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@@ -1,2911 +1,2911 b'' | |||||
1 | # -*- coding: utf-8 -*- |
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1 | # -*- coding: utf-8 -*- | |
2 | """Magic functions for InteractiveShell. |
|
2 | """Magic functions for InteractiveShell. | |
3 |
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3 | |||
4 |
$Id: Magic.py 2 |
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4 | $Id: Magic.py 2569 2007-07-31 19:48:00Z fperez $""" | |
5 |
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5 | |||
6 | #***************************************************************************** |
|
6 | #***************************************************************************** | |
7 | # Copyright (C) 2001 Janko Hauser <jhauser@zscout.de> and |
|
7 | # Copyright (C) 2001 Janko Hauser <jhauser@zscout.de> and | |
8 | # Copyright (C) 2001-2006 Fernando Perez <fperez@colorado.edu> |
|
8 | # Copyright (C) 2001-2006 Fernando Perez <fperez@colorado.edu> | |
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 |
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13 | |||
14 | #**************************************************************************** |
|
14 | #**************************************************************************** | |
15 | # Modules and globals |
|
15 | # Modules and globals | |
16 |
|
16 | |||
17 | from IPython import Release |
|
17 | from IPython import Release | |
18 | __author__ = '%s <%s>\n%s <%s>' % \ |
|
18 | __author__ = '%s <%s>\n%s <%s>' % \ | |
19 | ( Release.authors['Janko'] + Release.authors['Fernando'] ) |
|
19 | ( Release.authors['Janko'] + Release.authors['Fernando'] ) | |
20 | __license__ = Release.license |
|
20 | __license__ = Release.license | |
21 |
|
21 | |||
22 | # Python standard modules |
|
22 | # Python standard modules | |
23 | import __builtin__ |
|
23 | import __builtin__ | |
24 | import bdb |
|
24 | import bdb | |
25 | import inspect |
|
25 | import inspect | |
26 | import os |
|
26 | import os | |
27 | import pdb |
|
27 | import pdb | |
28 | import pydoc |
|
28 | import pydoc | |
29 | import sys |
|
29 | import sys | |
30 | import re |
|
30 | import re | |
31 | import tempfile |
|
31 | import tempfile | |
32 | import time |
|
32 | import time | |
33 | import cPickle as pickle |
|
33 | import cPickle as pickle | |
34 | import textwrap |
|
34 | import textwrap | |
35 | from cStringIO import StringIO |
|
35 | from cStringIO import StringIO | |
36 | from getopt import getopt,GetoptError |
|
36 | from getopt import getopt,GetoptError | |
37 | from pprint import pprint, pformat |
|
37 | from pprint import pprint, pformat | |
38 | from sets import Set |
|
38 | from sets import Set | |
39 |
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39 | |||
40 | # cProfile was added in Python2.5 |
|
40 | # cProfile was added in Python2.5 | |
41 | try: |
|
41 | try: | |
42 | import cProfile as profile |
|
42 | import cProfile as profile | |
43 | import pstats |
|
43 | import pstats | |
44 | except ImportError: |
|
44 | except ImportError: | |
45 | # profile isn't bundled by default in Debian for license reasons |
|
45 | # profile isn't bundled by default in Debian for license reasons | |
46 | try: |
|
46 | try: | |
47 | import profile,pstats |
|
47 | import profile,pstats | |
48 | except ImportError: |
|
48 | except ImportError: | |
49 | profile = pstats = None |
|
49 | profile = pstats = None | |
50 |
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50 | |||
51 | # Homebrewed |
|
51 | # Homebrewed | |
52 | import IPython |
|
52 | import IPython | |
53 | from IPython import Debugger, OInspect, wildcard |
|
53 | from IPython import Debugger, OInspect, wildcard | |
54 | from IPython.FakeModule import FakeModule |
|
54 | from IPython.FakeModule import FakeModule | |
55 | from IPython.Itpl import Itpl, itpl, printpl,itplns |
|
55 | from IPython.Itpl import Itpl, itpl, printpl,itplns | |
56 | from IPython.PyColorize import Parser |
|
56 | from IPython.PyColorize import Parser | |
57 | from IPython.ipstruct import Struct |
|
57 | from IPython.ipstruct import Struct | |
58 | from IPython.macro import Macro |
|
58 | from IPython.macro import Macro | |
59 | from IPython.genutils import * |
|
59 | from IPython.genutils import * | |
60 | from IPython import platutils |
|
60 | from IPython import platutils | |
61 | import IPython.generics |
|
61 | import IPython.generics | |
62 | import IPython.ipapi |
|
62 | import IPython.ipapi | |
63 |
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63 | |||
64 | #*************************************************************************** |
|
64 | #*************************************************************************** | |
65 | # Utility functions |
|
65 | # Utility functions | |
66 | def on_off(tag): |
|
66 | def on_off(tag): | |
67 | """Return an ON/OFF string for a 1/0 input. Simple utility function.""" |
|
67 | """Return an ON/OFF string for a 1/0 input. Simple utility function.""" | |
68 | return ['OFF','ON'][tag] |
|
68 | return ['OFF','ON'][tag] | |
69 |
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69 | |||
70 | class Bunch: pass |
|
70 | class Bunch: pass | |
71 |
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71 | |||
72 | def compress_dhist(dh): |
|
72 | def compress_dhist(dh): | |
73 | head, tail = dh[:-10], dh[-10:] |
|
73 | head, tail = dh[:-10], dh[-10:] | |
74 |
|
74 | |||
75 | newhead = [] |
|
75 | newhead = [] | |
76 | done = Set() |
|
76 | done = Set() | |
77 | for h in head: |
|
77 | for h in head: | |
78 | if h in done: |
|
78 | if h in done: | |
79 | continue |
|
79 | continue | |
80 | newhead.append(h) |
|
80 | newhead.append(h) | |
81 | done.add(h) |
|
81 | done.add(h) | |
82 |
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82 | |||
83 | return newhead + tail |
|
83 | return newhead + tail | |
84 |
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84 | |||
85 |
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85 | |||
86 | #*************************************************************************** |
|
86 | #*************************************************************************** | |
87 | # Main class implementing Magic functionality |
|
87 | # Main class implementing Magic functionality | |
88 | class Magic: |
|
88 | class Magic: | |
89 | """Magic functions for InteractiveShell. |
|
89 | """Magic functions for InteractiveShell. | |
90 |
|
90 | |||
91 | Shell functions which can be reached as %function_name. All magic |
|
91 | Shell functions which can be reached as %function_name. All magic | |
92 | functions should accept a string, which they can parse for their own |
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92 | functions should accept a string, which they can parse for their own | |
93 | needs. This can make some functions easier to type, eg `%cd ../` |
|
93 | needs. This can make some functions easier to type, eg `%cd ../` | |
94 | vs. `%cd("../")` |
|
94 | vs. `%cd("../")` | |
95 |
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95 | |||
96 | ALL definitions MUST begin with the prefix magic_. The user won't need it |
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96 | ALL definitions MUST begin with the prefix magic_. The user won't need it | |
97 | at the command line, but it is is needed in the definition. """ |
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97 | at the command line, but it is is needed in the definition. """ | |
98 |
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98 | |||
99 | # class globals |
|
99 | # class globals | |
100 | auto_status = ['Automagic is OFF, % prefix IS needed for magic functions.', |
|
100 | auto_status = ['Automagic is OFF, % prefix IS needed for magic functions.', | |
101 | 'Automagic is ON, % prefix NOT needed for magic functions.'] |
|
101 | 'Automagic is ON, % prefix NOT needed for magic functions.'] | |
102 |
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102 | |||
103 | #...................................................................... |
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103 | #...................................................................... | |
104 | # some utility functions |
|
104 | # some utility functions | |
105 |
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105 | |||
106 | def __init__(self,shell): |
|
106 | def __init__(self,shell): | |
107 |
|
107 | |||
108 | self.options_table = {} |
|
108 | self.options_table = {} | |
109 | if profile is None: |
|
109 | if profile is None: | |
110 | self.magic_prun = self.profile_missing_notice |
|
110 | self.magic_prun = self.profile_missing_notice | |
111 | self.shell = shell |
|
111 | self.shell = shell | |
112 |
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112 | |||
113 | # namespace for holding state we may need |
|
113 | # namespace for holding state we may need | |
114 | self._magic_state = Bunch() |
|
114 | self._magic_state = Bunch() | |
115 |
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115 | |||
116 | def profile_missing_notice(self, *args, **kwargs): |
|
116 | def profile_missing_notice(self, *args, **kwargs): | |
117 | error("""\ |
|
117 | error("""\ | |
118 | The profile module could not be found. If you are a Debian user, |
|
118 | The profile module could not be found. If you are a Debian user, | |
119 | it has been removed from the standard Debian package because of its non-free |
|
119 | it has been removed from the standard Debian package because of its non-free | |
120 | license. To use profiling, please install"python2.3-profiler" from non-free.""") |
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120 | license. To use profiling, please install"python2.3-profiler" from non-free.""") | |
121 |
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121 | |||
122 | def default_option(self,fn,optstr): |
|
122 | def default_option(self,fn,optstr): | |
123 | """Make an entry in the options_table for fn, with value optstr""" |
|
123 | """Make an entry in the options_table for fn, with value optstr""" | |
124 |
|
124 | |||
125 | if fn not in self.lsmagic(): |
|
125 | if fn not in self.lsmagic(): | |
126 | error("%s is not a magic function" % fn) |
|
126 | error("%s is not a magic function" % fn) | |
127 | self.options_table[fn] = optstr |
|
127 | self.options_table[fn] = optstr | |
128 |
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128 | |||
129 | def lsmagic(self): |
|
129 | def lsmagic(self): | |
130 | """Return a list of currently available magic functions. |
|
130 | """Return a list of currently available magic functions. | |
131 |
|
131 | |||
132 | Gives a list of the bare names after mangling (['ls','cd', ...], not |
|
132 | Gives a list of the bare names after mangling (['ls','cd', ...], not | |
133 | ['magic_ls','magic_cd',...]""" |
|
133 | ['magic_ls','magic_cd',...]""" | |
134 |
|
134 | |||
135 | # FIXME. This needs a cleanup, in the way the magics list is built. |
|
135 | # FIXME. This needs a cleanup, in the way the magics list is built. | |
136 |
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136 | |||
137 | # magics in class definition |
|
137 | # magics in class definition | |
138 | class_magic = lambda fn: fn.startswith('magic_') and \ |
|
138 | class_magic = lambda fn: fn.startswith('magic_') and \ | |
139 | callable(Magic.__dict__[fn]) |
|
139 | callable(Magic.__dict__[fn]) | |
140 | # in instance namespace (run-time user additions) |
|
140 | # in instance namespace (run-time user additions) | |
141 | inst_magic = lambda fn: fn.startswith('magic_') and \ |
|
141 | inst_magic = lambda fn: fn.startswith('magic_') and \ | |
142 | callable(self.__dict__[fn]) |
|
142 | callable(self.__dict__[fn]) | |
143 | # and bound magics by user (so they can access self): |
|
143 | # and bound magics by user (so they can access self): | |
144 | inst_bound_magic = lambda fn: fn.startswith('magic_') and \ |
|
144 | inst_bound_magic = lambda fn: fn.startswith('magic_') and \ | |
145 | callable(self.__class__.__dict__[fn]) |
|
145 | callable(self.__class__.__dict__[fn]) | |
146 | magics = filter(class_magic,Magic.__dict__.keys()) + \ |
|
146 | magics = filter(class_magic,Magic.__dict__.keys()) + \ | |
147 | filter(inst_magic,self.__dict__.keys()) + \ |
|
147 | filter(inst_magic,self.__dict__.keys()) + \ | |
148 | filter(inst_bound_magic,self.__class__.__dict__.keys()) |
|
148 | filter(inst_bound_magic,self.__class__.__dict__.keys()) | |
149 | out = [] |
|
149 | out = [] | |
150 | for fn in magics: |
|
150 | for fn in magics: | |
151 | out.append(fn.replace('magic_','',1)) |
|
151 | out.append(fn.replace('magic_','',1)) | |
152 | out.sort() |
|
152 | out.sort() | |
153 | return out |
|
153 | return out | |
154 |
|
154 | |||
155 | def extract_input_slices(self,slices,raw=False): |
|
155 | def extract_input_slices(self,slices,raw=False): | |
156 | """Return as a string a set of input history slices. |
|
156 | """Return as a string a set of input history slices. | |
157 |
|
157 | |||
158 | Inputs: |
|
158 | Inputs: | |
159 |
|
159 | |||
160 | - slices: the set of slices is given as a list of strings (like |
|
160 | - slices: the set of slices is given as a list of strings (like | |
161 | ['1','4:8','9'], since this function is for use by magic functions |
|
161 | ['1','4:8','9'], since this function is for use by magic functions | |
162 | which get their arguments as strings. |
|
162 | which get their arguments as strings. | |
163 |
|
163 | |||
164 | Optional inputs: |
|
164 | Optional inputs: | |
165 |
|
165 | |||
166 | - raw(False): by default, the processed input is used. If this is |
|
166 | - raw(False): by default, the processed input is used. If this is | |
167 | true, the raw input history is used instead. |
|
167 | true, the raw input history is used instead. | |
168 |
|
168 | |||
169 | Note that slices can be called with two notations: |
|
169 | Note that slices can be called with two notations: | |
170 |
|
170 | |||
171 | N:M -> standard python form, means including items N...(M-1). |
|
171 | N:M -> standard python form, means including items N...(M-1). | |
172 |
|
172 | |||
173 | N-M -> include items N..M (closed endpoint).""" |
|
173 | N-M -> include items N..M (closed endpoint).""" | |
174 |
|
174 | |||
175 | if raw: |
|
175 | if raw: | |
176 | hist = self.shell.input_hist_raw |
|
176 | hist = self.shell.input_hist_raw | |
177 | else: |
|
177 | else: | |
178 | hist = self.shell.input_hist |
|
178 | hist = self.shell.input_hist | |
179 |
|
179 | |||
180 | cmds = [] |
|
180 | cmds = [] | |
181 | for chunk in slices: |
|
181 | for chunk in slices: | |
182 | if ':' in chunk: |
|
182 | if ':' in chunk: | |
183 | ini,fin = map(int,chunk.split(':')) |
|
183 | ini,fin = map(int,chunk.split(':')) | |
184 | elif '-' in chunk: |
|
184 | elif '-' in chunk: | |
185 | ini,fin = map(int,chunk.split('-')) |
|
185 | ini,fin = map(int,chunk.split('-')) | |
186 | fin += 1 |
|
186 | fin += 1 | |
187 | else: |
|
187 | else: | |
188 | ini = int(chunk) |
|
188 | ini = int(chunk) | |
189 | fin = ini+1 |
|
189 | fin = ini+1 | |
190 | cmds.append(hist[ini:fin]) |
|
190 | cmds.append(hist[ini:fin]) | |
191 | return cmds |
|
191 | return cmds | |
192 |
|
192 | |||
193 | def _ofind(self, oname, namespaces=None): |
|
193 | def _ofind(self, oname, namespaces=None): | |
194 | """Find an object in the available namespaces. |
|
194 | """Find an object in the available namespaces. | |
195 |
|
195 | |||
196 | self._ofind(oname) -> dict with keys: found,obj,ospace,ismagic |
|
196 | self._ofind(oname) -> dict with keys: found,obj,ospace,ismagic | |
197 |
|
197 | |||
198 | Has special code to detect magic functions. |
|
198 | Has special code to detect magic functions. | |
199 | """ |
|
199 | """ | |
200 |
|
200 | |||
201 | oname = oname.strip() |
|
201 | oname = oname.strip() | |
202 |
|
202 | |||
203 | alias_ns = None |
|
203 | alias_ns = None | |
204 | if namespaces is None: |
|
204 | if namespaces is None: | |
205 | # Namespaces to search in: |
|
205 | # Namespaces to search in: | |
206 | # Put them in a list. The order is important so that we |
|
206 | # Put them in a list. The order is important so that we | |
207 | # find things in the same order that Python finds them. |
|
207 | # find things in the same order that Python finds them. | |
208 | namespaces = [ ('Interactive', self.shell.user_ns), |
|
208 | namespaces = [ ('Interactive', self.shell.user_ns), | |
209 | ('IPython internal', self.shell.internal_ns), |
|
209 | ('IPython internal', self.shell.internal_ns), | |
210 | ('Python builtin', __builtin__.__dict__), |
|
210 | ('Python builtin', __builtin__.__dict__), | |
211 | ('Alias', self.shell.alias_table), |
|
211 | ('Alias', self.shell.alias_table), | |
212 | ] |
|
212 | ] | |
213 | alias_ns = self.shell.alias_table |
|
213 | alias_ns = self.shell.alias_table | |
214 |
|
214 | |||
215 | # initialize results to 'null' |
|
215 | # initialize results to 'null' | |
216 | found = 0; obj = None; ospace = None; ds = None; |
|
216 | found = 0; obj = None; ospace = None; ds = None; | |
217 | ismagic = 0; isalias = 0; parent = None |
|
217 | ismagic = 0; isalias = 0; parent = None | |
218 |
|
218 | |||
219 | # Look for the given name by splitting it in parts. If the head is |
|
219 | # Look for the given name by splitting it in parts. If the head is | |
220 | # found, then we look for all the remaining parts as members, and only |
|
220 | # found, then we look for all the remaining parts as members, and only | |
221 | # declare success if we can find them all. |
|
221 | # declare success if we can find them all. | |
222 | oname_parts = oname.split('.') |
|
222 | oname_parts = oname.split('.') | |
223 | oname_head, oname_rest = oname_parts[0],oname_parts[1:] |
|
223 | oname_head, oname_rest = oname_parts[0],oname_parts[1:] | |
224 | for nsname,ns in namespaces: |
|
224 | for nsname,ns in namespaces: | |
225 | try: |
|
225 | try: | |
226 | obj = ns[oname_head] |
|
226 | obj = ns[oname_head] | |
227 | except KeyError: |
|
227 | except KeyError: | |
228 | continue |
|
228 | continue | |
229 | else: |
|
229 | else: | |
230 | #print 'oname_rest:', oname_rest # dbg |
|
230 | #print 'oname_rest:', oname_rest # dbg | |
231 | for part in oname_rest: |
|
231 | for part in oname_rest: | |
232 | try: |
|
232 | try: | |
233 | parent = obj |
|
233 | parent = obj | |
234 | obj = getattr(obj,part) |
|
234 | obj = getattr(obj,part) | |
235 | except: |
|
235 | except: | |
236 | # Blanket except b/c some badly implemented objects |
|
236 | # Blanket except b/c some badly implemented objects | |
237 | # allow __getattr__ to raise exceptions other than |
|
237 | # allow __getattr__ to raise exceptions other than | |
238 | # AttributeError, which then crashes IPython. |
|
238 | # AttributeError, which then crashes IPython. | |
239 | break |
|
239 | break | |
240 | else: |
|
240 | else: | |
241 | # If we finish the for loop (no break), we got all members |
|
241 | # If we finish the for loop (no break), we got all members | |
242 | found = 1 |
|
242 | found = 1 | |
243 | ospace = nsname |
|
243 | ospace = nsname | |
244 | if ns == alias_ns: |
|
244 | if ns == alias_ns: | |
245 | isalias = 1 |
|
245 | isalias = 1 | |
246 | break # namespace loop |
|
246 | break # namespace loop | |
247 |
|
247 | |||
248 | # Try to see if it's magic |
|
248 | # Try to see if it's magic | |
249 | if not found: |
|
249 | if not found: | |
250 | if oname.startswith(self.shell.ESC_MAGIC): |
|
250 | if oname.startswith(self.shell.ESC_MAGIC): | |
251 | oname = oname[1:] |
|
251 | oname = oname[1:] | |
252 | obj = getattr(self,'magic_'+oname,None) |
|
252 | obj = getattr(self,'magic_'+oname,None) | |
253 | if obj is not None: |
|
253 | if obj is not None: | |
254 | found = 1 |
|
254 | found = 1 | |
255 | ospace = 'IPython internal' |
|
255 | ospace = 'IPython internal' | |
256 | ismagic = 1 |
|
256 | ismagic = 1 | |
257 |
|
257 | |||
258 | # Last try: special-case some literals like '', [], {}, etc: |
|
258 | # Last try: special-case some literals like '', [], {}, etc: | |
259 | if not found and oname_head in ["''",'""','[]','{}','()']: |
|
259 | if not found and oname_head in ["''",'""','[]','{}','()']: | |
260 | obj = eval(oname_head) |
|
260 | obj = eval(oname_head) | |
261 | found = 1 |
|
261 | found = 1 | |
262 | ospace = 'Interactive' |
|
262 | ospace = 'Interactive' | |
263 |
|
263 | |||
264 | return {'found':found, 'obj':obj, 'namespace':ospace, |
|
264 | return {'found':found, 'obj':obj, 'namespace':ospace, | |
265 | 'ismagic':ismagic, 'isalias':isalias, 'parent':parent} |
|
265 | 'ismagic':ismagic, 'isalias':isalias, 'parent':parent} | |
266 |
|
266 | |||
267 | def arg_err(self,func): |
|
267 | def arg_err(self,func): | |
268 | """Print docstring if incorrect arguments were passed""" |
|
268 | """Print docstring if incorrect arguments were passed""" | |
269 | print 'Error in arguments:' |
|
269 | print 'Error in arguments:' | |
270 | print OInspect.getdoc(func) |
|
270 | print OInspect.getdoc(func) | |
271 |
|
271 | |||
272 | def format_latex(self,strng): |
|
272 | def format_latex(self,strng): | |
273 | """Format a string for latex inclusion.""" |
|
273 | """Format a string for latex inclusion.""" | |
274 |
|
274 | |||
275 | # Characters that need to be escaped for latex: |
|
275 | # Characters that need to be escaped for latex: | |
276 | escape_re = re.compile(r'(%|_|\$|#|&)',re.MULTILINE) |
|
276 | escape_re = re.compile(r'(%|_|\$|#|&)',re.MULTILINE) | |
277 | # Magic command names as headers: |
|
277 | # Magic command names as headers: | |
278 | cmd_name_re = re.compile(r'^(%s.*?):' % self.shell.ESC_MAGIC, |
|
278 | cmd_name_re = re.compile(r'^(%s.*?):' % self.shell.ESC_MAGIC, | |
279 | re.MULTILINE) |
|
279 | re.MULTILINE) | |
280 | # Magic commands |
|
280 | # Magic commands | |
281 | cmd_re = re.compile(r'(?P<cmd>%s.+?\b)(?!\}\}:)' % self.shell.ESC_MAGIC, |
|
281 | cmd_re = re.compile(r'(?P<cmd>%s.+?\b)(?!\}\}:)' % self.shell.ESC_MAGIC, | |
282 | re.MULTILINE) |
|
282 | re.MULTILINE) | |
283 | # Paragraph continue |
|
283 | # Paragraph continue | |
284 | par_re = re.compile(r'\\$',re.MULTILINE) |
|
284 | par_re = re.compile(r'\\$',re.MULTILINE) | |
285 |
|
285 | |||
286 | # The "\n" symbol |
|
286 | # The "\n" symbol | |
287 | newline_re = re.compile(r'\\n') |
|
287 | newline_re = re.compile(r'\\n') | |
288 |
|
288 | |||
289 | # Now build the string for output: |
|
289 | # Now build the string for output: | |
290 | #strng = cmd_name_re.sub(r'\n\\texttt{\\textsl{\\large \1}}:',strng) |
|
290 | #strng = cmd_name_re.sub(r'\n\\texttt{\\textsl{\\large \1}}:',strng) | |
291 | strng = cmd_name_re.sub(r'\n\\bigskip\n\\texttt{\\textbf{ \1}}:', |
|
291 | strng = cmd_name_re.sub(r'\n\\bigskip\n\\texttt{\\textbf{ \1}}:', | |
292 | strng) |
|
292 | strng) | |
293 | strng = cmd_re.sub(r'\\texttt{\g<cmd>}',strng) |
|
293 | strng = cmd_re.sub(r'\\texttt{\g<cmd>}',strng) | |
294 | strng = par_re.sub(r'\\\\',strng) |
|
294 | strng = par_re.sub(r'\\\\',strng) | |
295 | strng = escape_re.sub(r'\\\1',strng) |
|
295 | strng = escape_re.sub(r'\\\1',strng) | |
296 | strng = newline_re.sub(r'\\textbackslash{}n',strng) |
|
296 | strng = newline_re.sub(r'\\textbackslash{}n',strng) | |
297 | return strng |
|
297 | return strng | |
298 |
|
298 | |||
299 | def format_screen(self,strng): |
|
299 | def format_screen(self,strng): | |
300 | """Format a string for screen printing. |
|
300 | """Format a string for screen printing. | |
301 |
|
301 | |||
302 | This removes some latex-type format codes.""" |
|
302 | This removes some latex-type format codes.""" | |
303 | # Paragraph continue |
|
303 | # Paragraph continue | |
304 | par_re = re.compile(r'\\$',re.MULTILINE) |
|
304 | par_re = re.compile(r'\\$',re.MULTILINE) | |
305 | strng = par_re.sub('',strng) |
|
305 | strng = par_re.sub('',strng) | |
306 | return strng |
|
306 | return strng | |
307 |
|
307 | |||
308 | def parse_options(self,arg_str,opt_str,*long_opts,**kw): |
|
308 | def parse_options(self,arg_str,opt_str,*long_opts,**kw): | |
309 | """Parse options passed to an argument string. |
|
309 | """Parse options passed to an argument string. | |
310 |
|
310 | |||
311 | The interface is similar to that of getopt(), but it returns back a |
|
311 | The interface is similar to that of getopt(), but it returns back a | |
312 | Struct with the options as keys and the stripped argument string still |
|
312 | Struct with the options as keys and the stripped argument string still | |
313 | as a string. |
|
313 | as a string. | |
314 |
|
314 | |||
315 | arg_str is quoted as a true sys.argv vector by using shlex.split. |
|
315 | arg_str is quoted as a true sys.argv vector by using shlex.split. | |
316 | This allows us to easily expand variables, glob files, quote |
|
316 | This allows us to easily expand variables, glob files, quote | |
317 | arguments, etc. |
|
317 | arguments, etc. | |
318 |
|
318 | |||
319 | Options: |
|
319 | Options: | |
320 | -mode: default 'string'. If given as 'list', the argument string is |
|
320 | -mode: default 'string'. If given as 'list', the argument string is | |
321 | returned as a list (split on whitespace) instead of a string. |
|
321 | returned as a list (split on whitespace) instead of a string. | |
322 |
|
322 | |||
323 | -list_all: put all option values in lists. Normally only options |
|
323 | -list_all: put all option values in lists. Normally only options | |
324 | appearing more than once are put in a list. |
|
324 | appearing more than once are put in a list. | |
325 |
|
325 | |||
326 | -posix (True): whether to split the input line in POSIX mode or not, |
|
326 | -posix (True): whether to split the input line in POSIX mode or not, | |
327 | as per the conventions outlined in the shlex module from the |
|
327 | as per the conventions outlined in the shlex module from the | |
328 | standard library.""" |
|
328 | standard library.""" | |
329 |
|
329 | |||
330 | # inject default options at the beginning of the input line |
|
330 | # inject default options at the beginning of the input line | |
331 | caller = sys._getframe(1).f_code.co_name.replace('magic_','') |
|
331 | caller = sys._getframe(1).f_code.co_name.replace('magic_','') | |
332 | arg_str = '%s %s' % (self.options_table.get(caller,''),arg_str) |
|
332 | arg_str = '%s %s' % (self.options_table.get(caller,''),arg_str) | |
333 |
|
333 | |||
334 | mode = kw.get('mode','string') |
|
334 | mode = kw.get('mode','string') | |
335 | if mode not in ['string','list']: |
|
335 | if mode not in ['string','list']: | |
336 | raise ValueError,'incorrect mode given: %s' % mode |
|
336 | raise ValueError,'incorrect mode given: %s' % mode | |
337 | # Get options |
|
337 | # Get options | |
338 | list_all = kw.get('list_all',0) |
|
338 | list_all = kw.get('list_all',0) | |
339 | posix = kw.get('posix',True) |
|
339 | posix = kw.get('posix',True) | |
340 |
|
340 | |||
341 | # Check if we have more than one argument to warrant extra processing: |
|
341 | # Check if we have more than one argument to warrant extra processing: | |
342 | odict = {} # Dictionary with options |
|
342 | odict = {} # Dictionary with options | |
343 | args = arg_str.split() |
|
343 | args = arg_str.split() | |
344 | if len(args) >= 1: |
|
344 | if len(args) >= 1: | |
345 | # If the list of inputs only has 0 or 1 thing in it, there's no |
|
345 | # If the list of inputs only has 0 or 1 thing in it, there's no | |
346 | # need to look for options |
|
346 | # need to look for options | |
347 | argv = arg_split(arg_str,posix) |
|
347 | argv = arg_split(arg_str,posix) | |
348 | # Do regular option processing |
|
348 | # Do regular option processing | |
349 | try: |
|
349 | try: | |
350 | opts,args = getopt(argv,opt_str,*long_opts) |
|
350 | opts,args = getopt(argv,opt_str,*long_opts) | |
351 | except GetoptError,e: |
|
351 | except GetoptError,e: | |
352 | raise GetoptError('%s ( allowed: "%s" %s)' % (e.msg,opt_str, |
|
352 | raise GetoptError('%s ( allowed: "%s" %s)' % (e.msg,opt_str, | |
353 | " ".join(long_opts))) |
|
353 | " ".join(long_opts))) | |
354 | for o,a in opts: |
|
354 | for o,a in opts: | |
355 | if o.startswith('--'): |
|
355 | if o.startswith('--'): | |
356 | o = o[2:] |
|
356 | o = o[2:] | |
357 | else: |
|
357 | else: | |
358 | o = o[1:] |
|
358 | o = o[1:] | |
359 | try: |
|
359 | try: | |
360 | odict[o].append(a) |
|
360 | odict[o].append(a) | |
361 | except AttributeError: |
|
361 | except AttributeError: | |
362 | odict[o] = [odict[o],a] |
|
362 | odict[o] = [odict[o],a] | |
363 | except KeyError: |
|
363 | except KeyError: | |
364 | if list_all: |
|
364 | if list_all: | |
365 | odict[o] = [a] |
|
365 | odict[o] = [a] | |
366 | else: |
|
366 | else: | |
367 | odict[o] = a |
|
367 | odict[o] = a | |
368 |
|
368 | |||
369 | # Prepare opts,args for return |
|
369 | # Prepare opts,args for return | |
370 | opts = Struct(odict) |
|
370 | opts = Struct(odict) | |
371 | if mode == 'string': |
|
371 | if mode == 'string': | |
372 | args = ' '.join(args) |
|
372 | args = ' '.join(args) | |
373 |
|
373 | |||
374 | return opts,args |
|
374 | return opts,args | |
375 |
|
375 | |||
376 | #...................................................................... |
|
376 | #...................................................................... | |
377 | # And now the actual magic functions |
|
377 | # And now the actual magic functions | |
378 |
|
378 | |||
379 | # Functions for IPython shell work (vars,funcs, config, etc) |
|
379 | # Functions for IPython shell work (vars,funcs, config, etc) | |
380 | def magic_lsmagic(self, parameter_s = ''): |
|
380 | def magic_lsmagic(self, parameter_s = ''): | |
381 | """List currently available magic functions.""" |
|
381 | """List currently available magic functions.""" | |
382 | mesc = self.shell.ESC_MAGIC |
|
382 | mesc = self.shell.ESC_MAGIC | |
383 | print 'Available magic functions:\n'+mesc+\ |
|
383 | print 'Available magic functions:\n'+mesc+\ | |
384 | (' '+mesc).join(self.lsmagic()) |
|
384 | (' '+mesc).join(self.lsmagic()) | |
385 | print '\n' + Magic.auto_status[self.shell.rc.automagic] |
|
385 | print '\n' + Magic.auto_status[self.shell.rc.automagic] | |
386 | return None |
|
386 | return None | |
387 |
|
387 | |||
388 | def magic_magic(self, parameter_s = ''): |
|
388 | def magic_magic(self, parameter_s = ''): | |
389 | """Print information about the magic function system.""" |
|
389 | """Print information about the magic function system.""" | |
390 |
|
390 | |||
391 | mode = '' |
|
391 | mode = '' | |
392 | try: |
|
392 | try: | |
393 | if parameter_s.split()[0] == '-latex': |
|
393 | if parameter_s.split()[0] == '-latex': | |
394 | mode = 'latex' |
|
394 | mode = 'latex' | |
395 | if parameter_s.split()[0] == '-brief': |
|
395 | if parameter_s.split()[0] == '-brief': | |
396 | mode = 'brief' |
|
396 | mode = 'brief' | |
397 | except: |
|
397 | except: | |
398 | pass |
|
398 | pass | |
399 |
|
399 | |||
400 | magic_docs = [] |
|
400 | magic_docs = [] | |
401 | for fname in self.lsmagic(): |
|
401 | for fname in self.lsmagic(): | |
402 | mname = 'magic_' + fname |
|
402 | mname = 'magic_' + fname | |
403 | for space in (Magic,self,self.__class__): |
|
403 | for space in (Magic,self,self.__class__): | |
404 | try: |
|
404 | try: | |
405 | fn = space.__dict__[mname] |
|
405 | fn = space.__dict__[mname] | |
406 | except KeyError: |
|
406 | except KeyError: | |
407 | pass |
|
407 | pass | |
408 | else: |
|
408 | else: | |
409 | break |
|
409 | break | |
410 | if mode == 'brief': |
|
410 | if mode == 'brief': | |
411 | # only first line |
|
411 | # only first line | |
412 | fndoc = fn.__doc__.split('\n',1)[0] |
|
412 | fndoc = fn.__doc__.split('\n',1)[0] | |
413 | else: |
|
413 | else: | |
414 | fndoc = fn.__doc__ |
|
414 | fndoc = fn.__doc__ | |
415 |
|
415 | |||
416 | magic_docs.append('%s%s:\n\t%s\n' %(self.shell.ESC_MAGIC, |
|
416 | magic_docs.append('%s%s:\n\t%s\n' %(self.shell.ESC_MAGIC, | |
417 | fname,fndoc)) |
|
417 | fname,fndoc)) | |
418 | magic_docs = ''.join(magic_docs) |
|
418 | magic_docs = ''.join(magic_docs) | |
419 |
|
419 | |||
420 | if mode == 'latex': |
|
420 | if mode == 'latex': | |
421 | print self.format_latex(magic_docs) |
|
421 | print self.format_latex(magic_docs) | |
422 | return |
|
422 | return | |
423 | else: |
|
423 | else: | |
424 | magic_docs = self.format_screen(magic_docs) |
|
424 | magic_docs = self.format_screen(magic_docs) | |
425 | if mode == 'brief': |
|
425 | if mode == 'brief': | |
426 | return magic_docs |
|
426 | return magic_docs | |
427 |
|
427 | |||
428 | outmsg = """ |
|
428 | outmsg = """ | |
429 | IPython's 'magic' functions |
|
429 | IPython's 'magic' functions | |
430 | =========================== |
|
430 | =========================== | |
431 |
|
431 | |||
432 | The magic function system provides a series of functions which allow you to |
|
432 | The magic function system provides a series of functions which allow you to | |
433 | control the behavior of IPython itself, plus a lot of system-type |
|
433 | control the behavior of IPython itself, plus a lot of system-type | |
434 | features. All these functions are prefixed with a % character, but parameters |
|
434 | features. All these functions are prefixed with a % character, but parameters | |
435 | are given without parentheses or quotes. |
|
435 | are given without parentheses or quotes. | |
436 |
|
436 | |||
437 | NOTE: If you have 'automagic' enabled (via the command line option or with the |
|
437 | NOTE: If you have 'automagic' enabled (via the command line option or with the | |
438 | %automagic function), you don't need to type in the % explicitly. By default, |
|
438 | %automagic function), you don't need to type in the % explicitly. By default, | |
439 | IPython ships with automagic on, so you should only rarely need the % escape. |
|
439 | IPython ships with automagic on, so you should only rarely need the % escape. | |
440 |
|
440 | |||
441 | Example: typing '%cd mydir' (without the quotes) changes you working directory |
|
441 | Example: typing '%cd mydir' (without the quotes) changes you working directory | |
442 | to 'mydir', if it exists. |
|
442 | to 'mydir', if it exists. | |
443 |
|
443 | |||
444 | You can define your own magic functions to extend the system. See the supplied |
|
444 | You can define your own magic functions to extend the system. See the supplied | |
445 | ipythonrc and example-magic.py files for details (in your ipython |
|
445 | ipythonrc and example-magic.py files for details (in your ipython | |
446 | configuration directory, typically $HOME/.ipython/). |
|
446 | configuration directory, typically $HOME/.ipython/). | |
447 |
|
447 | |||
448 | You can also define your own aliased names for magic functions. In your |
|
448 | You can also define your own aliased names for magic functions. In your | |
449 | ipythonrc file, placing a line like: |
|
449 | ipythonrc file, placing a line like: | |
450 |
|
450 | |||
451 | execute __IPYTHON__.magic_pf = __IPYTHON__.magic_profile |
|
451 | execute __IPYTHON__.magic_pf = __IPYTHON__.magic_profile | |
452 |
|
452 | |||
453 | will define %pf as a new name for %profile. |
|
453 | will define %pf as a new name for %profile. | |
454 |
|
454 | |||
455 | You can also call magics in code using the ipmagic() function, which IPython |
|
455 | You can also call magics in code using the ipmagic() function, which IPython | |
456 | automatically adds to the builtin namespace. Type 'ipmagic?' for details. |
|
456 | automatically adds to the builtin namespace. Type 'ipmagic?' for details. | |
457 |
|
457 | |||
458 | For a list of the available magic functions, use %lsmagic. For a description |
|
458 | For a list of the available magic functions, use %lsmagic. For a description | |
459 | of any of them, type %magic_name?, e.g. '%cd?'. |
|
459 | of any of them, type %magic_name?, e.g. '%cd?'. | |
460 |
|
460 | |||
461 | Currently the magic system has the following functions:\n""" |
|
461 | Currently the magic system has the following functions:\n""" | |
462 |
|
462 | |||
463 | mesc = self.shell.ESC_MAGIC |
|
463 | mesc = self.shell.ESC_MAGIC | |
464 | outmsg = ("%s\n%s\n\nSummary of magic functions (from %slsmagic):" |
|
464 | outmsg = ("%s\n%s\n\nSummary of magic functions (from %slsmagic):" | |
465 | "\n\n%s%s\n\n%s" % (outmsg, |
|
465 | "\n\n%s%s\n\n%s" % (outmsg, | |
466 | magic_docs,mesc,mesc, |
|
466 | magic_docs,mesc,mesc, | |
467 | (' '+mesc).join(self.lsmagic()), |
|
467 | (' '+mesc).join(self.lsmagic()), | |
468 | Magic.auto_status[self.shell.rc.automagic] ) ) |
|
468 | Magic.auto_status[self.shell.rc.automagic] ) ) | |
469 |
|
469 | |||
470 | page(outmsg,screen_lines=self.shell.rc.screen_length) |
|
470 | page(outmsg,screen_lines=self.shell.rc.screen_length) | |
471 |
|
471 | |||
472 |
|
472 | |||
473 | def magic_autoindent(self, parameter_s = ''): |
|
473 | def magic_autoindent(self, parameter_s = ''): | |
474 | """Toggle autoindent on/off (if available).""" |
|
474 | """Toggle autoindent on/off (if available).""" | |
475 |
|
475 | |||
476 | self.shell.set_autoindent() |
|
476 | self.shell.set_autoindent() | |
477 | print "Automatic indentation is:",['OFF','ON'][self.shell.autoindent] |
|
477 | print "Automatic indentation is:",['OFF','ON'][self.shell.autoindent] | |
478 |
|
478 | |||
479 | def magic_system_verbose(self, parameter_s = ''): |
|
479 | def magic_system_verbose(self, parameter_s = ''): | |
480 | """Set verbose printing of system calls. |
|
480 | """Set verbose printing of system calls. | |
481 |
|
481 | |||
482 | If called without an argument, act as a toggle""" |
|
482 | If called without an argument, act as a toggle""" | |
483 |
|
483 | |||
484 | if parameter_s: |
|
484 | if parameter_s: | |
485 | val = bool(eval(parameter_s)) |
|
485 | val = bool(eval(parameter_s)) | |
486 | else: |
|
486 | else: | |
487 | val = None |
|
487 | val = None | |
488 |
|
488 | |||
489 | self.shell.rc_set_toggle('system_verbose',val) |
|
489 | self.shell.rc_set_toggle('system_verbose',val) | |
490 | print "System verbose printing is:",\ |
|
490 | print "System verbose printing is:",\ | |
491 | ['OFF','ON'][self.shell.rc.system_verbose] |
|
491 | ['OFF','ON'][self.shell.rc.system_verbose] | |
492 |
|
492 | |||
493 |
|
493 | |||
494 | def magic_page(self, parameter_s=''): |
|
494 | def magic_page(self, parameter_s=''): | |
495 | """Pretty print the object and display it through a pager. |
|
495 | """Pretty print the object and display it through a pager. | |
496 |
|
496 | |||
497 | %page [options] OBJECT |
|
497 | %page [options] OBJECT | |
498 |
|
498 | |||
499 | If no object is given, use _ (last output). |
|
499 | If no object is given, use _ (last output). | |
500 |
|
500 | |||
501 | Options: |
|
501 | Options: | |
502 |
|
502 | |||
503 | -r: page str(object), don't pretty-print it.""" |
|
503 | -r: page str(object), don't pretty-print it.""" | |
504 |
|
504 | |||
505 | # After a function contributed by Olivier Aubert, slightly modified. |
|
505 | # After a function contributed by Olivier Aubert, slightly modified. | |
506 |
|
506 | |||
507 | # Process options/args |
|
507 | # Process options/args | |
508 | opts,args = self.parse_options(parameter_s,'r') |
|
508 | opts,args = self.parse_options(parameter_s,'r') | |
509 | raw = 'r' in opts |
|
509 | raw = 'r' in opts | |
510 |
|
510 | |||
511 | oname = args and args or '_' |
|
511 | oname = args and args or '_' | |
512 | info = self._ofind(oname) |
|
512 | info = self._ofind(oname) | |
513 | if info['found']: |
|
513 | if info['found']: | |
514 | txt = (raw and str or pformat)( info['obj'] ) |
|
514 | txt = (raw and str or pformat)( info['obj'] ) | |
515 | page(txt) |
|
515 | page(txt) | |
516 | else: |
|
516 | else: | |
517 | print 'Object `%s` not found' % oname |
|
517 | print 'Object `%s` not found' % oname | |
518 |
|
518 | |||
519 | def magic_profile(self, parameter_s=''): |
|
519 | def magic_profile(self, parameter_s=''): | |
520 | """Print your currently active IPyhton profile.""" |
|
520 | """Print your currently active IPyhton profile.""" | |
521 | if self.shell.rc.profile: |
|
521 | if self.shell.rc.profile: | |
522 | printpl('Current IPython profile: $self.shell.rc.profile.') |
|
522 | printpl('Current IPython profile: $self.shell.rc.profile.') | |
523 | else: |
|
523 | else: | |
524 | print 'No profile active.' |
|
524 | print 'No profile active.' | |
525 |
|
525 | |||
526 | def magic_pinfo(self, parameter_s='', namespaces=None): |
|
526 | def magic_pinfo(self, parameter_s='', namespaces=None): | |
527 | """Provide detailed information about an object. |
|
527 | """Provide detailed information about an object. | |
528 |
|
528 | |||
529 | '%pinfo object' is just a synonym for object? or ?object.""" |
|
529 | '%pinfo object' is just a synonym for object? or ?object.""" | |
530 |
|
530 | |||
531 | #print 'pinfo par: <%s>' % parameter_s # dbg |
|
531 | #print 'pinfo par: <%s>' % parameter_s # dbg | |
532 |
|
532 | |||
533 |
|
533 | |||
534 | # detail_level: 0 -> obj? , 1 -> obj?? |
|
534 | # detail_level: 0 -> obj? , 1 -> obj?? | |
535 | detail_level = 0 |
|
535 | detail_level = 0 | |
536 | # We need to detect if we got called as 'pinfo pinfo foo', which can |
|
536 | # We need to detect if we got called as 'pinfo pinfo foo', which can | |
537 | # happen if the user types 'pinfo foo?' at the cmd line. |
|
537 | # happen if the user types 'pinfo foo?' at the cmd line. | |
538 | pinfo,qmark1,oname,qmark2 = \ |
|
538 | pinfo,qmark1,oname,qmark2 = \ | |
539 | re.match('(pinfo )?(\?*)(.*?)(\??$)',parameter_s).groups() |
|
539 | re.match('(pinfo )?(\?*)(.*?)(\??$)',parameter_s).groups() | |
540 | if pinfo or qmark1 or qmark2: |
|
540 | if pinfo or qmark1 or qmark2: | |
541 | detail_level = 1 |
|
541 | detail_level = 1 | |
542 | if "*" in oname: |
|
542 | if "*" in oname: | |
543 | self.magic_psearch(oname) |
|
543 | self.magic_psearch(oname) | |
544 | else: |
|
544 | else: | |
545 | self._inspect('pinfo', oname, detail_level=detail_level, |
|
545 | self._inspect('pinfo', oname, detail_level=detail_level, | |
546 | namespaces=namespaces) |
|
546 | namespaces=namespaces) | |
547 |
|
547 | |||
548 | def _inspect(self,meth,oname,namespaces=None,**kw): |
|
548 | def _inspect(self,meth,oname,namespaces=None,**kw): | |
549 | """Generic interface to the inspector system. |
|
549 | """Generic interface to the inspector system. | |
550 |
|
550 | |||
551 | This function is meant to be called by pdef, pdoc & friends.""" |
|
551 | This function is meant to be called by pdef, pdoc & friends.""" | |
552 |
|
552 | |||
553 | #oname = oname.strip() |
|
553 | #oname = oname.strip() | |
554 | #print '1- oname: <%r>' % oname # dbg |
|
554 | #print '1- oname: <%r>' % oname # dbg | |
555 | try: |
|
555 | try: | |
556 | oname = oname.strip().encode('ascii') |
|
556 | oname = oname.strip().encode('ascii') | |
557 | #print '2- oname: <%r>' % oname # dbg |
|
557 | #print '2- oname: <%r>' % oname # dbg | |
558 | except UnicodeEncodeError: |
|
558 | except UnicodeEncodeError: | |
559 | print 'Python identifiers can only contain ascii characters.' |
|
559 | print 'Python identifiers can only contain ascii characters.' | |
560 | return 'not found' |
|
560 | return 'not found' | |
561 |
|
561 | |||
562 | info = Struct(self._ofind(oname, namespaces)) |
|
562 | info = Struct(self._ofind(oname, namespaces)) | |
563 |
|
563 | |||
564 | if info.found: |
|
564 | if info.found: | |
565 | try: |
|
565 | try: | |
566 | IPython.generics.inspect_object(info.obj) |
|
566 | IPython.generics.inspect_object(info.obj) | |
567 | return |
|
567 | return | |
568 | except IPython.ipapi.TryNext: |
|
568 | except IPython.ipapi.TryNext: | |
569 | pass |
|
569 | pass | |
570 | # Get the docstring of the class property if it exists. |
|
570 | # Get the docstring of the class property if it exists. | |
571 | path = oname.split('.') |
|
571 | path = oname.split('.') | |
572 | root = '.'.join(path[:-1]) |
|
572 | root = '.'.join(path[:-1]) | |
573 | if info.parent is not None: |
|
573 | if info.parent is not None: | |
574 | try: |
|
574 | try: | |
575 | target = getattr(info.parent, '__class__') |
|
575 | target = getattr(info.parent, '__class__') | |
576 | # The object belongs to a class instance. |
|
576 | # The object belongs to a class instance. | |
577 | try: |
|
577 | try: | |
578 | target = getattr(target, path[-1]) |
|
578 | target = getattr(target, path[-1]) | |
579 | # The class defines the object. |
|
579 | # The class defines the object. | |
580 | if isinstance(target, property): |
|
580 | if isinstance(target, property): | |
581 | oname = root + '.__class__.' + path[-1] |
|
581 | oname = root + '.__class__.' + path[-1] | |
582 | info = Struct(self._ofind(oname)) |
|
582 | info = Struct(self._ofind(oname)) | |
583 | except AttributeError: pass |
|
583 | except AttributeError: pass | |
584 | except AttributeError: pass |
|
584 | except AttributeError: pass | |
585 |
|
585 | |||
586 | pmethod = getattr(self.shell.inspector,meth) |
|
586 | pmethod = getattr(self.shell.inspector,meth) | |
587 | formatter = info.ismagic and self.format_screen or None |
|
587 | formatter = info.ismagic and self.format_screen or None | |
588 | if meth == 'pdoc': |
|
588 | if meth == 'pdoc': | |
589 | pmethod(info.obj,oname,formatter) |
|
589 | pmethod(info.obj,oname,formatter) | |
590 | elif meth == 'pinfo': |
|
590 | elif meth == 'pinfo': | |
591 | pmethod(info.obj,oname,formatter,info,**kw) |
|
591 | pmethod(info.obj,oname,formatter,info,**kw) | |
592 | else: |
|
592 | else: | |
593 | pmethod(info.obj,oname) |
|
593 | pmethod(info.obj,oname) | |
594 | else: |
|
594 | else: | |
595 | print 'Object `%s` not found.' % oname |
|
595 | print 'Object `%s` not found.' % oname | |
596 | return 'not found' # so callers can take other action |
|
596 | return 'not found' # so callers can take other action | |
597 |
|
597 | |||
598 | def magic_psearch(self, parameter_s=''): |
|
598 | def magic_psearch(self, parameter_s=''): | |
599 | """Search for object in namespaces by wildcard. |
|
599 | """Search for object in namespaces by wildcard. | |
600 |
|
600 | |||
601 | %psearch [options] PATTERN [OBJECT TYPE] |
|
601 | %psearch [options] PATTERN [OBJECT TYPE] | |
602 |
|
602 | |||
603 | Note: ? can be used as a synonym for %psearch, at the beginning or at |
|
603 | Note: ? can be used as a synonym for %psearch, at the beginning or at | |
604 | the end: both a*? and ?a* are equivalent to '%psearch a*'. Still, the |
|
604 | the end: both a*? and ?a* are equivalent to '%psearch a*'. Still, the | |
605 | rest of the command line must be unchanged (options come first), so |
|
605 | rest of the command line must be unchanged (options come first), so | |
606 | for example the following forms are equivalent |
|
606 | for example the following forms are equivalent | |
607 |
|
607 | |||
608 | %psearch -i a* function |
|
608 | %psearch -i a* function | |
609 | -i a* function? |
|
609 | -i a* function? | |
610 | ?-i a* function |
|
610 | ?-i a* function | |
611 |
|
611 | |||
612 | Arguments: |
|
612 | Arguments: | |
613 |
|
613 | |||
614 | PATTERN |
|
614 | PATTERN | |
615 |
|
615 | |||
616 | where PATTERN is a string containing * as a wildcard similar to its |
|
616 | where PATTERN is a string containing * as a wildcard similar to its | |
617 | use in a shell. The pattern is matched in all namespaces on the |
|
617 | use in a shell. The pattern is matched in all namespaces on the | |
618 | search path. By default objects starting with a single _ are not |
|
618 | search path. By default objects starting with a single _ are not | |
619 | matched, many IPython generated objects have a single |
|
619 | matched, many IPython generated objects have a single | |
620 | underscore. The default is case insensitive matching. Matching is |
|
620 | underscore. The default is case insensitive matching. Matching is | |
621 | also done on the attributes of objects and not only on the objects |
|
621 | also done on the attributes of objects and not only on the objects | |
622 | in a module. |
|
622 | in a module. | |
623 |
|
623 | |||
624 | [OBJECT TYPE] |
|
624 | [OBJECT TYPE] | |
625 |
|
625 | |||
626 | Is the name of a python type from the types module. The name is |
|
626 | Is the name of a python type from the types module. The name is | |
627 | given in lowercase without the ending type, ex. StringType is |
|
627 | given in lowercase without the ending type, ex. StringType is | |
628 | written string. By adding a type here only objects matching the |
|
628 | written string. By adding a type here only objects matching the | |
629 | given type are matched. Using all here makes the pattern match all |
|
629 | given type are matched. Using all here makes the pattern match all | |
630 | types (this is the default). |
|
630 | types (this is the default). | |
631 |
|
631 | |||
632 | Options: |
|
632 | Options: | |
633 |
|
633 | |||
634 | -a: makes the pattern match even objects whose names start with a |
|
634 | -a: makes the pattern match even objects whose names start with a | |
635 | single underscore. These names are normally ommitted from the |
|
635 | single underscore. These names are normally ommitted from the | |
636 | search. |
|
636 | search. | |
637 |
|
637 | |||
638 | -i/-c: make the pattern case insensitive/sensitive. If neither of |
|
638 | -i/-c: make the pattern case insensitive/sensitive. If neither of | |
639 | these options is given, the default is read from your ipythonrc |
|
639 | these options is given, the default is read from your ipythonrc | |
640 | file. The option name which sets this value is |
|
640 | file. The option name which sets this value is | |
641 | 'wildcards_case_sensitive'. If this option is not specified in your |
|
641 | 'wildcards_case_sensitive'. If this option is not specified in your | |
642 | ipythonrc file, IPython's internal default is to do a case sensitive |
|
642 | ipythonrc file, IPython's internal default is to do a case sensitive | |
643 | search. |
|
643 | search. | |
644 |
|
644 | |||
645 | -e/-s NAMESPACE: exclude/search a given namespace. The pattern you |
|
645 | -e/-s NAMESPACE: exclude/search a given namespace. The pattern you | |
646 | specifiy can be searched in any of the following namespaces: |
|
646 | specifiy can be searched in any of the following namespaces: | |
647 | 'builtin', 'user', 'user_global','internal', 'alias', where |
|
647 | 'builtin', 'user', 'user_global','internal', 'alias', where | |
648 | 'builtin' and 'user' are the search defaults. Note that you should |
|
648 | 'builtin' and 'user' are the search defaults. Note that you should | |
649 | not use quotes when specifying namespaces. |
|
649 | not use quotes when specifying namespaces. | |
650 |
|
650 | |||
651 | 'Builtin' contains the python module builtin, 'user' contains all |
|
651 | 'Builtin' contains the python module builtin, 'user' contains all | |
652 | user data, 'alias' only contain the shell aliases and no python |
|
652 | user data, 'alias' only contain the shell aliases and no python | |
653 | objects, 'internal' contains objects used by IPython. The |
|
653 | objects, 'internal' contains objects used by IPython. The | |
654 | 'user_global' namespace is only used by embedded IPython instances, |
|
654 | 'user_global' namespace is only used by embedded IPython instances, | |
655 | and it contains module-level globals. You can add namespaces to the |
|
655 | and it contains module-level globals. You can add namespaces to the | |
656 | search with -s or exclude them with -e (these options can be given |
|
656 | search with -s or exclude them with -e (these options can be given | |
657 | more than once). |
|
657 | more than once). | |
658 |
|
658 | |||
659 | Examples: |
|
659 | Examples: | |
660 |
|
660 | |||
661 | %psearch a* -> objects beginning with an a |
|
661 | %psearch a* -> objects beginning with an a | |
662 | %psearch -e builtin a* -> objects NOT in the builtin space starting in a |
|
662 | %psearch -e builtin a* -> objects NOT in the builtin space starting in a | |
663 | %psearch a* function -> all functions beginning with an a |
|
663 | %psearch a* function -> all functions beginning with an a | |
664 | %psearch re.e* -> objects beginning with an e in module re |
|
664 | %psearch re.e* -> objects beginning with an e in module re | |
665 | %psearch r*.e* -> objects that start with e in modules starting in r |
|
665 | %psearch r*.e* -> objects that start with e in modules starting in r | |
666 | %psearch r*.* string -> all strings in modules beginning with r |
|
666 | %psearch r*.* string -> all strings in modules beginning with r | |
667 |
|
667 | |||
668 | Case sensitve search: |
|
668 | Case sensitve search: | |
669 |
|
669 | |||
670 | %psearch -c a* list all object beginning with lower case a |
|
670 | %psearch -c a* list all object beginning with lower case a | |
671 |
|
671 | |||
672 | Show objects beginning with a single _: |
|
672 | Show objects beginning with a single _: | |
673 |
|
673 | |||
674 | %psearch -a _* list objects beginning with a single underscore""" |
|
674 | %psearch -a _* list objects beginning with a single underscore""" | |
675 | try: |
|
675 | try: | |
676 | parameter_s = parameter_s.encode('ascii') |
|
676 | parameter_s = parameter_s.encode('ascii') | |
677 | except UnicodeEncodeError: |
|
677 | except UnicodeEncodeError: | |
678 | print 'Python identifiers can only contain ascii characters.' |
|
678 | print 'Python identifiers can only contain ascii characters.' | |
679 | return |
|
679 | return | |
680 |
|
680 | |||
681 | # default namespaces to be searched |
|
681 | # default namespaces to be searched | |
682 | def_search = ['user','builtin'] |
|
682 | def_search = ['user','builtin'] | |
683 |
|
683 | |||
684 | # Process options/args |
|
684 | # Process options/args | |
685 | opts,args = self.parse_options(parameter_s,'cias:e:',list_all=True) |
|
685 | opts,args = self.parse_options(parameter_s,'cias:e:',list_all=True) | |
686 | opt = opts.get |
|
686 | opt = opts.get | |
687 | shell = self.shell |
|
687 | shell = self.shell | |
688 | psearch = shell.inspector.psearch |
|
688 | psearch = shell.inspector.psearch | |
689 |
|
689 | |||
690 | # select case options |
|
690 | # select case options | |
691 | if opts.has_key('i'): |
|
691 | if opts.has_key('i'): | |
692 | ignore_case = True |
|
692 | ignore_case = True | |
693 | elif opts.has_key('c'): |
|
693 | elif opts.has_key('c'): | |
694 | ignore_case = False |
|
694 | ignore_case = False | |
695 | else: |
|
695 | else: | |
696 | ignore_case = not shell.rc.wildcards_case_sensitive |
|
696 | ignore_case = not shell.rc.wildcards_case_sensitive | |
697 |
|
697 | |||
698 | # Build list of namespaces to search from user options |
|
698 | # Build list of namespaces to search from user options | |
699 | def_search.extend(opt('s',[])) |
|
699 | def_search.extend(opt('s',[])) | |
700 | ns_exclude = ns_exclude=opt('e',[]) |
|
700 | ns_exclude = ns_exclude=opt('e',[]) | |
701 | ns_search = [nm for nm in def_search if nm not in ns_exclude] |
|
701 | ns_search = [nm for nm in def_search if nm not in ns_exclude] | |
702 |
|
702 | |||
703 | # Call the actual search |
|
703 | # Call the actual search | |
704 | try: |
|
704 | try: | |
705 | psearch(args,shell.ns_table,ns_search, |
|
705 | psearch(args,shell.ns_table,ns_search, | |
706 | show_all=opt('a'),ignore_case=ignore_case) |
|
706 | show_all=opt('a'),ignore_case=ignore_case) | |
707 | except: |
|
707 | except: | |
708 | shell.showtraceback() |
|
708 | shell.showtraceback() | |
709 |
|
709 | |||
710 | def magic_who_ls(self, parameter_s=''): |
|
710 | def magic_who_ls(self, parameter_s=''): | |
711 | """Return a sorted list of all interactive variables. |
|
711 | """Return a sorted list of all interactive variables. | |
712 |
|
712 | |||
713 | If arguments are given, only variables of types matching these |
|
713 | If arguments are given, only variables of types matching these | |
714 | arguments are returned.""" |
|
714 | arguments are returned.""" | |
715 |
|
715 | |||
716 | user_ns = self.shell.user_ns |
|
716 | user_ns = self.shell.user_ns | |
717 | internal_ns = self.shell.internal_ns |
|
717 | internal_ns = self.shell.internal_ns | |
718 | user_config_ns = self.shell.user_config_ns |
|
718 | user_config_ns = self.shell.user_config_ns | |
719 | out = [] |
|
719 | out = [] | |
720 | typelist = parameter_s.split() |
|
720 | typelist = parameter_s.split() | |
721 |
|
721 | |||
722 | for i in user_ns: |
|
722 | for i in user_ns: | |
723 | if not (i.startswith('_') or i.startswith('_i')) \ |
|
723 | if not (i.startswith('_') or i.startswith('_i')) \ | |
724 | and not (i in internal_ns or i in user_config_ns): |
|
724 | and not (i in internal_ns or i in user_config_ns): | |
725 | if typelist: |
|
725 | if typelist: | |
726 | if type(user_ns[i]).__name__ in typelist: |
|
726 | if type(user_ns[i]).__name__ in typelist: | |
727 | out.append(i) |
|
727 | out.append(i) | |
728 | else: |
|
728 | else: | |
729 | out.append(i) |
|
729 | out.append(i) | |
730 | out.sort() |
|
730 | out.sort() | |
731 | return out |
|
731 | return out | |
732 |
|
732 | |||
733 | def magic_who(self, parameter_s=''): |
|
733 | def magic_who(self, parameter_s=''): | |
734 | """Print all interactive variables, with some minimal formatting. |
|
734 | """Print all interactive variables, with some minimal formatting. | |
735 |
|
735 | |||
736 | If any arguments are given, only variables whose type matches one of |
|
736 | If any arguments are given, only variables whose type matches one of | |
737 | these are printed. For example: |
|
737 | these are printed. For example: | |
738 |
|
738 | |||
739 | %who function str |
|
739 | %who function str | |
740 |
|
740 | |||
741 | will only list functions and strings, excluding all other types of |
|
741 | will only list functions and strings, excluding all other types of | |
742 | variables. To find the proper type names, simply use type(var) at a |
|
742 | variables. To find the proper type names, simply use type(var) at a | |
743 | command line to see how python prints type names. For example: |
|
743 | command line to see how python prints type names. For example: | |
744 |
|
744 | |||
745 | In [1]: type('hello')\\ |
|
745 | In [1]: type('hello')\\ | |
746 | Out[1]: <type 'str'> |
|
746 | Out[1]: <type 'str'> | |
747 |
|
747 | |||
748 | indicates that the type name for strings is 'str'. |
|
748 | indicates that the type name for strings is 'str'. | |
749 |
|
749 | |||
750 | %who always excludes executed names loaded through your configuration |
|
750 | %who always excludes executed names loaded through your configuration | |
751 | file and things which are internal to IPython. |
|
751 | file and things which are internal to IPython. | |
752 |
|
752 | |||
753 | This is deliberate, as typically you may load many modules and the |
|
753 | This is deliberate, as typically you may load many modules and the | |
754 | purpose of %who is to show you only what you've manually defined.""" |
|
754 | purpose of %who is to show you only what you've manually defined.""" | |
755 |
|
755 | |||
756 | varlist = self.magic_who_ls(parameter_s) |
|
756 | varlist = self.magic_who_ls(parameter_s) | |
757 | if not varlist: |
|
757 | if not varlist: | |
758 | if parameter_s: |
|
758 | if parameter_s: | |
759 | print 'No variables match your requested type.' |
|
759 | print 'No variables match your requested type.' | |
760 | else: |
|
760 | else: | |
761 | print 'Interactive namespace is empty.' |
|
761 | print 'Interactive namespace is empty.' | |
762 | return |
|
762 | return | |
763 |
|
763 | |||
764 | # if we have variables, move on... |
|
764 | # if we have variables, move on... | |
765 | count = 0 |
|
765 | count = 0 | |
766 | for i in varlist: |
|
766 | for i in varlist: | |
767 | print i+'\t', |
|
767 | print i+'\t', | |
768 | count += 1 |
|
768 | count += 1 | |
769 | if count > 8: |
|
769 | if count > 8: | |
770 | count = 0 |
|
770 | count = 0 | |
771 |
|
771 | |||
772 |
|
772 | |||
773 |
|
773 | |||
774 | def magic_whos(self, parameter_s=''): |
|
774 | def magic_whos(self, parameter_s=''): | |
775 | """Like %who, but gives some extra information about each variable. |
|
775 | """Like %who, but gives some extra information about each variable. | |
776 |
|
776 | |||
777 | The same type filtering of %who can be applied here. |
|
777 | The same type filtering of %who can be applied here. | |
778 |
|
778 | |||
779 | For all variables, the type is printed. Additionally it prints: |
|
779 | For all variables, the type is printed. Additionally it prints: | |
780 |
|
780 | |||
781 | - For {},[],(): their length. |
|
781 | - For {},[],(): their length. | |
782 |
|
782 | |||
783 | - For numpy and Numeric arrays, a summary with shape, number of |
|
783 | - For numpy and Numeric arrays, a summary with shape, number of | |
784 | elements, typecode and size in memory. |
|
784 | elements, typecode and size in memory. | |
785 |
|
785 | |||
786 | - Everything else: a string representation, snipping their middle if |
|
786 | - Everything else: a string representation, snipping their middle if | |
787 | too long.""" |
|
787 | too long.""" | |
788 |
|
788 | |||
789 | varnames = self.magic_who_ls(parameter_s) |
|
789 | varnames = self.magic_who_ls(parameter_s) | |
790 | if not varnames: |
|
790 | if not varnames: | |
791 | if parameter_s: |
|
791 | if parameter_s: | |
792 | print 'No variables match your requested type.' |
|
792 | print 'No variables match your requested type.' | |
793 | else: |
|
793 | else: | |
794 | print 'Interactive namespace is empty.' |
|
794 | print 'Interactive namespace is empty.' | |
795 | return |
|
795 | return | |
796 |
|
796 | |||
797 | # if we have variables, move on... |
|
797 | # if we have variables, move on... | |
798 |
|
798 | |||
799 | # for these types, show len() instead of data: |
|
799 | # for these types, show len() instead of data: | |
800 | seq_types = [types.DictType,types.ListType,types.TupleType] |
|
800 | seq_types = [types.DictType,types.ListType,types.TupleType] | |
801 |
|
801 | |||
802 | # for numpy/Numeric arrays, display summary info |
|
802 | # for numpy/Numeric arrays, display summary info | |
803 | try: |
|
803 | try: | |
804 | import numpy |
|
804 | import numpy | |
805 | except ImportError: |
|
805 | except ImportError: | |
806 | ndarray_type = None |
|
806 | ndarray_type = None | |
807 | else: |
|
807 | else: | |
808 | ndarray_type = numpy.ndarray.__name__ |
|
808 | ndarray_type = numpy.ndarray.__name__ | |
809 | try: |
|
809 | try: | |
810 | import Numeric |
|
810 | import Numeric | |
811 | except ImportError: |
|
811 | except ImportError: | |
812 | array_type = None |
|
812 | array_type = None | |
813 | else: |
|
813 | else: | |
814 | array_type = Numeric.ArrayType.__name__ |
|
814 | array_type = Numeric.ArrayType.__name__ | |
815 |
|
815 | |||
816 | # Find all variable names and types so we can figure out column sizes |
|
816 | # Find all variable names and types so we can figure out column sizes | |
817 | def get_vars(i): |
|
817 | def get_vars(i): | |
818 | return self.shell.user_ns[i] |
|
818 | return self.shell.user_ns[i] | |
819 |
|
819 | |||
820 | # some types are well known and can be shorter |
|
820 | # some types are well known and can be shorter | |
821 | abbrevs = {'IPython.macro.Macro' : 'Macro'} |
|
821 | abbrevs = {'IPython.macro.Macro' : 'Macro'} | |
822 | def type_name(v): |
|
822 | def type_name(v): | |
823 | tn = type(v).__name__ |
|
823 | tn = type(v).__name__ | |
824 | return abbrevs.get(tn,tn) |
|
824 | return abbrevs.get(tn,tn) | |
825 |
|
825 | |||
826 | varlist = map(get_vars,varnames) |
|
826 | varlist = map(get_vars,varnames) | |
827 |
|
827 | |||
828 | typelist = [] |
|
828 | typelist = [] | |
829 | for vv in varlist: |
|
829 | for vv in varlist: | |
830 | tt = type_name(vv) |
|
830 | tt = type_name(vv) | |
831 |
|
831 | |||
832 | if tt=='instance': |
|
832 | if tt=='instance': | |
833 | typelist.append( abbrevs.get(str(vv.__class__), |
|
833 | typelist.append( abbrevs.get(str(vv.__class__), | |
834 | str(vv.__class__))) |
|
834 | str(vv.__class__))) | |
835 | else: |
|
835 | else: | |
836 | typelist.append(tt) |
|
836 | typelist.append(tt) | |
837 |
|
837 | |||
838 | # column labels and # of spaces as separator |
|
838 | # column labels and # of spaces as separator | |
839 | varlabel = 'Variable' |
|
839 | varlabel = 'Variable' | |
840 | typelabel = 'Type' |
|
840 | typelabel = 'Type' | |
841 | datalabel = 'Data/Info' |
|
841 | datalabel = 'Data/Info' | |
842 | colsep = 3 |
|
842 | colsep = 3 | |
843 | # variable format strings |
|
843 | # variable format strings | |
844 | vformat = "$vname.ljust(varwidth)$vtype.ljust(typewidth)" |
|
844 | vformat = "$vname.ljust(varwidth)$vtype.ljust(typewidth)" | |
845 | vfmt_short = '$vstr[:25]<...>$vstr[-25:]' |
|
845 | vfmt_short = '$vstr[:25]<...>$vstr[-25:]' | |
846 | aformat = "%s: %s elems, type `%s`, %s bytes" |
|
846 | aformat = "%s: %s elems, type `%s`, %s bytes" | |
847 | # find the size of the columns to format the output nicely |
|
847 | # find the size of the columns to format the output nicely | |
848 | varwidth = max(max(map(len,varnames)), len(varlabel)) + colsep |
|
848 | varwidth = max(max(map(len,varnames)), len(varlabel)) + colsep | |
849 | typewidth = max(max(map(len,typelist)), len(typelabel)) + colsep |
|
849 | typewidth = max(max(map(len,typelist)), len(typelabel)) + colsep | |
850 | # table header |
|
850 | # table header | |
851 | print varlabel.ljust(varwidth) + typelabel.ljust(typewidth) + \ |
|
851 | print varlabel.ljust(varwidth) + typelabel.ljust(typewidth) + \ | |
852 | ' '+datalabel+'\n' + '-'*(varwidth+typewidth+len(datalabel)+1) |
|
852 | ' '+datalabel+'\n' + '-'*(varwidth+typewidth+len(datalabel)+1) | |
853 | # and the table itself |
|
853 | # and the table itself | |
854 | kb = 1024 |
|
854 | kb = 1024 | |
855 | Mb = 1048576 # kb**2 |
|
855 | Mb = 1048576 # kb**2 | |
856 | for vname,var,vtype in zip(varnames,varlist,typelist): |
|
856 | for vname,var,vtype in zip(varnames,varlist,typelist): | |
857 | print itpl(vformat), |
|
857 | print itpl(vformat), | |
858 | if vtype in seq_types: |
|
858 | if vtype in seq_types: | |
859 | print len(var) |
|
859 | print len(var) | |
860 | elif vtype in [array_type,ndarray_type]: |
|
860 | elif vtype in [array_type,ndarray_type]: | |
861 | vshape = str(var.shape).replace(',','').replace(' ','x')[1:-1] |
|
861 | vshape = str(var.shape).replace(',','').replace(' ','x')[1:-1] | |
862 | if vtype==ndarray_type: |
|
862 | if vtype==ndarray_type: | |
863 | # numpy |
|
863 | # numpy | |
864 | vsize = var.size |
|
864 | vsize = var.size | |
865 | vbytes = vsize*var.itemsize |
|
865 | vbytes = vsize*var.itemsize | |
866 | vdtype = var.dtype |
|
866 | vdtype = var.dtype | |
867 | else: |
|
867 | else: | |
868 | # Numeric |
|
868 | # Numeric | |
869 | vsize = Numeric.size(var) |
|
869 | vsize = Numeric.size(var) | |
870 | vbytes = vsize*var.itemsize() |
|
870 | vbytes = vsize*var.itemsize() | |
871 | vdtype = var.typecode() |
|
871 | vdtype = var.typecode() | |
872 |
|
872 | |||
873 | if vbytes < 100000: |
|
873 | if vbytes < 100000: | |
874 | print aformat % (vshape,vsize,vdtype,vbytes) |
|
874 | print aformat % (vshape,vsize,vdtype,vbytes) | |
875 | else: |
|
875 | else: | |
876 | print aformat % (vshape,vsize,vdtype,vbytes), |
|
876 | print aformat % (vshape,vsize,vdtype,vbytes), | |
877 | if vbytes < Mb: |
|
877 | if vbytes < Mb: | |
878 | print '(%s kb)' % (vbytes/kb,) |
|
878 | print '(%s kb)' % (vbytes/kb,) | |
879 | else: |
|
879 | else: | |
880 | print '(%s Mb)' % (vbytes/Mb,) |
|
880 | print '(%s Mb)' % (vbytes/Mb,) | |
881 | else: |
|
881 | else: | |
882 | try: |
|
882 | try: | |
883 | vstr = str(var) |
|
883 | vstr = str(var) | |
884 | except UnicodeEncodeError: |
|
884 | except UnicodeEncodeError: | |
885 | vstr = unicode(var).encode(sys.getdefaultencoding(), |
|
885 | vstr = unicode(var).encode(sys.getdefaultencoding(), | |
886 | 'backslashreplace') |
|
886 | 'backslashreplace') | |
887 | vstr = vstr.replace('\n','\\n') |
|
887 | vstr = vstr.replace('\n','\\n') | |
888 | if len(vstr) < 50: |
|
888 | if len(vstr) < 50: | |
889 | print vstr |
|
889 | print vstr | |
890 | else: |
|
890 | else: | |
891 | printpl(vfmt_short) |
|
891 | printpl(vfmt_short) | |
892 |
|
892 | |||
893 | def magic_reset(self, parameter_s=''): |
|
893 | def magic_reset(self, parameter_s=''): | |
894 | """Resets the namespace by removing all names defined by the user. |
|
894 | """Resets the namespace by removing all names defined by the user. | |
895 |
|
895 | |||
896 | Input/Output history are left around in case you need them.""" |
|
896 | Input/Output history are left around in case you need them.""" | |
897 |
|
897 | |||
898 | ans = self.shell.ask_yes_no( |
|
898 | ans = self.shell.ask_yes_no( | |
899 | "Once deleted, variables cannot be recovered. Proceed (y/[n])? ") |
|
899 | "Once deleted, variables cannot be recovered. Proceed (y/[n])? ") | |
900 | if not ans: |
|
900 | if not ans: | |
901 | print 'Nothing done.' |
|
901 | print 'Nothing done.' | |
902 | return |
|
902 | return | |
903 | user_ns = self.shell.user_ns |
|
903 | user_ns = self.shell.user_ns | |
904 | for i in self.magic_who_ls(): |
|
904 | for i in self.magic_who_ls(): | |
905 | del(user_ns[i]) |
|
905 | del(user_ns[i]) | |
906 |
|
906 | |||
907 | def magic_logstart(self,parameter_s=''): |
|
907 | def magic_logstart(self,parameter_s=''): | |
908 | """Start logging anywhere in a session. |
|
908 | """Start logging anywhere in a session. | |
909 |
|
909 | |||
910 | %logstart [-o|-r|-t] [log_name [log_mode]] |
|
910 | %logstart [-o|-r|-t] [log_name [log_mode]] | |
911 |
|
911 | |||
912 | If no name is given, it defaults to a file named 'ipython_log.py' in your |
|
912 | If no name is given, it defaults to a file named 'ipython_log.py' in your | |
913 | current directory, in 'rotate' mode (see below). |
|
913 | current directory, in 'rotate' mode (see below). | |
914 |
|
914 | |||
915 | '%logstart name' saves to file 'name' in 'backup' mode. It saves your |
|
915 | '%logstart name' saves to file 'name' in 'backup' mode. It saves your | |
916 | history up to that point and then continues logging. |
|
916 | history up to that point and then continues logging. | |
917 |
|
917 | |||
918 | %logstart takes a second optional parameter: logging mode. This can be one |
|
918 | %logstart takes a second optional parameter: logging mode. This can be one | |
919 | of (note that the modes are given unquoted):\\ |
|
919 | of (note that the modes are given unquoted):\\ | |
920 | append: well, that says it.\\ |
|
920 | append: well, that says it.\\ | |
921 | backup: rename (if exists) to name~ and start name.\\ |
|
921 | backup: rename (if exists) to name~ and start name.\\ | |
922 | global: single logfile in your home dir, appended to.\\ |
|
922 | global: single logfile in your home dir, appended to.\\ | |
923 | over : overwrite existing log.\\ |
|
923 | over : overwrite existing log.\\ | |
924 | rotate: create rotating logs name.1~, name.2~, etc. |
|
924 | rotate: create rotating logs name.1~, name.2~, etc. | |
925 |
|
925 | |||
926 | Options: |
|
926 | Options: | |
927 |
|
927 | |||
928 | -o: log also IPython's output. In this mode, all commands which |
|
928 | -o: log also IPython's output. In this mode, all commands which | |
929 | generate an Out[NN] prompt are recorded to the logfile, right after |
|
929 | generate an Out[NN] prompt are recorded to the logfile, right after | |
930 | their corresponding input line. The output lines are always |
|
930 | their corresponding input line. The output lines are always | |
931 | prepended with a '#[Out]# ' marker, so that the log remains valid |
|
931 | prepended with a '#[Out]# ' marker, so that the log remains valid | |
932 | Python code. |
|
932 | Python code. | |
933 |
|
933 | |||
934 | Since this marker is always the same, filtering only the output from |
|
934 | Since this marker is always the same, filtering only the output from | |
935 | a log is very easy, using for example a simple awk call: |
|
935 | a log is very easy, using for example a simple awk call: | |
936 |
|
936 | |||
937 | awk -F'#\\[Out\\]# ' '{if($2) {print $2}}' ipython_log.py |
|
937 | awk -F'#\\[Out\\]# ' '{if($2) {print $2}}' ipython_log.py | |
938 |
|
938 | |||
939 | -r: log 'raw' input. Normally, IPython's logs contain the processed |
|
939 | -r: log 'raw' input. Normally, IPython's logs contain the processed | |
940 | input, so that user lines are logged in their final form, converted |
|
940 | input, so that user lines are logged in their final form, converted | |
941 | into valid Python. For example, %Exit is logged as |
|
941 | into valid Python. For example, %Exit is logged as | |
942 | '_ip.magic("Exit"). If the -r flag is given, all input is logged |
|
942 | '_ip.magic("Exit"). If the -r flag is given, all input is logged | |
943 | exactly as typed, with no transformations applied. |
|
943 | exactly as typed, with no transformations applied. | |
944 |
|
944 | |||
945 | -t: put timestamps before each input line logged (these are put in |
|
945 | -t: put timestamps before each input line logged (these are put in | |
946 | comments).""" |
|
946 | comments).""" | |
947 |
|
947 | |||
948 | opts,par = self.parse_options(parameter_s,'ort') |
|
948 | opts,par = self.parse_options(parameter_s,'ort') | |
949 | log_output = 'o' in opts |
|
949 | log_output = 'o' in opts | |
950 | log_raw_input = 'r' in opts |
|
950 | log_raw_input = 'r' in opts | |
951 | timestamp = 't' in opts |
|
951 | timestamp = 't' in opts | |
952 |
|
952 | |||
953 | rc = self.shell.rc |
|
953 | rc = self.shell.rc | |
954 | logger = self.shell.logger |
|
954 | logger = self.shell.logger | |
955 |
|
955 | |||
956 | # if no args are given, the defaults set in the logger constructor by |
|
956 | # if no args are given, the defaults set in the logger constructor by | |
957 | # ipytohn remain valid |
|
957 | # ipytohn remain valid | |
958 | if par: |
|
958 | if par: | |
959 | try: |
|
959 | try: | |
960 | logfname,logmode = par.split() |
|
960 | logfname,logmode = par.split() | |
961 | except: |
|
961 | except: | |
962 | logfname = par |
|
962 | logfname = par | |
963 | logmode = 'backup' |
|
963 | logmode = 'backup' | |
964 | else: |
|
964 | else: | |
965 | logfname = logger.logfname |
|
965 | logfname = logger.logfname | |
966 | logmode = logger.logmode |
|
966 | logmode = logger.logmode | |
967 | # put logfname into rc struct as if it had been called on the command |
|
967 | # put logfname into rc struct as if it had been called on the command | |
968 | # line, so it ends up saved in the log header Save it in case we need |
|
968 | # line, so it ends up saved in the log header Save it in case we need | |
969 | # to restore it... |
|
969 | # to restore it... | |
970 | old_logfile = rc.opts.get('logfile','') |
|
970 | old_logfile = rc.opts.get('logfile','') | |
971 | if logfname: |
|
971 | if logfname: | |
972 | logfname = os.path.expanduser(logfname) |
|
972 | logfname = os.path.expanduser(logfname) | |
973 | rc.opts.logfile = logfname |
|
973 | rc.opts.logfile = logfname | |
974 | loghead = self.shell.loghead_tpl % (rc.opts,rc.args) |
|
974 | loghead = self.shell.loghead_tpl % (rc.opts,rc.args) | |
975 | try: |
|
975 | try: | |
976 | started = logger.logstart(logfname,loghead,logmode, |
|
976 | started = logger.logstart(logfname,loghead,logmode, | |
977 | log_output,timestamp,log_raw_input) |
|
977 | log_output,timestamp,log_raw_input) | |
978 | except: |
|
978 | except: | |
979 | rc.opts.logfile = old_logfile |
|
979 | rc.opts.logfile = old_logfile | |
980 | warn("Couldn't start log: %s" % sys.exc_info()[1]) |
|
980 | warn("Couldn't start log: %s" % sys.exc_info()[1]) | |
981 | else: |
|
981 | else: | |
982 | # log input history up to this point, optionally interleaving |
|
982 | # log input history up to this point, optionally interleaving | |
983 | # output if requested |
|
983 | # output if requested | |
984 |
|
984 | |||
985 | if timestamp: |
|
985 | if timestamp: | |
986 | # disable timestamping for the previous history, since we've |
|
986 | # disable timestamping for the previous history, since we've | |
987 | # lost those already (no time machine here). |
|
987 | # lost those already (no time machine here). | |
988 | logger.timestamp = False |
|
988 | logger.timestamp = False | |
989 |
|
989 | |||
990 | if log_raw_input: |
|
990 | if log_raw_input: | |
991 | input_hist = self.shell.input_hist_raw |
|
991 | input_hist = self.shell.input_hist_raw | |
992 | else: |
|
992 | else: | |
993 | input_hist = self.shell.input_hist |
|
993 | input_hist = self.shell.input_hist | |
994 |
|
994 | |||
995 | if log_output: |
|
995 | if log_output: | |
996 | log_write = logger.log_write |
|
996 | log_write = logger.log_write | |
997 | output_hist = self.shell.output_hist |
|
997 | output_hist = self.shell.output_hist | |
998 | for n in range(1,len(input_hist)-1): |
|
998 | for n in range(1,len(input_hist)-1): | |
999 | log_write(input_hist[n].rstrip()) |
|
999 | log_write(input_hist[n].rstrip()) | |
1000 | if n in output_hist: |
|
1000 | if n in output_hist: | |
1001 | log_write(repr(output_hist[n]),'output') |
|
1001 | log_write(repr(output_hist[n]),'output') | |
1002 | else: |
|
1002 | else: | |
1003 | logger.log_write(input_hist[1:]) |
|
1003 | logger.log_write(input_hist[1:]) | |
1004 | if timestamp: |
|
1004 | if timestamp: | |
1005 | # re-enable timestamping |
|
1005 | # re-enable timestamping | |
1006 | logger.timestamp = True |
|
1006 | logger.timestamp = True | |
1007 |
|
1007 | |||
1008 | print ('Activating auto-logging. ' |
|
1008 | print ('Activating auto-logging. ' | |
1009 | 'Current session state plus future input saved.') |
|
1009 | 'Current session state plus future input saved.') | |
1010 | logger.logstate() |
|
1010 | logger.logstate() | |
1011 |
|
1011 | |||
1012 | def magic_logoff(self,parameter_s=''): |
|
1012 | def magic_logoff(self,parameter_s=''): | |
1013 | """Temporarily stop logging. |
|
1013 | """Temporarily stop logging. | |
1014 |
|
1014 | |||
1015 | You must have previously started logging.""" |
|
1015 | You must have previously started logging.""" | |
1016 | self.shell.logger.switch_log(0) |
|
1016 | self.shell.logger.switch_log(0) | |
1017 |
|
1017 | |||
1018 | def magic_logon(self,parameter_s=''): |
|
1018 | def magic_logon(self,parameter_s=''): | |
1019 | """Restart logging. |
|
1019 | """Restart logging. | |
1020 |
|
1020 | |||
1021 | This function is for restarting logging which you've temporarily |
|
1021 | This function is for restarting logging which you've temporarily | |
1022 | stopped with %logoff. For starting logging for the first time, you |
|
1022 | stopped with %logoff. For starting logging for the first time, you | |
1023 | must use the %logstart function, which allows you to specify an |
|
1023 | must use the %logstart function, which allows you to specify an | |
1024 | optional log filename.""" |
|
1024 | optional log filename.""" | |
1025 |
|
1025 | |||
1026 | self.shell.logger.switch_log(1) |
|
1026 | self.shell.logger.switch_log(1) | |
1027 |
|
1027 | |||
1028 | def magic_logstate(self,parameter_s=''): |
|
1028 | def magic_logstate(self,parameter_s=''): | |
1029 | """Print the status of the logging system.""" |
|
1029 | """Print the status of the logging system.""" | |
1030 |
|
1030 | |||
1031 | self.shell.logger.logstate() |
|
1031 | self.shell.logger.logstate() | |
1032 |
|
1032 | |||
1033 | def magic_pdb(self, parameter_s=''): |
|
1033 | def magic_pdb(self, parameter_s=''): | |
1034 | """Control the automatic calling of the pdb interactive debugger. |
|
1034 | """Control the automatic calling of the pdb interactive debugger. | |
1035 |
|
1035 | |||
1036 | Call as '%pdb on', '%pdb 1', '%pdb off' or '%pdb 0'. If called without |
|
1036 | Call as '%pdb on', '%pdb 1', '%pdb off' or '%pdb 0'. If called without | |
1037 | argument it works as a toggle. |
|
1037 | argument it works as a toggle. | |
1038 |
|
1038 | |||
1039 | When an exception is triggered, IPython can optionally call the |
|
1039 | When an exception is triggered, IPython can optionally call the | |
1040 | interactive pdb debugger after the traceback printout. %pdb toggles |
|
1040 | interactive pdb debugger after the traceback printout. %pdb toggles | |
1041 | this feature on and off. |
|
1041 | this feature on and off. | |
1042 |
|
1042 | |||
1043 | The initial state of this feature is set in your ipythonrc |
|
1043 | The initial state of this feature is set in your ipythonrc | |
1044 | configuration file (the variable is called 'pdb'). |
|
1044 | configuration file (the variable is called 'pdb'). | |
1045 |
|
1045 | |||
1046 | If you want to just activate the debugger AFTER an exception has fired, |
|
1046 | If you want to just activate the debugger AFTER an exception has fired, | |
1047 | without having to type '%pdb on' and rerunning your code, you can use |
|
1047 | without having to type '%pdb on' and rerunning your code, you can use | |
1048 | the %debug magic.""" |
|
1048 | the %debug magic.""" | |
1049 |
|
1049 | |||
1050 | par = parameter_s.strip().lower() |
|
1050 | par = parameter_s.strip().lower() | |
1051 |
|
1051 | |||
1052 | if par: |
|
1052 | if par: | |
1053 | try: |
|
1053 | try: | |
1054 | new_pdb = {'off':0,'0':0,'on':1,'1':1}[par] |
|
1054 | new_pdb = {'off':0,'0':0,'on':1,'1':1}[par] | |
1055 | except KeyError: |
|
1055 | except KeyError: | |
1056 | print ('Incorrect argument. Use on/1, off/0, ' |
|
1056 | print ('Incorrect argument. Use on/1, off/0, ' | |
1057 | 'or nothing for a toggle.') |
|
1057 | 'or nothing for a toggle.') | |
1058 | return |
|
1058 | return | |
1059 | else: |
|
1059 | else: | |
1060 | # toggle |
|
1060 | # toggle | |
1061 | new_pdb = not self.shell.call_pdb |
|
1061 | new_pdb = not self.shell.call_pdb | |
1062 |
|
1062 | |||
1063 | # set on the shell |
|
1063 | # set on the shell | |
1064 | self.shell.call_pdb = new_pdb |
|
1064 | self.shell.call_pdb = new_pdb | |
1065 | print 'Automatic pdb calling has been turned',on_off(new_pdb) |
|
1065 | print 'Automatic pdb calling has been turned',on_off(new_pdb) | |
1066 |
|
1066 | |||
1067 | def magic_debug(self, parameter_s=''): |
|
1067 | def magic_debug(self, parameter_s=''): | |
1068 | """Activate the interactive debugger in post-mortem mode. |
|
1068 | """Activate the interactive debugger in post-mortem mode. | |
1069 |
|
1069 | |||
1070 | If an exception has just occurred, this lets you inspect its stack |
|
1070 | If an exception has just occurred, this lets you inspect its stack | |
1071 | frames interactively. Note that this will always work only on the last |
|
1071 | frames interactively. Note that this will always work only on the last | |
1072 | traceback that occurred, so you must call this quickly after an |
|
1072 | traceback that occurred, so you must call this quickly after an | |
1073 | exception that you wish to inspect has fired, because if another one |
|
1073 | exception that you wish to inspect has fired, because if another one | |
1074 | occurs, it clobbers the previous one. |
|
1074 | occurs, it clobbers the previous one. | |
1075 |
|
1075 | |||
1076 | If you want IPython to automatically do this on every exception, see |
|
1076 | If you want IPython to automatically do this on every exception, see | |
1077 | the %pdb magic for more details. |
|
1077 | the %pdb magic for more details. | |
1078 | """ |
|
1078 | """ | |
1079 |
|
1079 | |||
1080 | self.shell.debugger(force=True) |
|
1080 | self.shell.debugger(force=True) | |
1081 |
|
1081 | |||
1082 | def magic_prun(self, parameter_s ='',user_mode=1, |
|
1082 | def magic_prun(self, parameter_s ='',user_mode=1, | |
1083 | opts=None,arg_lst=None,prog_ns=None): |
|
1083 | opts=None,arg_lst=None,prog_ns=None): | |
1084 |
|
1084 | |||
1085 | """Run a statement through the python code profiler. |
|
1085 | """Run a statement through the python code profiler. | |
1086 |
|
1086 | |||
1087 | Usage:\\ |
|
1087 | Usage:\\ | |
1088 | %prun [options] statement |
|
1088 | %prun [options] statement | |
1089 |
|
1089 | |||
1090 | The given statement (which doesn't require quote marks) is run via the |
|
1090 | The given statement (which doesn't require quote marks) is run via the | |
1091 | python profiler in a manner similar to the profile.run() function. |
|
1091 | python profiler in a manner similar to the profile.run() function. | |
1092 | Namespaces are internally managed to work correctly; profile.run |
|
1092 | Namespaces are internally managed to work correctly; profile.run | |
1093 | cannot be used in IPython because it makes certain assumptions about |
|
1093 | cannot be used in IPython because it makes certain assumptions about | |
1094 | namespaces which do not hold under IPython. |
|
1094 | namespaces which do not hold under IPython. | |
1095 |
|
1095 | |||
1096 | Options: |
|
1096 | Options: | |
1097 |
|
1097 | |||
1098 | -l <limit>: you can place restrictions on what or how much of the |
|
1098 | -l <limit>: you can place restrictions on what or how much of the | |
1099 | profile gets printed. The limit value can be: |
|
1099 | profile gets printed. The limit value can be: | |
1100 |
|
1100 | |||
1101 | * A string: only information for function names containing this string |
|
1101 | * A string: only information for function names containing this string | |
1102 | is printed. |
|
1102 | is printed. | |
1103 |
|
1103 | |||
1104 | * An integer: only these many lines are printed. |
|
1104 | * An integer: only these many lines are printed. | |
1105 |
|
1105 | |||
1106 | * A float (between 0 and 1): this fraction of the report is printed |
|
1106 | * A float (between 0 and 1): this fraction of the report is printed | |
1107 | (for example, use a limit of 0.4 to see the topmost 40% only). |
|
1107 | (for example, use a limit of 0.4 to see the topmost 40% only). | |
1108 |
|
1108 | |||
1109 | You can combine several limits with repeated use of the option. For |
|
1109 | You can combine several limits with repeated use of the option. For | |
1110 | example, '-l __init__ -l 5' will print only the topmost 5 lines of |
|
1110 | example, '-l __init__ -l 5' will print only the topmost 5 lines of | |
1111 | information about class constructors. |
|
1111 | information about class constructors. | |
1112 |
|
1112 | |||
1113 | -r: return the pstats.Stats object generated by the profiling. This |
|
1113 | -r: return the pstats.Stats object generated by the profiling. This | |
1114 | object has all the information about the profile in it, and you can |
|
1114 | object has all the information about the profile in it, and you can | |
1115 | later use it for further analysis or in other functions. |
|
1115 | later use it for further analysis or in other functions. | |
1116 |
|
1116 | |||
1117 | -s <key>: sort profile by given key. You can provide more than one key |
|
1117 | -s <key>: sort profile by given key. You can provide more than one key | |
1118 | by using the option several times: '-s key1 -s key2 -s key3...'. The |
|
1118 | by using the option several times: '-s key1 -s key2 -s key3...'. The | |
1119 | default sorting key is 'time'. |
|
1119 | default sorting key is 'time'. | |
1120 |
|
1120 | |||
1121 | The following is copied verbatim from the profile documentation |
|
1121 | The following is copied verbatim from the profile documentation | |
1122 | referenced below: |
|
1122 | referenced below: | |
1123 |
|
1123 | |||
1124 | When more than one key is provided, additional keys are used as |
|
1124 | When more than one key is provided, additional keys are used as | |
1125 | secondary criteria when the there is equality in all keys selected |
|
1125 | secondary criteria when the there is equality in all keys selected | |
1126 | before them. |
|
1126 | before them. | |
1127 |
|
1127 | |||
1128 | Abbreviations can be used for any key names, as long as the |
|
1128 | Abbreviations can be used for any key names, as long as the | |
1129 | abbreviation is unambiguous. The following are the keys currently |
|
1129 | abbreviation is unambiguous. The following are the keys currently | |
1130 | defined: |
|
1130 | defined: | |
1131 |
|
1131 | |||
1132 | Valid Arg Meaning\\ |
|
1132 | Valid Arg Meaning\\ | |
1133 | "calls" call count\\ |
|
1133 | "calls" call count\\ | |
1134 | "cumulative" cumulative time\\ |
|
1134 | "cumulative" cumulative time\\ | |
1135 | "file" file name\\ |
|
1135 | "file" file name\\ | |
1136 | "module" file name\\ |
|
1136 | "module" file name\\ | |
1137 | "pcalls" primitive call count\\ |
|
1137 | "pcalls" primitive call count\\ | |
1138 | "line" line number\\ |
|
1138 | "line" line number\\ | |
1139 | "name" function name\\ |
|
1139 | "name" function name\\ | |
1140 | "nfl" name/file/line\\ |
|
1140 | "nfl" name/file/line\\ | |
1141 | "stdname" standard name\\ |
|
1141 | "stdname" standard name\\ | |
1142 | "time" internal time |
|
1142 | "time" internal time | |
1143 |
|
1143 | |||
1144 | Note that all sorts on statistics are in descending order (placing |
|
1144 | Note that all sorts on statistics are in descending order (placing | |
1145 | most time consuming items first), where as name, file, and line number |
|
1145 | most time consuming items first), where as name, file, and line number | |
1146 | searches are in ascending order (i.e., alphabetical). The subtle |
|
1146 | searches are in ascending order (i.e., alphabetical). The subtle | |
1147 | distinction between "nfl" and "stdname" is that the standard name is a |
|
1147 | distinction between "nfl" and "stdname" is that the standard name is a | |
1148 | sort of the name as printed, which means that the embedded line |
|
1148 | sort of the name as printed, which means that the embedded line | |
1149 | numbers get compared in an odd way. For example, lines 3, 20, and 40 |
|
1149 | numbers get compared in an odd way. For example, lines 3, 20, and 40 | |
1150 | would (if the file names were the same) appear in the string order |
|
1150 | would (if the file names were the same) appear in the string order | |
1151 | "20" "3" and "40". In contrast, "nfl" does a numeric compare of the |
|
1151 | "20" "3" and "40". In contrast, "nfl" does a numeric compare of the | |
1152 | line numbers. In fact, sort_stats("nfl") is the same as |
|
1152 | line numbers. In fact, sort_stats("nfl") is the same as | |
1153 | sort_stats("name", "file", "line"). |
|
1153 | sort_stats("name", "file", "line"). | |
1154 |
|
1154 | |||
1155 | -T <filename>: save profile results as shown on screen to a text |
|
1155 | -T <filename>: save profile results as shown on screen to a text | |
1156 | file. The profile is still shown on screen. |
|
1156 | file. The profile is still shown on screen. | |
1157 |
|
1157 | |||
1158 | -D <filename>: save (via dump_stats) profile statistics to given |
|
1158 | -D <filename>: save (via dump_stats) profile statistics to given | |
1159 | filename. This data is in a format understod by the pstats module, and |
|
1159 | filename. This data is in a format understod by the pstats module, and | |
1160 | is generated by a call to the dump_stats() method of profile |
|
1160 | is generated by a call to the dump_stats() method of profile | |
1161 | objects. The profile is still shown on screen. |
|
1161 | objects. The profile is still shown on screen. | |
1162 |
|
1162 | |||
1163 | If you want to run complete programs under the profiler's control, use |
|
1163 | If you want to run complete programs under the profiler's control, use | |
1164 | '%run -p [prof_opts] filename.py [args to program]' where prof_opts |
|
1164 | '%run -p [prof_opts] filename.py [args to program]' where prof_opts | |
1165 | contains profiler specific options as described here. |
|
1165 | contains profiler specific options as described here. | |
1166 |
|
1166 | |||
1167 | You can read the complete documentation for the profile module with:\\ |
|
1167 | You can read the complete documentation for the profile module with:\\ | |
1168 | In [1]: import profile; profile.help() """ |
|
1168 | In [1]: import profile; profile.help() """ | |
1169 |
|
1169 | |||
1170 | opts_def = Struct(D=[''],l=[],s=['time'],T=['']) |
|
1170 | opts_def = Struct(D=[''],l=[],s=['time'],T=['']) | |
1171 | # protect user quote marks |
|
1171 | # protect user quote marks | |
1172 | parameter_s = parameter_s.replace('"',r'\"').replace("'",r"\'") |
|
1172 | parameter_s = parameter_s.replace('"',r'\"').replace("'",r"\'") | |
1173 |
|
1173 | |||
1174 | if user_mode: # regular user call |
|
1174 | if user_mode: # regular user call | |
1175 | opts,arg_str = self.parse_options(parameter_s,'D:l:rs:T:', |
|
1175 | opts,arg_str = self.parse_options(parameter_s,'D:l:rs:T:', | |
1176 | list_all=1) |
|
1176 | list_all=1) | |
1177 | namespace = self.shell.user_ns |
|
1177 | namespace = self.shell.user_ns | |
1178 | else: # called to run a program by %run -p |
|
1178 | else: # called to run a program by %run -p | |
1179 | try: |
|
1179 | try: | |
1180 | filename = get_py_filename(arg_lst[0]) |
|
1180 | filename = get_py_filename(arg_lst[0]) | |
1181 | except IOError,msg: |
|
1181 | except IOError,msg: | |
1182 | error(msg) |
|
1182 | error(msg) | |
1183 | return |
|
1183 | return | |
1184 |
|
1184 | |||
1185 | arg_str = 'execfile(filename,prog_ns)' |
|
1185 | arg_str = 'execfile(filename,prog_ns)' | |
1186 | namespace = locals() |
|
1186 | namespace = locals() | |
1187 |
|
1187 | |||
1188 | opts.merge(opts_def) |
|
1188 | opts.merge(opts_def) | |
1189 |
|
1189 | |||
1190 | prof = profile.Profile() |
|
1190 | prof = profile.Profile() | |
1191 | try: |
|
1191 | try: | |
1192 | prof = prof.runctx(arg_str,namespace,namespace) |
|
1192 | prof = prof.runctx(arg_str,namespace,namespace) | |
1193 | sys_exit = '' |
|
1193 | sys_exit = '' | |
1194 | except SystemExit: |
|
1194 | except SystemExit: | |
1195 | sys_exit = """*** SystemExit exception caught in code being profiled.""" |
|
1195 | sys_exit = """*** SystemExit exception caught in code being profiled.""" | |
1196 |
|
1196 | |||
1197 | stats = pstats.Stats(prof).strip_dirs().sort_stats(*opts.s) |
|
1197 | stats = pstats.Stats(prof).strip_dirs().sort_stats(*opts.s) | |
1198 |
|
1198 | |||
1199 | lims = opts.l |
|
1199 | lims = opts.l | |
1200 | if lims: |
|
1200 | if lims: | |
1201 | lims = [] # rebuild lims with ints/floats/strings |
|
1201 | lims = [] # rebuild lims with ints/floats/strings | |
1202 | for lim in opts.l: |
|
1202 | for lim in opts.l: | |
1203 | try: |
|
1203 | try: | |
1204 | lims.append(int(lim)) |
|
1204 | lims.append(int(lim)) | |
1205 | except ValueError: |
|
1205 | except ValueError: | |
1206 | try: |
|
1206 | try: | |
1207 | lims.append(float(lim)) |
|
1207 | lims.append(float(lim)) | |
1208 | except ValueError: |
|
1208 | except ValueError: | |
1209 | lims.append(lim) |
|
1209 | lims.append(lim) | |
1210 |
|
1210 | |||
1211 | # Trap output. |
|
1211 | # Trap output. | |
1212 | stdout_trap = StringIO() |
|
1212 | stdout_trap = StringIO() | |
1213 |
|
1213 | |||
1214 | if hasattr(stats,'stream'): |
|
1214 | if hasattr(stats,'stream'): | |
1215 | # In newer versions of python, the stats object has a 'stream' |
|
1215 | # In newer versions of python, the stats object has a 'stream' | |
1216 | # attribute to write into. |
|
1216 | # attribute to write into. | |
1217 | stats.stream = stdout_trap |
|
1217 | stats.stream = stdout_trap | |
1218 | stats.print_stats(*lims) |
|
1218 | stats.print_stats(*lims) | |
1219 | else: |
|
1219 | else: | |
1220 | # For older versions, we manually redirect stdout during printing |
|
1220 | # For older versions, we manually redirect stdout during printing | |
1221 | sys_stdout = sys.stdout |
|
1221 | sys_stdout = sys.stdout | |
1222 | try: |
|
1222 | try: | |
1223 | sys.stdout = stdout_trap |
|
1223 | sys.stdout = stdout_trap | |
1224 | stats.print_stats(*lims) |
|
1224 | stats.print_stats(*lims) | |
1225 | finally: |
|
1225 | finally: | |
1226 | sys.stdout = sys_stdout |
|
1226 | sys.stdout = sys_stdout | |
1227 |
|
1227 | |||
1228 | output = stdout_trap.getvalue() |
|
1228 | output = stdout_trap.getvalue() | |
1229 | output = output.rstrip() |
|
1229 | output = output.rstrip() | |
1230 |
|
1230 | |||
1231 | page(output,screen_lines=self.shell.rc.screen_length) |
|
1231 | page(output,screen_lines=self.shell.rc.screen_length) | |
1232 | print sys_exit, |
|
1232 | print sys_exit, | |
1233 |
|
1233 | |||
1234 | dump_file = opts.D[0] |
|
1234 | dump_file = opts.D[0] | |
1235 | text_file = opts.T[0] |
|
1235 | text_file = opts.T[0] | |
1236 | if dump_file: |
|
1236 | if dump_file: | |
1237 | prof.dump_stats(dump_file) |
|
1237 | prof.dump_stats(dump_file) | |
1238 | print '\n*** Profile stats marshalled to file',\ |
|
1238 | print '\n*** Profile stats marshalled to file',\ | |
1239 | `dump_file`+'.',sys_exit |
|
1239 | `dump_file`+'.',sys_exit | |
1240 | if text_file: |
|
1240 | if text_file: | |
1241 | pfile = file(text_file,'w') |
|
1241 | pfile = file(text_file,'w') | |
1242 | pfile.write(output) |
|
1242 | pfile.write(output) | |
1243 | pfile.close() |
|
1243 | pfile.close() | |
1244 | print '\n*** Profile printout saved to text file',\ |
|
1244 | print '\n*** Profile printout saved to text file',\ | |
1245 | `text_file`+'.',sys_exit |
|
1245 | `text_file`+'.',sys_exit | |
1246 |
|
1246 | |||
1247 | if opts.has_key('r'): |
|
1247 | if opts.has_key('r'): | |
1248 | return stats |
|
1248 | return stats | |
1249 | else: |
|
1249 | else: | |
1250 | return None |
|
1250 | return None | |
1251 |
|
1251 | |||
1252 | def magic_run(self, parameter_s ='',runner=None): |
|
1252 | def magic_run(self, parameter_s ='',runner=None): | |
1253 | """Run the named file inside IPython as a program. |
|
1253 | """Run the named file inside IPython as a program. | |
1254 |
|
1254 | |||
1255 | Usage:\\ |
|
1255 | Usage:\\ | |
1256 | %run [-n -i -t [-N<N>] -d [-b<N>] -p [profile options]] file [args] |
|
1256 | %run [-n -i -t [-N<N>] -d [-b<N>] -p [profile options]] file [args] | |
1257 |
|
1257 | |||
1258 | Parameters after the filename are passed as command-line arguments to |
|
1258 | Parameters after the filename are passed as command-line arguments to | |
1259 | the program (put in sys.argv). Then, control returns to IPython's |
|
1259 | the program (put in sys.argv). Then, control returns to IPython's | |
1260 | prompt. |
|
1260 | prompt. | |
1261 |
|
1261 | |||
1262 | This is similar to running at a system prompt:\\ |
|
1262 | This is similar to running at a system prompt:\\ | |
1263 | $ python file args\\ |
|
1263 | $ python file args\\ | |
1264 | but with the advantage of giving you IPython's tracebacks, and of |
|
1264 | but with the advantage of giving you IPython's tracebacks, and of | |
1265 | loading all variables into your interactive namespace for further use |
|
1265 | loading all variables into your interactive namespace for further use | |
1266 | (unless -p is used, see below). |
|
1266 | (unless -p is used, see below). | |
1267 |
|
1267 | |||
1268 | The file is executed in a namespace initially consisting only of |
|
1268 | The file is executed in a namespace initially consisting only of | |
1269 | __name__=='__main__' and sys.argv constructed as indicated. It thus |
|
1269 | __name__=='__main__' and sys.argv constructed as indicated. It thus | |
1270 | sees its environment as if it were being run as a stand-alone |
|
1270 | sees its environment as if it were being run as a stand-alone | |
1271 | program. But after execution, the IPython interactive namespace gets |
|
1271 | program. But after execution, the IPython interactive namespace gets | |
1272 | updated with all variables defined in the program (except for __name__ |
|
1272 | updated with all variables defined in the program (except for __name__ | |
1273 | and sys.argv). This allows for very convenient loading of code for |
|
1273 | and sys.argv). This allows for very convenient loading of code for | |
1274 | interactive work, while giving each program a 'clean sheet' to run in. |
|
1274 | interactive work, while giving each program a 'clean sheet' to run in. | |
1275 |
|
1275 | |||
1276 | Options: |
|
1276 | Options: | |
1277 |
|
1277 | |||
1278 | -n: __name__ is NOT set to '__main__', but to the running file's name |
|
1278 | -n: __name__ is NOT set to '__main__', but to the running file's name | |
1279 | without extension (as python does under import). This allows running |
|
1279 | without extension (as python does under import). This allows running | |
1280 | scripts and reloading the definitions in them without calling code |
|
1280 | scripts and reloading the definitions in them without calling code | |
1281 | protected by an ' if __name__ == "__main__" ' clause. |
|
1281 | protected by an ' if __name__ == "__main__" ' clause. | |
1282 |
|
1282 | |||
1283 | -i: run the file in IPython's namespace instead of an empty one. This |
|
1283 | -i: run the file in IPython's namespace instead of an empty one. This | |
1284 | is useful if you are experimenting with code written in a text editor |
|
1284 | is useful if you are experimenting with code written in a text editor | |
1285 | which depends on variables defined interactively. |
|
1285 | which depends on variables defined interactively. | |
1286 |
|
1286 | |||
1287 | -e: ignore sys.exit() calls or SystemExit exceptions in the script |
|
1287 | -e: ignore sys.exit() calls or SystemExit exceptions in the script | |
1288 | being run. This is particularly useful if IPython is being used to |
|
1288 | being run. This is particularly useful if IPython is being used to | |
1289 | run unittests, which always exit with a sys.exit() call. In such |
|
1289 | run unittests, which always exit with a sys.exit() call. In such | |
1290 | cases you are interested in the output of the test results, not in |
|
1290 | cases you are interested in the output of the test results, not in | |
1291 | seeing a traceback of the unittest module. |
|
1291 | seeing a traceback of the unittest module. | |
1292 |
|
1292 | |||
1293 | -t: print timing information at the end of the run. IPython will give |
|
1293 | -t: print timing information at the end of the run. IPython will give | |
1294 | you an estimated CPU time consumption for your script, which under |
|
1294 | you an estimated CPU time consumption for your script, which under | |
1295 | Unix uses the resource module to avoid the wraparound problems of |
|
1295 | Unix uses the resource module to avoid the wraparound problems of | |
1296 | time.clock(). Under Unix, an estimate of time spent on system tasks |
|
1296 | time.clock(). Under Unix, an estimate of time spent on system tasks | |
1297 | is also given (for Windows platforms this is reported as 0.0). |
|
1297 | is also given (for Windows platforms this is reported as 0.0). | |
1298 |
|
1298 | |||
1299 | If -t is given, an additional -N<N> option can be given, where <N> |
|
1299 | If -t is given, an additional -N<N> option can be given, where <N> | |
1300 | must be an integer indicating how many times you want the script to |
|
1300 | must be an integer indicating how many times you want the script to | |
1301 | run. The final timing report will include total and per run results. |
|
1301 | run. The final timing report will include total and per run results. | |
1302 |
|
1302 | |||
1303 | For example (testing the script uniq_stable.py): |
|
1303 | For example (testing the script uniq_stable.py): | |
1304 |
|
1304 | |||
1305 | In [1]: run -t uniq_stable |
|
1305 | In [1]: run -t uniq_stable | |
1306 |
|
1306 | |||
1307 | IPython CPU timings (estimated):\\ |
|
1307 | IPython CPU timings (estimated):\\ | |
1308 | User : 0.19597 s.\\ |
|
1308 | User : 0.19597 s.\\ | |
1309 | System: 0.0 s.\\ |
|
1309 | System: 0.0 s.\\ | |
1310 |
|
1310 | |||
1311 | In [2]: run -t -N5 uniq_stable |
|
1311 | In [2]: run -t -N5 uniq_stable | |
1312 |
|
1312 | |||
1313 | IPython CPU timings (estimated):\\ |
|
1313 | IPython CPU timings (estimated):\\ | |
1314 | Total runs performed: 5\\ |
|
1314 | Total runs performed: 5\\ | |
1315 | Times : Total Per run\\ |
|
1315 | Times : Total Per run\\ | |
1316 | User : 0.910862 s, 0.1821724 s.\\ |
|
1316 | User : 0.910862 s, 0.1821724 s.\\ | |
1317 | System: 0.0 s, 0.0 s. |
|
1317 | System: 0.0 s, 0.0 s. | |
1318 |
|
1318 | |||
1319 | -d: run your program under the control of pdb, the Python debugger. |
|
1319 | -d: run your program under the control of pdb, the Python debugger. | |
1320 | This allows you to execute your program step by step, watch variables, |
|
1320 | This allows you to execute your program step by step, watch variables, | |
1321 | etc. Internally, what IPython does is similar to calling: |
|
1321 | etc. Internally, what IPython does is similar to calling: | |
1322 |
|
1322 | |||
1323 | pdb.run('execfile("YOURFILENAME")') |
|
1323 | pdb.run('execfile("YOURFILENAME")') | |
1324 |
|
1324 | |||
1325 | with a breakpoint set on line 1 of your file. You can change the line |
|
1325 | with a breakpoint set on line 1 of your file. You can change the line | |
1326 | number for this automatic breakpoint to be <N> by using the -bN option |
|
1326 | number for this automatic breakpoint to be <N> by using the -bN option | |
1327 | (where N must be an integer). For example: |
|
1327 | (where N must be an integer). For example: | |
1328 |
|
1328 | |||
1329 | %run -d -b40 myscript |
|
1329 | %run -d -b40 myscript | |
1330 |
|
1330 | |||
1331 | will set the first breakpoint at line 40 in myscript.py. Note that |
|
1331 | will set the first breakpoint at line 40 in myscript.py. Note that | |
1332 | the first breakpoint must be set on a line which actually does |
|
1332 | the first breakpoint must be set on a line which actually does | |
1333 | something (not a comment or docstring) for it to stop execution. |
|
1333 | something (not a comment or docstring) for it to stop execution. | |
1334 |
|
1334 | |||
1335 | When the pdb debugger starts, you will see a (Pdb) prompt. You must |
|
1335 | When the pdb debugger starts, you will see a (Pdb) prompt. You must | |
1336 | first enter 'c' (without qoutes) to start execution up to the first |
|
1336 | first enter 'c' (without qoutes) to start execution up to the first | |
1337 | breakpoint. |
|
1337 | breakpoint. | |
1338 |
|
1338 | |||
1339 | Entering 'help' gives information about the use of the debugger. You |
|
1339 | Entering 'help' gives information about the use of the debugger. You | |
1340 | can easily see pdb's full documentation with "import pdb;pdb.help()" |
|
1340 | can easily see pdb's full documentation with "import pdb;pdb.help()" | |
1341 | at a prompt. |
|
1341 | at a prompt. | |
1342 |
|
1342 | |||
1343 | -p: run program under the control of the Python profiler module (which |
|
1343 | -p: run program under the control of the Python profiler module (which | |
1344 | prints a detailed report of execution times, function calls, etc). |
|
1344 | prints a detailed report of execution times, function calls, etc). | |
1345 |
|
1345 | |||
1346 | You can pass other options after -p which affect the behavior of the |
|
1346 | You can pass other options after -p which affect the behavior of the | |
1347 | profiler itself. See the docs for %prun for details. |
|
1347 | profiler itself. See the docs for %prun for details. | |
1348 |
|
1348 | |||
1349 | In this mode, the program's variables do NOT propagate back to the |
|
1349 | In this mode, the program's variables do NOT propagate back to the | |
1350 | IPython interactive namespace (because they remain in the namespace |
|
1350 | IPython interactive namespace (because they remain in the namespace | |
1351 | where the profiler executes them). |
|
1351 | where the profiler executes them). | |
1352 |
|
1352 | |||
1353 | Internally this triggers a call to %prun, see its documentation for |
|
1353 | Internally this triggers a call to %prun, see its documentation for | |
1354 | details on the options available specifically for profiling. |
|
1354 | details on the options available specifically for profiling. | |
1355 |
|
1355 | |||
1356 | There is one special usage for which the text above doesn't apply: |
|
1356 | There is one special usage for which the text above doesn't apply: | |
1357 | if the filename ends with .ipy, the file is run as ipython script, |
|
1357 | if the filename ends with .ipy, the file is run as ipython script, | |
1358 | just as if the commands were written on IPython prompt. |
|
1358 | just as if the commands were written on IPython prompt. | |
1359 | """ |
|
1359 | """ | |
1360 |
|
1360 | |||
1361 | # get arguments and set sys.argv for program to be run. |
|
1361 | # get arguments and set sys.argv for program to be run. | |
1362 | opts,arg_lst = self.parse_options(parameter_s,'nidtN:b:pD:l:rs:T:e', |
|
1362 | opts,arg_lst = self.parse_options(parameter_s,'nidtN:b:pD:l:rs:T:e', | |
1363 | mode='list',list_all=1) |
|
1363 | mode='list',list_all=1) | |
1364 |
|
1364 | |||
1365 | try: |
|
1365 | try: | |
1366 | filename = get_py_filename(arg_lst[0]) |
|
1366 | filename = get_py_filename(arg_lst[0]) | |
1367 | except IndexError: |
|
1367 | except IndexError: | |
1368 | warn('you must provide at least a filename.') |
|
1368 | warn('you must provide at least a filename.') | |
1369 | print '\n%run:\n',OInspect.getdoc(self.magic_run) |
|
1369 | print '\n%run:\n',OInspect.getdoc(self.magic_run) | |
1370 | return |
|
1370 | return | |
1371 | except IOError,msg: |
|
1371 | except IOError,msg: | |
1372 | error(msg) |
|
1372 | error(msg) | |
1373 | return |
|
1373 | return | |
1374 |
|
1374 | |||
1375 | if filename.lower().endswith('.ipy'): |
|
1375 | if filename.lower().endswith('.ipy'): | |
1376 | self.api.runlines(open(filename).read()) |
|
1376 | self.api.runlines(open(filename).read()) | |
1377 | return |
|
1377 | return | |
1378 |
|
1378 | |||
1379 | # Control the response to exit() calls made by the script being run |
|
1379 | # Control the response to exit() calls made by the script being run | |
1380 | exit_ignore = opts.has_key('e') |
|
1380 | exit_ignore = opts.has_key('e') | |
1381 |
|
1381 | |||
1382 | # Make sure that the running script gets a proper sys.argv as if it |
|
1382 | # Make sure that the running script gets a proper sys.argv as if it | |
1383 | # were run from a system shell. |
|
1383 | # were run from a system shell. | |
1384 | save_argv = sys.argv # save it for later restoring |
|
1384 | save_argv = sys.argv # save it for later restoring | |
1385 | sys.argv = [filename]+ arg_lst[1:] # put in the proper filename |
|
1385 | sys.argv = [filename]+ arg_lst[1:] # put in the proper filename | |
1386 |
|
1386 | |||
1387 | if opts.has_key('i'): |
|
1387 | if opts.has_key('i'): | |
1388 | prog_ns = self.shell.user_ns |
|
1388 | prog_ns = self.shell.user_ns | |
1389 | __name__save = self.shell.user_ns['__name__'] |
|
1389 | __name__save = self.shell.user_ns['__name__'] | |
1390 | prog_ns['__name__'] = '__main__' |
|
1390 | prog_ns['__name__'] = '__main__' | |
1391 | else: |
|
1391 | else: | |
1392 | if opts.has_key('n'): |
|
1392 | if opts.has_key('n'): | |
1393 | name = os.path.splitext(os.path.basename(filename))[0] |
|
1393 | name = os.path.splitext(os.path.basename(filename))[0] | |
1394 | else: |
|
1394 | else: | |
1395 | name = '__main__' |
|
1395 | name = '__main__' | |
1396 | prog_ns = {'__name__':name} |
|
1396 | prog_ns = {'__name__':name} | |
1397 |
|
1397 | |||
1398 | # Since '%run foo' emulates 'python foo.py' at the cmd line, we must |
|
1398 | # Since '%run foo' emulates 'python foo.py' at the cmd line, we must | |
1399 | # set the __file__ global in the script's namespace |
|
1399 | # set the __file__ global in the script's namespace | |
1400 | prog_ns['__file__'] = filename |
|
1400 | prog_ns['__file__'] = filename | |
1401 |
|
1401 | |||
1402 | # pickle fix. See iplib for an explanation. But we need to make sure |
|
1402 | # pickle fix. See iplib for an explanation. But we need to make sure | |
1403 | # that, if we overwrite __main__, we replace it at the end |
|
1403 | # that, if we overwrite __main__, we replace it at the end | |
1404 | if prog_ns['__name__'] == '__main__': |
|
1404 | if prog_ns['__name__'] == '__main__': | |
1405 | restore_main = sys.modules['__main__'] |
|
1405 | restore_main = sys.modules['__main__'] | |
1406 | else: |
|
1406 | else: | |
1407 | restore_main = False |
|
1407 | restore_main = False | |
1408 |
|
1408 | |||
1409 | sys.modules[prog_ns['__name__']] = FakeModule(prog_ns) |
|
1409 | sys.modules[prog_ns['__name__']] = FakeModule(prog_ns) | |
1410 |
|
1410 | |||
1411 | stats = None |
|
1411 | stats = None | |
1412 | try: |
|
1412 | try: | |
1413 | if self.shell.has_readline: |
|
1413 | if self.shell.has_readline: | |
1414 | self.shell.savehist() |
|
1414 | self.shell.savehist() | |
1415 |
|
1415 | |||
1416 | if opts.has_key('p'): |
|
1416 | if opts.has_key('p'): | |
1417 | stats = self.magic_prun('',0,opts,arg_lst,prog_ns) |
|
1417 | stats = self.magic_prun('',0,opts,arg_lst,prog_ns) | |
1418 | else: |
|
1418 | else: | |
1419 | if opts.has_key('d'): |
|
1419 | if opts.has_key('d'): | |
1420 | deb = Debugger.Pdb(self.shell.rc.colors) |
|
1420 | deb = Debugger.Pdb(self.shell.rc.colors) | |
1421 | # reset Breakpoint state, which is moronically kept |
|
1421 | # reset Breakpoint state, which is moronically kept | |
1422 | # in a class |
|
1422 | # in a class | |
1423 | bdb.Breakpoint.next = 1 |
|
1423 | bdb.Breakpoint.next = 1 | |
1424 | bdb.Breakpoint.bplist = {} |
|
1424 | bdb.Breakpoint.bplist = {} | |
1425 | bdb.Breakpoint.bpbynumber = [None] |
|
1425 | bdb.Breakpoint.bpbynumber = [None] | |
1426 | # Set an initial breakpoint to stop execution |
|
1426 | # Set an initial breakpoint to stop execution | |
1427 | maxtries = 10 |
|
1427 | maxtries = 10 | |
1428 | bp = int(opts.get('b',[1])[0]) |
|
1428 | bp = int(opts.get('b',[1])[0]) | |
1429 | checkline = deb.checkline(filename,bp) |
|
1429 | checkline = deb.checkline(filename,bp) | |
1430 | if not checkline: |
|
1430 | if not checkline: | |
1431 | for bp in range(bp+1,bp+maxtries+1): |
|
1431 | for bp in range(bp+1,bp+maxtries+1): | |
1432 | if deb.checkline(filename,bp): |
|
1432 | if deb.checkline(filename,bp): | |
1433 | break |
|
1433 | break | |
1434 | else: |
|
1434 | else: | |
1435 | msg = ("\nI failed to find a valid line to set " |
|
1435 | msg = ("\nI failed to find a valid line to set " | |
1436 | "a breakpoint\n" |
|
1436 | "a breakpoint\n" | |
1437 | "after trying up to line: %s.\n" |
|
1437 | "after trying up to line: %s.\n" | |
1438 | "Please set a valid breakpoint manually " |
|
1438 | "Please set a valid breakpoint manually " | |
1439 | "with the -b option." % bp) |
|
1439 | "with the -b option." % bp) | |
1440 | error(msg) |
|
1440 | error(msg) | |
1441 | return |
|
1441 | return | |
1442 | # if we find a good linenumber, set the breakpoint |
|
1442 | # if we find a good linenumber, set the breakpoint | |
1443 | deb.do_break('%s:%s' % (filename,bp)) |
|
1443 | deb.do_break('%s:%s' % (filename,bp)) | |
1444 | # Start file run |
|
1444 | # Start file run | |
1445 | print "NOTE: Enter 'c' at the", |
|
1445 | print "NOTE: Enter 'c' at the", | |
1446 | print "%s prompt to start your script." % deb.prompt |
|
1446 | print "%s prompt to start your script." % deb.prompt | |
1447 | try: |
|
1447 | try: | |
1448 | deb.run('execfile("%s")' % filename,prog_ns) |
|
1448 | deb.run('execfile("%s")' % filename,prog_ns) | |
1449 |
|
1449 | |||
1450 | except: |
|
1450 | except: | |
1451 | etype, value, tb = sys.exc_info() |
|
1451 | etype, value, tb = sys.exc_info() | |
1452 | # Skip three frames in the traceback: the %run one, |
|
1452 | # Skip three frames in the traceback: the %run one, | |
1453 | # one inside bdb.py, and the command-line typed by the |
|
1453 | # one inside bdb.py, and the command-line typed by the | |
1454 | # user (run by exec in pdb itself). |
|
1454 | # user (run by exec in pdb itself). | |
1455 | self.shell.InteractiveTB(etype,value,tb,tb_offset=3) |
|
1455 | self.shell.InteractiveTB(etype,value,tb,tb_offset=3) | |
1456 | else: |
|
1456 | else: | |
1457 | if runner is None: |
|
1457 | if runner is None: | |
1458 | runner = self.shell.safe_execfile |
|
1458 | runner = self.shell.safe_execfile | |
1459 | if opts.has_key('t'): |
|
1459 | if opts.has_key('t'): | |
1460 | try: |
|
1460 | try: | |
1461 | nruns = int(opts['N'][0]) |
|
1461 | nruns = int(opts['N'][0]) | |
1462 | if nruns < 1: |
|
1462 | if nruns < 1: | |
1463 | error('Number of runs must be >=1') |
|
1463 | error('Number of runs must be >=1') | |
1464 | return |
|
1464 | return | |
1465 | except (KeyError): |
|
1465 | except (KeyError): | |
1466 | nruns = 1 |
|
1466 | nruns = 1 | |
1467 | if nruns == 1: |
|
1467 | if nruns == 1: | |
1468 | t0 = clock2() |
|
1468 | t0 = clock2() | |
1469 | runner(filename,prog_ns,prog_ns, |
|
1469 | runner(filename,prog_ns,prog_ns, | |
1470 | exit_ignore=exit_ignore) |
|
1470 | exit_ignore=exit_ignore) | |
1471 | t1 = clock2() |
|
1471 | t1 = clock2() | |
1472 | t_usr = t1[0]-t0[0] |
|
1472 | t_usr = t1[0]-t0[0] | |
1473 | t_sys = t1[1]-t1[1] |
|
1473 | t_sys = t1[1]-t1[1] | |
1474 | print "\nIPython CPU timings (estimated):" |
|
1474 | print "\nIPython CPU timings (estimated):" | |
1475 | print " User : %10s s." % t_usr |
|
1475 | print " User : %10s s." % t_usr | |
1476 | print " System: %10s s." % t_sys |
|
1476 | print " System: %10s s." % t_sys | |
1477 | else: |
|
1477 | else: | |
1478 | runs = range(nruns) |
|
1478 | runs = range(nruns) | |
1479 | t0 = clock2() |
|
1479 | t0 = clock2() | |
1480 | for nr in runs: |
|
1480 | for nr in runs: | |
1481 | runner(filename,prog_ns,prog_ns, |
|
1481 | runner(filename,prog_ns,prog_ns, | |
1482 | exit_ignore=exit_ignore) |
|
1482 | exit_ignore=exit_ignore) | |
1483 | t1 = clock2() |
|
1483 | t1 = clock2() | |
1484 | t_usr = t1[0]-t0[0] |
|
1484 | t_usr = t1[0]-t0[0] | |
1485 | t_sys = t1[1]-t1[1] |
|
1485 | t_sys = t1[1]-t1[1] | |
1486 | print "\nIPython CPU timings (estimated):" |
|
1486 | print "\nIPython CPU timings (estimated):" | |
1487 | print "Total runs performed:",nruns |
|
1487 | print "Total runs performed:",nruns | |
1488 | print " Times : %10s %10s" % ('Total','Per run') |
|
1488 | print " Times : %10s %10s" % ('Total','Per run') | |
1489 | print " User : %10s s, %10s s." % (t_usr,t_usr/nruns) |
|
1489 | print " User : %10s s, %10s s." % (t_usr,t_usr/nruns) | |
1490 | print " System: %10s s, %10s s." % (t_sys,t_sys/nruns) |
|
1490 | print " System: %10s s, %10s s." % (t_sys,t_sys/nruns) | |
1491 |
|
1491 | |||
1492 | else: |
|
1492 | else: | |
1493 | runner(filename,prog_ns,prog_ns,exit_ignore=exit_ignore) |
|
1493 | runner(filename,prog_ns,prog_ns,exit_ignore=exit_ignore) | |
1494 | if opts.has_key('i'): |
|
1494 | if opts.has_key('i'): | |
1495 | self.shell.user_ns['__name__'] = __name__save |
|
1495 | self.shell.user_ns['__name__'] = __name__save | |
1496 | else: |
|
1496 | else: | |
1497 | # update IPython interactive namespace |
|
1497 | # update IPython interactive namespace | |
1498 | del prog_ns['__name__'] |
|
1498 | del prog_ns['__name__'] | |
1499 | self.shell.user_ns.update(prog_ns) |
|
1499 | self.shell.user_ns.update(prog_ns) | |
1500 | finally: |
|
1500 | finally: | |
1501 | sys.argv = save_argv |
|
1501 | sys.argv = save_argv | |
1502 | if restore_main: |
|
1502 | if restore_main: | |
1503 | sys.modules['__main__'] = restore_main |
|
1503 | sys.modules['__main__'] = restore_main | |
1504 | self.shell.reloadhist() |
|
1504 | self.shell.reloadhist() | |
1505 |
|
1505 | |||
1506 | return stats |
|
1506 | return stats | |
1507 |
|
1507 | |||
1508 | def magic_runlog(self, parameter_s =''): |
|
1508 | def magic_runlog(self, parameter_s =''): | |
1509 | """Run files as logs. |
|
1509 | """Run files as logs. | |
1510 |
|
1510 | |||
1511 | Usage:\\ |
|
1511 | Usage:\\ | |
1512 | %runlog file1 file2 ... |
|
1512 | %runlog file1 file2 ... | |
1513 |
|
1513 | |||
1514 | Run the named files (treating them as log files) in sequence inside |
|
1514 | Run the named files (treating them as log files) in sequence inside | |
1515 | the interpreter, and return to the prompt. This is much slower than |
|
1515 | the interpreter, and return to the prompt. This is much slower than | |
1516 | %run because each line is executed in a try/except block, but it |
|
1516 | %run because each line is executed in a try/except block, but it | |
1517 | allows running files with syntax errors in them. |
|
1517 | allows running files with syntax errors in them. | |
1518 |
|
1518 | |||
1519 | Normally IPython will guess when a file is one of its own logfiles, so |
|
1519 | Normally IPython will guess when a file is one of its own logfiles, so | |
1520 | you can typically use %run even for logs. This shorthand allows you to |
|
1520 | you can typically use %run even for logs. This shorthand allows you to | |
1521 | force any file to be treated as a log file.""" |
|
1521 | force any file to be treated as a log file.""" | |
1522 |
|
1522 | |||
1523 | for f in parameter_s.split(): |
|
1523 | for f in parameter_s.split(): | |
1524 | self.shell.safe_execfile(f,self.shell.user_ns, |
|
1524 | self.shell.safe_execfile(f,self.shell.user_ns, | |
1525 | self.shell.user_ns,islog=1) |
|
1525 | self.shell.user_ns,islog=1) | |
1526 |
|
1526 | |||
1527 | def magic_timeit(self, parameter_s =''): |
|
1527 | def magic_timeit(self, parameter_s =''): | |
1528 | """Time execution of a Python statement or expression |
|
1528 | """Time execution of a Python statement or expression | |
1529 |
|
1529 | |||
1530 | Usage:\\ |
|
1530 | Usage:\\ | |
1531 | %timeit [-n<N> -r<R> [-t|-c]] statement |
|
1531 | %timeit [-n<N> -r<R> [-t|-c]] statement | |
1532 |
|
1532 | |||
1533 | Time execution of a Python statement or expression using the timeit |
|
1533 | Time execution of a Python statement or expression using the timeit | |
1534 | module. |
|
1534 | module. | |
1535 |
|
1535 | |||
1536 | Options: |
|
1536 | Options: | |
1537 | -n<N>: execute the given statement <N> times in a loop. If this value |
|
1537 | -n<N>: execute the given statement <N> times in a loop. If this value | |
1538 | is not given, a fitting value is chosen. |
|
1538 | is not given, a fitting value is chosen. | |
1539 |
|
1539 | |||
1540 | -r<R>: repeat the loop iteration <R> times and take the best result. |
|
1540 | -r<R>: repeat the loop iteration <R> times and take the best result. | |
1541 | Default: 3 |
|
1541 | Default: 3 | |
1542 |
|
1542 | |||
1543 | -t: use time.time to measure the time, which is the default on Unix. |
|
1543 | -t: use time.time to measure the time, which is the default on Unix. | |
1544 | This function measures wall time. |
|
1544 | This function measures wall time. | |
1545 |
|
1545 | |||
1546 | -c: use time.clock to measure the time, which is the default on |
|
1546 | -c: use time.clock to measure the time, which is the default on | |
1547 | Windows and measures wall time. On Unix, resource.getrusage is used |
|
1547 | Windows and measures wall time. On Unix, resource.getrusage is used | |
1548 | instead and returns the CPU user time. |
|
1548 | instead and returns the CPU user time. | |
1549 |
|
1549 | |||
1550 | -p<P>: use a precision of <P> digits to display the timing result. |
|
1550 | -p<P>: use a precision of <P> digits to display the timing result. | |
1551 | Default: 3 |
|
1551 | Default: 3 | |
1552 |
|
1552 | |||
1553 |
|
1553 | |||
1554 | Examples:\\ |
|
1554 | Examples:\\ | |
1555 | In [1]: %timeit pass |
|
1555 | In [1]: %timeit pass | |
1556 | 10000000 loops, best of 3: 53.3 ns per loop |
|
1556 | 10000000 loops, best of 3: 53.3 ns per loop | |
1557 |
|
1557 | |||
1558 | In [2]: u = None |
|
1558 | In [2]: u = None | |
1559 |
|
1559 | |||
1560 | In [3]: %timeit u is None |
|
1560 | In [3]: %timeit u is None | |
1561 | 10000000 loops, best of 3: 184 ns per loop |
|
1561 | 10000000 loops, best of 3: 184 ns per loop | |
1562 |
|
1562 | |||
1563 | In [4]: %timeit -r 4 u == None |
|
1563 | In [4]: %timeit -r 4 u == None | |
1564 | 1000000 loops, best of 4: 242 ns per loop |
|
1564 | 1000000 loops, best of 4: 242 ns per loop | |
1565 |
|
1565 | |||
1566 | In [5]: import time |
|
1566 | In [5]: import time | |
1567 |
|
1567 | |||
1568 | In [6]: %timeit -n1 time.sleep(2) |
|
1568 | In [6]: %timeit -n1 time.sleep(2) | |
1569 | 1 loops, best of 3: 2 s per loop |
|
1569 | 1 loops, best of 3: 2 s per loop | |
1570 |
|
1570 | |||
1571 |
|
1571 | |||
1572 | The times reported by %timeit will be slightly higher than those |
|
1572 | The times reported by %timeit will be slightly higher than those | |
1573 | reported by the timeit.py script when variables are accessed. This is |
|
1573 | reported by the timeit.py script when variables are accessed. This is | |
1574 | due to the fact that %timeit executes the statement in the namespace |
|
1574 | due to the fact that %timeit executes the statement in the namespace | |
1575 | of the shell, compared with timeit.py, which uses a single setup |
|
1575 | of the shell, compared with timeit.py, which uses a single setup | |
1576 | statement to import function or create variables. Generally, the bias |
|
1576 | statement to import function or create variables. Generally, the bias | |
1577 | does not matter as long as results from timeit.py are not mixed with |
|
1577 | does not matter as long as results from timeit.py are not mixed with | |
1578 | those from %timeit.""" |
|
1578 | those from %timeit.""" | |
1579 |
|
1579 | |||
1580 | import timeit |
|
1580 | import timeit | |
1581 | import math |
|
1581 | import math | |
1582 |
|
1582 | |||
1583 | units = ["s", "ms", "\xc2\xb5s", "ns"] |
|
1583 | units = ["s", "ms", "\xc2\xb5s", "ns"] | |
1584 | scaling = [1, 1e3, 1e6, 1e9] |
|
1584 | scaling = [1, 1e3, 1e6, 1e9] | |
1585 |
|
1585 | |||
1586 | opts, stmt = self.parse_options(parameter_s,'n:r:tcp:', |
|
1586 | opts, stmt = self.parse_options(parameter_s,'n:r:tcp:', | |
1587 | posix=False) |
|
1587 | posix=False) | |
1588 | if stmt == "": |
|
1588 | if stmt == "": | |
1589 | return |
|
1589 | return | |
1590 | timefunc = timeit.default_timer |
|
1590 | timefunc = timeit.default_timer | |
1591 | number = int(getattr(opts, "n", 0)) |
|
1591 | number = int(getattr(opts, "n", 0)) | |
1592 | repeat = int(getattr(opts, "r", timeit.default_repeat)) |
|
1592 | repeat = int(getattr(opts, "r", timeit.default_repeat)) | |
1593 | precision = int(getattr(opts, "p", 3)) |
|
1593 | precision = int(getattr(opts, "p", 3)) | |
1594 | if hasattr(opts, "t"): |
|
1594 | if hasattr(opts, "t"): | |
1595 | timefunc = time.time |
|
1595 | timefunc = time.time | |
1596 | if hasattr(opts, "c"): |
|
1596 | if hasattr(opts, "c"): | |
1597 | timefunc = clock |
|
1597 | timefunc = clock | |
1598 |
|
1598 | |||
1599 | timer = timeit.Timer(timer=timefunc) |
|
1599 | timer = timeit.Timer(timer=timefunc) | |
1600 | # this code has tight coupling to the inner workings of timeit.Timer, |
|
1600 | # this code has tight coupling to the inner workings of timeit.Timer, | |
1601 | # but is there a better way to achieve that the code stmt has access |
|
1601 | # but is there a better way to achieve that the code stmt has access | |
1602 | # to the shell namespace? |
|
1602 | # to the shell namespace? | |
1603 |
|
1603 | |||
1604 | src = timeit.template % {'stmt': timeit.reindent(stmt, 8), |
|
1604 | src = timeit.template % {'stmt': timeit.reindent(stmt, 8), | |
1605 | 'setup': "pass"} |
|
1605 | 'setup': "pass"} | |
1606 | code = compile(src, "<magic-timeit>", "exec") |
|
1606 | code = compile(src, "<magic-timeit>", "exec") | |
1607 | ns = {} |
|
1607 | ns = {} | |
1608 | exec code in self.shell.user_ns, ns |
|
1608 | exec code in self.shell.user_ns, ns | |
1609 | timer.inner = ns["inner"] |
|
1609 | timer.inner = ns["inner"] | |
1610 |
|
1610 | |||
1611 | if number == 0: |
|
1611 | if number == 0: | |
1612 | # determine number so that 0.2 <= total time < 2.0 |
|
1612 | # determine number so that 0.2 <= total time < 2.0 | |
1613 | number = 1 |
|
1613 | number = 1 | |
1614 | for i in range(1, 10): |
|
1614 | for i in range(1, 10): | |
1615 | number *= 10 |
|
1615 | number *= 10 | |
1616 | if timer.timeit(number) >= 0.2: |
|
1616 | if timer.timeit(number) >= 0.2: | |
1617 | break |
|
1617 | break | |
1618 |
|
1618 | |||
1619 | best = min(timer.repeat(repeat, number)) / number |
|
1619 | best = min(timer.repeat(repeat, number)) / number | |
1620 |
|
1620 | |||
1621 | if best > 0.0: |
|
1621 | if best > 0.0: | |
1622 | order = min(-int(math.floor(math.log10(best)) // 3), 3) |
|
1622 | order = min(-int(math.floor(math.log10(best)) // 3), 3) | |
1623 | else: |
|
1623 | else: | |
1624 | order = 3 |
|
1624 | order = 3 | |
1625 | print "%d loops, best of %d: %.*g %s per loop" % (number, repeat, |
|
1625 | print "%d loops, best of %d: %.*g %s per loop" % (number, repeat, | |
1626 | precision, |
|
1626 | precision, | |
1627 | best * scaling[order], |
|
1627 | best * scaling[order], | |
1628 | units[order]) |
|
1628 | units[order]) | |
1629 |
|
1629 | |||
1630 | def magic_time(self,parameter_s = ''): |
|
1630 | def magic_time(self,parameter_s = ''): | |
1631 | """Time execution of a Python statement or expression. |
|
1631 | """Time execution of a Python statement or expression. | |
1632 |
|
1632 | |||
1633 | The CPU and wall clock times are printed, and the value of the |
|
1633 | The CPU and wall clock times are printed, and the value of the | |
1634 | expression (if any) is returned. Note that under Win32, system time |
|
1634 | expression (if any) is returned. Note that under Win32, system time | |
1635 | is always reported as 0, since it can not be measured. |
|
1635 | is always reported as 0, since it can not be measured. | |
1636 |
|
1636 | |||
1637 | This function provides very basic timing functionality. In Python |
|
1637 | This function provides very basic timing functionality. In Python | |
1638 | 2.3, the timeit module offers more control and sophistication, so this |
|
1638 | 2.3, the timeit module offers more control and sophistication, so this | |
1639 | could be rewritten to use it (patches welcome). |
|
1639 | could be rewritten to use it (patches welcome). | |
1640 |
|
1640 | |||
1641 | Some examples: |
|
1641 | Some examples: | |
1642 |
|
1642 | |||
1643 | In [1]: time 2**128 |
|
1643 | In [1]: time 2**128 | |
1644 | CPU times: user 0.00 s, sys: 0.00 s, total: 0.00 s |
|
1644 | CPU times: user 0.00 s, sys: 0.00 s, total: 0.00 s | |
1645 | Wall time: 0.00 |
|
1645 | Wall time: 0.00 | |
1646 | Out[1]: 340282366920938463463374607431768211456L |
|
1646 | Out[1]: 340282366920938463463374607431768211456L | |
1647 |
|
1647 | |||
1648 | In [2]: n = 1000000 |
|
1648 | In [2]: n = 1000000 | |
1649 |
|
1649 | |||
1650 | In [3]: time sum(range(n)) |
|
1650 | In [3]: time sum(range(n)) | |
1651 | CPU times: user 1.20 s, sys: 0.05 s, total: 1.25 s |
|
1651 | CPU times: user 1.20 s, sys: 0.05 s, total: 1.25 s | |
1652 | Wall time: 1.37 |
|
1652 | Wall time: 1.37 | |
1653 | Out[3]: 499999500000L |
|
1653 | Out[3]: 499999500000L | |
1654 |
|
1654 | |||
1655 | In [4]: time print 'hello world' |
|
1655 | In [4]: time print 'hello world' | |
1656 | hello world |
|
1656 | hello world | |
1657 | CPU times: user 0.00 s, sys: 0.00 s, total: 0.00 s |
|
1657 | CPU times: user 0.00 s, sys: 0.00 s, total: 0.00 s | |
1658 | Wall time: 0.00 |
|
1658 | Wall time: 0.00 | |
1659 | """ |
|
1659 | """ | |
1660 |
|
1660 | |||
1661 | # fail immediately if the given expression can't be compiled |
|
1661 | # fail immediately if the given expression can't be compiled | |
1662 | try: |
|
1662 | try: | |
1663 | mode = 'eval' |
|
1663 | mode = 'eval' | |
1664 | code = compile(parameter_s,'<timed eval>',mode) |
|
1664 | code = compile(parameter_s,'<timed eval>',mode) | |
1665 | except SyntaxError: |
|
1665 | except SyntaxError: | |
1666 | mode = 'exec' |
|
1666 | mode = 'exec' | |
1667 | code = compile(parameter_s,'<timed exec>',mode) |
|
1667 | code = compile(parameter_s,'<timed exec>',mode) | |
1668 | # skew measurement as little as possible |
|
1668 | # skew measurement as little as possible | |
1669 | glob = self.shell.user_ns |
|
1669 | glob = self.shell.user_ns | |
1670 | clk = clock2 |
|
1670 | clk = clock2 | |
1671 | wtime = time.time |
|
1671 | wtime = time.time | |
1672 | # time execution |
|
1672 | # time execution | |
1673 | wall_st = wtime() |
|
1673 | wall_st = wtime() | |
1674 | if mode=='eval': |
|
1674 | if mode=='eval': | |
1675 | st = clk() |
|
1675 | st = clk() | |
1676 | out = eval(code,glob) |
|
1676 | out = eval(code,glob) | |
1677 | end = clk() |
|
1677 | end = clk() | |
1678 | else: |
|
1678 | else: | |
1679 | st = clk() |
|
1679 | st = clk() | |
1680 | exec code in glob |
|
1680 | exec code in glob | |
1681 | end = clk() |
|
1681 | end = clk() | |
1682 | out = None |
|
1682 | out = None | |
1683 | wall_end = wtime() |
|
1683 | wall_end = wtime() | |
1684 | # Compute actual times and report |
|
1684 | # Compute actual times and report | |
1685 | wall_time = wall_end-wall_st |
|
1685 | wall_time = wall_end-wall_st | |
1686 | cpu_user = end[0]-st[0] |
|
1686 | cpu_user = end[0]-st[0] | |
1687 | cpu_sys = end[1]-st[1] |
|
1687 | cpu_sys = end[1]-st[1] | |
1688 | cpu_tot = cpu_user+cpu_sys |
|
1688 | cpu_tot = cpu_user+cpu_sys | |
1689 | print "CPU times: user %.2f s, sys: %.2f s, total: %.2f s" % \ |
|
1689 | print "CPU times: user %.2f s, sys: %.2f s, total: %.2f s" % \ | |
1690 | (cpu_user,cpu_sys,cpu_tot) |
|
1690 | (cpu_user,cpu_sys,cpu_tot) | |
1691 | print "Wall time: %.2f" % wall_time |
|
1691 | print "Wall time: %.2f" % wall_time | |
1692 | return out |
|
1692 | return out | |
1693 |
|
1693 | |||
1694 | def magic_macro(self,parameter_s = ''): |
|
1694 | def magic_macro(self,parameter_s = ''): | |
1695 | """Define a set of input lines as a macro for future re-execution. |
|
1695 | """Define a set of input lines as a macro for future re-execution. | |
1696 |
|
1696 | |||
1697 | Usage:\\ |
|
1697 | Usage:\\ | |
1698 | %macro [options] name n1-n2 n3-n4 ... n5 .. n6 ... |
|
1698 | %macro [options] name n1-n2 n3-n4 ... n5 .. n6 ... | |
1699 |
|
1699 | |||
1700 | Options: |
|
1700 | Options: | |
1701 |
|
1701 | |||
1702 | -r: use 'raw' input. By default, the 'processed' history is used, |
|
1702 | -r: use 'raw' input. By default, the 'processed' history is used, | |
1703 | so that magics are loaded in their transformed version to valid |
|
1703 | so that magics are loaded in their transformed version to valid | |
1704 | Python. If this option is given, the raw input as typed as the |
|
1704 | Python. If this option is given, the raw input as typed as the | |
1705 | command line is used instead. |
|
1705 | command line is used instead. | |
1706 |
|
1706 | |||
1707 | This will define a global variable called `name` which is a string |
|
1707 | This will define a global variable called `name` which is a string | |
1708 | made of joining the slices and lines you specify (n1,n2,... numbers |
|
1708 | made of joining the slices and lines you specify (n1,n2,... numbers | |
1709 | above) from your input history into a single string. This variable |
|
1709 | above) from your input history into a single string. This variable | |
1710 | acts like an automatic function which re-executes those lines as if |
|
1710 | acts like an automatic function which re-executes those lines as if | |
1711 | you had typed them. You just type 'name' at the prompt and the code |
|
1711 | you had typed them. You just type 'name' at the prompt and the code | |
1712 | executes. |
|
1712 | executes. | |
1713 |
|
1713 | |||
1714 | The notation for indicating number ranges is: n1-n2 means 'use line |
|
1714 | The notation for indicating number ranges is: n1-n2 means 'use line | |
1715 | numbers n1,...n2' (the endpoint is included). That is, '5-7' means |
|
1715 | numbers n1,...n2' (the endpoint is included). That is, '5-7' means | |
1716 | using the lines numbered 5,6 and 7. |
|
1716 | using the lines numbered 5,6 and 7. | |
1717 |
|
1717 | |||
1718 | Note: as a 'hidden' feature, you can also use traditional python slice |
|
1718 | Note: as a 'hidden' feature, you can also use traditional python slice | |
1719 | notation, where N:M means numbers N through M-1. |
|
1719 | notation, where N:M means numbers N through M-1. | |
1720 |
|
1720 | |||
1721 | For example, if your history contains (%hist prints it): |
|
1721 | For example, if your history contains (%hist prints it): | |
1722 |
|
1722 | |||
1723 | 44: x=1\\ |
|
1723 | 44: x=1\\ | |
1724 | 45: y=3\\ |
|
1724 | 45: y=3\\ | |
1725 | 46: z=x+y\\ |
|
1725 | 46: z=x+y\\ | |
1726 | 47: print x\\ |
|
1726 | 47: print x\\ | |
1727 | 48: a=5\\ |
|
1727 | 48: a=5\\ | |
1728 | 49: print 'x',x,'y',y\\ |
|
1728 | 49: print 'x',x,'y',y\\ | |
1729 |
|
1729 | |||
1730 | you can create a macro with lines 44 through 47 (included) and line 49 |
|
1730 | you can create a macro with lines 44 through 47 (included) and line 49 | |
1731 | called my_macro with: |
|
1731 | called my_macro with: | |
1732 |
|
1732 | |||
1733 | In [51]: %macro my_macro 44-47 49 |
|
1733 | In [51]: %macro my_macro 44-47 49 | |
1734 |
|
1734 | |||
1735 | Now, typing `my_macro` (without quotes) will re-execute all this code |
|
1735 | Now, typing `my_macro` (without quotes) will re-execute all this code | |
1736 | in one pass. |
|
1736 | in one pass. | |
1737 |
|
1737 | |||
1738 | You don't need to give the line-numbers in order, and any given line |
|
1738 | You don't need to give the line-numbers in order, and any given line | |
1739 | number can appear multiple times. You can assemble macros with any |
|
1739 | number can appear multiple times. You can assemble macros with any | |
1740 | lines from your input history in any order. |
|
1740 | lines from your input history in any order. | |
1741 |
|
1741 | |||
1742 | The macro is a simple object which holds its value in an attribute, |
|
1742 | The macro is a simple object which holds its value in an attribute, | |
1743 | but IPython's display system checks for macros and executes them as |
|
1743 | but IPython's display system checks for macros and executes them as | |
1744 | code instead of printing them when you type their name. |
|
1744 | code instead of printing them when you type their name. | |
1745 |
|
1745 | |||
1746 | You can view a macro's contents by explicitly printing it with: |
|
1746 | You can view a macro's contents by explicitly printing it with: | |
1747 |
|
1747 | |||
1748 | 'print macro_name'. |
|
1748 | 'print macro_name'. | |
1749 |
|
1749 | |||
1750 | For one-off cases which DON'T contain magic function calls in them you |
|
1750 | For one-off cases which DON'T contain magic function calls in them you | |
1751 | can obtain similar results by explicitly executing slices from your |
|
1751 | can obtain similar results by explicitly executing slices from your | |
1752 | input history with: |
|
1752 | input history with: | |
1753 |
|
1753 | |||
1754 | In [60]: exec In[44:48]+In[49]""" |
|
1754 | In [60]: exec In[44:48]+In[49]""" | |
1755 |
|
1755 | |||
1756 | opts,args = self.parse_options(parameter_s,'r',mode='list') |
|
1756 | opts,args = self.parse_options(parameter_s,'r',mode='list') | |
1757 | name,ranges = args[0], args[1:] |
|
1757 | name,ranges = args[0], args[1:] | |
1758 | #print 'rng',ranges # dbg |
|
1758 | #print 'rng',ranges # dbg | |
1759 | lines = self.extract_input_slices(ranges,opts.has_key('r')) |
|
1759 | lines = self.extract_input_slices(ranges,opts.has_key('r')) | |
1760 | macro = Macro(lines) |
|
1760 | macro = Macro(lines) | |
1761 | self.shell.user_ns.update({name:macro}) |
|
1761 | self.shell.user_ns.update({name:macro}) | |
1762 | print 'Macro `%s` created. To execute, type its name (without quotes).' % name |
|
1762 | print 'Macro `%s` created. To execute, type its name (without quotes).' % name | |
1763 | print 'Macro contents:' |
|
1763 | print 'Macro contents:' | |
1764 | print macro, |
|
1764 | print macro, | |
1765 |
|
1765 | |||
1766 | def magic_save(self,parameter_s = ''): |
|
1766 | def magic_save(self,parameter_s = ''): | |
1767 | """Save a set of lines to a given filename. |
|
1767 | """Save a set of lines to a given filename. | |
1768 |
|
1768 | |||
1769 | Usage:\\ |
|
1769 | Usage:\\ | |
1770 | %save [options] filename n1-n2 n3-n4 ... n5 .. n6 ... |
|
1770 | %save [options] filename n1-n2 n3-n4 ... n5 .. n6 ... | |
1771 |
|
1771 | |||
1772 | Options: |
|
1772 | Options: | |
1773 |
|
1773 | |||
1774 | -r: use 'raw' input. By default, the 'processed' history is used, |
|
1774 | -r: use 'raw' input. By default, the 'processed' history is used, | |
1775 | so that magics are loaded in their transformed version to valid |
|
1775 | so that magics are loaded in their transformed version to valid | |
1776 | Python. If this option is given, the raw input as typed as the |
|
1776 | Python. If this option is given, the raw input as typed as the | |
1777 | command line is used instead. |
|
1777 | command line is used instead. | |
1778 |
|
1778 | |||
1779 | This function uses the same syntax as %macro for line extraction, but |
|
1779 | This function uses the same syntax as %macro for line extraction, but | |
1780 | instead of creating a macro it saves the resulting string to the |
|
1780 | instead of creating a macro it saves the resulting string to the | |
1781 | filename you specify. |
|
1781 | filename you specify. | |
1782 |
|
1782 | |||
1783 | It adds a '.py' extension to the file if you don't do so yourself, and |
|
1783 | It adds a '.py' extension to the file if you don't do so yourself, and | |
1784 | it asks for confirmation before overwriting existing files.""" |
|
1784 | it asks for confirmation before overwriting existing files.""" | |
1785 |
|
1785 | |||
1786 | opts,args = self.parse_options(parameter_s,'r',mode='list') |
|
1786 | opts,args = self.parse_options(parameter_s,'r',mode='list') | |
1787 | fname,ranges = args[0], args[1:] |
|
1787 | fname,ranges = args[0], args[1:] | |
1788 | if not fname.endswith('.py'): |
|
1788 | if not fname.endswith('.py'): | |
1789 | fname += '.py' |
|
1789 | fname += '.py' | |
1790 | if os.path.isfile(fname): |
|
1790 | if os.path.isfile(fname): | |
1791 | ans = raw_input('File `%s` exists. Overwrite (y/[N])? ' % fname) |
|
1791 | ans = raw_input('File `%s` exists. Overwrite (y/[N])? ' % fname) | |
1792 | if ans.lower() not in ['y','yes']: |
|
1792 | if ans.lower() not in ['y','yes']: | |
1793 | print 'Operation cancelled.' |
|
1793 | print 'Operation cancelled.' | |
1794 | return |
|
1794 | return | |
1795 | cmds = ''.join(self.extract_input_slices(ranges,opts.has_key('r'))) |
|
1795 | cmds = ''.join(self.extract_input_slices(ranges,opts.has_key('r'))) | |
1796 | f = file(fname,'w') |
|
1796 | f = file(fname,'w') | |
1797 | f.write(cmds) |
|
1797 | f.write(cmds) | |
1798 | f.close() |
|
1798 | f.close() | |
1799 | print 'The following commands were written to file `%s`:' % fname |
|
1799 | print 'The following commands were written to file `%s`:' % fname | |
1800 | print cmds |
|
1800 | print cmds | |
1801 |
|
1801 | |||
1802 | def _edit_macro(self,mname,macro): |
|
1802 | def _edit_macro(self,mname,macro): | |
1803 | """open an editor with the macro data in a file""" |
|
1803 | """open an editor with the macro data in a file""" | |
1804 | filename = self.shell.mktempfile(macro.value) |
|
1804 | filename = self.shell.mktempfile(macro.value) | |
1805 | self.shell.hooks.editor(filename) |
|
1805 | self.shell.hooks.editor(filename) | |
1806 |
|
1806 | |||
1807 | # and make a new macro object, to replace the old one |
|
1807 | # and make a new macro object, to replace the old one | |
1808 | mfile = open(filename) |
|
1808 | mfile = open(filename) | |
1809 | mvalue = mfile.read() |
|
1809 | mvalue = mfile.read() | |
1810 | mfile.close() |
|
1810 | mfile.close() | |
1811 | self.shell.user_ns[mname] = Macro(mvalue) |
|
1811 | self.shell.user_ns[mname] = Macro(mvalue) | |
1812 |
|
1812 | |||
1813 | def magic_ed(self,parameter_s=''): |
|
1813 | def magic_ed(self,parameter_s=''): | |
1814 | """Alias to %edit.""" |
|
1814 | """Alias to %edit.""" | |
1815 | return self.magic_edit(parameter_s) |
|
1815 | return self.magic_edit(parameter_s) | |
1816 |
|
1816 | |||
1817 | def magic_edit(self,parameter_s='',last_call=['','']): |
|
1817 | def magic_edit(self,parameter_s='',last_call=['','']): | |
1818 | """Bring up an editor and execute the resulting code. |
|
1818 | """Bring up an editor and execute the resulting code. | |
1819 |
|
1819 | |||
1820 | Usage: |
|
1820 | Usage: | |
1821 | %edit [options] [args] |
|
1821 | %edit [options] [args] | |
1822 |
|
1822 | |||
1823 | %edit runs IPython's editor hook. The default version of this hook is |
|
1823 | %edit runs IPython's editor hook. The default version of this hook is | |
1824 | set to call the __IPYTHON__.rc.editor command. This is read from your |
|
1824 | set to call the __IPYTHON__.rc.editor command. This is read from your | |
1825 | environment variable $EDITOR. If this isn't found, it will default to |
|
1825 | environment variable $EDITOR. If this isn't found, it will default to | |
1826 | vi under Linux/Unix and to notepad under Windows. See the end of this |
|
1826 | vi under Linux/Unix and to notepad under Windows. See the end of this | |
1827 | docstring for how to change the editor hook. |
|
1827 | docstring for how to change the editor hook. | |
1828 |
|
1828 | |||
1829 | You can also set the value of this editor via the command line option |
|
1829 | You can also set the value of this editor via the command line option | |
1830 | '-editor' or in your ipythonrc file. This is useful if you wish to use |
|
1830 | '-editor' or in your ipythonrc file. This is useful if you wish to use | |
1831 | specifically for IPython an editor different from your typical default |
|
1831 | specifically for IPython an editor different from your typical default | |
1832 | (and for Windows users who typically don't set environment variables). |
|
1832 | (and for Windows users who typically don't set environment variables). | |
1833 |
|
1833 | |||
1834 | This command allows you to conveniently edit multi-line code right in |
|
1834 | This command allows you to conveniently edit multi-line code right in | |
1835 | your IPython session. |
|
1835 | your IPython session. | |
1836 |
|
1836 | |||
1837 | If called without arguments, %edit opens up an empty editor with a |
|
1837 | If called without arguments, %edit opens up an empty editor with a | |
1838 | temporary file and will execute the contents of this file when you |
|
1838 | temporary file and will execute the contents of this file when you | |
1839 | close it (don't forget to save it!). |
|
1839 | close it (don't forget to save it!). | |
1840 |
|
1840 | |||
1841 |
|
1841 | |||
1842 | Options: |
|
1842 | Options: | |
1843 |
|
1843 | |||
1844 | -n <number>: open the editor at a specified line number. By default, |
|
1844 | -n <number>: open the editor at a specified line number. By default, | |
1845 | the IPython editor hook uses the unix syntax 'editor +N filename', but |
|
1845 | the IPython editor hook uses the unix syntax 'editor +N filename', but | |
1846 | you can configure this by providing your own modified hook if your |
|
1846 | you can configure this by providing your own modified hook if your | |
1847 | favorite editor supports line-number specifications with a different |
|
1847 | favorite editor supports line-number specifications with a different | |
1848 | syntax. |
|
1848 | syntax. | |
1849 |
|
1849 | |||
1850 | -p: this will call the editor with the same data as the previous time |
|
1850 | -p: this will call the editor with the same data as the previous time | |
1851 | it was used, regardless of how long ago (in your current session) it |
|
1851 | it was used, regardless of how long ago (in your current session) it | |
1852 | was. |
|
1852 | was. | |
1853 |
|
1853 | |||
1854 | -r: use 'raw' input. This option only applies to input taken from the |
|
1854 | -r: use 'raw' input. This option only applies to input taken from the | |
1855 | user's history. By default, the 'processed' history is used, so that |
|
1855 | user's history. By default, the 'processed' history is used, so that | |
1856 | magics are loaded in their transformed version to valid Python. If |
|
1856 | magics are loaded in their transformed version to valid Python. If | |
1857 | this option is given, the raw input as typed as the command line is |
|
1857 | this option is given, the raw input as typed as the command line is | |
1858 | used instead. When you exit the editor, it will be executed by |
|
1858 | used instead. When you exit the editor, it will be executed by | |
1859 | IPython's own processor. |
|
1859 | IPython's own processor. | |
1860 |
|
1860 | |||
1861 | -x: do not execute the edited code immediately upon exit. This is |
|
1861 | -x: do not execute the edited code immediately upon exit. This is | |
1862 | mainly useful if you are editing programs which need to be called with |
|
1862 | mainly useful if you are editing programs which need to be called with | |
1863 | command line arguments, which you can then do using %run. |
|
1863 | command line arguments, which you can then do using %run. | |
1864 |
|
1864 | |||
1865 |
|
1865 | |||
1866 | Arguments: |
|
1866 | Arguments: | |
1867 |
|
1867 | |||
1868 | If arguments are given, the following possibilites exist: |
|
1868 | If arguments are given, the following possibilites exist: | |
1869 |
|
1869 | |||
1870 | - The arguments are numbers or pairs of colon-separated numbers (like |
|
1870 | - The arguments are numbers or pairs of colon-separated numbers (like | |
1871 | 1 4:8 9). These are interpreted as lines of previous input to be |
|
1871 | 1 4:8 9). These are interpreted as lines of previous input to be | |
1872 | loaded into the editor. The syntax is the same of the %macro command. |
|
1872 | loaded into the editor. The syntax is the same of the %macro command. | |
1873 |
|
1873 | |||
1874 | - If the argument doesn't start with a number, it is evaluated as a |
|
1874 | - If the argument doesn't start with a number, it is evaluated as a | |
1875 | variable and its contents loaded into the editor. You can thus edit |
|
1875 | variable and its contents loaded into the editor. You can thus edit | |
1876 | any string which contains python code (including the result of |
|
1876 | any string which contains python code (including the result of | |
1877 | previous edits). |
|
1877 | previous edits). | |
1878 |
|
1878 | |||
1879 | - If the argument is the name of an object (other than a string), |
|
1879 | - If the argument is the name of an object (other than a string), | |
1880 | IPython will try to locate the file where it was defined and open the |
|
1880 | IPython will try to locate the file where it was defined and open the | |
1881 | editor at the point where it is defined. You can use `%edit function` |
|
1881 | editor at the point where it is defined. You can use `%edit function` | |
1882 | to load an editor exactly at the point where 'function' is defined, |
|
1882 | to load an editor exactly at the point where 'function' is defined, | |
1883 | edit it and have the file be executed automatically. |
|
1883 | edit it and have the file be executed automatically. | |
1884 |
|
1884 | |||
1885 | If the object is a macro (see %macro for details), this opens up your |
|
1885 | If the object is a macro (see %macro for details), this opens up your | |
1886 | specified editor with a temporary file containing the macro's data. |
|
1886 | specified editor with a temporary file containing the macro's data. | |
1887 | Upon exit, the macro is reloaded with the contents of the file. |
|
1887 | Upon exit, the macro is reloaded with the contents of the file. | |
1888 |
|
1888 | |||
1889 | Note: opening at an exact line is only supported under Unix, and some |
|
1889 | Note: opening at an exact line is only supported under Unix, and some | |
1890 | editors (like kedit and gedit up to Gnome 2.8) do not understand the |
|
1890 | editors (like kedit and gedit up to Gnome 2.8) do not understand the | |
1891 | '+NUMBER' parameter necessary for this feature. Good editors like |
|
1891 | '+NUMBER' parameter necessary for this feature. Good editors like | |
1892 | (X)Emacs, vi, jed, pico and joe all do. |
|
1892 | (X)Emacs, vi, jed, pico and joe all do. | |
1893 |
|
1893 | |||
1894 | - If the argument is not found as a variable, IPython will look for a |
|
1894 | - If the argument is not found as a variable, IPython will look for a | |
1895 | file with that name (adding .py if necessary) and load it into the |
|
1895 | file with that name (adding .py if necessary) and load it into the | |
1896 | editor. It will execute its contents with execfile() when you exit, |
|
1896 | editor. It will execute its contents with execfile() when you exit, | |
1897 | loading any code in the file into your interactive namespace. |
|
1897 | loading any code in the file into your interactive namespace. | |
1898 |
|
1898 | |||
1899 | After executing your code, %edit will return as output the code you |
|
1899 | After executing your code, %edit will return as output the code you | |
1900 | typed in the editor (except when it was an existing file). This way |
|
1900 | typed in the editor (except when it was an existing file). This way | |
1901 | you can reload the code in further invocations of %edit as a variable, |
|
1901 | you can reload the code in further invocations of %edit as a variable, | |
1902 | via _<NUMBER> or Out[<NUMBER>], where <NUMBER> is the prompt number of |
|
1902 | via _<NUMBER> or Out[<NUMBER>], where <NUMBER> is the prompt number of | |
1903 | the output. |
|
1903 | the output. | |
1904 |
|
1904 | |||
1905 | Note that %edit is also available through the alias %ed. |
|
1905 | Note that %edit is also available through the alias %ed. | |
1906 |
|
1906 | |||
1907 | This is an example of creating a simple function inside the editor and |
|
1907 | This is an example of creating a simple function inside the editor and | |
1908 | then modifying it. First, start up the editor: |
|
1908 | then modifying it. First, start up the editor: | |
1909 |
|
1909 | |||
1910 | In [1]: ed\\ |
|
1910 | In [1]: ed\\ | |
1911 | Editing... done. Executing edited code...\\ |
|
1911 | Editing... done. Executing edited code...\\ | |
1912 | Out[1]: 'def foo():\\n print "foo() was defined in an editing session"\\n' |
|
1912 | Out[1]: 'def foo():\\n print "foo() was defined in an editing session"\\n' | |
1913 |
|
1913 | |||
1914 | We can then call the function foo(): |
|
1914 | We can then call the function foo(): | |
1915 |
|
1915 | |||
1916 | In [2]: foo()\\ |
|
1916 | In [2]: foo()\\ | |
1917 | foo() was defined in an editing session |
|
1917 | foo() was defined in an editing session | |
1918 |
|
1918 | |||
1919 | Now we edit foo. IPython automatically loads the editor with the |
|
1919 | Now we edit foo. IPython automatically loads the editor with the | |
1920 | (temporary) file where foo() was previously defined: |
|
1920 | (temporary) file where foo() was previously defined: | |
1921 |
|
1921 | |||
1922 | In [3]: ed foo\\ |
|
1922 | In [3]: ed foo\\ | |
1923 | Editing... done. Executing edited code... |
|
1923 | Editing... done. Executing edited code... | |
1924 |
|
1924 | |||
1925 | And if we call foo() again we get the modified version: |
|
1925 | And if we call foo() again we get the modified version: | |
1926 |
|
1926 | |||
1927 | In [4]: foo()\\ |
|
1927 | In [4]: foo()\\ | |
1928 | foo() has now been changed! |
|
1928 | foo() has now been changed! | |
1929 |
|
1929 | |||
1930 | Here is an example of how to edit a code snippet successive |
|
1930 | Here is an example of how to edit a code snippet successive | |
1931 | times. First we call the editor: |
|
1931 | times. First we call the editor: | |
1932 |
|
1932 | |||
1933 | In [8]: ed\\ |
|
1933 | In [8]: ed\\ | |
1934 | Editing... done. Executing edited code...\\ |
|
1934 | Editing... done. Executing edited code...\\ | |
1935 | hello\\ |
|
1935 | hello\\ | |
1936 | Out[8]: "print 'hello'\\n" |
|
1936 | Out[8]: "print 'hello'\\n" | |
1937 |
|
1937 | |||
1938 | Now we call it again with the previous output (stored in _): |
|
1938 | Now we call it again with the previous output (stored in _): | |
1939 |
|
1939 | |||
1940 | In [9]: ed _\\ |
|
1940 | In [9]: ed _\\ | |
1941 | Editing... done. Executing edited code...\\ |
|
1941 | Editing... done. Executing edited code...\\ | |
1942 | hello world\\ |
|
1942 | hello world\\ | |
1943 | Out[9]: "print 'hello world'\\n" |
|
1943 | Out[9]: "print 'hello world'\\n" | |
1944 |
|
1944 | |||
1945 | Now we call it with the output #8 (stored in _8, also as Out[8]): |
|
1945 | Now we call it with the output #8 (stored in _8, also as Out[8]): | |
1946 |
|
1946 | |||
1947 | In [10]: ed _8\\ |
|
1947 | In [10]: ed _8\\ | |
1948 | Editing... done. Executing edited code...\\ |
|
1948 | Editing... done. Executing edited code...\\ | |
1949 | hello again\\ |
|
1949 | hello again\\ | |
1950 | Out[10]: "print 'hello again'\\n" |
|
1950 | Out[10]: "print 'hello again'\\n" | |
1951 |
|
1951 | |||
1952 |
|
1952 | |||
1953 | Changing the default editor hook: |
|
1953 | Changing the default editor hook: | |
1954 |
|
1954 | |||
1955 | If you wish to write your own editor hook, you can put it in a |
|
1955 | If you wish to write your own editor hook, you can put it in a | |
1956 | configuration file which you load at startup time. The default hook |
|
1956 | configuration file which you load at startup time. The default hook | |
1957 | is defined in the IPython.hooks module, and you can use that as a |
|
1957 | is defined in the IPython.hooks module, and you can use that as a | |
1958 | starting example for further modifications. That file also has |
|
1958 | starting example for further modifications. That file also has | |
1959 | general instructions on how to set a new hook for use once you've |
|
1959 | general instructions on how to set a new hook for use once you've | |
1960 | defined it.""" |
|
1960 | defined it.""" | |
1961 |
|
1961 | |||
1962 | # FIXME: This function has become a convoluted mess. It needs a |
|
1962 | # FIXME: This function has become a convoluted mess. It needs a | |
1963 | # ground-up rewrite with clean, simple logic. |
|
1963 | # ground-up rewrite with clean, simple logic. | |
1964 |
|
1964 | |||
1965 | def make_filename(arg): |
|
1965 | def make_filename(arg): | |
1966 | "Make a filename from the given args" |
|
1966 | "Make a filename from the given args" | |
1967 | try: |
|
1967 | try: | |
1968 | filename = get_py_filename(arg) |
|
1968 | filename = get_py_filename(arg) | |
1969 | except IOError: |
|
1969 | except IOError: | |
1970 | if args.endswith('.py'): |
|
1970 | if args.endswith('.py'): | |
1971 | filename = arg |
|
1971 | filename = arg | |
1972 | else: |
|
1972 | else: | |
1973 | filename = None |
|
1973 | filename = None | |
1974 | return filename |
|
1974 | return filename | |
1975 |
|
1975 | |||
1976 | # custom exceptions |
|
1976 | # custom exceptions | |
1977 | class DataIsObject(Exception): pass |
|
1977 | class DataIsObject(Exception): pass | |
1978 |
|
1978 | |||
1979 | opts,args = self.parse_options(parameter_s,'prxn:') |
|
1979 | opts,args = self.parse_options(parameter_s,'prxn:') | |
1980 | # Set a few locals from the options for convenience: |
|
1980 | # Set a few locals from the options for convenience: | |
1981 | opts_p = opts.has_key('p') |
|
1981 | opts_p = opts.has_key('p') | |
1982 | opts_r = opts.has_key('r') |
|
1982 | opts_r = opts.has_key('r') | |
1983 |
|
1983 | |||
1984 | # Default line number value |
|
1984 | # Default line number value | |
1985 | lineno = opts.get('n',None) |
|
1985 | lineno = opts.get('n',None) | |
1986 |
|
1986 | |||
1987 | if opts_p: |
|
1987 | if opts_p: | |
1988 | args = '_%s' % last_call[0] |
|
1988 | args = '_%s' % last_call[0] | |
1989 | if not self.shell.user_ns.has_key(args): |
|
1989 | if not self.shell.user_ns.has_key(args): | |
1990 | args = last_call[1] |
|
1990 | args = last_call[1] | |
1991 |
|
1991 | |||
1992 | # use last_call to remember the state of the previous call, but don't |
|
1992 | # use last_call to remember the state of the previous call, but don't | |
1993 | # let it be clobbered by successive '-p' calls. |
|
1993 | # let it be clobbered by successive '-p' calls. | |
1994 | try: |
|
1994 | try: | |
1995 | last_call[0] = self.shell.outputcache.prompt_count |
|
1995 | last_call[0] = self.shell.outputcache.prompt_count | |
1996 | if not opts_p: |
|
1996 | if not opts_p: | |
1997 | last_call[1] = parameter_s |
|
1997 | last_call[1] = parameter_s | |
1998 | except: |
|
1998 | except: | |
1999 | pass |
|
1999 | pass | |
2000 |
|
2000 | |||
2001 | # by default this is done with temp files, except when the given |
|
2001 | # by default this is done with temp files, except when the given | |
2002 | # arg is a filename |
|
2002 | # arg is a filename | |
2003 | use_temp = 1 |
|
2003 | use_temp = 1 | |
2004 |
|
2004 | |||
2005 | if re.match(r'\d',args): |
|
2005 | if re.match(r'\d',args): | |
2006 | # Mode where user specifies ranges of lines, like in %macro. |
|
2006 | # Mode where user specifies ranges of lines, like in %macro. | |
2007 | # This means that you can't edit files whose names begin with |
|
2007 | # This means that you can't edit files whose names begin with | |
2008 | # numbers this way. Tough. |
|
2008 | # numbers this way. Tough. | |
2009 | ranges = args.split() |
|
2009 | ranges = args.split() | |
2010 | data = ''.join(self.extract_input_slices(ranges,opts_r)) |
|
2010 | data = ''.join(self.extract_input_slices(ranges,opts_r)) | |
2011 | elif args.endswith('.py'): |
|
2011 | elif args.endswith('.py'): | |
2012 | filename = make_filename(args) |
|
2012 | filename = make_filename(args) | |
2013 | data = '' |
|
2013 | data = '' | |
2014 | use_temp = 0 |
|
2014 | use_temp = 0 | |
2015 | elif args: |
|
2015 | elif args: | |
2016 | try: |
|
2016 | try: | |
2017 | # Load the parameter given as a variable. If not a string, |
|
2017 | # Load the parameter given as a variable. If not a string, | |
2018 | # process it as an object instead (below) |
|
2018 | # process it as an object instead (below) | |
2019 |
|
2019 | |||
2020 | #print '*** args',args,'type',type(args) # dbg |
|
2020 | #print '*** args',args,'type',type(args) # dbg | |
2021 | data = eval(args,self.shell.user_ns) |
|
2021 | data = eval(args,self.shell.user_ns) | |
2022 | if not type(data) in StringTypes: |
|
2022 | if not type(data) in StringTypes: | |
2023 | raise DataIsObject |
|
2023 | raise DataIsObject | |
2024 |
|
2024 | |||
2025 | except (NameError,SyntaxError): |
|
2025 | except (NameError,SyntaxError): | |
2026 | # given argument is not a variable, try as a filename |
|
2026 | # given argument is not a variable, try as a filename | |
2027 | filename = make_filename(args) |
|
2027 | filename = make_filename(args) | |
2028 | if filename is None: |
|
2028 | if filename is None: | |
2029 | warn("Argument given (%s) can't be found as a variable " |
|
2029 | warn("Argument given (%s) can't be found as a variable " | |
2030 | "or as a filename." % args) |
|
2030 | "or as a filename." % args) | |
2031 | return |
|
2031 | return | |
2032 |
|
2032 | |||
2033 | data = '' |
|
2033 | data = '' | |
2034 | use_temp = 0 |
|
2034 | use_temp = 0 | |
2035 | except DataIsObject: |
|
2035 | except DataIsObject: | |
2036 |
|
2036 | |||
2037 | # macros have a special edit function |
|
2037 | # macros have a special edit function | |
2038 | if isinstance(data,Macro): |
|
2038 | if isinstance(data,Macro): | |
2039 | self._edit_macro(args,data) |
|
2039 | self._edit_macro(args,data) | |
2040 | return |
|
2040 | return | |
2041 |
|
2041 | |||
2042 | # For objects, try to edit the file where they are defined |
|
2042 | # For objects, try to edit the file where they are defined | |
2043 | try: |
|
2043 | try: | |
2044 | filename = inspect.getabsfile(data) |
|
2044 | filename = inspect.getabsfile(data) | |
2045 | datafile = 1 |
|
2045 | datafile = 1 | |
2046 | except TypeError: |
|
2046 | except TypeError: | |
2047 | filename = make_filename(args) |
|
2047 | filename = make_filename(args) | |
2048 | datafile = 1 |
|
2048 | datafile = 1 | |
2049 | warn('Could not find file where `%s` is defined.\n' |
|
2049 | warn('Could not find file where `%s` is defined.\n' | |
2050 | 'Opening a file named `%s`' % (args,filename)) |
|
2050 | 'Opening a file named `%s`' % (args,filename)) | |
2051 | # Now, make sure we can actually read the source (if it was in |
|
2051 | # Now, make sure we can actually read the source (if it was in | |
2052 | # a temp file it's gone by now). |
|
2052 | # a temp file it's gone by now). | |
2053 | if datafile: |
|
2053 | if datafile: | |
2054 | try: |
|
2054 | try: | |
2055 | if lineno is None: |
|
2055 | if lineno is None: | |
2056 | lineno = inspect.getsourcelines(data)[1] |
|
2056 | lineno = inspect.getsourcelines(data)[1] | |
2057 | except IOError: |
|
2057 | except IOError: | |
2058 | filename = make_filename(args) |
|
2058 | filename = make_filename(args) | |
2059 | if filename is None: |
|
2059 | if filename is None: | |
2060 | warn('The file `%s` where `%s` was defined cannot ' |
|
2060 | warn('The file `%s` where `%s` was defined cannot ' | |
2061 | 'be read.' % (filename,data)) |
|
2061 | 'be read.' % (filename,data)) | |
2062 | return |
|
2062 | return | |
2063 | use_temp = 0 |
|
2063 | use_temp = 0 | |
2064 | else: |
|
2064 | else: | |
2065 | data = '' |
|
2065 | data = '' | |
2066 |
|
2066 | |||
2067 | if use_temp: |
|
2067 | if use_temp: | |
2068 | filename = self.shell.mktempfile(data) |
|
2068 | filename = self.shell.mktempfile(data) | |
2069 | print 'IPython will make a temporary file named:',filename |
|
2069 | print 'IPython will make a temporary file named:',filename | |
2070 |
|
2070 | |||
2071 | # do actual editing here |
|
2071 | # do actual editing here | |
2072 | print 'Editing...', |
|
2072 | print 'Editing...', | |
2073 | sys.stdout.flush() |
|
2073 | sys.stdout.flush() | |
2074 | self.shell.hooks.editor(filename,lineno) |
|
2074 | self.shell.hooks.editor(filename,lineno) | |
2075 | if opts.has_key('x'): # -x prevents actual execution |
|
2075 | if opts.has_key('x'): # -x prevents actual execution | |
2076 |
|
2076 | |||
2077 | else: |
|
2077 | else: | |
2078 | print 'done. Executing edited code...' |
|
2078 | print 'done. Executing edited code...' | |
2079 | if opts_r: |
|
2079 | if opts_r: | |
2080 | self.shell.runlines(file_read(filename)) |
|
2080 | self.shell.runlines(file_read(filename)) | |
2081 | else: |
|
2081 | else: | |
2082 | self.shell.safe_execfile(filename,self.shell.user_ns, |
|
2082 | self.shell.safe_execfile(filename,self.shell.user_ns, | |
2083 | self.shell.user_ns) |
|
2083 | self.shell.user_ns) | |
2084 | if use_temp: |
|
2084 | if use_temp: | |
2085 | try: |
|
2085 | try: | |
2086 | return open(filename).read() |
|
2086 | return open(filename).read() | |
2087 | except IOError,msg: |
|
2087 | except IOError,msg: | |
2088 | if msg.filename == filename: |
|
2088 | if msg.filename == filename: | |
2089 | warn('File not found. Did you forget to save?') |
|
2089 | warn('File not found. Did you forget to save?') | |
2090 | return |
|
2090 | return | |
2091 | else: |
|
2091 | else: | |
2092 | self.shell.showtraceback() |
|
2092 | self.shell.showtraceback() | |
2093 |
|
2093 | |||
2094 | def magic_xmode(self,parameter_s = ''): |
|
2094 | def magic_xmode(self,parameter_s = ''): | |
2095 | """Switch modes for the exception handlers. |
|
2095 | """Switch modes for the exception handlers. | |
2096 |
|
2096 | |||
2097 | Valid modes: Plain, Context and Verbose. |
|
2097 | Valid modes: Plain, Context and Verbose. | |
2098 |
|
2098 | |||
2099 | If called without arguments, acts as a toggle.""" |
|
2099 | If called without arguments, acts as a toggle.""" | |
2100 |
|
2100 | |||
2101 | def xmode_switch_err(name): |
|
2101 | def xmode_switch_err(name): | |
2102 | warn('Error changing %s exception modes.\n%s' % |
|
2102 | warn('Error changing %s exception modes.\n%s' % | |
2103 | (name,sys.exc_info()[1])) |
|
2103 | (name,sys.exc_info()[1])) | |
2104 |
|
2104 | |||
2105 | shell = self.shell |
|
2105 | shell = self.shell | |
2106 | new_mode = parameter_s.strip().capitalize() |
|
2106 | new_mode = parameter_s.strip().capitalize() | |
2107 | try: |
|
2107 | try: | |
2108 | shell.InteractiveTB.set_mode(mode=new_mode) |
|
2108 | shell.InteractiveTB.set_mode(mode=new_mode) | |
2109 | print 'Exception reporting mode:',shell.InteractiveTB.mode |
|
2109 | print 'Exception reporting mode:',shell.InteractiveTB.mode | |
2110 | except: |
|
2110 | except: | |
2111 | xmode_switch_err('user') |
|
2111 | xmode_switch_err('user') | |
2112 |
|
2112 | |||
2113 | # threaded shells use a special handler in sys.excepthook |
|
2113 | # threaded shells use a special handler in sys.excepthook | |
2114 | if shell.isthreaded: |
|
2114 | if shell.isthreaded: | |
2115 | try: |
|
2115 | try: | |
2116 | shell.sys_excepthook.set_mode(mode=new_mode) |
|
2116 | shell.sys_excepthook.set_mode(mode=new_mode) | |
2117 | except: |
|
2117 | except: | |
2118 | xmode_switch_err('threaded') |
|
2118 | xmode_switch_err('threaded') | |
2119 |
|
2119 | |||
2120 | def magic_colors(self,parameter_s = ''): |
|
2120 | def magic_colors(self,parameter_s = ''): | |
2121 | """Switch color scheme for prompts, info system and exception handlers. |
|
2121 | """Switch color scheme for prompts, info system and exception handlers. | |
2122 |
|
2122 | |||
2123 | Currently implemented schemes: NoColor, Linux, LightBG. |
|
2123 | Currently implemented schemes: NoColor, Linux, LightBG. | |
2124 |
|
2124 | |||
2125 | Color scheme names are not case-sensitive.""" |
|
2125 | Color scheme names are not case-sensitive.""" | |
2126 |
|
2126 | |||
2127 | def color_switch_err(name): |
|
2127 | def color_switch_err(name): | |
2128 | warn('Error changing %s color schemes.\n%s' % |
|
2128 | warn('Error changing %s color schemes.\n%s' % | |
2129 | (name,sys.exc_info()[1])) |
|
2129 | (name,sys.exc_info()[1])) | |
2130 |
|
2130 | |||
2131 |
|
2131 | |||
2132 | new_scheme = parameter_s.strip() |
|
2132 | new_scheme = parameter_s.strip() | |
2133 | if not new_scheme: |
|
2133 | if not new_scheme: | |
2134 | print 'You must specify a color scheme.' |
|
2134 | print 'You must specify a color scheme.' | |
2135 | return |
|
2135 | return | |
2136 | import IPython.rlineimpl as readline |
|
2136 | import IPython.rlineimpl as readline | |
2137 | if not readline.have_readline: |
|
2137 | if not readline.have_readline and sys.platform == "win32": | |
2138 | msg = """\ |
|
2138 | msg = """\ | |
2139 | Proper color support under MS Windows requires the pyreadline library. |
|
2139 | Proper color support under MS Windows requires the pyreadline library. | |
2140 | You can find it at: |
|
2140 | You can find it at: | |
2141 | http://ipython.scipy.org/moin/PyReadline/Intro |
|
2141 | http://ipython.scipy.org/moin/PyReadline/Intro | |
2142 | Gary's readline needs the ctypes module, from: |
|
2142 | Gary's readline needs the ctypes module, from: | |
2143 | http://starship.python.net/crew/theller/ctypes |
|
2143 | http://starship.python.net/crew/theller/ctypes | |
2144 | (Note that ctypes is already part of Python versions 2.5 and newer). |
|
2144 | (Note that ctypes is already part of Python versions 2.5 and newer). | |
2145 |
|
2145 | |||
2146 | Defaulting color scheme to 'NoColor'""" |
|
2146 | Defaulting color scheme to 'NoColor'""" | |
2147 | new_scheme = 'NoColor' |
|
2147 | new_scheme = 'NoColor' | |
2148 | warn(msg) |
|
2148 | warn(msg) | |
2149 | # local shortcut |
|
2149 | # local shortcut | |
2150 | shell = self.shell |
|
2150 | shell = self.shell | |
2151 |
|
2151 | |||
2152 | # Set prompt colors |
|
2152 | # Set prompt colors | |
2153 | try: |
|
2153 | try: | |
2154 | shell.outputcache.set_colors(new_scheme) |
|
2154 | shell.outputcache.set_colors(new_scheme) | |
2155 | except: |
|
2155 | except: | |
2156 | color_switch_err('prompt') |
|
2156 | color_switch_err('prompt') | |
2157 | else: |
|
2157 | else: | |
2158 | shell.rc.colors = \ |
|
2158 | shell.rc.colors = \ | |
2159 | shell.outputcache.color_table.active_scheme_name |
|
2159 | shell.outputcache.color_table.active_scheme_name | |
2160 | # Set exception colors |
|
2160 | # Set exception colors | |
2161 | try: |
|
2161 | try: | |
2162 | shell.InteractiveTB.set_colors(scheme = new_scheme) |
|
2162 | shell.InteractiveTB.set_colors(scheme = new_scheme) | |
2163 | shell.SyntaxTB.set_colors(scheme = new_scheme) |
|
2163 | shell.SyntaxTB.set_colors(scheme = new_scheme) | |
2164 | except: |
|
2164 | except: | |
2165 | color_switch_err('exception') |
|
2165 | color_switch_err('exception') | |
2166 |
|
2166 | |||
2167 | # threaded shells use a verbose traceback in sys.excepthook |
|
2167 | # threaded shells use a verbose traceback in sys.excepthook | |
2168 | if shell.isthreaded: |
|
2168 | if shell.isthreaded: | |
2169 | try: |
|
2169 | try: | |
2170 | shell.sys_excepthook.set_colors(scheme=new_scheme) |
|
2170 | shell.sys_excepthook.set_colors(scheme=new_scheme) | |
2171 | except: |
|
2171 | except: | |
2172 | color_switch_err('system exception handler') |
|
2172 | color_switch_err('system exception handler') | |
2173 |
|
2173 | |||
2174 | # Set info (for 'object?') colors |
|
2174 | # Set info (for 'object?') colors | |
2175 | if shell.rc.color_info: |
|
2175 | if shell.rc.color_info: | |
2176 | try: |
|
2176 | try: | |
2177 | shell.inspector.set_active_scheme(new_scheme) |
|
2177 | shell.inspector.set_active_scheme(new_scheme) | |
2178 | except: |
|
2178 | except: | |
2179 | color_switch_err('object inspector') |
|
2179 | color_switch_err('object inspector') | |
2180 | else: |
|
2180 | else: | |
2181 | shell.inspector.set_active_scheme('NoColor') |
|
2181 | shell.inspector.set_active_scheme('NoColor') | |
2182 |
|
2182 | |||
2183 | def magic_color_info(self,parameter_s = ''): |
|
2183 | def magic_color_info(self,parameter_s = ''): | |
2184 | """Toggle color_info. |
|
2184 | """Toggle color_info. | |
2185 |
|
2185 | |||
2186 | The color_info configuration parameter controls whether colors are |
|
2186 | The color_info configuration parameter controls whether colors are | |
2187 | used for displaying object details (by things like %psource, %pfile or |
|
2187 | used for displaying object details (by things like %psource, %pfile or | |
2188 | the '?' system). This function toggles this value with each call. |
|
2188 | the '?' system). This function toggles this value with each call. | |
2189 |
|
2189 | |||
2190 | Note that unless you have a fairly recent pager (less works better |
|
2190 | Note that unless you have a fairly recent pager (less works better | |
2191 | than more) in your system, using colored object information displays |
|
2191 | than more) in your system, using colored object information displays | |
2192 | will not work properly. Test it and see.""" |
|
2192 | will not work properly. Test it and see.""" | |
2193 |
|
2193 | |||
2194 | self.shell.rc.color_info = 1 - self.shell.rc.color_info |
|
2194 | self.shell.rc.color_info = 1 - self.shell.rc.color_info | |
2195 | self.magic_colors(self.shell.rc.colors) |
|
2195 | self.magic_colors(self.shell.rc.colors) | |
2196 | print 'Object introspection functions have now coloring:', |
|
2196 | print 'Object introspection functions have now coloring:', | |
2197 | print ['OFF','ON'][self.shell.rc.color_info] |
|
2197 | print ['OFF','ON'][self.shell.rc.color_info] | |
2198 |
|
2198 | |||
2199 | def magic_Pprint(self, parameter_s=''): |
|
2199 | def magic_Pprint(self, parameter_s=''): | |
2200 | """Toggle pretty printing on/off.""" |
|
2200 | """Toggle pretty printing on/off.""" | |
2201 |
|
2201 | |||
2202 | self.shell.rc.pprint = 1 - self.shell.rc.pprint |
|
2202 | self.shell.rc.pprint = 1 - self.shell.rc.pprint | |
2203 | print 'Pretty printing has been turned', \ |
|
2203 | print 'Pretty printing has been turned', \ | |
2204 | ['OFF','ON'][self.shell.rc.pprint] |
|
2204 | ['OFF','ON'][self.shell.rc.pprint] | |
2205 |
|
2205 | |||
2206 | def magic_exit(self, parameter_s=''): |
|
2206 | def magic_exit(self, parameter_s=''): | |
2207 | """Exit IPython, confirming if configured to do so. |
|
2207 | """Exit IPython, confirming if configured to do so. | |
2208 |
|
2208 | |||
2209 | You can configure whether IPython asks for confirmation upon exit by |
|
2209 | You can configure whether IPython asks for confirmation upon exit by | |
2210 | setting the confirm_exit flag in the ipythonrc file.""" |
|
2210 | setting the confirm_exit flag in the ipythonrc file.""" | |
2211 |
|
2211 | |||
2212 | self.shell.exit() |
|
2212 | self.shell.exit() | |
2213 |
|
2213 | |||
2214 | def magic_quit(self, parameter_s=''): |
|
2214 | def magic_quit(self, parameter_s=''): | |
2215 | """Exit IPython, confirming if configured to do so (like %exit)""" |
|
2215 | """Exit IPython, confirming if configured to do so (like %exit)""" | |
2216 |
|
2216 | |||
2217 | self.shell.exit() |
|
2217 | self.shell.exit() | |
2218 |
|
2218 | |||
2219 | def magic_Exit(self, parameter_s=''): |
|
2219 | def magic_Exit(self, parameter_s=''): | |
2220 | """Exit IPython without confirmation.""" |
|
2220 | """Exit IPython without confirmation.""" | |
2221 |
|
2221 | |||
2222 | self.shell.exit_now = True |
|
2222 | self.shell.exit_now = True | |
2223 |
|
2223 | |||
2224 | #...................................................................... |
|
2224 | #...................................................................... | |
2225 | # Functions to implement unix shell-type things |
|
2225 | # Functions to implement unix shell-type things | |
2226 |
|
2226 | |||
2227 | def magic_alias(self, parameter_s = ''): |
|
2227 | def magic_alias(self, parameter_s = ''): | |
2228 | """Define an alias for a system command. |
|
2228 | """Define an alias for a system command. | |
2229 |
|
2229 | |||
2230 | '%alias alias_name cmd' defines 'alias_name' as an alias for 'cmd' |
|
2230 | '%alias alias_name cmd' defines 'alias_name' as an alias for 'cmd' | |
2231 |
|
2231 | |||
2232 | Then, typing 'alias_name params' will execute the system command 'cmd |
|
2232 | Then, typing 'alias_name params' will execute the system command 'cmd | |
2233 | params' (from your underlying operating system). |
|
2233 | params' (from your underlying operating system). | |
2234 |
|
2234 | |||
2235 | Aliases have lower precedence than magic functions and Python normal |
|
2235 | Aliases have lower precedence than magic functions and Python normal | |
2236 | variables, so if 'foo' is both a Python variable and an alias, the |
|
2236 | variables, so if 'foo' is both a Python variable and an alias, the | |
2237 | alias can not be executed until 'del foo' removes the Python variable. |
|
2237 | alias can not be executed until 'del foo' removes the Python variable. | |
2238 |
|
2238 | |||
2239 | You can use the %l specifier in an alias definition to represent the |
|
2239 | You can use the %l specifier in an alias definition to represent the | |
2240 | whole line when the alias is called. For example: |
|
2240 | whole line when the alias is called. For example: | |
2241 |
|
2241 | |||
2242 | In [2]: alias all echo "Input in brackets: <%l>"\\ |
|
2242 | In [2]: alias all echo "Input in brackets: <%l>"\\ | |
2243 | In [3]: all hello world\\ |
|
2243 | In [3]: all hello world\\ | |
2244 | Input in brackets: <hello world> |
|
2244 | Input in brackets: <hello world> | |
2245 |
|
2245 | |||
2246 | You can also define aliases with parameters using %s specifiers (one |
|
2246 | You can also define aliases with parameters using %s specifiers (one | |
2247 | per parameter): |
|
2247 | per parameter): | |
2248 |
|
2248 | |||
2249 | In [1]: alias parts echo first %s second %s\\ |
|
2249 | In [1]: alias parts echo first %s second %s\\ | |
2250 | In [2]: %parts A B\\ |
|
2250 | In [2]: %parts A B\\ | |
2251 | first A second B\\ |
|
2251 | first A second B\\ | |
2252 | In [3]: %parts A\\ |
|
2252 | In [3]: %parts A\\ | |
2253 | Incorrect number of arguments: 2 expected.\\ |
|
2253 | Incorrect number of arguments: 2 expected.\\ | |
2254 | parts is an alias to: 'echo first %s second %s' |
|
2254 | parts is an alias to: 'echo first %s second %s' | |
2255 |
|
2255 | |||
2256 | Note that %l and %s are mutually exclusive. You can only use one or |
|
2256 | Note that %l and %s are mutually exclusive. You can only use one or | |
2257 | the other in your aliases. |
|
2257 | the other in your aliases. | |
2258 |
|
2258 | |||
2259 | Aliases expand Python variables just like system calls using ! or !! |
|
2259 | Aliases expand Python variables just like system calls using ! or !! | |
2260 | do: all expressions prefixed with '$' get expanded. For details of |
|
2260 | do: all expressions prefixed with '$' get expanded. For details of | |
2261 | the semantic rules, see PEP-215: |
|
2261 | the semantic rules, see PEP-215: | |
2262 | http://www.python.org/peps/pep-0215.html. This is the library used by |
|
2262 | http://www.python.org/peps/pep-0215.html. This is the library used by | |
2263 | IPython for variable expansion. If you want to access a true shell |
|
2263 | IPython for variable expansion. If you want to access a true shell | |
2264 | variable, an extra $ is necessary to prevent its expansion by IPython: |
|
2264 | variable, an extra $ is necessary to prevent its expansion by IPython: | |
2265 |
|
2265 | |||
2266 | In [6]: alias show echo\\ |
|
2266 | In [6]: alias show echo\\ | |
2267 | In [7]: PATH='A Python string'\\ |
|
2267 | In [7]: PATH='A Python string'\\ | |
2268 | In [8]: show $PATH\\ |
|
2268 | In [8]: show $PATH\\ | |
2269 | A Python string\\ |
|
2269 | A Python string\\ | |
2270 | In [9]: show $$PATH\\ |
|
2270 | In [9]: show $$PATH\\ | |
2271 | /usr/local/lf9560/bin:/usr/local/intel/compiler70/ia32/bin:... |
|
2271 | /usr/local/lf9560/bin:/usr/local/intel/compiler70/ia32/bin:... | |
2272 |
|
2272 | |||
2273 | You can use the alias facility to acess all of $PATH. See the %rehash |
|
2273 | You can use the alias facility to acess all of $PATH. See the %rehash | |
2274 | and %rehashx functions, which automatically create aliases for the |
|
2274 | and %rehashx functions, which automatically create aliases for the | |
2275 | contents of your $PATH. |
|
2275 | contents of your $PATH. | |
2276 |
|
2276 | |||
2277 | If called with no parameters, %alias prints the current alias table.""" |
|
2277 | If called with no parameters, %alias prints the current alias table.""" | |
2278 |
|
2278 | |||
2279 | par = parameter_s.strip() |
|
2279 | par = parameter_s.strip() | |
2280 | if not par: |
|
2280 | if not par: | |
2281 | stored = self.db.get('stored_aliases', {} ) |
|
2281 | stored = self.db.get('stored_aliases', {} ) | |
2282 | atab = self.shell.alias_table |
|
2282 | atab = self.shell.alias_table | |
2283 | aliases = atab.keys() |
|
2283 | aliases = atab.keys() | |
2284 | aliases.sort() |
|
2284 | aliases.sort() | |
2285 | res = [] |
|
2285 | res = [] | |
2286 | showlast = [] |
|
2286 | showlast = [] | |
2287 | for alias in aliases: |
|
2287 | for alias in aliases: | |
2288 | tgt = atab[alias][1] |
|
2288 | tgt = atab[alias][1] | |
2289 | # 'interesting' aliases |
|
2289 | # 'interesting' aliases | |
2290 | if (alias in stored or |
|
2290 | if (alias in stored or | |
2291 | alias.lower() != os.path.splitext(tgt)[0].lower() or |
|
2291 | alias.lower() != os.path.splitext(tgt)[0].lower() or | |
2292 | ' ' in tgt): |
|
2292 | ' ' in tgt): | |
2293 | showlast.append((alias, tgt)) |
|
2293 | showlast.append((alias, tgt)) | |
2294 | else: |
|
2294 | else: | |
2295 | res.append((alias, tgt )) |
|
2295 | res.append((alias, tgt )) | |
2296 |
|
2296 | |||
2297 | # show most interesting aliases last |
|
2297 | # show most interesting aliases last | |
2298 | res.extend(showlast) |
|
2298 | res.extend(showlast) | |
2299 | print "Total number of aliases:",len(aliases) |
|
2299 | print "Total number of aliases:",len(aliases) | |
2300 | return res |
|
2300 | return res | |
2301 | try: |
|
2301 | try: | |
2302 | alias,cmd = par.split(None,1) |
|
2302 | alias,cmd = par.split(None,1) | |
2303 | except: |
|
2303 | except: | |
2304 | print OInspect.getdoc(self.magic_alias) |
|
2304 | print OInspect.getdoc(self.magic_alias) | |
2305 | else: |
|
2305 | else: | |
2306 | nargs = cmd.count('%s') |
|
2306 | nargs = cmd.count('%s') | |
2307 | if nargs>0 and cmd.find('%l')>=0: |
|
2307 | if nargs>0 and cmd.find('%l')>=0: | |
2308 | error('The %s and %l specifiers are mutually exclusive ' |
|
2308 | error('The %s and %l specifiers are mutually exclusive ' | |
2309 | 'in alias definitions.') |
|
2309 | 'in alias definitions.') | |
2310 | else: # all looks OK |
|
2310 | else: # all looks OK | |
2311 | self.shell.alias_table[alias] = (nargs,cmd) |
|
2311 | self.shell.alias_table[alias] = (nargs,cmd) | |
2312 | self.shell.alias_table_validate(verbose=0) |
|
2312 | self.shell.alias_table_validate(verbose=0) | |
2313 | # end magic_alias |
|
2313 | # end magic_alias | |
2314 |
|
2314 | |||
2315 | def magic_unalias(self, parameter_s = ''): |
|
2315 | def magic_unalias(self, parameter_s = ''): | |
2316 | """Remove an alias""" |
|
2316 | """Remove an alias""" | |
2317 |
|
2317 | |||
2318 | aname = parameter_s.strip() |
|
2318 | aname = parameter_s.strip() | |
2319 | if aname in self.shell.alias_table: |
|
2319 | if aname in self.shell.alias_table: | |
2320 | del self.shell.alias_table[aname] |
|
2320 | del self.shell.alias_table[aname] | |
2321 | stored = self.db.get('stored_aliases', {} ) |
|
2321 | stored = self.db.get('stored_aliases', {} ) | |
2322 | if aname in stored: |
|
2322 | if aname in stored: | |
2323 | print "Removing %stored alias",aname |
|
2323 | print "Removing %stored alias",aname | |
2324 | del stored[aname] |
|
2324 | del stored[aname] | |
2325 | self.db['stored_aliases'] = stored |
|
2325 | self.db['stored_aliases'] = stored | |
2326 |
|
2326 | |||
2327 |
|
2327 | |||
2328 | def magic_rehashx(self, parameter_s = ''): |
|
2328 | def magic_rehashx(self, parameter_s = ''): | |
2329 | """Update the alias table with all executable files in $PATH. |
|
2329 | """Update the alias table with all executable files in $PATH. | |
2330 |
|
2330 | |||
2331 | This version explicitly checks that every entry in $PATH is a file |
|
2331 | This version explicitly checks that every entry in $PATH is a file | |
2332 | with execute access (os.X_OK), so it is much slower than %rehash. |
|
2332 | with execute access (os.X_OK), so it is much slower than %rehash. | |
2333 |
|
2333 | |||
2334 | Under Windows, it checks executability as a match agains a |
|
2334 | Under Windows, it checks executability as a match agains a | |
2335 | '|'-separated string of extensions, stored in the IPython config |
|
2335 | '|'-separated string of extensions, stored in the IPython config | |
2336 | variable win_exec_ext. This defaults to 'exe|com|bat'. |
|
2336 | variable win_exec_ext. This defaults to 'exe|com|bat'. | |
2337 |
|
2337 | |||
2338 | This function also resets the root module cache of module completer, |
|
2338 | This function also resets the root module cache of module completer, | |
2339 | used on slow filesystems. |
|
2339 | used on slow filesystems. | |
2340 | """ |
|
2340 | """ | |
2341 |
|
2341 | |||
2342 |
|
2342 | |||
2343 | ip = self.api |
|
2343 | ip = self.api | |
2344 |
|
2344 | |||
2345 | # for the benefit of module completer in ipy_completers.py |
|
2345 | # for the benefit of module completer in ipy_completers.py | |
2346 | del ip.db['rootmodules'] |
|
2346 | del ip.db['rootmodules'] | |
2347 |
|
2347 | |||
2348 | path = [os.path.abspath(os.path.expanduser(p)) for p in |
|
2348 | path = [os.path.abspath(os.path.expanduser(p)) for p in | |
2349 | os.environ.get('PATH','').split(os.pathsep)] |
|
2349 | os.environ.get('PATH','').split(os.pathsep)] | |
2350 | path = filter(os.path.isdir,path) |
|
2350 | path = filter(os.path.isdir,path) | |
2351 |
|
2351 | |||
2352 | alias_table = self.shell.alias_table |
|
2352 | alias_table = self.shell.alias_table | |
2353 | syscmdlist = [] |
|
2353 | syscmdlist = [] | |
2354 | if os.name == 'posix': |
|
2354 | if os.name == 'posix': | |
2355 | isexec = lambda fname:os.path.isfile(fname) and \ |
|
2355 | isexec = lambda fname:os.path.isfile(fname) and \ | |
2356 | os.access(fname,os.X_OK) |
|
2356 | os.access(fname,os.X_OK) | |
2357 | else: |
|
2357 | else: | |
2358 |
|
2358 | |||
2359 | try: |
|
2359 | try: | |
2360 | winext = os.environ['pathext'].replace(';','|').replace('.','') |
|
2360 | winext = os.environ['pathext'].replace(';','|').replace('.','') | |
2361 | except KeyError: |
|
2361 | except KeyError: | |
2362 | winext = 'exe|com|bat|py' |
|
2362 | winext = 'exe|com|bat|py' | |
2363 | if 'py' not in winext: |
|
2363 | if 'py' not in winext: | |
2364 | winext += '|py' |
|
2364 | winext += '|py' | |
2365 | execre = re.compile(r'(.*)\.(%s)$' % winext,re.IGNORECASE) |
|
2365 | execre = re.compile(r'(.*)\.(%s)$' % winext,re.IGNORECASE) | |
2366 | isexec = lambda fname:os.path.isfile(fname) and execre.match(fname) |
|
2366 | isexec = lambda fname:os.path.isfile(fname) and execre.match(fname) | |
2367 | savedir = os.getcwd() |
|
2367 | savedir = os.getcwd() | |
2368 | try: |
|
2368 | try: | |
2369 | # write the whole loop for posix/Windows so we don't have an if in |
|
2369 | # write the whole loop for posix/Windows so we don't have an if in | |
2370 | # the innermost part |
|
2370 | # the innermost part | |
2371 | if os.name == 'posix': |
|
2371 | if os.name == 'posix': | |
2372 | for pdir in path: |
|
2372 | for pdir in path: | |
2373 | os.chdir(pdir) |
|
2373 | os.chdir(pdir) | |
2374 | for ff in os.listdir(pdir): |
|
2374 | for ff in os.listdir(pdir): | |
2375 | if isexec(ff) and ff not in self.shell.no_alias: |
|
2375 | if isexec(ff) and ff not in self.shell.no_alias: | |
2376 | # each entry in the alias table must be (N,name), |
|
2376 | # each entry in the alias table must be (N,name), | |
2377 | # where N is the number of positional arguments of the |
|
2377 | # where N is the number of positional arguments of the | |
2378 | # alias. |
|
2378 | # alias. | |
2379 | alias_table[ff] = (0,ff) |
|
2379 | alias_table[ff] = (0,ff) | |
2380 | syscmdlist.append(ff) |
|
2380 | syscmdlist.append(ff) | |
2381 | else: |
|
2381 | else: | |
2382 | for pdir in path: |
|
2382 | for pdir in path: | |
2383 | os.chdir(pdir) |
|
2383 | os.chdir(pdir) | |
2384 | for ff in os.listdir(pdir): |
|
2384 | for ff in os.listdir(pdir): | |
2385 | base, ext = os.path.splitext(ff) |
|
2385 | base, ext = os.path.splitext(ff) | |
2386 | if isexec(ff) and base not in self.shell.no_alias: |
|
2386 | if isexec(ff) and base not in self.shell.no_alias: | |
2387 | if ext.lower() == '.exe': |
|
2387 | if ext.lower() == '.exe': | |
2388 | ff = base |
|
2388 | ff = base | |
2389 | alias_table[base.lower()] = (0,ff) |
|
2389 | alias_table[base.lower()] = (0,ff) | |
2390 | syscmdlist.append(ff) |
|
2390 | syscmdlist.append(ff) | |
2391 | # Make sure the alias table doesn't contain keywords or builtins |
|
2391 | # Make sure the alias table doesn't contain keywords or builtins | |
2392 | self.shell.alias_table_validate() |
|
2392 | self.shell.alias_table_validate() | |
2393 | # Call again init_auto_alias() so we get 'rm -i' and other |
|
2393 | # Call again init_auto_alias() so we get 'rm -i' and other | |
2394 | # modified aliases since %rehashx will probably clobber them |
|
2394 | # modified aliases since %rehashx will probably clobber them | |
2395 |
|
2395 | |||
2396 | # no, we don't want them. if %rehashx clobbers them, good, |
|
2396 | # no, we don't want them. if %rehashx clobbers them, good, | |
2397 | # we'll probably get better versions |
|
2397 | # we'll probably get better versions | |
2398 | # self.shell.init_auto_alias() |
|
2398 | # self.shell.init_auto_alias() | |
2399 | db = ip.db |
|
2399 | db = ip.db | |
2400 | db['syscmdlist'] = syscmdlist |
|
2400 | db['syscmdlist'] = syscmdlist | |
2401 | finally: |
|
2401 | finally: | |
2402 | os.chdir(savedir) |
|
2402 | os.chdir(savedir) | |
2403 |
|
2403 | |||
2404 | def magic_pwd(self, parameter_s = ''): |
|
2404 | def magic_pwd(self, parameter_s = ''): | |
2405 | """Return the current working directory path.""" |
|
2405 | """Return the current working directory path.""" | |
2406 | return os.getcwd() |
|
2406 | return os.getcwd() | |
2407 |
|
2407 | |||
2408 | def magic_cd(self, parameter_s=''): |
|
2408 | def magic_cd(self, parameter_s=''): | |
2409 | """Change the current working directory. |
|
2409 | """Change the current working directory. | |
2410 |
|
2410 | |||
2411 | This command automatically maintains an internal list of directories |
|
2411 | This command automatically maintains an internal list of directories | |
2412 | you visit during your IPython session, in the variable _dh. The |
|
2412 | you visit during your IPython session, in the variable _dh. The | |
2413 | command %dhist shows this history nicely formatted. You can also |
|
2413 | command %dhist shows this history nicely formatted. You can also | |
2414 | do 'cd -<tab>' to see directory history conveniently. |
|
2414 | do 'cd -<tab>' to see directory history conveniently. | |
2415 |
|
2415 | |||
2416 | Usage: |
|
2416 | Usage: | |
2417 |
|
2417 | |||
2418 | cd 'dir': changes to directory 'dir'. |
|
2418 | cd 'dir': changes to directory 'dir'. | |
2419 |
|
2419 | |||
2420 | cd -: changes to the last visited directory. |
|
2420 | cd -: changes to the last visited directory. | |
2421 |
|
2421 | |||
2422 | cd -<n>: changes to the n-th directory in the directory history. |
|
2422 | cd -<n>: changes to the n-th directory in the directory history. | |
2423 |
|
2423 | |||
2424 | cd -b <bookmark_name>: jump to a bookmark set by %bookmark |
|
2424 | cd -b <bookmark_name>: jump to a bookmark set by %bookmark | |
2425 | (note: cd <bookmark_name> is enough if there is no |
|
2425 | (note: cd <bookmark_name> is enough if there is no | |
2426 | directory <bookmark_name>, but a bookmark with the name exists.) |
|
2426 | directory <bookmark_name>, but a bookmark with the name exists.) | |
2427 | 'cd -b <tab>' allows you to tab-complete bookmark names. |
|
2427 | 'cd -b <tab>' allows you to tab-complete bookmark names. | |
2428 |
|
2428 | |||
2429 | Options: |
|
2429 | Options: | |
2430 |
|
2430 | |||
2431 | -q: quiet. Do not print the working directory after the cd command is |
|
2431 | -q: quiet. Do not print the working directory after the cd command is | |
2432 | executed. By default IPython's cd command does print this directory, |
|
2432 | executed. By default IPython's cd command does print this directory, | |
2433 | since the default prompts do not display path information. |
|
2433 | since the default prompts do not display path information. | |
2434 |
|
2434 | |||
2435 | Note that !cd doesn't work for this purpose because the shell where |
|
2435 | Note that !cd doesn't work for this purpose because the shell where | |
2436 | !command runs is immediately discarded after executing 'command'.""" |
|
2436 | !command runs is immediately discarded after executing 'command'.""" | |
2437 |
|
2437 | |||
2438 | parameter_s = parameter_s.strip() |
|
2438 | parameter_s = parameter_s.strip() | |
2439 | #bkms = self.shell.persist.get("bookmarks",{}) |
|
2439 | #bkms = self.shell.persist.get("bookmarks",{}) | |
2440 |
|
2440 | |||
2441 | numcd = re.match(r'(-)(\d+)$',parameter_s) |
|
2441 | numcd = re.match(r'(-)(\d+)$',parameter_s) | |
2442 | # jump in directory history by number |
|
2442 | # jump in directory history by number | |
2443 | if numcd: |
|
2443 | if numcd: | |
2444 | nn = int(numcd.group(2)) |
|
2444 | nn = int(numcd.group(2)) | |
2445 | try: |
|
2445 | try: | |
2446 | ps = self.shell.user_ns['_dh'][nn] |
|
2446 | ps = self.shell.user_ns['_dh'][nn] | |
2447 | except IndexError: |
|
2447 | except IndexError: | |
2448 | print 'The requested directory does not exist in history.' |
|
2448 | print 'The requested directory does not exist in history.' | |
2449 | return |
|
2449 | return | |
2450 | else: |
|
2450 | else: | |
2451 | opts = {} |
|
2451 | opts = {} | |
2452 | else: |
|
2452 | else: | |
2453 | #turn all non-space-escaping backslashes to slashes, |
|
2453 | #turn all non-space-escaping backslashes to slashes, | |
2454 | # for c:\windows\directory\names\ |
|
2454 | # for c:\windows\directory\names\ | |
2455 | parameter_s = re.sub(r'\\(?! )','/', parameter_s) |
|
2455 | parameter_s = re.sub(r'\\(?! )','/', parameter_s) | |
2456 | opts,ps = self.parse_options(parameter_s,'qb',mode='string') |
|
2456 | opts,ps = self.parse_options(parameter_s,'qb',mode='string') | |
2457 | # jump to previous |
|
2457 | # jump to previous | |
2458 | if ps == '-': |
|
2458 | if ps == '-': | |
2459 | try: |
|
2459 | try: | |
2460 | ps = self.shell.user_ns['_dh'][-2] |
|
2460 | ps = self.shell.user_ns['_dh'][-2] | |
2461 | except IndexError: |
|
2461 | except IndexError: | |
2462 | print 'No previous directory to change to.' |
|
2462 | print 'No previous directory to change to.' | |
2463 | return |
|
2463 | return | |
2464 | # jump to bookmark if needed |
|
2464 | # jump to bookmark if needed | |
2465 | else: |
|
2465 | else: | |
2466 | if not os.path.isdir(ps) or opts.has_key('b'): |
|
2466 | if not os.path.isdir(ps) or opts.has_key('b'): | |
2467 | bkms = self.db.get('bookmarks', {}) |
|
2467 | bkms = self.db.get('bookmarks', {}) | |
2468 |
|
2468 | |||
2469 | if bkms.has_key(ps): |
|
2469 | if bkms.has_key(ps): | |
2470 | target = bkms[ps] |
|
2470 | target = bkms[ps] | |
2471 | print '(bookmark:%s) -> %s' % (ps,target) |
|
2471 | print '(bookmark:%s) -> %s' % (ps,target) | |
2472 | ps = target |
|
2472 | ps = target | |
2473 | else: |
|
2473 | else: | |
2474 | if opts.has_key('b'): |
|
2474 | if opts.has_key('b'): | |
2475 | error("Bookmark '%s' not found. " |
|
2475 | error("Bookmark '%s' not found. " | |
2476 | "Use '%%bookmark -l' to see your bookmarks." % ps) |
|
2476 | "Use '%%bookmark -l' to see your bookmarks." % ps) | |
2477 | return |
|
2477 | return | |
2478 |
|
2478 | |||
2479 | # at this point ps should point to the target dir |
|
2479 | # at this point ps should point to the target dir | |
2480 | if ps: |
|
2480 | if ps: | |
2481 | try: |
|
2481 | try: | |
2482 | os.chdir(os.path.expanduser(ps)) |
|
2482 | os.chdir(os.path.expanduser(ps)) | |
2483 | if self.shell.rc.term_title: |
|
2483 | if self.shell.rc.term_title: | |
2484 | #print 'set term title:',self.shell.rc.term_title # dbg |
|
2484 | #print 'set term title:',self.shell.rc.term_title # dbg | |
2485 | ttitle = ("IPy:" + ( |
|
2485 | ttitle = ("IPy:" + ( | |
2486 | os.getcwd() == '/' and '/' or \ |
|
2486 | os.getcwd() == '/' and '/' or \ | |
2487 | os.path.basename(os.getcwd()))) |
|
2487 | os.path.basename(os.getcwd()))) | |
2488 | platutils.set_term_title(ttitle) |
|
2488 | platutils.set_term_title(ttitle) | |
2489 | except OSError: |
|
2489 | except OSError: | |
2490 | print sys.exc_info()[1] |
|
2490 | print sys.exc_info()[1] | |
2491 | else: |
|
2491 | else: | |
2492 | cwd = os.getcwd() |
|
2492 | cwd = os.getcwd() | |
2493 | dhist = self.shell.user_ns['_dh'] |
|
2493 | dhist = self.shell.user_ns['_dh'] | |
2494 | dhist.append(cwd) |
|
2494 | dhist.append(cwd) | |
2495 | self.db['dhist'] = compress_dhist(dhist)[-100:] |
|
2495 | self.db['dhist'] = compress_dhist(dhist)[-100:] | |
2496 |
|
2496 | |||
2497 | else: |
|
2497 | else: | |
2498 | os.chdir(self.shell.home_dir) |
|
2498 | os.chdir(self.shell.home_dir) | |
2499 | if self.shell.rc.term_title: |
|
2499 | if self.shell.rc.term_title: | |
2500 | platutils.set_term_title("IPy:~") |
|
2500 | platutils.set_term_title("IPy:~") | |
2501 | cwd = os.getcwd() |
|
2501 | cwd = os.getcwd() | |
2502 | dhist = self.shell.user_ns['_dh'] |
|
2502 | dhist = self.shell.user_ns['_dh'] | |
2503 | dhist.append(cwd) |
|
2503 | dhist.append(cwd) | |
2504 | self.db['dhist'] = compress_dhist(dhist)[-100:] |
|
2504 | self.db['dhist'] = compress_dhist(dhist)[-100:] | |
2505 | if not 'q' in opts: |
|
2505 | if not 'q' in opts: | |
2506 | print self.shell.user_ns['_dh'][-1] |
|
2506 | print self.shell.user_ns['_dh'][-1] | |
2507 |
|
2507 | |||
2508 |
|
2508 | |||
2509 | def magic_env(self, parameter_s=''): |
|
2509 | def magic_env(self, parameter_s=''): | |
2510 | """List environment variables.""" |
|
2510 | """List environment variables.""" | |
2511 |
|
2511 | |||
2512 | return os.environ.data |
|
2512 | return os.environ.data | |
2513 |
|
2513 | |||
2514 | def magic_pushd(self, parameter_s=''): |
|
2514 | def magic_pushd(self, parameter_s=''): | |
2515 | """Place the current dir on stack and change directory. |
|
2515 | """Place the current dir on stack and change directory. | |
2516 |
|
2516 | |||
2517 | Usage:\\ |
|
2517 | Usage:\\ | |
2518 | %pushd ['dirname'] |
|
2518 | %pushd ['dirname'] | |
2519 |
|
2519 | |||
2520 | %pushd with no arguments does a %pushd to your home directory. |
|
2520 | %pushd with no arguments does a %pushd to your home directory. | |
2521 | """ |
|
2521 | """ | |
2522 | if parameter_s == '': parameter_s = '~' |
|
2522 | if parameter_s == '': parameter_s = '~' | |
2523 | dir_s = self.shell.dir_stack |
|
2523 | dir_s = self.shell.dir_stack | |
2524 | if len(dir_s)>0 and os.path.expanduser(parameter_s) != \ |
|
2524 | if len(dir_s)>0 and os.path.expanduser(parameter_s) != \ | |
2525 | os.path.expanduser(self.shell.dir_stack[0]): |
|
2525 | os.path.expanduser(self.shell.dir_stack[0]): | |
2526 | try: |
|
2526 | try: | |
2527 | self.magic_cd(parameter_s) |
|
2527 | self.magic_cd(parameter_s) | |
2528 | dir_s.insert(0,os.getcwd().replace(self.home_dir,'~')) |
|
2528 | dir_s.insert(0,os.getcwd().replace(self.home_dir,'~')) | |
2529 | self.magic_dirs() |
|
2529 | self.magic_dirs() | |
2530 | except: |
|
2530 | except: | |
2531 | print 'Invalid directory' |
|
2531 | print 'Invalid directory' | |
2532 | else: |
|
2532 | else: | |
2533 | print 'You are already there!' |
|
2533 | print 'You are already there!' | |
2534 |
|
2534 | |||
2535 | def magic_popd(self, parameter_s=''): |
|
2535 | def magic_popd(self, parameter_s=''): | |
2536 | """Change to directory popped off the top of the stack. |
|
2536 | """Change to directory popped off the top of the stack. | |
2537 | """ |
|
2537 | """ | |
2538 | if len (self.shell.dir_stack) > 1: |
|
2538 | if len (self.shell.dir_stack) > 1: | |
2539 | self.shell.dir_stack.pop(0) |
|
2539 | self.shell.dir_stack.pop(0) | |
2540 | self.magic_cd(self.shell.dir_stack[0]) |
|
2540 | self.magic_cd(self.shell.dir_stack[0]) | |
2541 | print self.shell.dir_stack[0] |
|
2541 | print self.shell.dir_stack[0] | |
2542 | else: |
|
2542 | else: | |
2543 | print "You can't remove the starting directory from the stack:",\ |
|
2543 | print "You can't remove the starting directory from the stack:",\ | |
2544 | self.shell.dir_stack |
|
2544 | self.shell.dir_stack | |
2545 |
|
2545 | |||
2546 | def magic_dirs(self, parameter_s=''): |
|
2546 | def magic_dirs(self, parameter_s=''): | |
2547 | """Return the current directory stack.""" |
|
2547 | """Return the current directory stack.""" | |
2548 |
|
2548 | |||
2549 | return self.shell.dir_stack[:] |
|
2549 | return self.shell.dir_stack[:] | |
2550 |
|
2550 | |||
2551 | def magic_sc(self, parameter_s=''): |
|
2551 | def magic_sc(self, parameter_s=''): | |
2552 | """Shell capture - execute a shell command and capture its output. |
|
2552 | """Shell capture - execute a shell command and capture its output. | |
2553 |
|
2553 | |||
2554 | DEPRECATED. Suboptimal, retained for backwards compatibility. |
|
2554 | DEPRECATED. Suboptimal, retained for backwards compatibility. | |
2555 |
|
2555 | |||
2556 | You should use the form 'var = !command' instead. Example: |
|
2556 | You should use the form 'var = !command' instead. Example: | |
2557 |
|
2557 | |||
2558 | "%sc -l myfiles = ls ~" should now be written as |
|
2558 | "%sc -l myfiles = ls ~" should now be written as | |
2559 |
|
2559 | |||
2560 | "myfiles = !ls ~" |
|
2560 | "myfiles = !ls ~" | |
2561 |
|
2561 | |||
2562 | myfiles.s, myfiles.l and myfiles.n still apply as documented |
|
2562 | myfiles.s, myfiles.l and myfiles.n still apply as documented | |
2563 | below. |
|
2563 | below. | |
2564 |
|
2564 | |||
2565 | -- |
|
2565 | -- | |
2566 | %sc [options] varname=command |
|
2566 | %sc [options] varname=command | |
2567 |
|
2567 | |||
2568 | IPython will run the given command using commands.getoutput(), and |
|
2568 | IPython will run the given command using commands.getoutput(), and | |
2569 | will then update the user's interactive namespace with a variable |
|
2569 | will then update the user's interactive namespace with a variable | |
2570 | called varname, containing the value of the call. Your command can |
|
2570 | called varname, containing the value of the call. Your command can | |
2571 | contain shell wildcards, pipes, etc. |
|
2571 | contain shell wildcards, pipes, etc. | |
2572 |
|
2572 | |||
2573 | The '=' sign in the syntax is mandatory, and the variable name you |
|
2573 | The '=' sign in the syntax is mandatory, and the variable name you | |
2574 | supply must follow Python's standard conventions for valid names. |
|
2574 | supply must follow Python's standard conventions for valid names. | |
2575 |
|
2575 | |||
2576 | (A special format without variable name exists for internal use) |
|
2576 | (A special format without variable name exists for internal use) | |
2577 |
|
2577 | |||
2578 | Options: |
|
2578 | Options: | |
2579 |
|
2579 | |||
2580 | -l: list output. Split the output on newlines into a list before |
|
2580 | -l: list output. Split the output on newlines into a list before | |
2581 | assigning it to the given variable. By default the output is stored |
|
2581 | assigning it to the given variable. By default the output is stored | |
2582 | as a single string. |
|
2582 | as a single string. | |
2583 |
|
2583 | |||
2584 | -v: verbose. Print the contents of the variable. |
|
2584 | -v: verbose. Print the contents of the variable. | |
2585 |
|
2585 | |||
2586 | In most cases you should not need to split as a list, because the |
|
2586 | In most cases you should not need to split as a list, because the | |
2587 | returned value is a special type of string which can automatically |
|
2587 | returned value is a special type of string which can automatically | |
2588 | provide its contents either as a list (split on newlines) or as a |
|
2588 | provide its contents either as a list (split on newlines) or as a | |
2589 | space-separated string. These are convenient, respectively, either |
|
2589 | space-separated string. These are convenient, respectively, either | |
2590 | for sequential processing or to be passed to a shell command. |
|
2590 | for sequential processing or to be passed to a shell command. | |
2591 |
|
2591 | |||
2592 | For example: |
|
2592 | For example: | |
2593 |
|
2593 | |||
2594 | # Capture into variable a |
|
2594 | # Capture into variable a | |
2595 | In [9]: sc a=ls *py |
|
2595 | In [9]: sc a=ls *py | |
2596 |
|
2596 | |||
2597 | # a is a string with embedded newlines |
|
2597 | # a is a string with embedded newlines | |
2598 | In [10]: a |
|
2598 | In [10]: a | |
2599 | Out[10]: 'setup.py\nwin32_manual_post_install.py' |
|
2599 | Out[10]: 'setup.py\nwin32_manual_post_install.py' | |
2600 |
|
2600 | |||
2601 | # which can be seen as a list: |
|
2601 | # which can be seen as a list: | |
2602 | In [11]: a.l |
|
2602 | In [11]: a.l | |
2603 | Out[11]: ['setup.py', 'win32_manual_post_install.py'] |
|
2603 | Out[11]: ['setup.py', 'win32_manual_post_install.py'] | |
2604 |
|
2604 | |||
2605 | # or as a whitespace-separated string: |
|
2605 | # or as a whitespace-separated string: | |
2606 | In [12]: a.s |
|
2606 | In [12]: a.s | |
2607 | Out[12]: 'setup.py win32_manual_post_install.py' |
|
2607 | Out[12]: 'setup.py win32_manual_post_install.py' | |
2608 |
|
2608 | |||
2609 | # a.s is useful to pass as a single command line: |
|
2609 | # a.s is useful to pass as a single command line: | |
2610 | In [13]: !wc -l $a.s |
|
2610 | In [13]: !wc -l $a.s | |
2611 | 146 setup.py |
|
2611 | 146 setup.py | |
2612 | 130 win32_manual_post_install.py |
|
2612 | 130 win32_manual_post_install.py | |
2613 | 276 total |
|
2613 | 276 total | |
2614 |
|
2614 | |||
2615 | # while the list form is useful to loop over: |
|
2615 | # while the list form is useful to loop over: | |
2616 | In [14]: for f in a.l: |
|
2616 | In [14]: for f in a.l: | |
2617 | ....: !wc -l $f |
|
2617 | ....: !wc -l $f | |
2618 | ....: |
|
2618 | ....: | |
2619 | 146 setup.py |
|
2619 | 146 setup.py | |
2620 | 130 win32_manual_post_install.py |
|
2620 | 130 win32_manual_post_install.py | |
2621 |
|
2621 | |||
2622 | Similiarly, the lists returned by the -l option are also special, in |
|
2622 | Similiarly, the lists returned by the -l option are also special, in | |
2623 | the sense that you can equally invoke the .s attribute on them to |
|
2623 | the sense that you can equally invoke the .s attribute on them to | |
2624 | automatically get a whitespace-separated string from their contents: |
|
2624 | automatically get a whitespace-separated string from their contents: | |
2625 |
|
2625 | |||
2626 | In [1]: sc -l b=ls *py |
|
2626 | In [1]: sc -l b=ls *py | |
2627 |
|
2627 | |||
2628 | In [2]: b |
|
2628 | In [2]: b | |
2629 | Out[2]: ['setup.py', 'win32_manual_post_install.py'] |
|
2629 | Out[2]: ['setup.py', 'win32_manual_post_install.py'] | |
2630 |
|
2630 | |||
2631 | In [3]: b.s |
|
2631 | In [3]: b.s | |
2632 | Out[3]: 'setup.py win32_manual_post_install.py' |
|
2632 | Out[3]: 'setup.py win32_manual_post_install.py' | |
2633 |
|
2633 | |||
2634 | In summary, both the lists and strings used for ouptut capture have |
|
2634 | In summary, both the lists and strings used for ouptut capture have | |
2635 | the following special attributes: |
|
2635 | the following special attributes: | |
2636 |
|
2636 | |||
2637 | .l (or .list) : value as list. |
|
2637 | .l (or .list) : value as list. | |
2638 | .n (or .nlstr): value as newline-separated string. |
|
2638 | .n (or .nlstr): value as newline-separated string. | |
2639 | .s (or .spstr): value as space-separated string. |
|
2639 | .s (or .spstr): value as space-separated string. | |
2640 | """ |
|
2640 | """ | |
2641 |
|
2641 | |||
2642 | opts,args = self.parse_options(parameter_s,'lv') |
|
2642 | opts,args = self.parse_options(parameter_s,'lv') | |
2643 | # Try to get a variable name and command to run |
|
2643 | # Try to get a variable name and command to run | |
2644 | try: |
|
2644 | try: | |
2645 | # the variable name must be obtained from the parse_options |
|
2645 | # the variable name must be obtained from the parse_options | |
2646 | # output, which uses shlex.split to strip options out. |
|
2646 | # output, which uses shlex.split to strip options out. | |
2647 | var,_ = args.split('=',1) |
|
2647 | var,_ = args.split('=',1) | |
2648 | var = var.strip() |
|
2648 | var = var.strip() | |
2649 | # But the the command has to be extracted from the original input |
|
2649 | # But the the command has to be extracted from the original input | |
2650 | # parameter_s, not on what parse_options returns, to avoid the |
|
2650 | # parameter_s, not on what parse_options returns, to avoid the | |
2651 | # quote stripping which shlex.split performs on it. |
|
2651 | # quote stripping which shlex.split performs on it. | |
2652 | _,cmd = parameter_s.split('=',1) |
|
2652 | _,cmd = parameter_s.split('=',1) | |
2653 | except ValueError: |
|
2653 | except ValueError: | |
2654 | var,cmd = '','' |
|
2654 | var,cmd = '','' | |
2655 | # If all looks ok, proceed |
|
2655 | # If all looks ok, proceed | |
2656 | out,err = self.shell.getoutputerror(cmd) |
|
2656 | out,err = self.shell.getoutputerror(cmd) | |
2657 | if err: |
|
2657 | if err: | |
2658 | print >> Term.cerr,err |
|
2658 | print >> Term.cerr,err | |
2659 | if opts.has_key('l'): |
|
2659 | if opts.has_key('l'): | |
2660 | out = SList(out.split('\n')) |
|
2660 | out = SList(out.split('\n')) | |
2661 | else: |
|
2661 | else: | |
2662 | out = LSString(out) |
|
2662 | out = LSString(out) | |
2663 | if opts.has_key('v'): |
|
2663 | if opts.has_key('v'): | |
2664 | print '%s ==\n%s' % (var,pformat(out)) |
|
2664 | print '%s ==\n%s' % (var,pformat(out)) | |
2665 | if var: |
|
2665 | if var: | |
2666 | self.shell.user_ns.update({var:out}) |
|
2666 | self.shell.user_ns.update({var:out}) | |
2667 | else: |
|
2667 | else: | |
2668 | return out |
|
2668 | return out | |
2669 |
|
2669 | |||
2670 | def magic_sx(self, parameter_s=''): |
|
2670 | def magic_sx(self, parameter_s=''): | |
2671 | """Shell execute - run a shell command and capture its output. |
|
2671 | """Shell execute - run a shell command and capture its output. | |
2672 |
|
2672 | |||
2673 | %sx command |
|
2673 | %sx command | |
2674 |
|
2674 | |||
2675 | IPython will run the given command using commands.getoutput(), and |
|
2675 | IPython will run the given command using commands.getoutput(), and | |
2676 | return the result formatted as a list (split on '\\n'). Since the |
|
2676 | return the result formatted as a list (split on '\\n'). Since the | |
2677 | output is _returned_, it will be stored in ipython's regular output |
|
2677 | output is _returned_, it will be stored in ipython's regular output | |
2678 | cache Out[N] and in the '_N' automatic variables. |
|
2678 | cache Out[N] and in the '_N' automatic variables. | |
2679 |
|
2679 | |||
2680 | Notes: |
|
2680 | Notes: | |
2681 |
|
2681 | |||
2682 | 1) If an input line begins with '!!', then %sx is automatically |
|
2682 | 1) If an input line begins with '!!', then %sx is automatically | |
2683 | invoked. That is, while: |
|
2683 | invoked. That is, while: | |
2684 | !ls |
|
2684 | !ls | |
2685 | causes ipython to simply issue system('ls'), typing |
|
2685 | causes ipython to simply issue system('ls'), typing | |
2686 | !!ls |
|
2686 | !!ls | |
2687 | is a shorthand equivalent to: |
|
2687 | is a shorthand equivalent to: | |
2688 | %sx ls |
|
2688 | %sx ls | |
2689 |
|
2689 | |||
2690 | 2) %sx differs from %sc in that %sx automatically splits into a list, |
|
2690 | 2) %sx differs from %sc in that %sx automatically splits into a list, | |
2691 | like '%sc -l'. The reason for this is to make it as easy as possible |
|
2691 | like '%sc -l'. The reason for this is to make it as easy as possible | |
2692 | to process line-oriented shell output via further python commands. |
|
2692 | to process line-oriented shell output via further python commands. | |
2693 | %sc is meant to provide much finer control, but requires more |
|
2693 | %sc is meant to provide much finer control, but requires more | |
2694 | typing. |
|
2694 | typing. | |
2695 |
|
2695 | |||
2696 | 3) Just like %sc -l, this is a list with special attributes: |
|
2696 | 3) Just like %sc -l, this is a list with special attributes: | |
2697 |
|
2697 | |||
2698 | .l (or .list) : value as list. |
|
2698 | .l (or .list) : value as list. | |
2699 | .n (or .nlstr): value as newline-separated string. |
|
2699 | .n (or .nlstr): value as newline-separated string. | |
2700 | .s (or .spstr): value as whitespace-separated string. |
|
2700 | .s (or .spstr): value as whitespace-separated string. | |
2701 |
|
2701 | |||
2702 | This is very useful when trying to use such lists as arguments to |
|
2702 | This is very useful when trying to use such lists as arguments to | |
2703 | system commands.""" |
|
2703 | system commands.""" | |
2704 |
|
2704 | |||
2705 | if parameter_s: |
|
2705 | if parameter_s: | |
2706 | out,err = self.shell.getoutputerror(parameter_s) |
|
2706 | out,err = self.shell.getoutputerror(parameter_s) | |
2707 | if err: |
|
2707 | if err: | |
2708 | print >> Term.cerr,err |
|
2708 | print >> Term.cerr,err | |
2709 | return SList(out.split('\n')) |
|
2709 | return SList(out.split('\n')) | |
2710 |
|
2710 | |||
2711 | def magic_bg(self, parameter_s=''): |
|
2711 | def magic_bg(self, parameter_s=''): | |
2712 | """Run a job in the background, in a separate thread. |
|
2712 | """Run a job in the background, in a separate thread. | |
2713 |
|
2713 | |||
2714 | For example, |
|
2714 | For example, | |
2715 |
|
2715 | |||
2716 | %bg myfunc(x,y,z=1) |
|
2716 | %bg myfunc(x,y,z=1) | |
2717 |
|
2717 | |||
2718 | will execute 'myfunc(x,y,z=1)' in a background thread. As soon as the |
|
2718 | will execute 'myfunc(x,y,z=1)' in a background thread. As soon as the | |
2719 | execution starts, a message will be printed indicating the job |
|
2719 | execution starts, a message will be printed indicating the job | |
2720 | number. If your job number is 5, you can use |
|
2720 | number. If your job number is 5, you can use | |
2721 |
|
2721 | |||
2722 | myvar = jobs.result(5) or myvar = jobs[5].result |
|
2722 | myvar = jobs.result(5) or myvar = jobs[5].result | |
2723 |
|
2723 | |||
2724 | to assign this result to variable 'myvar'. |
|
2724 | to assign this result to variable 'myvar'. | |
2725 |
|
2725 | |||
2726 | IPython has a job manager, accessible via the 'jobs' object. You can |
|
2726 | IPython has a job manager, accessible via the 'jobs' object. You can | |
2727 | type jobs? to get more information about it, and use jobs.<TAB> to see |
|
2727 | type jobs? to get more information about it, and use jobs.<TAB> to see | |
2728 | its attributes. All attributes not starting with an underscore are |
|
2728 | its attributes. All attributes not starting with an underscore are | |
2729 | meant for public use. |
|
2729 | meant for public use. | |
2730 |
|
2730 | |||
2731 | In particular, look at the jobs.new() method, which is used to create |
|
2731 | In particular, look at the jobs.new() method, which is used to create | |
2732 | new jobs. This magic %bg function is just a convenience wrapper |
|
2732 | new jobs. This magic %bg function is just a convenience wrapper | |
2733 | around jobs.new(), for expression-based jobs. If you want to create a |
|
2733 | around jobs.new(), for expression-based jobs. If you want to create a | |
2734 | new job with an explicit function object and arguments, you must call |
|
2734 | new job with an explicit function object and arguments, you must call | |
2735 | jobs.new() directly. |
|
2735 | jobs.new() directly. | |
2736 |
|
2736 | |||
2737 | The jobs.new docstring also describes in detail several important |
|
2737 | The jobs.new docstring also describes in detail several important | |
2738 | caveats associated with a thread-based model for background job |
|
2738 | caveats associated with a thread-based model for background job | |
2739 | execution. Type jobs.new? for details. |
|
2739 | execution. Type jobs.new? for details. | |
2740 |
|
2740 | |||
2741 | You can check the status of all jobs with jobs.status(). |
|
2741 | You can check the status of all jobs with jobs.status(). | |
2742 |
|
2742 | |||
2743 | The jobs variable is set by IPython into the Python builtin namespace. |
|
2743 | The jobs variable is set by IPython into the Python builtin namespace. | |
2744 | If you ever declare a variable named 'jobs', you will shadow this |
|
2744 | If you ever declare a variable named 'jobs', you will shadow this | |
2745 | name. You can either delete your global jobs variable to regain |
|
2745 | name. You can either delete your global jobs variable to regain | |
2746 | access to the job manager, or make a new name and assign it manually |
|
2746 | access to the job manager, or make a new name and assign it manually | |
2747 | to the manager (stored in IPython's namespace). For example, to |
|
2747 | to the manager (stored in IPython's namespace). For example, to | |
2748 | assign the job manager to the Jobs name, use: |
|
2748 | assign the job manager to the Jobs name, use: | |
2749 |
|
2749 | |||
2750 | Jobs = __builtins__.jobs""" |
|
2750 | Jobs = __builtins__.jobs""" | |
2751 |
|
2751 | |||
2752 | self.shell.jobs.new(parameter_s,self.shell.user_ns) |
|
2752 | self.shell.jobs.new(parameter_s,self.shell.user_ns) | |
2753 |
|
2753 | |||
2754 |
|
2754 | |||
2755 | def magic_bookmark(self, parameter_s=''): |
|
2755 | def magic_bookmark(self, parameter_s=''): | |
2756 | """Manage IPython's bookmark system. |
|
2756 | """Manage IPython's bookmark system. | |
2757 |
|
2757 | |||
2758 | %bookmark <name> - set bookmark to current dir |
|
2758 | %bookmark <name> - set bookmark to current dir | |
2759 | %bookmark <name> <dir> - set bookmark to <dir> |
|
2759 | %bookmark <name> <dir> - set bookmark to <dir> | |
2760 | %bookmark -l - list all bookmarks |
|
2760 | %bookmark -l - list all bookmarks | |
2761 | %bookmark -d <name> - remove bookmark |
|
2761 | %bookmark -d <name> - remove bookmark | |
2762 | %bookmark -r - remove all bookmarks |
|
2762 | %bookmark -r - remove all bookmarks | |
2763 |
|
2763 | |||
2764 | You can later on access a bookmarked folder with: |
|
2764 | You can later on access a bookmarked folder with: | |
2765 | %cd -b <name> |
|
2765 | %cd -b <name> | |
2766 | or simply '%cd <name>' if there is no directory called <name> AND |
|
2766 | or simply '%cd <name>' if there is no directory called <name> AND | |
2767 | there is such a bookmark defined. |
|
2767 | there is such a bookmark defined. | |
2768 |
|
2768 | |||
2769 | Your bookmarks persist through IPython sessions, but they are |
|
2769 | Your bookmarks persist through IPython sessions, but they are | |
2770 | associated with each profile.""" |
|
2770 | associated with each profile.""" | |
2771 |
|
2771 | |||
2772 | opts,args = self.parse_options(parameter_s,'drl',mode='list') |
|
2772 | opts,args = self.parse_options(parameter_s,'drl',mode='list') | |
2773 | if len(args) > 2: |
|
2773 | if len(args) > 2: | |
2774 | error('You can only give at most two arguments') |
|
2774 | error('You can only give at most two arguments') | |
2775 | return |
|
2775 | return | |
2776 |
|
2776 | |||
2777 | bkms = self.db.get('bookmarks',{}) |
|
2777 | bkms = self.db.get('bookmarks',{}) | |
2778 |
|
2778 | |||
2779 | if opts.has_key('d'): |
|
2779 | if opts.has_key('d'): | |
2780 | try: |
|
2780 | try: | |
2781 | todel = args[0] |
|
2781 | todel = args[0] | |
2782 | except IndexError: |
|
2782 | except IndexError: | |
2783 | error('You must provide a bookmark to delete') |
|
2783 | error('You must provide a bookmark to delete') | |
2784 | else: |
|
2784 | else: | |
2785 | try: |
|
2785 | try: | |
2786 | del bkms[todel] |
|
2786 | del bkms[todel] | |
2787 | except: |
|
2787 | except: | |
2788 | error("Can't delete bookmark '%s'" % todel) |
|
2788 | error("Can't delete bookmark '%s'" % todel) | |
2789 | elif opts.has_key('r'): |
|
2789 | elif opts.has_key('r'): | |
2790 | bkms = {} |
|
2790 | bkms = {} | |
2791 | elif opts.has_key('l'): |
|
2791 | elif opts.has_key('l'): | |
2792 | bks = bkms.keys() |
|
2792 | bks = bkms.keys() | |
2793 | bks.sort() |
|
2793 | bks.sort() | |
2794 | if bks: |
|
2794 | if bks: | |
2795 | size = max(map(len,bks)) |
|
2795 | size = max(map(len,bks)) | |
2796 | else: |
|
2796 | else: | |
2797 | size = 0 |
|
2797 | size = 0 | |
2798 | fmt = '%-'+str(size)+'s -> %s' |
|
2798 | fmt = '%-'+str(size)+'s -> %s' | |
2799 | print 'Current bookmarks:' |
|
2799 | print 'Current bookmarks:' | |
2800 | for bk in bks: |
|
2800 | for bk in bks: | |
2801 | print fmt % (bk,bkms[bk]) |
|
2801 | print fmt % (bk,bkms[bk]) | |
2802 | else: |
|
2802 | else: | |
2803 | if not args: |
|
2803 | if not args: | |
2804 | error("You must specify the bookmark name") |
|
2804 | error("You must specify the bookmark name") | |
2805 | elif len(args)==1: |
|
2805 | elif len(args)==1: | |
2806 | bkms[args[0]] = os.getcwd() |
|
2806 | bkms[args[0]] = os.getcwd() | |
2807 | elif len(args)==2: |
|
2807 | elif len(args)==2: | |
2808 | bkms[args[0]] = args[1] |
|
2808 | bkms[args[0]] = args[1] | |
2809 | self.db['bookmarks'] = bkms |
|
2809 | self.db['bookmarks'] = bkms | |
2810 |
|
2810 | |||
2811 | def magic_pycat(self, parameter_s=''): |
|
2811 | def magic_pycat(self, parameter_s=''): | |
2812 | """Show a syntax-highlighted file through a pager. |
|
2812 | """Show a syntax-highlighted file through a pager. | |
2813 |
|
2813 | |||
2814 | This magic is similar to the cat utility, but it will assume the file |
|
2814 | This magic is similar to the cat utility, but it will assume the file | |
2815 | to be Python source and will show it with syntax highlighting. """ |
|
2815 | to be Python source and will show it with syntax highlighting. """ | |
2816 |
|
2816 | |||
2817 | try: |
|
2817 | try: | |
2818 | filename = get_py_filename(parameter_s) |
|
2818 | filename = get_py_filename(parameter_s) | |
2819 | cont = file_read(filename) |
|
2819 | cont = file_read(filename) | |
2820 | except IOError: |
|
2820 | except IOError: | |
2821 | try: |
|
2821 | try: | |
2822 | cont = eval(parameter_s,self.user_ns) |
|
2822 | cont = eval(parameter_s,self.user_ns) | |
2823 | except NameError: |
|
2823 | except NameError: | |
2824 | cont = None |
|
2824 | cont = None | |
2825 | if cont is None: |
|
2825 | if cont is None: | |
2826 | print "Error: no such file or variable" |
|
2826 | print "Error: no such file or variable" | |
2827 | return |
|
2827 | return | |
2828 |
|
2828 | |||
2829 | page(self.shell.pycolorize(cont), |
|
2829 | page(self.shell.pycolorize(cont), | |
2830 | screen_lines=self.shell.rc.screen_length) |
|
2830 | screen_lines=self.shell.rc.screen_length) | |
2831 |
|
2831 | |||
2832 | def magic_cpaste(self, parameter_s=''): |
|
2832 | def magic_cpaste(self, parameter_s=''): | |
2833 | """Allows you to paste & execute a pre-formatted code block from clipboard |
|
2833 | """Allows you to paste & execute a pre-formatted code block from clipboard | |
2834 |
|
2834 | |||
2835 | You must terminate the block with '--' (two minus-signs) alone on the |
|
2835 | You must terminate the block with '--' (two minus-signs) alone on the | |
2836 | line. You can also provide your own sentinel with '%paste -s %%' ('%%' |
|
2836 | line. You can also provide your own sentinel with '%paste -s %%' ('%%' | |
2837 | is the new sentinel for this operation) |
|
2837 | is the new sentinel for this operation) | |
2838 |
|
2838 | |||
2839 | The block is dedented prior to execution to enable execution of method |
|
2839 | The block is dedented prior to execution to enable execution of method | |
2840 | definitions. '>' and '+' characters at the beginning of a line are |
|
2840 | definitions. '>' and '+' characters at the beginning of a line are | |
2841 | ignored, to allow pasting directly from e-mails or diff files. The |
|
2841 | ignored, to allow pasting directly from e-mails or diff files. The | |
2842 | executed block is also assigned to variable named 'pasted_block' for |
|
2842 | executed block is also assigned to variable named 'pasted_block' for | |
2843 | later editing with '%edit pasted_block'. |
|
2843 | later editing with '%edit pasted_block'. | |
2844 |
|
2844 | |||
2845 | You can also pass a variable name as an argument, e.g. '%cpaste foo'. |
|
2845 | You can also pass a variable name as an argument, e.g. '%cpaste foo'. | |
2846 | This assigns the pasted block to variable 'foo' as string, without |
|
2846 | This assigns the pasted block to variable 'foo' as string, without | |
2847 | dedenting or executing it. |
|
2847 | dedenting or executing it. | |
2848 |
|
2848 | |||
2849 | Do not be alarmed by garbled output on Windows (it's a readline bug). |
|
2849 | Do not be alarmed by garbled output on Windows (it's a readline bug). | |
2850 | Just press enter and type -- (and press enter again) and the block |
|
2850 | Just press enter and type -- (and press enter again) and the block | |
2851 | will be what was just pasted. |
|
2851 | will be what was just pasted. | |
2852 |
|
2852 | |||
2853 | IPython statements (magics, shell escapes) are not supported (yet). |
|
2853 | IPython statements (magics, shell escapes) are not supported (yet). | |
2854 | """ |
|
2854 | """ | |
2855 | opts,args = self.parse_options(parameter_s,'s:',mode='string') |
|
2855 | opts,args = self.parse_options(parameter_s,'s:',mode='string') | |
2856 | par = args.strip() |
|
2856 | par = args.strip() | |
2857 | sentinel = opts.get('s','--') |
|
2857 | sentinel = opts.get('s','--') | |
2858 |
|
2858 | |||
2859 | from IPython import iplib |
|
2859 | from IPython import iplib | |
2860 | lines = [] |
|
2860 | lines = [] | |
2861 | print "Pasting code; enter '%s' alone on the line to stop." % sentinel |
|
2861 | print "Pasting code; enter '%s' alone on the line to stop." % sentinel | |
2862 | while 1: |
|
2862 | while 1: | |
2863 | l = iplib.raw_input_original(':') |
|
2863 | l = iplib.raw_input_original(':') | |
2864 | if l ==sentinel: |
|
2864 | if l ==sentinel: | |
2865 | break |
|
2865 | break | |
2866 | lines.append(l.lstrip('>').lstrip('+')) |
|
2866 | lines.append(l.lstrip('>').lstrip('+')) | |
2867 | block = "\n".join(lines) + '\n' |
|
2867 | block = "\n".join(lines) + '\n' | |
2868 | #print "block:\n",block |
|
2868 | #print "block:\n",block | |
2869 | if not par: |
|
2869 | if not par: | |
2870 | b = textwrap.dedent(block) |
|
2870 | b = textwrap.dedent(block) | |
2871 | exec b in self.user_ns |
|
2871 | exec b in self.user_ns | |
2872 | self.user_ns['pasted_block'] = b |
|
2872 | self.user_ns['pasted_block'] = b | |
2873 | else: |
|
2873 | else: | |
2874 | self.user_ns[par] = block |
|
2874 | self.user_ns[par] = block | |
2875 | print "Block assigned to '%s'" % par |
|
2875 | print "Block assigned to '%s'" % par | |
2876 |
|
2876 | |||
2877 | def magic_quickref(self,arg): |
|
2877 | def magic_quickref(self,arg): | |
2878 | """ Show a quick reference sheet """ |
|
2878 | """ Show a quick reference sheet """ | |
2879 | import IPython.usage |
|
2879 | import IPython.usage | |
2880 | qr = IPython.usage.quick_reference + self.magic_magic('-brief') |
|
2880 | qr = IPython.usage.quick_reference + self.magic_magic('-brief') | |
2881 |
|
2881 | |||
2882 | page(qr) |
|
2882 | page(qr) | |
2883 |
|
2883 | |||
2884 | def magic_upgrade(self,arg): |
|
2884 | def magic_upgrade(self,arg): | |
2885 | """ Upgrade your IPython installation |
|
2885 | """ Upgrade your IPython installation | |
2886 |
|
2886 | |||
2887 | This will copy the config files that don't yet exist in your |
|
2887 | This will copy the config files that don't yet exist in your | |
2888 | ipython dir from the system config dir. Use this after upgrading |
|
2888 | ipython dir from the system config dir. Use this after upgrading | |
2889 | IPython if you don't wish to delete your .ipython dir. |
|
2889 | IPython if you don't wish to delete your .ipython dir. | |
2890 |
|
2890 | |||
2891 | Call with -nolegacy to get rid of ipythonrc* files (recommended for |
|
2891 | Call with -nolegacy to get rid of ipythonrc* files (recommended for | |
2892 | new users) |
|
2892 | new users) | |
2893 |
|
2893 | |||
2894 | """ |
|
2894 | """ | |
2895 | ip = self.getapi() |
|
2895 | ip = self.getapi() | |
2896 | ipinstallation = path(IPython.__file__).dirname() |
|
2896 | ipinstallation = path(IPython.__file__).dirname() | |
2897 | upgrade_script = '%s "%s"' % (sys.executable,ipinstallation / 'upgrade_dir.py') |
|
2897 | upgrade_script = '%s "%s"' % (sys.executable,ipinstallation / 'upgrade_dir.py') | |
2898 | src_config = ipinstallation / 'UserConfig' |
|
2898 | src_config = ipinstallation / 'UserConfig' | |
2899 | userdir = path(ip.options.ipythondir) |
|
2899 | userdir = path(ip.options.ipythondir) | |
2900 | cmd = '%s "%s" "%s"' % (upgrade_script, src_config, userdir) |
|
2900 | cmd = '%s "%s" "%s"' % (upgrade_script, src_config, userdir) | |
2901 | print ">",cmd |
|
2901 | print ">",cmd | |
2902 | shell(cmd) |
|
2902 | shell(cmd) | |
2903 | if arg == '-nolegacy': |
|
2903 | if arg == '-nolegacy': | |
2904 | legacy = userdir.files('ipythonrc*') |
|
2904 | legacy = userdir.files('ipythonrc*') | |
2905 | print "Nuking legacy files:",legacy |
|
2905 | print "Nuking legacy files:",legacy | |
2906 |
|
2906 | |||
2907 | [p.remove() for p in legacy] |
|
2907 | [p.remove() for p in legacy] | |
2908 | suffix = (sys.platform == 'win32' and '.ini' or '') |
|
2908 | suffix = (sys.platform == 'win32' and '.ini' or '') | |
2909 | (userdir / ('ipythonrc' + suffix)).write_text('# Empty, see ipy_user_conf.py\n') |
|
2909 | (userdir / ('ipythonrc' + suffix)).write_text('# Empty, see ipy_user_conf.py\n') | |
2910 |
|
2910 | |||
2911 | # end Magic |
|
2911 | # end Magic |
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