2601 | |||
2603 | par = parameter_s.strip() |
|
2602 | par = parameter_s.strip() | |
2604 | if not par: |
|
2603 | if not par: | |
2605 | stored = self.db.get('stored_aliases', {} ) |
|
2604 | stored = self.db.get('stored_aliases', {} ) | |
2606 | aliases = sorted(self.shell.alias_manager.aliases) |
|
2605 | aliases = sorted(self.shell.alias_manager.aliases) | |
2607 | # for k, v in stored: |
|
2606 | # for k, v in stored: | |
2608 | # atab.append(k, v[0]) |
|
2607 | # atab.append(k, v[0]) | |
2609 |
|
2608 | |||
2610 | print "Total number of aliases:", len(aliases) |
|
2609 | print "Total number of aliases:", len(aliases) | |
2611 | sys.stdout.flush() |
|
2610 | sys.stdout.flush() | |
2612 | return aliases |
|
2611 | return aliases | |
2613 |
|
2612 | |||
2614 | # Now try to define a new one |
|
2613 | # Now try to define a new one | |
2615 | try: |
|
2614 | try: | |
2616 | alias,cmd = par.split(None, 1) |
|
2615 | alias,cmd = par.split(None, 1) | |
2617 | except: |
|
2616 | except: | |
2618 | print oinspect.getdoc(self.magic_alias) |
|
2617 | print oinspect.getdoc(self.magic_alias) | |
2619 | else: |
|
2618 | else: | |
2620 | self.shell.alias_manager.soft_define_alias(alias, cmd) |
|
2619 | self.shell.alias_manager.soft_define_alias(alias, cmd) | |
2621 | # end magic_alias |
|
2620 | # end magic_alias | |
2622 |
|
2621 | |||
2623 | def magic_unalias(self, parameter_s = ''): |
|
2622 | def magic_unalias(self, parameter_s = ''): | |
2624 | """Remove an alias""" |
|
2623 | """Remove an alias""" | |
2625 |
|
2624 | |||
2626 | aname = parameter_s.strip() |
|
2625 | aname = parameter_s.strip() | |
2627 | self.shell.alias_manager.undefine_alias(aname) |
|
2626 | self.shell.alias_manager.undefine_alias(aname) | |
2628 | stored = self.db.get('stored_aliases', {} ) |
|
2627 | stored = self.db.get('stored_aliases', {} ) | |
2629 | if aname in stored: |
|
2628 | if aname in stored: | |
2630 | print "Removing %stored alias",aname |
|
2629 | print "Removing %stored alias",aname | |
2631 | del stored[aname] |
|
2630 | del stored[aname] | |
2632 | self.db['stored_aliases'] = stored |
|
2631 | self.db['stored_aliases'] = stored | |
2633 |
|
2632 | |||
2634 | def magic_rehashx(self, parameter_s = ''): |
|
2633 | def magic_rehashx(self, parameter_s = ''): | |
2635 | """Update the alias table with all executable files in $PATH. |
|
2634 | """Update the alias table with all executable files in $PATH. | |
2636 |
|
2635 | |||
2637 | This version explicitly checks that every entry in $PATH is a file |
|
2636 | This version explicitly checks that every entry in $PATH is a file | |
2638 | with execute access (os.X_OK), so it is much slower than %rehash. |
|
2637 | with execute access (os.X_OK), so it is much slower than %rehash. | |
2639 |
|
2638 | |||
2640 | Under Windows, it checks executability as a match agains a |
|
2639 | Under Windows, it checks executability as a match agains a | |
2641 | '|'-separated string of extensions, stored in the IPython config |
|
2640 | '|'-separated string of extensions, stored in the IPython config | |
2642 | variable win_exec_ext. This defaults to 'exe|com|bat'. |
|
2641 | variable win_exec_ext. This defaults to 'exe|com|bat'. | |
2643 |
|
2642 | |||
2644 | This function also resets the root module cache of module completer, |
|
2643 | This function also resets the root module cache of module completer, | |
2645 | used on slow filesystems. |
|
2644 | used on slow filesystems. | |
2646 | """ |
|
2645 | """ | |
2647 | from IPython.core.alias import InvalidAliasError |
|
2646 | from IPython.core.alias import InvalidAliasError | |
2648 |
|
2647 | |||
2649 | # for the benefit of module completer in ipy_completers.py |
|
2648 | # for the benefit of module completer in ipy_completers.py | |
2650 | del self.db['rootmodules'] |
|
2649 | del self.db['rootmodules'] | |
2651 |
|
2650 | |||
2652 | path = [os.path.abspath(os.path.expanduser(p)) for p in |
|
2651 | path = [os.path.abspath(os.path.expanduser(p)) for p in | |
2653 | os.environ.get('PATH','').split(os.pathsep)] |
|
2652 | os.environ.get('PATH','').split(os.pathsep)] | |
2654 | path = filter(os.path.isdir,path) |
|
2653 | path = filter(os.path.isdir,path) | |
2655 |
|
2654 | |||
2656 | syscmdlist = [] |
|
2655 | syscmdlist = [] | |
2657 | # Now define isexec in a cross platform manner. |
|
2656 | # Now define isexec in a cross platform manner. | |
2658 | if os.name == 'posix': |
|
2657 | if os.name == 'posix': | |
2659 | isexec = lambda fname:os.path.isfile(fname) and \ |
|
2658 | isexec = lambda fname:os.path.isfile(fname) and \ | |
2660 | os.access(fname,os.X_OK) |
|
2659 | os.access(fname,os.X_OK) | |
2661 | else: |
|
2660 | else: | |
2662 | try: |
|
2661 | try: | |
2663 | winext = os.environ['pathext'].replace(';','|').replace('.','') |
|
2662 | winext = os.environ['pathext'].replace(';','|').replace('.','') | |
2664 | except KeyError: |
|
2663 | except KeyError: | |
2665 | winext = 'exe|com|bat|py' |
|
2664 | winext = 'exe|com|bat|py' | |
2666 | if 'py' not in winext: |
|
2665 | if 'py' not in winext: | |
2667 | winext += '|py' |
|
2666 | winext += '|py' | |
2668 | execre = re.compile(r'(.*)\.(%s)$' % winext,re.IGNORECASE) |
|
2667 | execre = re.compile(r'(.*)\.(%s)$' % winext,re.IGNORECASE) | |
2669 | isexec = lambda fname:os.path.isfile(fname) and execre.match(fname) |
|
2668 | isexec = lambda fname:os.path.isfile(fname) and execre.match(fname) | |
2670 | savedir = os.getcwdu() |
|
2669 | savedir = os.getcwdu() | |
2671 |
|
2670 | |||
2672 | # Now walk the paths looking for executables to alias. |
|
2671 | # Now walk the paths looking for executables to alias. | |
2673 | try: |
|
2672 | try: | |
2674 | # write the whole loop for posix/Windows so we don't have an if in |
|
2673 | # write the whole loop for posix/Windows so we don't have an if in | |
2675 | # the innermost part |
|
2674 | # the innermost part | |
2676 | if os.name == 'posix': |
|
2675 | if os.name == 'posix': | |
2677 | for pdir in path: |
|
2676 | for pdir in path: | |
2678 | os.chdir(pdir) |
|
2677 | os.chdir(pdir) | |
2679 | for ff in os.listdir(pdir): |
|
2678 | for ff in os.listdir(pdir): | |
2680 | if isexec(ff): |
|
2679 | if isexec(ff): | |
2681 | try: |
|
2680 | try: | |
2682 | # Removes dots from the name since ipython |
|
2681 | # Removes dots from the name since ipython | |
2683 | # will assume names with dots to be python. |
|
2682 | # will assume names with dots to be python. | |
2684 | self.shell.alias_manager.define_alias( |
|
2683 | self.shell.alias_manager.define_alias( | |
2685 | ff.replace('.',''), ff) |
|
2684 | ff.replace('.',''), ff) | |
2686 | except InvalidAliasError: |
|
2685 | except InvalidAliasError: | |
2687 | pass |
|
2686 | pass | |
2688 | else: |
|
2687 | else: | |
2689 | syscmdlist.append(ff) |
|
2688 | syscmdlist.append(ff) | |
2690 | else: |
|
2689 | else: | |
2691 | no_alias = self.shell.alias_manager.no_alias |
|
2690 | no_alias = self.shell.alias_manager.no_alias | |
2692 | for pdir in path: |
|
2691 | for pdir in path: | |
2693 | os.chdir(pdir) |
|
2692 | os.chdir(pdir) | |
2694 | for ff in os.listdir(pdir): |
|
2693 | for ff in os.listdir(pdir): | |
2695 | base, ext = os.path.splitext(ff) |
|
2694 | base, ext = os.path.splitext(ff) | |
2696 | if isexec(ff) and base.lower() not in no_alias: |
|
2695 | if isexec(ff) and base.lower() not in no_alias: | |
2697 | if ext.lower() == '.exe': |
|
2696 | if ext.lower() == '.exe': | |
2698 | ff = base |
|
2697 | ff = base | |
2699 | try: |
|
2698 | try: | |
2700 | # Removes dots from the name since ipython |
|
2699 | # Removes dots from the name since ipython | |
2701 | # will assume names with dots to be python. |
|
2700 | # will assume names with dots to be python. | |
2702 | self.shell.alias_manager.define_alias( |
|
2701 | self.shell.alias_manager.define_alias( | |
2703 | base.lower().replace('.',''), ff) |
|
2702 | base.lower().replace('.',''), ff) | |
2704 | except InvalidAliasError: |
|
2703 | except InvalidAliasError: | |
2705 | pass |
|
2704 | pass | |
2706 | syscmdlist.append(ff) |
|
2705 | syscmdlist.append(ff) | |
2707 | db = self.db |
|
2706 | db = self.db | |
2708 | db['syscmdlist'] = syscmdlist |
|
2707 | db['syscmdlist'] = syscmdlist | |
2709 | finally: |
|
2708 | finally: | |
2710 | os.chdir(savedir) |
|
2709 | os.chdir(savedir) | |
2711 |
|
2710 | |||
2712 | @skip_doctest |
|
2711 | @skip_doctest | |
2713 | def magic_pwd(self, parameter_s = ''): |
|
2712 | def magic_pwd(self, parameter_s = ''): | |
2714 | """Return the current working directory path. |
|
2713 | """Return the current working directory path. | |
2715 |
|
2714 | |||
2716 | Examples |
|
2715 | Examples | |
2717 | -------- |
|
2716 | -------- | |
2718 | :: |
|
2717 | :: | |
2719 |
|
2718 | |||
2720 | In [9]: pwd |
|
2719 | In [9]: pwd | |
2721 | Out[9]: '/home/tsuser/sprint/ipython' |
|
2720 | Out[9]: '/home/tsuser/sprint/ipython' | |
2722 | """ |
|
2721 | """ | |
2723 | return os.getcwdu() |
|
2722 | return os.getcwdu() | |
2724 |
|
2723 | |||
2725 | @skip_doctest |
|
2724 | @skip_doctest | |
2726 | def magic_cd(self, parameter_s=''): |
|
2725 | def magic_cd(self, parameter_s=''): | |
2727 | """Change the current working directory. |
|
2726 | """Change the current working directory. | |
2728 |
|
2727 | |||
2729 | This command automatically maintains an internal list of directories |
|
2728 | This command automatically maintains an internal list of directories | |
2730 | you visit during your IPython session, in the variable _dh. The |
|
2729 | you visit during your IPython session, in the variable _dh. The | |
2731 | command %dhist shows this history nicely formatted. You can also |
|
2730 | command %dhist shows this history nicely formatted. You can also | |
2732 | do 'cd -<tab>' to see directory history conveniently. |
|
2731 | do 'cd -<tab>' to see directory history conveniently. | |
2733 |
|
2732 | |||
2734 | Usage: |
|
2733 | Usage: | |
2735 |
|
2734 | |||
2736 | cd 'dir': changes to directory 'dir'. |
|
2735 | cd 'dir': changes to directory 'dir'. | |
2737 |
|
2736 | |||
2738 | cd -: changes to the last visited directory. |
|
2737 | cd -: changes to the last visited directory. | |
2739 |
|
2738 | |||
2740 | cd -<n>: changes to the n-th directory in the directory history. |
|
2739 | cd -<n>: changes to the n-th directory in the directory history. | |
2741 |
|
2740 | |||
2742 | cd --foo: change to directory that matches 'foo' in history |
|
2741 | cd --foo: change to directory that matches 'foo' in history | |
2743 |
|
2742 | |||
2744 | cd -b <bookmark_name>: jump to a bookmark set by %bookmark |
|
2743 | cd -b <bookmark_name>: jump to a bookmark set by %bookmark | |
2745 | (note: cd <bookmark_name> is enough if there is no |
|
2744 | (note: cd <bookmark_name> is enough if there is no | |
2746 | directory <bookmark_name>, but a bookmark with the name exists.) |
|
2745 | directory <bookmark_name>, but a bookmark with the name exists.) | |
2747 | 'cd -b <tab>' allows you to tab-complete bookmark names. |
|
2746 | 'cd -b <tab>' allows you to tab-complete bookmark names. | |
2748 |
|
2747 | |||
2749 | Options: |
|
2748 | Options: | |
2750 |
|
2749 | |||
2751 | -q: quiet. Do not print the working directory after the cd command is |
|
2750 | -q: quiet. Do not print the working directory after the cd command is | |
2752 | executed. By default IPython's cd command does print this directory, |
|
2751 | executed. By default IPython's cd command does print this directory, | |
2753 | since the default prompts do not display path information. |
|
2752 | since the default prompts do not display path information. | |
2754 |
|
2753 | |||
2755 | Note that !cd doesn't work for this purpose because the shell where |
|
2754 | Note that !cd doesn't work for this purpose because the shell where | |
2756 | !command runs is immediately discarded after executing 'command'. |
|
2755 | !command runs is immediately discarded after executing 'command'. | |
2757 |
|
2756 | |||
2758 | Examples |
|
2757 | Examples | |
2759 | -------- |
|
2758 | -------- | |
2760 | :: |
|
2759 | :: | |
2761 |
|
2760 | |||
2762 | In [10]: cd parent/child |
|
2761 | In [10]: cd parent/child | |
2763 | /home/tsuser/parent/child |
|
2762 | /home/tsuser/parent/child | |
2764 | """ |
|
2763 | """ | |
2765 |
|
2764 | |||
2766 | parameter_s = parameter_s.strip() |
|
2765 | parameter_s = parameter_s.strip() | |
2767 | #bkms = self.shell.persist.get("bookmarks",{}) |
|
2766 | #bkms = self.shell.persist.get("bookmarks",{}) | |
2768 |
|
2767 | |||
2769 | oldcwd = os.getcwdu() |
|
2768 | oldcwd = os.getcwdu() | |
2770 | numcd = re.match(r'(-)(\d+)$',parameter_s) |
|
2769 | numcd = re.match(r'(-)(\d+)$',parameter_s) | |
2771 | # jump in directory history by number |
|
2770 | # jump in directory history by number | |
2772 | if numcd: |
|
2771 | if numcd: | |
2773 | nn = int(numcd.group(2)) |
|
2772 | nn = int(numcd.group(2)) | |
2774 | try: |
|
2773 | try: | |
2775 | ps = self.shell.user_ns['_dh'][nn] |
|
2774 | ps = self.shell.user_ns['_dh'][nn] | |
2776 | except IndexError: |
|
2775 | except IndexError: | |
2777 | print 'The requested directory does not exist in history.' |
|
2776 | print 'The requested directory does not exist in history.' | |
2778 | return |
|
2777 | return | |
2779 | else: |
|
2778 | else: | |
2780 | opts = {} |
|
2779 | opts = {} | |
2781 | elif parameter_s.startswith('--'): |
|
2780 | elif parameter_s.startswith('--'): | |
2782 | ps = None |
|
2781 | ps = None | |
2783 | fallback = None |
|
2782 | fallback = None | |
2784 | pat = parameter_s[2:] |
|
2783 | pat = parameter_s[2:] | |
2785 | dh = self.shell.user_ns['_dh'] |
|
2784 | dh = self.shell.user_ns['_dh'] | |
2786 | # first search only by basename (last component) |
|
2785 | # first search only by basename (last component) | |
2787 | for ent in reversed(dh): |
|
2786 | for ent in reversed(dh): | |
2788 | if pat in os.path.basename(ent) and os.path.isdir(ent): |
|
2787 | if pat in os.path.basename(ent) and os.path.isdir(ent): | |
2789 | ps = ent |
|
2788 | ps = ent | |
2790 | break |
|
2789 | break | |
2791 |
|
2790 | |||
2792 | if fallback is None and pat in ent and os.path.isdir(ent): |
|
2791 | if fallback is None and pat in ent and os.path.isdir(ent): | |
2793 | fallback = ent |
|
2792 | fallback = ent | |
2794 |
|
2793 | |||
2795 | # if we have no last part match, pick the first full path match |
|
2794 | # if we have no last part match, pick the first full path match | |
2796 | if ps is None: |
|
2795 | if ps is None: | |
2797 | ps = fallback |
|
2796 | ps = fallback | |
2798 |
|
2797 | |||
2799 | if ps is None: |
|
2798 | if ps is None: | |
2800 | print "No matching entry in directory history" |
|
2799 | print "No matching entry in directory history" | |
2801 | return |
|
2800 | return | |
2802 | else: |
|
2801 | else: | |
2803 | opts = {} |
|
2802 | opts = {} | |
2804 |
|
2803 | |||
2805 |
|
2804 | |||
2806 | else: |
|
2805 | else: | |
2807 | #turn all non-space-escaping backslashes to slashes, |
|
2806 | #turn all non-space-escaping backslashes to slashes, | |
2808 | # for c:\windows\directory\names\ |
|
2807 | # for c:\windows\directory\names\ | |
2809 | parameter_s = re.sub(r'\\(?! )','/', parameter_s) |
|
2808 | parameter_s = re.sub(r'\\(?! )','/', parameter_s) | |
2810 | opts,ps = self.parse_options(parameter_s,'qb',mode='string') |
|
2809 | opts,ps = self.parse_options(parameter_s,'qb',mode='string') | |
2811 | # jump to previous |
|
2810 | # jump to previous | |
2812 | if ps == '-': |
|
2811 | if ps == '-': | |
2813 | try: |
|
2812 | try: | |
2814 | ps = self.shell.user_ns['_dh'][-2] |
|
2813 | ps = self.shell.user_ns['_dh'][-2] | |
2815 | except IndexError: |
|
2814 | except IndexError: | |
2816 | raise UsageError('%cd -: No previous directory to change to.') |
|
2815 | raise UsageError('%cd -: No previous directory to change to.') | |
2817 | # jump to bookmark if needed |
|
2816 | # jump to bookmark if needed | |
2818 | else: |
|
2817 | else: | |
2819 | if not os.path.isdir(ps) or opts.has_key('b'): |
|
2818 | if not os.path.isdir(ps) or opts.has_key('b'): | |
2820 | bkms = self.db.get('bookmarks', {}) |
|
2819 | bkms = self.db.get('bookmarks', {}) | |
2821 |
|
2820 | |||
2822 | if bkms.has_key(ps): |
|
2821 | if bkms.has_key(ps): | |
2823 | target = bkms[ps] |
|
2822 | target = bkms[ps] | |
2824 | print '(bookmark:%s) -> %s' % (ps,target) |
|
2823 | print '(bookmark:%s) -> %s' % (ps,target) | |
2825 | ps = target |
|
2824 | ps = target | |
2826 | else: |
|
2825 | else: | |
2827 | if opts.has_key('b'): |
|
2826 | if opts.has_key('b'): | |
2828 | raise UsageError("Bookmark '%s' not found. " |
|
2827 | raise UsageError("Bookmark '%s' not found. " | |
2829 | "Use '%%bookmark -l' to see your bookmarks." % ps) |
|
2828 | "Use '%%bookmark -l' to see your bookmarks." % ps) | |
2830 |
|
2829 | |||
2831 | # strip extra quotes on Windows, because os.chdir doesn't like them |
|
2830 | # strip extra quotes on Windows, because os.chdir doesn't like them | |
2832 | ps = unquote_filename(ps) |
|
2831 | ps = unquote_filename(ps) | |
2833 | # at this point ps should point to the target dir |
|
2832 | # at this point ps should point to the target dir | |
2834 | if ps: |
|
2833 | if ps: | |
2835 | try: |
|
2834 | try: | |
2836 | os.chdir(os.path.expanduser(ps)) |
|
2835 | os.chdir(os.path.expanduser(ps)) | |
2837 | if hasattr(self.shell, 'term_title') and self.shell.term_title: |
|
2836 | if hasattr(self.shell, 'term_title') and self.shell.term_title: | |
2838 | set_term_title('IPython: ' + abbrev_cwd()) |
|
2837 | set_term_title('IPython: ' + abbrev_cwd()) | |
2839 | except OSError: |
|
2838 | except OSError: | |
2840 | print sys.exc_info()[1] |
|
2839 | print sys.exc_info()[1] | |
2841 | else: |
|
2840 | else: | |
2842 | cwd = os.getcwdu() |
|
2841 | cwd = os.getcwdu() | |
2843 | dhist = self.shell.user_ns['_dh'] |
|
2842 | dhist = self.shell.user_ns['_dh'] | |
2844 | if oldcwd != cwd: |
|
2843 | if oldcwd != cwd: | |
2845 | dhist.append(cwd) |
|
2844 | dhist.append(cwd) | |
2846 | self.db['dhist'] = compress_dhist(dhist)[-100:] |
|
2845 | self.db['dhist'] = compress_dhist(dhist)[-100:] | |
2847 |
|
2846 | |||
2848 | else: |
|
2847 | else: | |
2849 | os.chdir(self.shell.home_dir) |
|
2848 | os.chdir(self.shell.home_dir) | |
2850 | if hasattr(self.shell, 'term_title') and self.shell.term_title: |
|
2849 | if hasattr(self.shell, 'term_title') and self.shell.term_title: | |
2851 | set_term_title('IPython: ' + '~') |
|
2850 | set_term_title('IPython: ' + '~') | |
2852 | cwd = os.getcwdu() |
|
2851 | cwd = os.getcwdu() | |
2853 | dhist = self.shell.user_ns['_dh'] |
|
2852 | dhist = self.shell.user_ns['_dh'] | |
2854 |
|
2853 | |||
2855 | if oldcwd != cwd: |
|
2854 | if oldcwd != cwd: | |
2856 | dhist.append(cwd) |
|
2855 | dhist.append(cwd) | |
2857 | self.db['dhist'] = compress_dhist(dhist)[-100:] |
|
2856 | self.db['dhist'] = compress_dhist(dhist)[-100:] | |
2858 | if not 'q' in opts and self.shell.user_ns['_dh']: |
|
2857 | if not 'q' in opts and self.shell.user_ns['_dh']: | |
2859 | print self.shell.user_ns['_dh'][-1] |
|
2858 | print self.shell.user_ns['_dh'][-1] | |
2860 |
|
2859 | |||
2861 |
|
2860 | |||
2862 | def magic_env(self, parameter_s=''): |
|
2861 | def magic_env(self, parameter_s=''): | |
2863 | """List environment variables.""" |
|
2862 | """List environment variables.""" | |
2864 |
|
2863 | |||
2865 | return os.environ.data |
|
2864 | return os.environ.data | |
2866 |
|
2865 | |||
2867 | def magic_pushd(self, parameter_s=''): |
|
2866 | def magic_pushd(self, parameter_s=''): | |
2868 | """Place the current dir on stack and change directory. |
|
2867 | """Place the current dir on stack and change directory. | |
2869 |
|
2868 | |||
2870 | Usage:\\ |
|
2869 | Usage:\\ | |
2871 | %pushd ['dirname'] |
|
2870 | %pushd ['dirname'] | |
2872 | """ |
|
2871 | """ | |
2873 |
|
2872 | |||
2874 | dir_s = self.shell.dir_stack |
|
2873 | dir_s = self.shell.dir_stack | |
2875 | tgt = os.path.expanduser(unquote_filename(parameter_s)) |
|
2874 | tgt = os.path.expanduser(unquote_filename(parameter_s)) | |
2876 | cwd = os.getcwdu().replace(self.home_dir,'~') |
|
2875 | cwd = os.getcwdu().replace(self.home_dir,'~') | |
2877 | if tgt: |
|
2876 | if tgt: | |
2878 | self.magic_cd(parameter_s) |
|
2877 | self.magic_cd(parameter_s) | |
2879 | dir_s.insert(0,cwd) |
|
2878 | dir_s.insert(0,cwd) | |
2880 | return self.magic_dirs() |
|
2879 | return self.magic_dirs() | |
2881 |
|
2880 | |||
2882 | def magic_popd(self, parameter_s=''): |
|
2881 | def magic_popd(self, parameter_s=''): | |
2883 | """Change to directory popped off the top of the stack. |
|
2882 | """Change to directory popped off the top of the stack. | |
2884 | """ |
|
2883 | """ | |
2885 | if not self.shell.dir_stack: |
|
2884 | if not self.shell.dir_stack: | |
2886 | raise UsageError("%popd on empty stack") |
|
2885 | raise UsageError("%popd on empty stack") | |
2887 | top = self.shell.dir_stack.pop(0) |
|
2886 | top = self.shell.dir_stack.pop(0) | |
2888 | self.magic_cd(top) |
|
2887 | self.magic_cd(top) | |
2889 | print "popd ->",top |
|
2888 | print "popd ->",top | |
2890 |
|
2889 | |||
2891 | def magic_dirs(self, parameter_s=''): |
|
2890 | def magic_dirs(self, parameter_s=''): | |
2892 | """Return the current directory stack.""" |
|
2891 | """Return the current directory stack.""" | |
2893 |
|
2892 | |||
2894 | return self.shell.dir_stack |
|
2893 | return self.shell.dir_stack | |
2895 |
|
2894 | |||
2896 | def magic_dhist(self, parameter_s=''): |
|
2895 | def magic_dhist(self, parameter_s=''): | |
2897 | """Print your history of visited directories. |
|
2896 | """Print your history of visited directories. | |
2898 |
|
2897 | |||
2899 | %dhist -> print full history\\ |
|
2898 | %dhist -> print full history\\ | |
2900 | %dhist n -> print last n entries only\\ |
|
2899 | %dhist n -> print last n entries only\\ | |
2901 | %dhist n1 n2 -> print entries between n1 and n2 (n1 not included)\\ |
|
2900 | %dhist n1 n2 -> print entries between n1 and n2 (n1 not included)\\ | |
2902 |
|
2901 | |||
2903 | This history is automatically maintained by the %cd command, and |
|
2902 | This history is automatically maintained by the %cd command, and | |
2904 | always available as the global list variable _dh. You can use %cd -<n> |
|
2903 | always available as the global list variable _dh. You can use %cd -<n> | |
2905 | to go to directory number <n>. |
|
2904 | to go to directory number <n>. | |
2906 |
|
2905 | |||
2907 | Note that most of time, you should view directory history by entering |
|
2906 | Note that most of time, you should view directory history by entering | |
2908 | cd -<TAB>. |
|
2907 | cd -<TAB>. | |
2909 |
|
2908 | |||
2910 | """ |
|
2909 | """ | |
2911 |
|
2910 | |||
2912 | dh = self.shell.user_ns['_dh'] |
|
2911 | dh = self.shell.user_ns['_dh'] | |
2913 | if parameter_s: |
|
2912 | if parameter_s: | |
2914 | try: |
|
2913 | try: | |
2915 | args = map(int,parameter_s.split()) |
|
2914 | args = map(int,parameter_s.split()) | |
2916 | except: |
|
2915 | except: | |
2917 | self.arg_err(Magic.magic_dhist) |
|
2916 | self.arg_err(Magic.magic_dhist) | |
2918 | return |
|
2917 | return | |
2919 | if len(args) == 1: |
|
2918 | if len(args) == 1: | |
2920 | ini,fin = max(len(dh)-(args[0]),0),len(dh) |
|
2919 | ini,fin = max(len(dh)-(args[0]),0),len(dh) | |
2921 | elif len(args) == 2: |
|
2920 | elif len(args) == 2: | |
2922 | ini,fin = args |
|
2921 | ini,fin = args | |
2923 | else: |
|
2922 | else: | |
2924 | self.arg_err(Magic.magic_dhist) |
|
2923 | self.arg_err(Magic.magic_dhist) | |
2925 | return |
|
2924 | return | |
2926 | else: |
|
2925 | else: | |
2927 | ini,fin = 0,len(dh) |
|
2926 | ini,fin = 0,len(dh) | |
2928 | nlprint(dh, |
|
2927 | nlprint(dh, | |
2929 | header = 'Directory history (kept in _dh)', |
|
2928 | header = 'Directory history (kept in _dh)', | |
2930 | start=ini,stop=fin) |
|
2929 | start=ini,stop=fin) | |
2931 |
|
2930 | |||
2932 | @skip_doctest |
|
2931 | @skip_doctest | |
2933 | def magic_sc(self, parameter_s=''): |
|
2932 | def magic_sc(self, parameter_s=''): | |
2934 | """Shell capture - execute a shell command and capture its output. |
|
2933 | """Shell capture - execute a shell command and capture its output. | |
2935 |
|
2934 | |||
2936 | DEPRECATED. Suboptimal, retained for backwards compatibility. |
|
2935 | DEPRECATED. Suboptimal, retained for backwards compatibility. | |
2937 |
|
2936 | |||
2938 | You should use the form 'var = !command' instead. Example: |
|
2937 | You should use the form 'var = !command' instead. Example: | |
2939 |
|
2938 | |||
2940 | "%sc -l myfiles = ls ~" should now be written as |
|
2939 | "%sc -l myfiles = ls ~" should now be written as | |
2941 |
|
2940 | |||
2942 | "myfiles = !ls ~" |
|
2941 | "myfiles = !ls ~" | |
2943 |
|
2942 | |||
2944 | myfiles.s, myfiles.l and myfiles.n still apply as documented |
|
2943 | myfiles.s, myfiles.l and myfiles.n still apply as documented | |
2945 | below. |
|
2944 | below. | |
2946 |
|
2945 | |||
2947 | -- |
|
2946 | -- | |
2948 | %sc [options] varname=command |
|
2947 | %sc [options] varname=command | |
2949 |
|
2948 | |||
2950 | IPython will run the given command using commands.getoutput(), and |
|
2949 | IPython will run the given command using commands.getoutput(), and | |
2951 | will then update the user's interactive namespace with a variable |
|
2950 | will then update the user's interactive namespace with a variable | |
2952 | called varname, containing the value of the call. Your command can |
|
2951 | called varname, containing the value of the call. Your command can | |
2953 | contain shell wildcards, pipes, etc. |
|
2952 | contain shell wildcards, pipes, etc. | |
2954 |
|
2953 | |||
2955 | The '=' sign in the syntax is mandatory, and the variable name you |
|
2954 | The '=' sign in the syntax is mandatory, and the variable name you | |
2956 | supply must follow Python's standard conventions for valid names. |
|
2955 | supply must follow Python's standard conventions for valid names. | |
2957 |
|
2956 | |||
2958 | (A special format without variable name exists for internal use) |
|
2957 | (A special format without variable name exists for internal use) | |
2959 |
|
2958 | |||
2960 | Options: |
|
2959 | Options: | |
2961 |
|
2960 | |||
2962 | -l: list output. Split the output on newlines into a list before |
|
2961 | -l: list output. Split the output on newlines into a list before | |
2963 | assigning it to the given variable. By default the output is stored |
|
2962 | assigning it to the given variable. By default the output is stored | |
2964 | as a single string. |
|
2963 | as a single string. | |
2965 |
|
2964 | |||
2966 | -v: verbose. Print the contents of the variable. |
|
2965 | -v: verbose. Print the contents of the variable. | |
2967 |
|
2966 | |||
2968 | In most cases you should not need to split as a list, because the |
|
2967 | In most cases you should not need to split as a list, because the | |
2969 | returned value is a special type of string which can automatically |
|
2968 | returned value is a special type of string which can automatically | |
2970 | provide its contents either as a list (split on newlines) or as a |
|
2969 | provide its contents either as a list (split on newlines) or as a | |
2971 | space-separated string. These are convenient, respectively, either |
|
2970 | space-separated string. These are convenient, respectively, either | |
2972 | for sequential processing or to be passed to a shell command. |
|
2971 | for sequential processing or to be passed to a shell command. | |
2973 |
|
2972 | |||
2974 | For example: |
|
2973 | For example: | |
2975 |
|
2974 | |||
2976 | # all-random |
|
2975 | # all-random | |
2977 |
|
2976 | |||
2978 | # Capture into variable a |
|
2977 | # Capture into variable a | |
2979 | In [1]: sc a=ls *py |
|
2978 | In [1]: sc a=ls *py | |
2980 |
|
2979 | |||
2981 | # a is a string with embedded newlines |
|
2980 | # a is a string with embedded newlines | |
2982 | In [2]: a |
|
2981 | In [2]: a | |
2983 | Out[2]: 'setup.py\\nwin32_manual_post_install.py' |
|
2982 | Out[2]: 'setup.py\\nwin32_manual_post_install.py' | |
2984 |
|
2983 | |||
2985 | # which can be seen as a list: |
|
2984 | # which can be seen as a list: | |
2986 | In [3]: a.l |
|
2985 | In [3]: a.l | |
2987 | Out[3]: ['setup.py', 'win32_manual_post_install.py'] |
|
2986 | Out[3]: ['setup.py', 'win32_manual_post_install.py'] | |
2988 |
|
2987 | |||
2989 | # or as a whitespace-separated string: |
|
2988 | # or as a whitespace-separated string: | |
2990 | In [4]: a.s |
|
2989 | In [4]: a.s | |
2991 | Out[4]: 'setup.py win32_manual_post_install.py' |
|
2990 | Out[4]: 'setup.py win32_manual_post_install.py' | |
2992 |
|
2991 | |||
2993 | # a.s is useful to pass as a single command line: |
|
2992 | # a.s is useful to pass as a single command line: | |
2994 | In [5]: !wc -l $a.s |
|
2993 | In [5]: !wc -l $a.s | |
2995 | 146 setup.py |
|
2994 | 146 setup.py | |
2996 | 130 win32_manual_post_install.py |
|
2995 | 130 win32_manual_post_install.py | |
2997 | 276 total |
|
2996 | 276 total | |
2998 |
|
2997 | |||
2999 | # while the list form is useful to loop over: |
|
2998 | # while the list form is useful to loop over: | |
3000 | In [6]: for f in a.l: |
|
2999 | In [6]: for f in a.l: | |
3001 | ...: !wc -l $f |
|
3000 | ...: !wc -l $f | |
3002 | ...: |
|
3001 | ...: | |
3003 | 146 setup.py |
|
3002 | 146 setup.py | |
3004 | 130 win32_manual_post_install.py |
|
3003 | 130 win32_manual_post_install.py | |
3005 |
|
3004 | |||
3006 | Similiarly, the lists returned by the -l option are also special, in |
|
3005 | Similiarly, the lists returned by the -l option are also special, in | |
3007 | the sense that you can equally invoke the .s attribute on them to |
|
3006 | the sense that you can equally invoke the .s attribute on them to | |
3008 | automatically get a whitespace-separated string from their contents: |
|
3007 | automatically get a whitespace-separated string from their contents: | |
3009 |
|
3008 | |||
3010 | In [7]: sc -l b=ls *py |
|
3009 | In [7]: sc -l b=ls *py | |
3011 |
|
3010 | |||
3012 | In [8]: b |
|
3011 | In [8]: b | |
3013 | Out[8]: ['setup.py', 'win32_manual_post_install.py'] |
|
3012 | Out[8]: ['setup.py', 'win32_manual_post_install.py'] | |
3014 |
|
3013 | |||
3015 | In [9]: b.s |
|
3014 | In [9]: b.s | |
3016 | Out[9]: 'setup.py win32_manual_post_install.py' |
|
3015 | Out[9]: 'setup.py win32_manual_post_install.py' | |
3017 |
|
3016 | |||
3018 | In summary, both the lists and strings used for ouptut capture have |
|
3017 | In summary, both the lists and strings used for ouptut capture have | |
3019 | the following special attributes: |
|
3018 | the following special attributes: | |
3020 |
|
3019 | |||
3021 | .l (or .list) : value as list. |
|
3020 | .l (or .list) : value as list. | |
3022 | .n (or .nlstr): value as newline-separated string. |
|
3021 | .n (or .nlstr): value as newline-separated string. | |
3023 | .s (or .spstr): value as space-separated string. |
|
3022 | .s (or .spstr): value as space-separated string. | |
3024 | """ |
|
3023 | """ | |
3025 |
|
3024 | |||
3026 | opts,args = self.parse_options(parameter_s,'lv') |
|
3025 | opts,args = self.parse_options(parameter_s,'lv') | |
3027 | # Try to get a variable name and command to run |
|
3026 | # Try to get a variable name and command to run | |
3028 | try: |
|
3027 | try: | |
3029 | # the variable name must be obtained from the parse_options |
|
3028 | # the variable name must be obtained from the parse_options | |
3030 | # output, which uses shlex.split to strip options out. |
|
3029 | # output, which uses shlex.split to strip options out. | |
3031 | var,_ = args.split('=',1) |
|
3030 | var,_ = args.split('=',1) | |
3032 | var = var.strip() |
|
3031 | var = var.strip() | |
3033 | # But the the command has to be extracted from the original input |
|
3032 | # But the the command has to be extracted from the original input | |
3034 | # parameter_s, not on what parse_options returns, to avoid the |
|
3033 | # parameter_s, not on what parse_options returns, to avoid the | |
3035 | # quote stripping which shlex.split performs on it. |
|
3034 | # quote stripping which shlex.split performs on it. | |
3036 | _,cmd = parameter_s.split('=',1) |
|
3035 | _,cmd = parameter_s.split('=',1) | |
3037 | except ValueError: |
|
3036 | except ValueError: | |
3038 | var,cmd = '','' |
|
3037 | var,cmd = '','' | |
3039 | # If all looks ok, proceed |
|
3038 | # If all looks ok, proceed | |
3040 | split = 'l' in opts |
|
3039 | split = 'l' in opts | |
3041 | out = self.shell.getoutput(cmd, split=split) |
|
3040 | out = self.shell.getoutput(cmd, split=split) | |
3042 | if opts.has_key('v'): |
|
3041 | if opts.has_key('v'): | |
3043 | print '%s ==\n%s' % (var,pformat(out)) |
|
3042 | print '%s ==\n%s' % (var,pformat(out)) | |
3044 | if var: |
|
3043 | if var: | |
3045 | self.shell.user_ns.update({var:out}) |
|
3044 | self.shell.user_ns.update({var:out}) | |
3046 | else: |
|
3045 | else: | |
3047 | return out |
|
3046 | return out | |
3048 |
|
3047 | |||
3049 | def magic_sx(self, parameter_s=''): |
|
3048 | def magic_sx(self, parameter_s=''): | |
3050 | """Shell execute - run a shell command and capture its output. |
|
3049 | """Shell execute - run a shell command and capture its output. | |
3051 |
|
3050 | |||
3052 | %sx command |
|
3051 | %sx command | |
3053 |
|
3052 | |||
3054 | IPython will run the given command using commands.getoutput(), and |
|
3053 | IPython will run the given command using commands.getoutput(), and | |
3055 | return the result formatted as a list (split on '\\n'). Since the |
|
3054 | return the result formatted as a list (split on '\\n'). Since the | |
3056 | output is _returned_, it will be stored in ipython's regular output |
|
3055 | output is _returned_, it will be stored in ipython's regular output | |
3057 | cache Out[N] and in the '_N' automatic variables. |
|
3056 | cache Out[N] and in the '_N' automatic variables. | |
3058 |
|
3057 | |||
3059 | Notes: |
|
3058 | Notes: | |
3060 |
|
3059 | |||
3061 | 1) If an input line begins with '!!', then %sx is automatically |
|
3060 | 1) If an input line begins with '!!', then %sx is automatically | |
3062 | invoked. That is, while: |
|
3061 | invoked. That is, while: | |
3063 | !ls |
|
3062 | !ls | |
3064 | causes ipython to simply issue system('ls'), typing |
|
3063 | causes ipython to simply issue system('ls'), typing | |
3065 | !!ls |
|
3064 | !!ls | |
3066 | is a shorthand equivalent to: |
|
3065 | is a shorthand equivalent to: | |
3067 | %sx ls |
|
3066 | %sx ls | |
3068 |
|
3067 | |||
3069 | 2) %sx differs from %sc in that %sx automatically splits into a list, |
|
3068 | 2) %sx differs from %sc in that %sx automatically splits into a list, | |
3070 | like '%sc -l'. The reason for this is to make it as easy as possible |
|
3069 | like '%sc -l'. The reason for this is to make it as easy as possible | |
3071 | to process line-oriented shell output via further python commands. |
|
3070 | to process line-oriented shell output via further python commands. | |
3072 | %sc is meant to provide much finer control, but requires more |
|
3071 | %sc is meant to provide much finer control, but requires more | |
3073 | typing. |
|
3072 | typing. | |
3074 |
|
3073 | |||
3075 | 3) Just like %sc -l, this is a list with special attributes: |
|
3074 | 3) Just like %sc -l, this is a list with special attributes: | |
3076 |
|
3075 | |||
3077 | .l (or .list) : value as list. |
|
3076 | .l (or .list) : value as list. | |
3078 | .n (or .nlstr): value as newline-separated string. |
|
3077 | .n (or .nlstr): value as newline-separated string. | |
3079 | .s (or .spstr): value as whitespace-separated string. |
|
3078 | .s (or .spstr): value as whitespace-separated string. | |
3080 |
|
3079 | |||
3081 | This is very useful when trying to use such lists as arguments to |
|
3080 | This is very useful when trying to use such lists as arguments to | |
3082 | system commands.""" |
|
3081 | system commands.""" | |
3083 |
|
3082 | |||
3084 | if parameter_s: |
|
3083 | if parameter_s: | |
3085 | return self.shell.getoutput(parameter_s) |
|
3084 | return self.shell.getoutput(parameter_s) | |
3086 |
|
3085 | |||
3087 |
|
3086 | |||
3088 | def magic_bookmark(self, parameter_s=''): |
|
3087 | def magic_bookmark(self, parameter_s=''): | |
3089 | """Manage IPython's bookmark system. |
|
3088 | """Manage IPython's bookmark system. | |
3090 |
|
3089 | |||
3091 | %bookmark <name> - set bookmark to current dir |
|
3090 | %bookmark <name> - set bookmark to current dir | |
3092 | %bookmark <name> <dir> - set bookmark to <dir> |
|
3091 | %bookmark <name> <dir> - set bookmark to <dir> | |
3093 | %bookmark -l - list all bookmarks |
|
3092 | %bookmark -l - list all bookmarks | |
3094 | %bookmark -d <name> - remove bookmark |
|
3093 | %bookmark -d <name> - remove bookmark | |
3095 | %bookmark -r - remove all bookmarks |
|
3094 | %bookmark -r - remove all bookmarks | |
3096 |
|
3095 | |||
3097 | You can later on access a bookmarked folder with: |
|
3096 | You can later on access a bookmarked folder with: | |
3098 | %cd -b <name> |
|
3097 | %cd -b <name> | |
3099 | or simply '%cd <name>' if there is no directory called <name> AND |
|
3098 | or simply '%cd <name>' if there is no directory called <name> AND | |
3100 | there is such a bookmark defined. |
|
3099 | there is such a bookmark defined. | |
3101 |
|
3100 | |||
3102 | Your bookmarks persist through IPython sessions, but they are |
|
3101 | Your bookmarks persist through IPython sessions, but they are | |
3103 | associated with each profile.""" |
|
3102 | associated with each profile.""" | |
3104 |
|
3103 | |||
3105 | opts,args = self.parse_options(parameter_s,'drl',mode='list') |
|
3104 | opts,args = self.parse_options(parameter_s,'drl',mode='list') | |
3106 | if len(args) > 2: |
|
3105 | if len(args) > 2: | |
3107 | raise UsageError("%bookmark: too many arguments") |
|
3106 | raise UsageError("%bookmark: too many arguments") | |
3108 |
|
3107 | |||
3109 | bkms = self.db.get('bookmarks',{}) |
|
3108 | bkms = self.db.get('bookmarks',{}) | |
3110 |
|
3109 | |||
3111 | if opts.has_key('d'): |
|
3110 | if opts.has_key('d'): | |
3112 | try: |
|
3111 | try: | |
3113 | todel = args[0] |
|
3112 | todel = args[0] | |
3114 | except IndexError: |
|
3113 | except IndexError: | |
3115 | raise UsageError( |
|
3114 | raise UsageError( | |
3116 | "%bookmark -d: must provide a bookmark to delete") |
|
3115 | "%bookmark -d: must provide a bookmark to delete") | |
3117 | else: |
|
3116 | else: | |
3118 | try: |
|
3117 | try: | |
3119 | del bkms[todel] |
|
3118 | del bkms[todel] | |
3120 | except KeyError: |
|
3119 | except KeyError: | |
3121 | raise UsageError( |
|
3120 | raise UsageError( | |
3122 | "%%bookmark -d: Can't delete bookmark '%s'" % todel) |
|
3121 | "%%bookmark -d: Can't delete bookmark '%s'" % todel) | |
3123 |
|
3122 | |||
3124 | elif opts.has_key('r'): |
|
3123 | elif opts.has_key('r'): | |
3125 | bkms = {} |
|
3124 | bkms = {} | |
3126 | elif opts.has_key('l'): |
|
3125 | elif opts.has_key('l'): | |
3127 | bks = bkms.keys() |
|
3126 | bks = bkms.keys() | |
3128 | bks.sort() |
|
3127 | bks.sort() | |
3129 | if bks: |
|
3128 | if bks: | |
3130 | size = max(map(len,bks)) |
|
3129 | size = max(map(len,bks)) | |
3131 | else: |
|
3130 | else: | |
3132 | size = 0 |
|
3131 | size = 0 | |
3133 | fmt = '%-'+str(size)+'s -> %s' |
|
3132 | fmt = '%-'+str(size)+'s -> %s' | |
3134 | print 'Current bookmarks:' |
|
3133 | print 'Current bookmarks:' | |
3135 | for bk in bks: |
|
3134 | for bk in bks: | |
3136 | print fmt % (bk,bkms[bk]) |
|
3135 | print fmt % (bk,bkms[bk]) | |
3137 | else: |
|
3136 | else: | |
3138 | if not args: |
|
3137 | if not args: | |
3139 | raise UsageError("%bookmark: You must specify the bookmark name") |
|
3138 | raise UsageError("%bookmark: You must specify the bookmark name") | |
3140 | elif len(args)==1: |
|
3139 | elif len(args)==1: | |
3141 | bkms[args[0]] = os.getcwdu() |
|
3140 | bkms[args[0]] = os.getcwdu() | |
3142 | elif len(args)==2: |
|
3141 | elif len(args)==2: | |
3143 | bkms[args[0]] = args[1] |
|
3142 | bkms[args[0]] = args[1] | |
3144 | self.db['bookmarks'] = bkms |
|
3143 | self.db['bookmarks'] = bkms | |
3145 |
|
3144 | |||
3146 | def magic_pycat(self, parameter_s=''): |
|
3145 | def magic_pycat(self, parameter_s=''): | |
3147 | """Show a syntax-highlighted file through a pager. |
|
3146 | """Show a syntax-highlighted file through a pager. | |
3148 |
|
3147 | |||
3149 | This magic is similar to the cat utility, but it will assume the file |
|
3148 | This magic is similar to the cat utility, but it will assume the file | |
3150 | to be Python source and will show it with syntax highlighting. """ |
|
3149 | to be Python source and will show it with syntax highlighting. """ | |
3151 |
|
3150 | |||
3152 | try: |
|
3151 | try: | |
3153 | filename = get_py_filename(parameter_s) |
|
3152 | filename = get_py_filename(parameter_s) | |
3154 | cont = file_read(filename) |
|
3153 | cont = file_read(filename) | |
3155 | except IOError: |
|
3154 | except IOError: | |
3156 | try: |
|
3155 | try: | |
3157 | cont = eval(parameter_s,self.user_ns) |
|
3156 | cont = eval(parameter_s,self.user_ns) | |
3158 | except NameError: |
|
3157 | except NameError: | |
3159 | cont = None |
|
3158 | cont = None | |
3160 | if cont is None: |
|
3159 | if cont is None: | |
3161 | print "Error: no such file or variable" |
|
3160 | print "Error: no such file or variable" | |
3162 | return |
|
3161 | return | |
3163 |
|
3162 | |||
3164 | page.page(self.shell.pycolorize(cont)) |
|
3163 | page.page(self.shell.pycolorize(cont)) | |
3165 |
|
3164 | |||
3166 | def _rerun_pasted(self): |
|
3165 | def _rerun_pasted(self): | |
3167 | """ Rerun a previously pasted command. |
|
3166 | """ Rerun a previously pasted command. | |
3168 | """ |
|
3167 | """ | |
3169 | b = self.user_ns.get('pasted_block', None) |
|
3168 | b = self.user_ns.get('pasted_block', None) | |
3170 | if b is None: |
|
3169 | if b is None: | |
3171 | raise UsageError('No previous pasted block available') |
|
3170 | raise UsageError('No previous pasted block available') | |
3172 | print "Re-executing '%s...' (%d chars)"% (b.split('\n',1)[0], len(b)) |
|
3171 | print "Re-executing '%s...' (%d chars)"% (b.split('\n',1)[0], len(b)) | |
3173 | exec b in self.user_ns |
|
3172 | exec b in self.user_ns | |
3174 |
|
3173 | |||
3175 | def _get_pasted_lines(self, sentinel): |
|
3174 | def _get_pasted_lines(self, sentinel): | |
3176 | """ Yield pasted lines until the user enters the given sentinel value. |
|
3175 | """ Yield pasted lines until the user enters the given sentinel value. | |
3177 | """ |
|
3176 | """ | |
3178 | from IPython.core import interactiveshell |
|
3177 | from IPython.core import interactiveshell | |
3179 | print "Pasting code; enter '%s' alone on the line to stop." % sentinel |
|
3178 | print "Pasting code; enter '%s' alone on the line to stop." % sentinel | |
3180 | while True: |
|
3179 | while True: | |
3181 | l = self.shell.raw_input_original(':') |
|
3180 | l = self.shell.raw_input_original(':') | |
3182 | if l == sentinel: |
|
3181 | if l == sentinel: | |
3183 | return |
|
3182 | return | |
3184 | else: |
|
3183 | else: | |
3185 | yield l |
|
3184 | yield l | |
3186 |
|
3185 | |||
3187 | def _strip_pasted_lines_for_code(self, raw_lines): |
|
3186 | def _strip_pasted_lines_for_code(self, raw_lines): | |
3188 | """ Strip non-code parts of a sequence of lines to return a block of |
|
3187 | """ Strip non-code parts of a sequence of lines to return a block of | |
3189 | code. |
|
3188 | code. | |
3190 | """ |
|
3189 | """ | |
3191 | # Regular expressions that declare text we strip from the input: |
|
3190 | # Regular expressions that declare text we strip from the input: | |
3192 | strip_re = [r'^\s*In \[\d+\]:', # IPython input prompt |
|
3191 | strip_re = [r'^\s*In \[\d+\]:', # IPython input prompt | |
3193 | r'^\s*(\s?>)+', # Python input prompt |
|
3192 | r'^\s*(\s?>)+', # Python input prompt | |
3194 | r'^\s*\.{3,}', # Continuation prompts |
|
3193 | r'^\s*\.{3,}', # Continuation prompts | |
3195 | r'^\++', |
|
3194 | r'^\++', | |
3196 | ] |
|
3195 | ] | |
3197 |
|
3196 | |||
3198 | strip_from_start = map(re.compile,strip_re) |
|
3197 | strip_from_start = map(re.compile,strip_re) | |
3199 |
|
3198 | |||
3200 | lines = [] |
|
3199 | lines = [] | |
3201 | for l in raw_lines: |
|
3200 | for l in raw_lines: | |
3202 | for pat in strip_from_start: |
|
3201 | for pat in strip_from_start: | |
3203 | l = pat.sub('',l) |
|
3202 | l = pat.sub('',l) | |
3204 | lines.append(l) |
|
3203 | lines.append(l) | |
3205 |
|
3204 | |||
3206 | block = "\n".join(lines) + '\n' |
|
3205 | block = "\n".join(lines) + '\n' | |
3207 | #print "block:\n",block |
|
3206 | #print "block:\n",block | |
3208 | return block |
|
3207 | return block | |
3209 |
|
3208 | |||
3210 | def _execute_block(self, block, par): |
|
3209 | def _execute_block(self, block, par): | |
3211 | """ Execute a block, or store it in a variable, per the user's request. |
|
3210 | """ Execute a block, or store it in a variable, per the user's request. | |
3212 | """ |
|
3211 | """ | |
3213 | if not par: |
|
3212 | if not par: | |
3214 | b = textwrap.dedent(block) |
|
3213 | b = textwrap.dedent(block) | |
3215 | self.user_ns['pasted_block'] = b |
|
3214 | self.user_ns['pasted_block'] = b | |
3216 | exec b in self.user_ns |
|
3215 | exec b in self.user_ns | |
3217 | else: |
|
3216 | else: | |
3218 | self.user_ns[par] = SList(block.splitlines()) |
|
3217 | self.user_ns[par] = SList(block.splitlines()) | |
3219 | print "Block assigned to '%s'" % par |
|
3218 | print "Block assigned to '%s'" % par | |
3220 |
|
3219 | |||
3221 | def magic_quickref(self,arg): |
|
3220 | def magic_quickref(self,arg): | |
3222 | """ Show a quick reference sheet """ |
|
3221 | """ Show a quick reference sheet """ | |
3223 | import IPython.core.usage |
|
3222 | import IPython.core.usage | |
3224 | qr = IPython.core.usage.quick_reference + self.magic_magic('-brief') |
|
3223 | qr = IPython.core.usage.quick_reference + self.magic_magic('-brief') | |
3225 |
|
3224 | |||
3226 | page.page(qr) |
|
3225 | page.page(qr) | |
3227 |
|
3226 | |||
3228 | def magic_doctest_mode(self,parameter_s=''): |
|
3227 | def magic_doctest_mode(self,parameter_s=''): | |
3229 | """Toggle doctest mode on and off. |
|
3228 | """Toggle doctest mode on and off. | |
3230 |
|
3229 | |||
3231 | This mode is intended to make IPython behave as much as possible like a |
|
3230 | This mode is intended to make IPython behave as much as possible like a | |
3232 | plain Python shell, from the perspective of how its prompts, exceptions |
|
3231 | plain Python shell, from the perspective of how its prompts, exceptions | |
3233 | and output look. This makes it easy to copy and paste parts of a |
|
3232 | and output look. This makes it easy to copy and paste parts of a | |
3234 | session into doctests. It does so by: |
|
3233 | session into doctests. It does so by: | |
3235 |
|
3234 | |||
3236 | - Changing the prompts to the classic ``>>>`` ones. |
|
3235 | - Changing the prompts to the classic ``>>>`` ones. | |
3237 | - Changing the exception reporting mode to 'Plain'. |
|
3236 | - Changing the exception reporting mode to 'Plain'. | |
3238 | - Disabling pretty-printing of output. |
|
3237 | - Disabling pretty-printing of output. | |
3239 |
|
3238 | |||
3240 | Note that IPython also supports the pasting of code snippets that have |
|
3239 | Note that IPython also supports the pasting of code snippets that have | |
3241 | leading '>>>' and '...' prompts in them. This means that you can paste |
|
3240 | leading '>>>' and '...' prompts in them. This means that you can paste | |
3242 | doctests from files or docstrings (even if they have leading |
|
3241 | doctests from files or docstrings (even if they have leading | |
3243 | whitespace), and the code will execute correctly. You can then use |
|
3242 | whitespace), and the code will execute correctly. You can then use | |
3244 | '%history -t' to see the translated history; this will give you the |
|
3243 | '%history -t' to see the translated history; this will give you the | |
3245 | input after removal of all the leading prompts and whitespace, which |
|
3244 | input after removal of all the leading prompts and whitespace, which | |
3246 | can be pasted back into an editor. |
|
3245 | can be pasted back into an editor. | |
3247 |
|
3246 | |||
3248 | With these features, you can switch into this mode easily whenever you |
|
3247 | With these features, you can switch into this mode easily whenever you | |
3249 | need to do testing and changes to doctests, without having to leave |
|
3248 | need to do testing and changes to doctests, without having to leave | |
3250 | your existing IPython session. |
|
3249 | your existing IPython session. | |
3251 | """ |
|
3250 | """ | |
3252 |
|
3251 | |||
3253 | from IPython.utils.ipstruct import Struct |
|
3252 | from IPython.utils.ipstruct import Struct | |
3254 |
|
3253 | |||
3255 | # Shorthands |
|
3254 | # Shorthands | |
3256 | shell = self.shell |
|
3255 | shell = self.shell | |
3257 | oc = shell.displayhook |
|
3256 | oc = shell.displayhook | |
3258 | meta = shell.meta |
|
3257 | meta = shell.meta | |
3259 | disp_formatter = self.shell.display_formatter |
|
3258 | disp_formatter = self.shell.display_formatter | |
3260 | ptformatter = disp_formatter.formatters['text/plain'] |
|
3259 | ptformatter = disp_formatter.formatters['text/plain'] | |
3261 | # dstore is a data store kept in the instance metadata bag to track any |
|
3260 | # dstore is a data store kept in the instance metadata bag to track any | |
3262 | # changes we make, so we can undo them later. |
|
3261 | # changes we make, so we can undo them later. | |
3263 | dstore = meta.setdefault('doctest_mode',Struct()) |
|
3262 | dstore = meta.setdefault('doctest_mode',Struct()) | |
3264 | save_dstore = dstore.setdefault |
|
3263 | save_dstore = dstore.setdefault | |
3265 |
|
3264 | |||
3266 | # save a few values we'll need to recover later |
|
3265 | # save a few values we'll need to recover later | |
3267 | mode = save_dstore('mode',False) |
|
3266 | mode = save_dstore('mode',False) | |
3268 | save_dstore('rc_pprint',ptformatter.pprint) |
|
3267 | save_dstore('rc_pprint',ptformatter.pprint) | |
3269 | save_dstore('xmode',shell.InteractiveTB.mode) |
|
3268 | save_dstore('xmode',shell.InteractiveTB.mode) | |
3270 | save_dstore('rc_separate_out',shell.separate_out) |
|
3269 | save_dstore('rc_separate_out',shell.separate_out) | |
3271 | save_dstore('rc_separate_out2',shell.separate_out2) |
|
3270 | save_dstore('rc_separate_out2',shell.separate_out2) | |
3272 | save_dstore('rc_prompts_pad_left',shell.prompts_pad_left) |
|
3271 | save_dstore('rc_prompts_pad_left',shell.prompts_pad_left) | |
3273 | save_dstore('rc_separate_in',shell.separate_in) |
|
3272 | save_dstore('rc_separate_in',shell.separate_in) | |
3274 | save_dstore('rc_plain_text_only',disp_formatter.plain_text_only) |
|
3273 | save_dstore('rc_plain_text_only',disp_formatter.plain_text_only) | |
3275 |
|
3274 | |||
3276 | if mode == False: |
|
3275 | if mode == False: | |
3277 | # turn on |
|
3276 | # turn on | |
3278 | oc.prompt1.p_template = '>>> ' |
|
3277 | oc.prompt1.p_template = '>>> ' | |
3279 | oc.prompt2.p_template = '... ' |
|
3278 | oc.prompt2.p_template = '... ' | |
3280 | oc.prompt_out.p_template = '' |
|
3279 | oc.prompt_out.p_template = '' | |
3281 |
|
3280 | |||
3282 | # Prompt separators like plain python |
|
3281 | # Prompt separators like plain python | |
3283 | oc.input_sep = oc.prompt1.sep = '' |
|
3282 | oc.input_sep = oc.prompt1.sep = '' | |
3284 | oc.output_sep = '' |
|
3283 | oc.output_sep = '' | |
3285 | oc.output_sep2 = '' |
|
3284 | oc.output_sep2 = '' | |
3286 |
|
3285 | |||
3287 | oc.prompt1.pad_left = oc.prompt2.pad_left = \ |
|
3286 | oc.prompt1.pad_left = oc.prompt2.pad_left = \ | |
3288 | oc.prompt_out.pad_left = False |
|
3287 | oc.prompt_out.pad_left = False | |
3289 |
|
3288 | |||
3290 | ptformatter.pprint = False |
|
3289 | ptformatter.pprint = False | |
3291 | disp_formatter.plain_text_only = True |
|
3290 | disp_formatter.plain_text_only = True | |
3292 |
|
3291 | |||
3293 | shell.magic_xmode('Plain') |
|
3292 | shell.magic_xmode('Plain') | |
3294 | else: |
|
3293 | else: | |
3295 | # turn off |
|
3294 | # turn off | |
3296 | oc.prompt1.p_template = shell.prompt_in1 |
|
3295 | oc.prompt1.p_template = shell.prompt_in1 | |
3297 | oc.prompt2.p_template = shell.prompt_in2 |
|
3296 | oc.prompt2.p_template = shell.prompt_in2 | |
3298 | oc.prompt_out.p_template = shell.prompt_out |
|
3297 | oc.prompt_out.p_template = shell.prompt_out | |
3299 |
|
3298 | |||
3300 | oc.input_sep = oc.prompt1.sep = dstore.rc_separate_in |
|
3299 | oc.input_sep = oc.prompt1.sep = dstore.rc_separate_in | |
3301 |
|
3300 | |||
3302 | oc.output_sep = dstore.rc_separate_out |
|
3301 | oc.output_sep = dstore.rc_separate_out | |
3303 | oc.output_sep2 = dstore.rc_separate_out2 |
|
3302 | oc.output_sep2 = dstore.rc_separate_out2 | |
3304 |
|
3303 | |||
3305 | oc.prompt1.pad_left = oc.prompt2.pad_left = \ |
|
3304 | oc.prompt1.pad_left = oc.prompt2.pad_left = \ | |
3306 | oc.prompt_out.pad_left = dstore.rc_prompts_pad_left |
|
3305 | oc.prompt_out.pad_left = dstore.rc_prompts_pad_left | |
3307 |
|
3306 | |||
3308 | ptformatter.pprint = dstore.rc_pprint |
|
3307 | ptformatter.pprint = dstore.rc_pprint | |
3309 | disp_formatter.plain_text_only = dstore.rc_plain_text_only |
|
3308 | disp_formatter.plain_text_only = dstore.rc_plain_text_only | |
3310 |
|
3309 | |||
3311 | shell.magic_xmode(dstore.xmode) |
|
3310 | shell.magic_xmode(dstore.xmode) | |
3312 |
|
3311 | |||
3313 | # Store new mode and inform |
|
3312 | # Store new mode and inform | |
3314 | dstore.mode = bool(1-int(mode)) |
|
3313 | dstore.mode = bool(1-int(mode)) | |
3315 | mode_label = ['OFF','ON'][dstore.mode] |
|
3314 | mode_label = ['OFF','ON'][dstore.mode] | |
3316 | print 'Doctest mode is:', mode_label |
|
3315 | print 'Doctest mode is:', mode_label | |
3317 |
|
3316 | |||
3318 | def magic_gui(self, parameter_s=''): |
|
3317 | def magic_gui(self, parameter_s=''): | |
3319 | """Enable or disable IPython GUI event loop integration. |
|
3318 | """Enable or disable IPython GUI event loop integration. | |
3320 |
|
3319 | |||
3321 | %gui [GUINAME] |
|
3320 | %gui [GUINAME] | |
3322 |
|
3321 | |||
3323 | This magic replaces IPython's threaded shells that were activated |
|
3322 | This magic replaces IPython's threaded shells that were activated | |
3324 | using the (pylab/wthread/etc.) command line flags. GUI toolkits |
|
3323 | using the (pylab/wthread/etc.) command line flags. GUI toolkits | |
3325 | can now be enabled, disabled and changed at runtime and keyboard |
|
3324 | can now be enabled, disabled and changed at runtime and keyboard | |
3326 | interrupts should work without any problems. The following toolkits |
|
3325 | interrupts should work without any problems. The following toolkits | |
3327 | are supported: wxPython, PyQt4, PyGTK, and Tk:: |
|
3326 | are supported: wxPython, PyQt4, PyGTK, and Tk:: | |
3328 |
|
3327 | |||
3329 | %gui wx # enable wxPython event loop integration |
|
3328 | %gui wx # enable wxPython event loop integration | |
3330 | %gui qt4|qt # enable PyQt4 event loop integration |
|
3329 | %gui qt4|qt # enable PyQt4 event loop integration | |
3331 | %gui gtk # enable PyGTK event loop integration |
|
3330 | %gui gtk # enable PyGTK event loop integration | |
3332 | %gui tk # enable Tk event loop integration |
|
3331 | %gui tk # enable Tk event loop integration | |
3333 | %gui # disable all event loop integration |
|
3332 | %gui # disable all event loop integration | |
3334 |
|
3333 | |||
3335 | WARNING: after any of these has been called you can simply create |
|
3334 | WARNING: after any of these has been called you can simply create | |
3336 | an application object, but DO NOT start the event loop yourself, as |
|
3335 | an application object, but DO NOT start the event loop yourself, as | |
3337 | we have already handled that. |
|
3336 | we have already handled that. | |
3338 | """ |
|
3337 | """ | |
3339 | from IPython.lib.inputhook import enable_gui |
|
3338 | from IPython.lib.inputhook import enable_gui | |
3340 | opts, arg = self.parse_options(parameter_s, '') |
|
3339 | opts, arg = self.parse_options(parameter_s, '') | |
3341 | if arg=='': arg = None |
|
3340 | if arg=='': arg = None | |
3342 | return enable_gui(arg) |
|
3341 | return enable_gui(arg) | |
3343 |
|
3342 | |||
3344 | def magic_load_ext(self, module_str): |
|
3343 | def magic_load_ext(self, module_str): | |
3345 | """Load an IPython extension by its module name.""" |
|
3344 | """Load an IPython extension by its module name.""" | |
3346 | return self.extension_manager.load_extension(module_str) |
|
3345 | return self.extension_manager.load_extension(module_str) | |
3347 |
|
3346 | |||
3348 | def magic_unload_ext(self, module_str): |
|
3347 | def magic_unload_ext(self, module_str): | |
3349 | """Unload an IPython extension by its module name.""" |
|
3348 | """Unload an IPython extension by its module name.""" | |
3350 | self.extension_manager.unload_extension(module_str) |
|
3349 | self.extension_manager.unload_extension(module_str) | |
3351 |
|
3350 | |||
3352 | def magic_reload_ext(self, module_str): |
|
3351 | def magic_reload_ext(self, module_str): | |
3353 | """Reload an IPython extension by its module name.""" |
|
3352 | """Reload an IPython extension by its module name.""" | |
3354 | self.extension_manager.reload_extension(module_str) |
|
3353 | self.extension_manager.reload_extension(module_str) | |
3355 |
|
3354 | |||
3356 | @skip_doctest |
|
3355 | @skip_doctest | |
3357 | def magic_install_profiles(self, s): |
|
3356 | def magic_install_profiles(self, s): | |
3358 | """Install the default IPython profiles into the .ipython dir. |
|
3357 | """Install the default IPython profiles into the .ipython dir. | |
3359 |
|
3358 | |||
3360 | If the default profiles have already been installed, they will not |
|
3359 | If the default profiles have already been installed, they will not | |
3361 | be overwritten. You can force overwriting them by using the ``-o`` |
|
3360 | be overwritten. You can force overwriting them by using the ``-o`` | |
3362 | option:: |
|
3361 | option:: | |
3363 |
|
3362 | |||
3364 | In [1]: %install_profiles -o |
|
3363 | In [1]: %install_profiles -o | |
3365 | """ |
|
3364 | """ | |
3366 | if '-o' in s: |
|
3365 | if '-o' in s: | |
3367 | overwrite = True |
|
3366 | overwrite = True | |
3368 | else: |
|
3367 | else: | |
3369 | overwrite = False |
|
3368 | overwrite = False | |
3370 | from IPython.config import profile |
|
3369 | from IPython.config import profile | |
3371 | profile_dir = os.path.dirname(profile.__file__) |
|
3370 | profile_dir = os.path.dirname(profile.__file__) | |
3372 | ipython_dir = self.ipython_dir |
|
3371 | ipython_dir = self.ipython_dir | |
3373 | print "Installing profiles to: %s [overwrite=%s]"%(ipython_dir,overwrite) |
|
3372 | print "Installing profiles to: %s [overwrite=%s]"%(ipython_dir,overwrite) | |
3374 | for src in os.listdir(profile_dir): |
|
3373 | for src in os.listdir(profile_dir): | |
3375 | if src.startswith('profile_'): |
|
3374 | if src.startswith('profile_'): | |
3376 | name = src.replace('profile_', '') |
|
3375 | name = src.replace('profile_', '') | |
3377 | print " %s"%name |
|
3376 | print " %s"%name | |
3378 | pd = ProfileDir.create_profile_dir_by_name(ipython_dir, name) |
|
3377 | pd = ProfileDir.create_profile_dir_by_name(ipython_dir, name) | |
3379 | pd.copy_config_file('ipython_config.py', path=src, |
|
3378 | pd.copy_config_file('ipython_config.py', path=src, | |
3380 | overwrite=overwrite) |
|
3379 | overwrite=overwrite) | |
3381 |
|
3380 | |||
3382 | @skip_doctest |
|
3381 | @skip_doctest | |
3383 | def magic_install_default_config(self, s): |
|
3382 | def magic_install_default_config(self, s): | |
3384 | """Install IPython's default config file into the .ipython dir. |
|
3383 | """Install IPython's default config file into the .ipython dir. | |
3385 |
|
3384 | |||
3386 | If the default config file (:file:`ipython_config.py`) is already |
|
3385 | If the default config file (:file:`ipython_config.py`) is already | |
3387 | installed, it will not be overwritten. You can force overwriting |
|
3386 | installed, it will not be overwritten. You can force overwriting | |
3388 | by using the ``-o`` option:: |
|
3387 | by using the ``-o`` option:: | |
3389 |
|
3388 | |||
3390 | In [1]: %install_default_config |
|
3389 | In [1]: %install_default_config | |
3391 | """ |
|
3390 | """ | |
3392 | if '-o' in s: |
|
3391 | if '-o' in s: | |
3393 | overwrite = True |
|
3392 | overwrite = True | |
3394 | else: |
|
3393 | else: | |
3395 | overwrite = False |
|
3394 | overwrite = False | |
3396 | pd = self.shell.profile_dir |
|
3395 | pd = self.shell.profile_dir | |
3397 | print "Installing default config file in: %s" % pd.location |
|
3396 | print "Installing default config file in: %s" % pd.location | |
3398 | pd.copy_config_file('ipython_config.py', overwrite=overwrite) |
|
3397 | pd.copy_config_file('ipython_config.py', overwrite=overwrite) | |
3399 |
|
3398 | |||
3400 | # Pylab support: simple wrappers that activate pylab, load gui input |
|
3399 | # Pylab support: simple wrappers that activate pylab, load gui input | |
3401 | # handling and modify slightly %run |
|
3400 | # handling and modify slightly %run | |
3402 |
|
3401 | |||
3403 | @skip_doctest |
|
3402 | @skip_doctest | |
3404 | def _pylab_magic_run(self, parameter_s=''): |
|
3403 | def _pylab_magic_run(self, parameter_s=''): | |
3405 | Magic.magic_run(self, parameter_s, |
|
3404 | Magic.magic_run(self, parameter_s, | |
3406 | runner=mpl_runner(self.shell.safe_execfile)) |
|
3405 | runner=mpl_runner(self.shell.safe_execfile)) | |
3407 |
|
3406 | |||
3408 | _pylab_magic_run.__doc__ = magic_run.__doc__ |
|
3407 | _pylab_magic_run.__doc__ = magic_run.__doc__ | |
3409 |
|
3408 | |||
3410 | @skip_doctest |
|
3409 | @skip_doctest | |
3411 | def magic_pylab(self, s): |
|
3410 | def magic_pylab(self, s): | |
3412 | """Load numpy and matplotlib to work interactively. |
|
3411 | """Load numpy and matplotlib to work interactively. | |
3413 |
|
3412 | |||
3414 | %pylab [GUINAME] |
|
3413 | %pylab [GUINAME] | |
3415 |
|
3414 | |||
3416 | This function lets you activate pylab (matplotlib, numpy and |
|
3415 | This function lets you activate pylab (matplotlib, numpy and | |
3417 | interactive support) at any point during an IPython session. |
|
3416 | interactive support) at any point during an IPython session. | |
3418 |
|
3417 | |||
3419 | It will import at the top level numpy as np, pyplot as plt, matplotlib, |
|
3418 | It will import at the top level numpy as np, pyplot as plt, matplotlib, | |
3420 | pylab and mlab, as well as all names from numpy and pylab. |
|
3419 | pylab and mlab, as well as all names from numpy and pylab. | |
3421 |
|
3420 | |||
3422 | Parameters |
|
3421 | Parameters | |
3423 | ---------- |
|
3422 | ---------- | |
3424 | guiname : optional |
|
3423 | guiname : optional | |
3425 | One of the valid arguments to the %gui magic ('qt', 'wx', 'gtk', 'osx' or |
|
3424 | One of the valid arguments to the %gui magic ('qt', 'wx', 'gtk', 'osx' or | |
3426 | 'tk'). If given, the corresponding Matplotlib backend is used, |
|
3425 | 'tk'). If given, the corresponding Matplotlib backend is used, | |
3427 | otherwise matplotlib's default (which you can override in your |
|
3426 | otherwise matplotlib's default (which you can override in your | |
3428 | matplotlib config file) is used. |
|
3427 | matplotlib config file) is used. | |
3429 |
|
3428 | |||
3430 | Examples |
|
3429 | Examples | |
3431 | -------- |
|
3430 | -------- | |
3432 | In this case, where the MPL default is TkAgg: |
|
3431 | In this case, where the MPL default is TkAgg: | |
3433 | In [2]: %pylab |
|
3432 | In [2]: %pylab | |
3434 |
|
3433 | |||
3435 | Welcome to pylab, a matplotlib-based Python environment. |
|
3434 | Welcome to pylab, a matplotlib-based Python environment. | |
3436 | Backend in use: TkAgg |
|
3435 | Backend in use: TkAgg | |
3437 | For more information, type 'help(pylab)'. |
|
3436 | For more information, type 'help(pylab)'. | |
3438 |
|
3437 | |||
3439 | But you can explicitly request a different backend: |
|
3438 | But you can explicitly request a different backend: | |
3440 | In [3]: %pylab qt |
|
3439 | In [3]: %pylab qt | |
3441 |
|
3440 | |||
3442 | Welcome to pylab, a matplotlib-based Python environment. |
|
3441 | Welcome to pylab, a matplotlib-based Python environment. | |
3443 | Backend in use: Qt4Agg |
|
3442 | Backend in use: Qt4Agg | |
3444 | For more information, type 'help(pylab)'. |
|
3443 | For more information, type 'help(pylab)'. | |
3445 | """ |
|
3444 | """ | |
3446 | self.shell.enable_pylab(s) |
|
3445 | self.shell.enable_pylab(s) | |
3447 |
|
3446 | |||
3448 | def magic_tb(self, s): |
|
3447 | def magic_tb(self, s): | |
3449 | """Print the last traceback with the currently active exception mode. |
|
3448 | """Print the last traceback with the currently active exception mode. | |
3450 |
|
3449 | |||
3451 | See %xmode for changing exception reporting modes.""" |
|
3450 | See %xmode for changing exception reporting modes.""" | |
3452 | self.shell.showtraceback() |
|
3451 | self.shell.showtraceback() | |
3453 |
|
3452 | |||
3454 | @skip_doctest |
|
3453 | @skip_doctest | |
3455 | def magic_precision(self, s=''): |
|
3454 | def magic_precision(self, s=''): | |
3456 | """Set floating point precision for pretty printing. |
|
3455 | """Set floating point precision for pretty printing. | |
3457 |
|
3456 | |||
3458 | Can set either integer precision or a format string. |
|
3457 | Can set either integer precision or a format string. | |
3459 |
|
3458 | |||
3460 | If numpy has been imported and precision is an int, |
|
3459 | If numpy has been imported and precision is an int, | |
3461 | numpy display precision will also be set, via ``numpy.set_printoptions``. |
|
3460 | numpy display precision will also be set, via ``numpy.set_printoptions``. | |
3462 |
|
3461 | |||
3463 | If no argument is given, defaults will be restored. |
|
3462 | If no argument is given, defaults will be restored. | |
3464 |
|
3463 | |||
3465 | Examples |
|
3464 | Examples | |
3466 | -------- |
|
3465 | -------- | |
3467 | :: |
|
3466 | :: | |
3468 |
|
3467 | |||
3469 | In [1]: from math import pi |
|
3468 | In [1]: from math import pi | |
3470 |
|
3469 | |||
3471 | In [2]: %precision 3 |
|
3470 | In [2]: %precision 3 | |
3472 | Out[2]: u'%.3f' |
|
3471 | Out[2]: u'%.3f' | |
3473 |
|
3472 | |||
3474 | In [3]: pi |
|
3473 | In [3]: pi | |
3475 | Out[3]: 3.142 |
|
3474 | Out[3]: 3.142 | |
3476 |
|
3475 | |||
3477 | In [4]: %precision %i |
|
3476 | In [4]: %precision %i | |
3478 | Out[4]: u'%i' |
|
3477 | Out[4]: u'%i' | |
3479 |
|
3478 | |||
3480 | In [5]: pi |
|
3479 | In [5]: pi | |
3481 | Out[5]: 3 |
|
3480 | Out[5]: 3 | |
3482 |
|
3481 | |||
3483 | In [6]: %precision %e |
|
3482 | In [6]: %precision %e | |
3484 | Out[6]: u'%e' |
|
3483 | Out[6]: u'%e' | |
3485 |
|
3484 | |||
3486 | In [7]: pi**10 |
|
3485 | In [7]: pi**10 | |
3487 | Out[7]: 9.364805e+04 |
|
3486 | Out[7]: 9.364805e+04 | |
3488 |
|
3487 | |||
3489 | In [8]: %precision |
|
3488 | In [8]: %precision | |
3490 | Out[8]: u'%r' |
|
3489 | Out[8]: u'%r' | |
3491 |
|
3490 | |||
3492 | In [9]: pi**10 |
|
3491 | In [9]: pi**10 | |
3493 | Out[9]: 93648.047476082982 |
|
3492 | Out[9]: 93648.047476082982 | |
3494 |
|
3493 | |||
3495 | """ |
|
3494 | """ | |
3496 |
|
3495 | |||
3497 | ptformatter = self.shell.display_formatter.formatters['text/plain'] |
|
3496 | ptformatter = self.shell.display_formatter.formatters['text/plain'] | |
3498 | ptformatter.float_precision = s |
|
3497 | ptformatter.float_precision = s | |
3499 | return ptformatter.float_format |
|
3498 | return ptformatter.float_format | |
3500 |
|
3499 | |||
3501 |
|
3500 | |||
3502 | @magic_arguments.magic_arguments() |
|
3501 | @magic_arguments.magic_arguments() | |
3503 | @magic_arguments.argument( |
|
3502 | @magic_arguments.argument( | |
3504 | '-e', '--export', action='store_true', default=False, |
|
3503 | '-e', '--export', action='store_true', default=False, | |
3505 | help='Export IPython history as a notebook. The filename argument ' |
|
3504 | help='Export IPython history as a notebook. The filename argument ' | |
3506 | 'is used to specify the notebook name and format. For example ' |
|
3505 | 'is used to specify the notebook name and format. For example ' | |
3507 | 'a filename of notebook.ipynb will result in a notebook name ' |
|
3506 | 'a filename of notebook.ipynb will result in a notebook name ' | |
3508 | 'of "notebook" and a format of "xml". Likewise using a ".json" ' |
|
3507 | 'of "notebook" and a format of "xml". Likewise using a ".json" ' | |
3509 | 'or ".py" file extension will write the notebook in the json ' |
|
3508 | 'or ".py" file extension will write the notebook in the json ' | |
3510 | 'or py formats.' |
|
3509 | 'or py formats.' | |
3511 | ) |
|
3510 | ) | |
3512 | @magic_arguments.argument( |
|
3511 | @magic_arguments.argument( | |
3513 | '-f', '--format', |
|
3512 | '-f', '--format', | |
3514 | help='Convert an existing IPython notebook to a new format. This option ' |
|
3513 | help='Convert an existing IPython notebook to a new format. This option ' | |
3515 | 'specifies the new format and can have the values: xml, json, py. ' |
|
3514 | 'specifies the new format and can have the values: xml, json, py. ' | |
3516 | 'The target filename is choosen automatically based on the new ' |
|
3515 | 'The target filename is choosen automatically based on the new ' | |
3517 | 'format. The filename argument gives the name of the source file.' |
|
3516 | 'format. The filename argument gives the name of the source file.' | |
3518 | ) |
|
3517 | ) | |
3519 | @magic_arguments.argument( |
|
3518 | @magic_arguments.argument( | |
3520 | 'filename', type=unicode, |
|
3519 | 'filename', type=unicode, | |
3521 | help='Notebook name or filename' |
|
3520 | help='Notebook name or filename' | |
3522 | ) |
|
3521 | ) | |
3523 | def magic_notebook(self, s): |
|
3522 | def magic_notebook(self, s): | |
3524 | """Export and convert IPython notebooks. |
|
3523 | """Export and convert IPython notebooks. | |
3525 |
|
3524 | |||
3526 | This function can export the current IPython history to a notebook file |
|
3525 | This function can export the current IPython history to a notebook file | |
3527 | or can convert an existing notebook file into a different format. For |
|
3526 | or can convert an existing notebook file into a different format. For | |
3528 | example, to export the history to "foo.ipynb" do "%notebook -e foo.ipynb". |
|
3527 | example, to export the history to "foo.ipynb" do "%notebook -e foo.ipynb". | |
3529 | To export the history to "foo.py" do "%notebook -e foo.py". To convert |
|
3528 | To export the history to "foo.py" do "%notebook -e foo.py". To convert | |
3530 | "foo.ipynb" to "foo.json" do "%notebook -f json foo.ipynb". Possible |
|
3529 | "foo.ipynb" to "foo.json" do "%notebook -f json foo.ipynb". Possible | |
3531 | formats include (json/ipynb, py). |
|
3530 | formats include (json/ipynb, py). | |
3532 | """ |
|
3531 | """ | |
3533 | args = magic_arguments.parse_argstring(self.magic_notebook, s) |
|
3532 | args = magic_arguments.parse_argstring(self.magic_notebook, s) | |
3534 |
|
3533 | |||
3535 | from IPython.nbformat import current |
|
3534 | from IPython.nbformat import current | |
3536 | args.filename = unquote_filename(args.filename) |
|
3535 | args.filename = unquote_filename(args.filename) | |
3537 | if args.export: |
|
3536 | if args.export: | |
3538 | fname, name, format = current.parse_filename(args.filename) |
|
3537 | fname, name, format = current.parse_filename(args.filename) | |
3539 | cells = [] |
|
3538 | cells = [] | |
3540 | hist = list(self.history_manager.get_range()) |
|
3539 | hist = list(self.history_manager.get_range()) | |
3541 | for session, prompt_number, input in hist[:-1]: |
|
3540 | for session, prompt_number, input in hist[:-1]: | |
3542 | cells.append(current.new_code_cell(prompt_number=prompt_number, input=input)) |
|
3541 | cells.append(current.new_code_cell(prompt_number=prompt_number, input=input)) | |
3543 | worksheet = current.new_worksheet(cells=cells) |
|
3542 | worksheet = current.new_worksheet(cells=cells) | |
3544 | nb = current.new_notebook(name=name,worksheets=[worksheet]) |
|
3543 | nb = current.new_notebook(name=name,worksheets=[worksheet]) | |
3545 | with open(fname, 'w') as f: |
|
3544 | with open(fname, 'w') as f: | |
3546 | current.write(nb, f, format); |
|
3545 | current.write(nb, f, format); | |
3547 | elif args.format is not None: |
|
3546 | elif args.format is not None: | |
3548 | old_fname, old_name, old_format = current.parse_filename(args.filename) |
|
3547 | old_fname, old_name, old_format = current.parse_filename(args.filename) | |
3549 | new_format = args.format |
|
3548 | new_format = args.format | |
3550 | if new_format == u'xml': |
|
3549 | if new_format == u'xml': | |
3551 | raise ValueError('Notebooks cannot be written as xml.') |
|
3550 | raise ValueError('Notebooks cannot be written as xml.') | |
3552 | elif new_format == u'ipynb' or new_format == u'json': |
|
3551 | elif new_format == u'ipynb' or new_format == u'json': | |
3553 | new_fname = old_name + u'.ipynb' |
|
3552 | new_fname = old_name + u'.ipynb' | |
3554 | new_format = u'json' |
|
3553 | new_format = u'json' | |
3555 | elif new_format == u'py': |
|
3554 | elif new_format == u'py': | |
3556 | new_fname = old_name + u'.py' |
|
3555 | new_fname = old_name + u'.py' | |
3557 | else: |
|
3556 | else: | |
3558 | raise ValueError('Invalid notebook format: %s' % new_format) |
|
3557 | raise ValueError('Invalid notebook format: %s' % new_format) | |
3559 | with open(old_fname, 'r') as f: |
|
3558 | with open(old_fname, 'r') as f: | |
3560 | s = f.read() |
|
3559 | s = f.read() | |
3561 | try: |
|
3560 | try: | |
3562 | nb = current.reads(s, old_format) |
|
3561 | nb = current.reads(s, old_format) | |
3563 | except: |
|
3562 | except: | |
3564 | nb = current.reads(s, u'xml') |
|
3563 | nb = current.reads(s, u'xml') | |
3565 | with open(new_fname, 'w') as f: |
|
3564 | with open(new_fname, 'w') as f: | |
3566 | current.write(nb, f, new_format) |
|
3565 | current.write(nb, f, new_format) | |
3567 |
|
3566 | |||
3568 |
|
3567 | |||
3569 | # end Magic |
|
3568 | # end Magic |
@@ -1,185 +1,188 b'' | |||||
1 | # -*- coding: utf-8 -*- |
|
1 | # -*- coding: utf-8 -*- | |
2 | """ |
|
2 | """ | |
3 | A module to change reload() so that it acts recursively. |
|
3 | A module to change reload() so that it acts recursively. | |
4 | To enable it type:: |
|
4 | To enable it type:: | |
5 |
|
5 | |||
6 | import __builtin__, deepreload |
|
6 | import __builtin__, deepreload | |
7 | __builtin__.reload = deepreload.reload |
|
7 | __builtin__.reload = deepreload.reload | |
8 |
|
8 | |||
9 | You can then disable it with:: |
|
9 | You can then disable it with:: | |
10 |
|
10 | |||
11 | __builtin__.reload = deepreload.original_reload |
|
11 | __builtin__.reload = deepreload.original_reload | |
12 |
|
12 | |||
13 | Alternatively, you can add a dreload builtin alongside normal reload with:: |
|
13 | Alternatively, you can add a dreload builtin alongside normal reload with:: | |
14 |
|
14 | |||
15 | __builtin__.dreload = deepreload.reload |
|
15 | __builtin__.dreload = deepreload.reload | |
16 |
|
16 | |||
17 | This code is almost entirely based on knee.py from the standard library. |
|
17 | This code is almost entirely based on knee.py from the standard library. | |
18 | """ |
|
18 | """ | |
19 |
|
19 | |||
20 | #***************************************************************************** |
|
20 | #***************************************************************************** | |
21 | # Copyright (C) 2001 Nathaniel Gray <n8gray@caltech.edu> |
|
21 | # Copyright (C) 2001 Nathaniel Gray <n8gray@caltech.edu> | |
22 | # |
|
22 | # | |
23 | # Distributed under the terms of the BSD License. The full license is in |
|
23 | # Distributed under the terms of the BSD License. The full license is in | |
24 | # the file COPYING, distributed as part of this software. |
|
24 | # the file COPYING, distributed as part of this software. | |
25 | #***************************************************************************** |
|
25 | #***************************************************************************** | |
26 |
|
26 | |||
27 | import __builtin__ |
|
27 | import __builtin__ | |
28 | import imp |
|
28 | import imp | |
29 | import sys |
|
29 | import sys | |
30 |
|
30 | |||
31 | # Replacement for __import__() |
|
31 | # Replacement for __import__() | |
32 | def deep_import_hook(name, globals=None, locals=None, fromlist=None, level=-1): |
|
32 | def deep_import_hook(name, globals=None, locals=None, fromlist=None, level=-1): | |
33 | # For now level is ignored, it's just there to prevent crash |
|
33 | # For now level is ignored, it's just there to prevent crash | |
34 | # with from __future__ import absolute_import |
|
34 | # with from __future__ import absolute_import | |
35 | parent = determine_parent(globals) |
|
35 | parent = determine_parent(globals) | |
36 | q, tail = find_head_package(parent, name) |
|
36 | q, tail = find_head_package(parent, name) | |
37 | m = load_tail(q, tail) |
|
37 | m = load_tail(q, tail) | |
38 | if not fromlist: |
|
38 | if not fromlist: | |
39 | return q |
|
39 | return q | |
40 | if hasattr(m, "__path__"): |
|
40 | if hasattr(m, "__path__"): | |
41 | ensure_fromlist(m, fromlist) |
|
41 | ensure_fromlist(m, fromlist) | |
42 | return m |
|
42 | return m | |
43 |
|
43 | |||
44 | def determine_parent(globals): |
|
44 | def determine_parent(globals): | |
45 | if not globals or not globals.has_key("__name__"): |
|
45 | if not globals or not globals.has_key("__name__"): | |
46 | return None |
|
46 | return None | |
47 | pname = globals['__name__'] |
|
47 | pname = globals['__name__'] | |
48 | if globals.has_key("__path__"): |
|
48 | if globals.has_key("__path__"): | |
49 | parent = sys.modules[pname] |
|
49 | parent = sys.modules[pname] | |
50 | assert globals is parent.__dict__ |
|
50 | assert globals is parent.__dict__ | |
51 | return parent |
|
51 | return parent | |
52 | if '.' in pname: |
|
52 | if '.' in pname: | |
53 | i = pname.rfind('.') |
|
53 | i = pname.rfind('.') | |
54 | pname = pname[:i] |
|
54 | pname = pname[:i] | |
55 | parent = sys.modules[pname] |
|
55 | parent = sys.modules[pname] | |
56 | assert parent.__name__ == pname |
|
56 | assert parent.__name__ == pname | |
57 | return parent |
|
57 | return parent | |
58 | return None |
|
58 | return None | |
59 |
|
59 | |||
60 | def find_head_package(parent, name): |
|
60 | def find_head_package(parent, name): | |
61 | # Import the first |
|
61 | # Import the first | |
62 | if '.' in name: |
|
62 | if '.' in name: | |
63 | # 'some.nested.package' -> head = 'some', tail = 'nested.package' |
|
63 | # 'some.nested.package' -> head = 'some', tail = 'nested.package' | |
64 | i = name.find('.') |
|
64 | i = name.find('.') | |
65 | head = name[:i] |
|
65 | head = name[:i] | |
66 | tail = name[i+1:] |
|
66 | tail = name[i+1:] | |
67 | else: |
|
67 | else: | |
68 | # 'packagename' -> head = 'packagename', tail = '' |
|
68 | # 'packagename' -> head = 'packagename', tail = '' | |
69 | head = name |
|
69 | head = name | |
70 | tail = "" |
|
70 | tail = "" | |
71 | if parent: |
|
71 | if parent: | |
72 | # If this is a subpackage then qname = parent's name + head |
|
72 | # If this is a subpackage then qname = parent's name + head | |
73 | qname = "%s.%s" % (parent.__name__, head) |
|
73 | qname = "%s.%s" % (parent.__name__, head) | |
74 | else: |
|
74 | else: | |
75 | qname = head |
|
75 | qname = head | |
76 | q = import_module(head, qname, parent) |
|
76 | q = import_module(head, qname, parent) | |
77 | if q: return q, tail |
|
77 | if q: return q, tail | |
78 | if parent: |
|
78 | if parent: | |
79 | qname = head |
|
79 | qname = head | |
80 | parent = None |
|
80 | parent = None | |
81 | q = import_module(head, qname, parent) |
|
81 | q = import_module(head, qname, parent) | |
82 | if q: return q, tail |
|
82 | if q: return q, tail | |
83 | raise ImportError, "No module named " + qname |
|
83 | raise ImportError, "No module named " + qname | |
84 |
|
84 | |||
85 | def load_tail(q, tail): |
|
85 | def load_tail(q, tail): | |
86 | m = q |
|
86 | m = q | |
87 | while tail: |
|
87 | while tail: | |
88 | i = tail.find('.') |
|
88 | i = tail.find('.') | |
89 | if i < 0: i = len(tail) |
|
89 | if i < 0: i = len(tail) | |
90 | head, tail = tail[:i], tail[i+1:] |
|
90 | head, tail = tail[:i], tail[i+1:] | |
91 |
|
91 | |||
92 | # fperez: fix dotted.name reloading failures by changing: |
|
92 | # fperez: fix dotted.name reloading failures by changing: | |
93 | #mname = "%s.%s" % (m.__name__, head) |
|
93 | #mname = "%s.%s" % (m.__name__, head) | |
94 | # to: |
|
94 | # to: | |
95 | mname = m.__name__ |
|
95 | mname = m.__name__ | |
96 | # This needs more testing!!! (I don't understand this module too well) |
|
96 | # This needs more testing!!! (I don't understand this module too well) | |
97 |
|
97 | |||
98 | #print '** head,tail=|%s|->|%s|, mname=|%s|' % (head,tail,mname) # dbg |
|
98 | #print '** head,tail=|%s|->|%s|, mname=|%s|' % (head,tail,mname) # dbg | |
99 | m = import_module(head, mname, m) |
|
99 | m = import_module(head, mname, m) | |
100 | if not m: |
|
100 | if not m: | |
101 | raise ImportError, "No module named " + mname |
|
101 | raise ImportError, "No module named " + mname | |
102 | return m |
|
102 | return m | |
103 |
|
103 | |||
104 | def ensure_fromlist(m, fromlist, recursive=0): |
|
104 | def ensure_fromlist(m, fromlist, recursive=0): | |
105 | for sub in fromlist: |
|
105 | for sub in fromlist: | |
106 | if sub == "*": |
|
106 | if sub == "*": | |
107 | if not recursive: |
|
107 | if not recursive: | |
108 | try: |
|
108 | try: | |
109 | all = m.__all__ |
|
109 | all = m.__all__ | |
110 | except AttributeError: |
|
110 | except AttributeError: | |
111 | pass |
|
111 | pass | |
112 | else: |
|
112 | else: | |
113 | ensure_fromlist(m, all, 1) |
|
113 | ensure_fromlist(m, all, 1) | |
114 | continue |
|
114 | continue | |
115 | if sub != "*" and not hasattr(m, sub): |
|
115 | if sub != "*" and not hasattr(m, sub): | |
116 | subname = "%s.%s" % (m.__name__, sub) |
|
116 | subname = "%s.%s" % (m.__name__, sub) | |
117 | submod = import_module(sub, subname, m) |
|
117 | submod = import_module(sub, subname, m) | |
118 | if not submod: |
|
118 | if not submod: | |
119 | raise ImportError, "No module named " + subname |
|
119 | raise ImportError, "No module named " + subname | |
120 |
|
120 | |||
121 | # Need to keep track of what we've already reloaded to prevent cyclic evil |
|
121 | # Need to keep track of what we've already reloaded to prevent cyclic evil | |
122 | found_now = {} |
|
122 | found_now = {} | |
123 |
|
123 | |||
124 | def import_module(partname, fqname, parent): |
|
124 | def import_module(partname, fqname, parent): | |
125 | global found_now |
|
125 | global found_now | |
126 | if found_now.has_key(fqname): |
|
126 | if found_now.has_key(fqname): | |
127 | try: |
|
127 | try: | |
128 | return sys.modules[fqname] |
|
128 | return sys.modules[fqname] | |
129 | except KeyError: |
|
129 | except KeyError: | |
130 | pass |
|
130 | pass | |
131 |
|
131 | |||
132 | print 'Reloading', fqname #, sys.excepthook is sys.__excepthook__, \ |
|
132 | print 'Reloading', fqname #, sys.excepthook is sys.__excepthook__, \ | |
133 | #sys.displayhook is sys.__displayhook__ |
|
133 | #sys.displayhook is sys.__displayhook__ | |
134 |
|
134 | |||
135 | found_now[fqname] = 1 |
|
135 | found_now[fqname] = 1 | |
136 | try: |
|
136 | try: | |
137 | fp, pathname, stuff = imp.find_module(partname, |
|
137 | fp, pathname, stuff = imp.find_module(partname, | |
138 | parent and parent.__path__) |
|
138 | parent and parent.__path__) | |
139 | except ImportError: |
|
139 | except ImportError: | |
140 | return None |
|
140 | return None | |
141 |
|
141 | |||
142 | try: |
|
142 | try: | |
143 | m = imp.load_module(fqname, fp, pathname, stuff) |
|
143 | m = imp.load_module(fqname, fp, pathname, stuff) | |
144 | finally: |
|
144 | finally: | |
145 | if fp: fp.close() |
|
145 | if fp: fp.close() | |
146 |
|
146 | |||
147 | if parent: |
|
147 | if parent: | |
148 | setattr(parent, partname, m) |
|
148 | setattr(parent, partname, m) | |
149 |
|
149 | |||
150 | return m |
|
150 | return m | |
151 |
|
151 | |||
152 | def deep_reload_hook(module): |
|
152 | def deep_reload_hook(module): | |
153 | name = module.__name__ |
|
153 | name = module.__name__ | |
154 | if '.' not in name: |
|
154 | if '.' not in name: | |
155 | return import_module(name, name, None) |
|
155 | return import_module(name, name, None) | |
156 | i = name.rfind('.') |
|
156 | i = name.rfind('.') | |
157 | pname = name[:i] |
|
157 | pname = name[:i] | |
158 | parent = sys.modules[pname] |
|
158 | parent = sys.modules[pname] | |
159 | return import_module(name[i+1:], name, parent) |
|
159 | return import_module(name[i+1:], name, parent) | |
160 |
|
160 | |||
161 | # Save the original hooks |
|
161 | # Save the original hooks | |
162 | original_reload = __builtin__.reload |
|
162 | try: | |
|
163 | original_reload = __builtin__.reload | |||
|
164 | except AttributeError: | |||
|
165 | original_reload = imp.reload # Python 3 | |||
163 |
|
166 | |||
164 | # Replacement for reload() |
|
167 | # Replacement for reload() | |
165 | def reload(module, exclude=['sys', '__builtin__', '__main__']): |
|
168 | def reload(module, exclude=['sys', '__builtin__', '__main__']): | |
166 | """Recursively reload all modules used in the given module. Optionally |
|
169 | """Recursively reload all modules used in the given module. Optionally | |
167 | takes a list of modules to exclude from reloading. The default exclude |
|
170 | takes a list of modules to exclude from reloading. The default exclude | |
168 | list contains sys, __main__, and __builtin__, to prevent, e.g., resetting |
|
171 | list contains sys, __main__, and __builtin__, to prevent, e.g., resetting | |
169 | display, exception, and io hooks. |
|
172 | display, exception, and io hooks. | |
170 | """ |
|
173 | """ | |
171 | global found_now |
|
174 | global found_now | |
172 | for i in exclude: |
|
175 | for i in exclude: | |
173 | found_now[i] = 1 |
|
176 | found_now[i] = 1 | |
174 | original_import = __builtin__.__import__ |
|
177 | original_import = __builtin__.__import__ | |
175 | __builtin__.__import__ = deep_import_hook |
|
178 | __builtin__.__import__ = deep_import_hook | |
176 | try: |
|
179 | try: | |
177 | ret = deep_reload_hook(module) |
|
180 | ret = deep_reload_hook(module) | |
178 | finally: |
|
181 | finally: | |
179 | __builtin__.__import__ = original_import |
|
182 | __builtin__.__import__ = original_import | |
180 | found_now = {} |
|
183 | found_now = {} | |
181 | return ret |
|
184 | return ret | |
182 |
|
185 | |||
183 | # Uncomment the following to automatically activate deep reloading whenever |
|
186 | # Uncomment the following to automatically activate deep reloading whenever | |
184 | # this module is imported |
|
187 | # this module is imported | |
185 | #__builtin__.reload = reload |
|
188 | #__builtin__.reload = reload |
@@ -1,50 +1,48 b'' | |||||
1 | """Backwards compatibility - we use contextlib.nested to support Python 2.6, |
|
1 | """Backwards compatibility - we use contextlib.nested to support Python 2.6, | |
2 | but it's removed in Python 3.2.""" |
|
2 | but it's removed in Python 3.2.""" | |
3 |
|
3 | |||
4 | # TODO : Remove this once we drop support for Python 2.6, and use |
|
4 | # TODO : Remove this once we drop support for Python 2.6, and use | |
5 | # "with a, b:" instead. |
|
5 | # "with a, b:" instead. | |
6 |
|
6 | |||
7 | from contextlib import contextmanager |
|
7 | from contextlib import contextmanager | |
8 |
|
8 | |||
9 | @contextmanager |
|
9 | @contextmanager | |
10 | def nested(*managers): |
|
10 | def nested(*managers): | |
11 | """Combine multiple context managers into a single nested context manager. |
|
11 | """Combine multiple context managers into a single nested context manager. | |
12 |
|
12 | |||
13 | This function has been deprecated in favour of the multiple manager form |
|
13 | This function has been deprecated in favour of the multiple manager form | |
14 | of the with statement. |
|
14 | of the with statement. | |
15 |
|
15 | |||
16 | The one advantage of this function over the multiple manager form of the |
|
16 | The one advantage of this function over the multiple manager form of the | |
17 | with statement is that argument unpacking allows it to be |
|
17 | with statement is that argument unpacking allows it to be | |
18 | used with a variable number of context managers as follows: |
|
18 | used with a variable number of context managers as follows: | |
19 |
|
19 | |||
20 | with nested(*managers): |
|
20 | with nested(*managers): | |
21 | do_something() |
|
21 | do_something() | |
22 |
|
22 | |||
23 | """ |
|
23 | """ | |
24 | warn("With-statements now directly support multiple context managers", |
|
|||
25 | DeprecationWarning, 3) |
|
|||
26 | exits = [] |
|
24 | exits = [] | |
27 | vars = [] |
|
25 | vars = [] | |
28 | exc = (None, None, None) |
|
26 | exc = (None, None, None) | |
29 | try: |
|
27 | try: | |
30 | for mgr in managers: |
|
28 | for mgr in managers: | |
31 | exit = mgr.__exit__ |
|
29 | exit = mgr.__exit__ | |
32 | enter = mgr.__enter__ |
|
30 | enter = mgr.__enter__ | |
33 | vars.append(enter()) |
|
31 | vars.append(enter()) | |
34 | exits.append(exit) |
|
32 | exits.append(exit) | |
35 | yield vars |
|
33 | yield vars | |
36 | except: |
|
34 | except: | |
37 | exc = sys.exc_info() |
|
35 | exc = sys.exc_info() | |
38 | finally: |
|
36 | finally: | |
39 | while exits: |
|
37 | while exits: | |
40 | exit = exits.pop() |
|
38 | exit = exits.pop() | |
41 | try: |
|
39 | try: | |
42 | if exit(*exc): |
|
40 | if exit(*exc): | |
43 | exc = (None, None, None) |
|
41 | exc = (None, None, None) | |
44 | except: |
|
42 | except: | |
45 | exc = sys.exc_info() |
|
43 | exc = sys.exc_info() | |
46 | if exc != (None, None, None): |
|
44 | if exc != (None, None, None): | |
47 | # Don't rely on sys.exc_info() still containing |
|
45 | # Don't rely on sys.exc_info() still containing | |
48 | # the right information. Another exception may |
|
46 | # the right information. Another exception may | |
49 | # have been raised and caught by an exit method |
|
47 | # have been raised and caught by an exit method | |
50 | raise exc[0], exc[1], exc[2] |
|
48 | raise exc[0], exc[1], exc[2] |
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