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1 | # encoding: utf-8 |
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1 | # encoding: utf-8 | |
2 | """Word completion for IPython. |
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2 | """Word completion for IPython. | |
3 |
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3 | |||
4 | This module is a fork of the rlcompleter module in the Python standard |
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4 | This module is a fork of the rlcompleter module in the Python standard | |
5 | library. The original enhancements made to rlcompleter have been sent |
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5 | library. The original enhancements made to rlcompleter have been sent | |
6 | upstream and were accepted as of Python 2.3, but we need a lot more |
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6 | upstream and were accepted as of Python 2.3, but we need a lot more | |
7 | functionality specific to IPython, so this module will continue to live as an |
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7 | functionality specific to IPython, so this module will continue to live as an | |
8 | IPython-specific utility. |
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8 | IPython-specific utility. | |
9 |
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9 | |||
10 | Original rlcompleter documentation: |
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10 | Original rlcompleter documentation: | |
11 |
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11 | |||
12 | This requires the latest extension to the readline module (the |
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12 | This requires the latest extension to the readline module (the | |
13 | completes keywords, built-ins and globals in __main__; when completing |
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13 | completes keywords, built-ins and globals in __main__; when completing | |
14 | NAME.NAME..., it evaluates (!) the expression up to the last dot and |
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14 | NAME.NAME..., it evaluates (!) the expression up to the last dot and | |
15 | completes its attributes. |
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15 | completes its attributes. | |
16 |
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16 | |||
17 | It's very cool to do "import string" type "string.", hit the |
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17 | It's very cool to do "import string" type "string.", hit the | |
18 | completion key (twice), and see the list of names defined by the |
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18 | completion key (twice), and see the list of names defined by the | |
19 | string module! |
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19 | string module! | |
20 |
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20 | |||
21 | Tip: to use the tab key as the completion key, call |
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21 | Tip: to use the tab key as the completion key, call | |
22 |
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22 | |||
23 | readline.parse_and_bind("tab: complete") |
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23 | readline.parse_and_bind("tab: complete") | |
24 |
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24 | |||
25 | Notes: |
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25 | Notes: | |
26 |
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26 | |||
27 | - Exceptions raised by the completer function are *ignored* (and |
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27 | - Exceptions raised by the completer function are *ignored* (and | |
28 | generally cause the completion to fail). This is a feature -- since |
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28 | generally cause the completion to fail). This is a feature -- since | |
29 | readline sets the tty device in raw (or cbreak) mode, printing a |
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29 | readline sets the tty device in raw (or cbreak) mode, printing a | |
30 | traceback wouldn't work well without some complicated hoopla to save, |
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30 | traceback wouldn't work well without some complicated hoopla to save, | |
31 | reset and restore the tty state. |
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31 | reset and restore the tty state. | |
32 |
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32 | |||
33 | - The evaluation of the NAME.NAME... form may cause arbitrary |
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33 | - The evaluation of the NAME.NAME... form may cause arbitrary | |
34 | application defined code to be executed if an object with a |
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34 | application defined code to be executed if an object with a | |
35 | ``__getattr__`` hook is found. Since it is the responsibility of the |
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35 | ``__getattr__`` hook is found. Since it is the responsibility of the | |
36 | application (or the user) to enable this feature, I consider this an |
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36 | application (or the user) to enable this feature, I consider this an | |
37 | acceptable risk. More complicated expressions (e.g. function calls or |
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37 | acceptable risk. More complicated expressions (e.g. function calls or | |
38 | indexing operations) are *not* evaluated. |
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38 | indexing operations) are *not* evaluated. | |
39 |
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39 | |||
40 | - GNU readline is also used by the built-in functions input() and |
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40 | - GNU readline is also used by the built-in functions input() and | |
41 | raw_input(), and thus these also benefit/suffer from the completer |
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41 | raw_input(), and thus these also benefit/suffer from the completer | |
42 | features. Clearly an interactive application can benefit by |
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42 | features. Clearly an interactive application can benefit by | |
43 | specifying its own completer function and using raw_input() for all |
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43 | specifying its own completer function and using raw_input() for all | |
44 | its input. |
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44 | its input. | |
45 |
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45 | |||
46 | - When the original stdin is not a tty device, GNU readline is never |
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46 | - When the original stdin is not a tty device, GNU readline is never | |
47 | used, and this module (and the readline module) are silently inactive. |
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47 | used, and this module (and the readline module) are silently inactive. | |
48 | """ |
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48 | """ | |
49 |
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49 | |||
50 | #***************************************************************************** |
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50 | #***************************************************************************** | |
51 | # |
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51 | # | |
52 | # Since this file is essentially a minimally modified copy of the rlcompleter |
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52 | # Since this file is essentially a minimally modified copy of the rlcompleter | |
53 | # module which is part of the standard Python distribution, I assume that the |
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53 | # module which is part of the standard Python distribution, I assume that the | |
54 | # proper procedure is to maintain its copyright as belonging to the Python |
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54 | # proper procedure is to maintain its copyright as belonging to the Python | |
55 | # Software Foundation (in addition to my own, for all new code). |
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55 | # Software Foundation (in addition to my own, for all new code). | |
56 | # |
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56 | # | |
57 | # Copyright (C) 2008 IPython Development Team |
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57 | # Copyright (C) 2008 IPython Development Team | |
58 | # Copyright (C) 2001 Fernando Perez. <fperez@colorado.edu> |
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58 | # Copyright (C) 2001 Fernando Perez. <fperez@colorado.edu> | |
59 | # Copyright (C) 2001 Python Software Foundation, www.python.org |
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59 | # Copyright (C) 2001 Python Software Foundation, www.python.org | |
60 | # |
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60 | # | |
61 | # Distributed under the terms of the BSD License. The full license is in |
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61 | # Distributed under the terms of the BSD License. The full license is in | |
62 | # the file COPYING, distributed as part of this software. |
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62 | # the file COPYING, distributed as part of this software. | |
63 | # |
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63 | # | |
64 | #***************************************************************************** |
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64 | #***************************************************************************** | |
65 |
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65 | |||
66 | #----------------------------------------------------------------------------- |
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66 | #----------------------------------------------------------------------------- | |
67 | # Imports |
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67 | # Imports | |
68 | #----------------------------------------------------------------------------- |
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68 | #----------------------------------------------------------------------------- | |
69 |
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69 | |||
70 | import __main__ |
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70 | import __main__ | |
71 | import glob |
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71 | import glob | |
72 | import inspect |
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72 | import inspect | |
73 | import itertools |
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73 | import itertools | |
74 | import keyword |
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74 | import keyword | |
75 | import os |
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75 | import os | |
76 | import re |
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76 | import re | |
77 | import sys |
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77 | import sys | |
78 |
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78 | |||
79 | from IPython.config.configurable import Configurable |
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79 | from IPython.config.configurable import Configurable | |
80 | from IPython.core.error import TryNext |
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80 | from IPython.core.error import TryNext | |
81 | from IPython.core.inputsplitter import ESC_MAGIC |
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81 | from IPython.core.inputsplitter import ESC_MAGIC | |
82 | from IPython.core.latex_symbols import latex_symbols |
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82 | from IPython.core.latex_symbols import latex_symbols | |
83 | from IPython.utils import generics |
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83 | from IPython.utils import generics | |
84 | from IPython.utils import io |
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84 | from IPython.utils import io | |
85 | from IPython.utils.decorators import undoc |
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85 | from IPython.utils.decorators import undoc | |
86 | from IPython.utils.dir2 import dir2 |
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86 | from IPython.utils.dir2 import dir2 | |
87 | from IPython.utils.process import arg_split |
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87 | from IPython.utils.process import arg_split | |
88 | from IPython.utils.py3compat import builtin_mod, string_types, PY3 |
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88 | from IPython.utils.py3compat import builtin_mod, string_types, PY3 | |
89 | from IPython.utils.traitlets import CBool, Enum |
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89 | from IPython.utils.traitlets import CBool, Enum | |
90 |
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90 | |||
91 | #----------------------------------------------------------------------------- |
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91 | #----------------------------------------------------------------------------- | |
92 | # Globals |
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92 | # Globals | |
93 | #----------------------------------------------------------------------------- |
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93 | #----------------------------------------------------------------------------- | |
94 |
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94 | |||
95 | # Public API |
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95 | # Public API | |
96 | __all__ = ['Completer','IPCompleter'] |
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96 | __all__ = ['Completer','IPCompleter'] | |
97 |
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97 | |||
98 | if sys.platform == 'win32': |
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98 | if sys.platform == 'win32': | |
99 | PROTECTABLES = ' ' |
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99 | PROTECTABLES = ' ' | |
100 | else: |
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100 | else: | |
101 | PROTECTABLES = ' ()[]{}?=\\|;:\'#*"^&' |
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101 | PROTECTABLES = ' ()[]{}?=\\|;:\'#*"^&' | |
102 |
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102 | |||
103 |
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103 | |||
104 | #----------------------------------------------------------------------------- |
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104 | #----------------------------------------------------------------------------- | |
105 | # Main functions and classes |
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105 | # Main functions and classes | |
106 | #----------------------------------------------------------------------------- |
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106 | #----------------------------------------------------------------------------- | |
107 |
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107 | |||
108 | def has_open_quotes(s): |
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108 | def has_open_quotes(s): | |
109 | """Return whether a string has open quotes. |
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109 | """Return whether a string has open quotes. | |
110 |
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110 | |||
111 | This simply counts whether the number of quote characters of either type in |
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111 | This simply counts whether the number of quote characters of either type in | |
112 | the string is odd. |
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112 | the string is odd. | |
113 |
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113 | |||
114 | Returns |
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114 | Returns | |
115 | ------- |
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115 | ------- | |
116 | If there is an open quote, the quote character is returned. Else, return |
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116 | If there is an open quote, the quote character is returned. Else, return | |
117 | False. |
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117 | False. | |
118 | """ |
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118 | """ | |
119 | # We check " first, then ', so complex cases with nested quotes will get |
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119 | # We check " first, then ', so complex cases with nested quotes will get | |
120 | # the " to take precedence. |
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120 | # the " to take precedence. | |
121 | if s.count('"') % 2: |
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121 | if s.count('"') % 2: | |
122 | return '"' |
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122 | return '"' | |
123 | elif s.count("'") % 2: |
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123 | elif s.count("'") % 2: | |
124 | return "'" |
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124 | return "'" | |
125 | else: |
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125 | else: | |
126 | return False |
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126 | return False | |
127 |
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127 | |||
128 |
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128 | |||
129 | def protect_filename(s): |
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129 | def protect_filename(s): | |
130 | """Escape a string to protect certain characters.""" |
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130 | """Escape a string to protect certain characters.""" | |
131 |
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131 | |||
132 | return "".join([(ch in PROTECTABLES and '\\' + ch or ch) |
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132 | return "".join([(ch in PROTECTABLES and '\\' + ch or ch) | |
133 | for ch in s]) |
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133 | for ch in s]) | |
134 |
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134 | |||
135 | def expand_user(path): |
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135 | def expand_user(path): | |
136 | """Expand '~'-style usernames in strings. |
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136 | """Expand '~'-style usernames in strings. | |
137 |
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137 | |||
138 | This is similar to :func:`os.path.expanduser`, but it computes and returns |
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138 | This is similar to :func:`os.path.expanduser`, but it computes and returns | |
139 | extra information that will be useful if the input was being used in |
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139 | extra information that will be useful if the input was being used in | |
140 | computing completions, and you wish to return the completions with the |
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140 | computing completions, and you wish to return the completions with the | |
141 | original '~' instead of its expanded value. |
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141 | original '~' instead of its expanded value. | |
142 |
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142 | |||
143 | Parameters |
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143 | Parameters | |
144 | ---------- |
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144 | ---------- | |
145 | path : str |
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145 | path : str | |
146 | String to be expanded. If no ~ is present, the output is the same as the |
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146 | String to be expanded. If no ~ is present, the output is the same as the | |
147 | input. |
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147 | input. | |
148 |
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148 | |||
149 | Returns |
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149 | Returns | |
150 | ------- |
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150 | ------- | |
151 | newpath : str |
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151 | newpath : str | |
152 | Result of ~ expansion in the input path. |
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152 | Result of ~ expansion in the input path. | |
153 | tilde_expand : bool |
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153 | tilde_expand : bool | |
154 | Whether any expansion was performed or not. |
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154 | Whether any expansion was performed or not. | |
155 | tilde_val : str |
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155 | tilde_val : str | |
156 | The value that ~ was replaced with. |
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156 | The value that ~ was replaced with. | |
157 | """ |
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157 | """ | |
158 | # Default values |
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158 | # Default values | |
159 | tilde_expand = False |
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159 | tilde_expand = False | |
160 | tilde_val = '' |
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160 | tilde_val = '' | |
161 | newpath = path |
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161 | newpath = path | |
162 |
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162 | |||
163 | if path.startswith('~'): |
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163 | if path.startswith('~'): | |
164 | tilde_expand = True |
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164 | tilde_expand = True | |
165 | rest = len(path)-1 |
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165 | rest = len(path)-1 | |
166 | newpath = os.path.expanduser(path) |
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166 | newpath = os.path.expanduser(path) | |
167 | if rest: |
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167 | if rest: | |
168 | tilde_val = newpath[:-rest] |
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168 | tilde_val = newpath[:-rest] | |
169 | else: |
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169 | else: | |
170 | tilde_val = newpath |
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170 | tilde_val = newpath | |
171 |
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171 | |||
172 | return newpath, tilde_expand, tilde_val |
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172 | return newpath, tilde_expand, tilde_val | |
173 |
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173 | |||
174 |
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174 | |||
175 | def compress_user(path, tilde_expand, tilde_val): |
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175 | def compress_user(path, tilde_expand, tilde_val): | |
176 | """Does the opposite of expand_user, with its outputs. |
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176 | """Does the opposite of expand_user, with its outputs. | |
177 | """ |
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177 | """ | |
178 | if tilde_expand: |
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178 | if tilde_expand: | |
179 | return path.replace(tilde_val, '~') |
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179 | return path.replace(tilde_val, '~') | |
180 | else: |
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180 | else: | |
181 | return path |
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181 | return path | |
182 |
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182 | |||
183 |
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183 | |||
184 |
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184 | |||
185 | def penalize_magics_key(word): |
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185 | def penalize_magics_key(word): | |
186 | """key for sorting that penalizes magic commands in the ordering |
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186 | """key for sorting that penalizes magic commands in the ordering | |
187 |
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187 | |||
188 | Normal words are left alone. |
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188 | Normal words are left alone. | |
189 |
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189 | |||
190 | Magic commands have the initial % moved to the end, e.g. |
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190 | Magic commands have the initial % moved to the end, e.g. | |
191 | %matplotlib is transformed as follows: |
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191 | %matplotlib is transformed as follows: | |
192 |
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192 | |||
193 | %matplotlib -> matplotlib% |
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193 | %matplotlib -> matplotlib% | |
194 |
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194 | |||
195 | [The choice of the final % is arbitrary.] |
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195 | [The choice of the final % is arbitrary.] | |
196 |
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196 | |||
197 | Since "matplotlib" < "matplotlib%" as strings, |
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197 | Since "matplotlib" < "matplotlib%" as strings, | |
198 | "timeit" will appear before the magic "%timeit" in the ordering |
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198 | "timeit" will appear before the magic "%timeit" in the ordering | |
199 |
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199 | |||
200 | For consistency, move "%%" to the end, so cell magics appear *after* |
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200 | For consistency, move "%%" to the end, so cell magics appear *after* | |
201 | line magics with the same name. |
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201 | line magics with the same name. | |
202 |
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202 | |||
203 | A check is performed that there are no other "%" in the string; |
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203 | A check is performed that there are no other "%" in the string; | |
204 | if there are, then the string is not a magic command and is left unchanged. |
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204 | if there are, then the string is not a magic command and is left unchanged. | |
205 |
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205 | |||
206 | """ |
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206 | """ | |
207 |
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207 | |||
208 | # Move any % signs from start to end of the key |
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208 | # Move any % signs from start to end of the key | |
209 | # provided there are no others elsewhere in the string |
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209 | # provided there are no others elsewhere in the string | |
210 |
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210 | |||
211 | if word[:2] == "%%": |
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211 | if word[:2] == "%%": | |
212 | if not "%" in word[2:]: |
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212 | if not "%" in word[2:]: | |
213 | return word[2:] + "%%" |
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213 | return word[2:] + "%%" | |
214 |
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214 | |||
215 | if word[:1] == "%": |
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215 | if word[:1] == "%": | |
216 | if not "%" in word[1:]: |
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216 | if not "%" in word[1:]: | |
217 | return word[1:] + "%" |
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217 | return word[1:] + "%" | |
218 |
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218 | |||
219 | return word |
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219 | return word | |
220 |
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220 | |||
221 |
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221 | |||
222 | @undoc |
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222 | @undoc | |
223 | class Bunch(object): pass |
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223 | class Bunch(object): pass | |
224 |
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224 | |||
225 |
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225 | |||
226 | DELIMS = ' \t\n`!@#$^&*()=+[{]}\\|;:\'",<>?' |
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226 | DELIMS = ' \t\n`!@#$^&*()=+[{]}\\|;:\'",<>?' | |
227 | GREEDY_DELIMS = ' =\r\n' |
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227 | GREEDY_DELIMS = ' =\r\n' | |
228 |
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228 | |||
229 |
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229 | |||
230 | class CompletionSplitter(object): |
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230 | class CompletionSplitter(object): | |
231 | """An object to split an input line in a manner similar to readline. |
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231 | """An object to split an input line in a manner similar to readline. | |
232 |
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232 | |||
233 | By having our own implementation, we can expose readline-like completion in |
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233 | By having our own implementation, we can expose readline-like completion in | |
234 | a uniform manner to all frontends. This object only needs to be given the |
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234 | a uniform manner to all frontends. This object only needs to be given the | |
235 | line of text to be split and the cursor position on said line, and it |
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235 | line of text to be split and the cursor position on said line, and it | |
236 | returns the 'word' to be completed on at the cursor after splitting the |
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236 | returns the 'word' to be completed on at the cursor after splitting the | |
237 | entire line. |
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237 | entire line. | |
238 |
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238 | |||
239 | What characters are used as splitting delimiters can be controlled by |
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239 | What characters are used as splitting delimiters can be controlled by | |
240 | setting the `delims` attribute (this is a property that internally |
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240 | setting the `delims` attribute (this is a property that internally | |
241 | automatically builds the necessary regular expression)""" |
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241 | automatically builds the necessary regular expression)""" | |
242 |
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242 | |||
243 | # Private interface |
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243 | # Private interface | |
244 |
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244 | |||
245 | # A string of delimiter characters. The default value makes sense for |
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245 | # A string of delimiter characters. The default value makes sense for | |
246 | # IPython's most typical usage patterns. |
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246 | # IPython's most typical usage patterns. | |
247 | _delims = DELIMS |
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247 | _delims = DELIMS | |
248 |
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248 | |||
249 | # The expression (a normal string) to be compiled into a regular expression |
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249 | # The expression (a normal string) to be compiled into a regular expression | |
250 | # for actual splitting. We store it as an attribute mostly for ease of |
|
250 | # for actual splitting. We store it as an attribute mostly for ease of | |
251 | # debugging, since this type of code can be so tricky to debug. |
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251 | # debugging, since this type of code can be so tricky to debug. | |
252 | _delim_expr = None |
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252 | _delim_expr = None | |
253 |
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253 | |||
254 | # The regular expression that does the actual splitting |
|
254 | # The regular expression that does the actual splitting | |
255 | _delim_re = None |
|
255 | _delim_re = None | |
256 |
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256 | |||
257 | def __init__(self, delims=None): |
|
257 | def __init__(self, delims=None): | |
258 | delims = CompletionSplitter._delims if delims is None else delims |
|
258 | delims = CompletionSplitter._delims if delims is None else delims | |
259 | self.delims = delims |
|
259 | self.delims = delims | |
260 |
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260 | |||
261 | @property |
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261 | @property | |
262 | def delims(self): |
|
262 | def delims(self): | |
263 | """Return the string of delimiter characters.""" |
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263 | """Return the string of delimiter characters.""" | |
264 | return self._delims |
|
264 | return self._delims | |
265 |
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265 | |||
266 | @delims.setter |
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266 | @delims.setter | |
267 | def delims(self, delims): |
|
267 | def delims(self, delims): | |
268 | """Set the delimiters for line splitting.""" |
|
268 | """Set the delimiters for line splitting.""" | |
269 | expr = '[' + ''.join('\\'+ c for c in delims) + ']' |
|
269 | expr = '[' + ''.join('\\'+ c for c in delims) + ']' | |
270 | self._delim_re = re.compile(expr) |
|
270 | self._delim_re = re.compile(expr) | |
271 | self._delims = delims |
|
271 | self._delims = delims | |
272 | self._delim_expr = expr |
|
272 | self._delim_expr = expr | |
273 |
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273 | |||
274 | def split_line(self, line, cursor_pos=None): |
|
274 | def split_line(self, line, cursor_pos=None): | |
275 | """Split a line of text with a cursor at the given position. |
|
275 | """Split a line of text with a cursor at the given position. | |
276 | """ |
|
276 | """ | |
277 | l = line if cursor_pos is None else line[:cursor_pos] |
|
277 | l = line if cursor_pos is None else line[:cursor_pos] | |
278 | return self._delim_re.split(l)[-1] |
|
278 | return self._delim_re.split(l)[-1] | |
279 |
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279 | |||
280 |
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280 | |||
281 | class Completer(Configurable): |
|
281 | class Completer(Configurable): | |
282 |
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282 | |||
283 | greedy = CBool(False, config=True, |
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283 | greedy = CBool(False, config=True, | |
284 | help="""Activate greedy completion |
|
284 | help="""Activate greedy completion | |
285 |
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285 | |||
286 | This will enable completion on elements of lists, results of function calls, etc., |
|
286 | This will enable completion on elements of lists, results of function calls, etc., | |
287 | but can be unsafe because the code is actually evaluated on TAB. |
|
287 | but can be unsafe because the code is actually evaluated on TAB. | |
288 | """ |
|
288 | """ | |
289 | ) |
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289 | ) | |
290 |
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290 | |||
291 |
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291 | |||
292 | def __init__(self, namespace=None, global_namespace=None, **kwargs): |
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292 | def __init__(self, namespace=None, global_namespace=None, **kwargs): | |
293 | """Create a new completer for the command line. |
|
293 | """Create a new completer for the command line. | |
294 |
|
294 | |||
295 | Completer(namespace=ns,global_namespace=ns2) -> completer instance. |
|
295 | Completer(namespace=ns,global_namespace=ns2) -> completer instance. | |
296 |
|
296 | |||
297 | If unspecified, the default namespace where completions are performed |
|
297 | If unspecified, the default namespace where completions are performed | |
298 | is __main__ (technically, __main__.__dict__). Namespaces should be |
|
298 | is __main__ (technically, __main__.__dict__). Namespaces should be | |
299 | given as dictionaries. |
|
299 | given as dictionaries. | |
300 |
|
300 | |||
301 | An optional second namespace can be given. This allows the completer |
|
301 | An optional second namespace can be given. This allows the completer | |
302 | to handle cases where both the local and global scopes need to be |
|
302 | to handle cases where both the local and global scopes need to be | |
303 | distinguished. |
|
303 | distinguished. | |
304 |
|
304 | |||
305 | Completer instances should be used as the completion mechanism of |
|
305 | Completer instances should be used as the completion mechanism of | |
306 | readline via the set_completer() call: |
|
306 | readline via the set_completer() call: | |
307 |
|
307 | |||
308 | readline.set_completer(Completer(my_namespace).complete) |
|
308 | readline.set_completer(Completer(my_namespace).complete) | |
309 | """ |
|
309 | """ | |
310 |
|
310 | |||
311 | # Don't bind to namespace quite yet, but flag whether the user wants a |
|
311 | # Don't bind to namespace quite yet, but flag whether the user wants a | |
312 | # specific namespace or to use __main__.__dict__. This will allow us |
|
312 | # specific namespace or to use __main__.__dict__. This will allow us | |
313 | # to bind to __main__.__dict__ at completion time, not now. |
|
313 | # to bind to __main__.__dict__ at completion time, not now. | |
314 | if namespace is None: |
|
314 | if namespace is None: | |
315 | self.use_main_ns = 1 |
|
315 | self.use_main_ns = 1 | |
316 | else: |
|
316 | else: | |
317 | self.use_main_ns = 0 |
|
317 | self.use_main_ns = 0 | |
318 | self.namespace = namespace |
|
318 | self.namespace = namespace | |
319 |
|
319 | |||
320 | # The global namespace, if given, can be bound directly |
|
320 | # The global namespace, if given, can be bound directly | |
321 | if global_namespace is None: |
|
321 | if global_namespace is None: | |
322 | self.global_namespace = {} |
|
322 | self.global_namespace = {} | |
323 | else: |
|
323 | else: | |
324 | self.global_namespace = global_namespace |
|
324 | self.global_namespace = global_namespace | |
325 |
|
325 | |||
326 | super(Completer, self).__init__(**kwargs) |
|
326 | super(Completer, self).__init__(**kwargs) | |
327 |
|
327 | |||
328 | def complete(self, text, state): |
|
328 | def complete(self, text, state): | |
329 | """Return the next possible completion for 'text'. |
|
329 | """Return the next possible completion for 'text'. | |
330 |
|
330 | |||
331 | This is called successively with state == 0, 1, 2, ... until it |
|
331 | This is called successively with state == 0, 1, 2, ... until it | |
332 | returns None. The completion should begin with 'text'. |
|
332 | returns None. The completion should begin with 'text'. | |
333 |
|
333 | |||
334 | """ |
|
334 | """ | |
335 | if self.use_main_ns: |
|
335 | if self.use_main_ns: | |
336 | self.namespace = __main__.__dict__ |
|
336 | self.namespace = __main__.__dict__ | |
337 |
|
337 | |||
338 | if state == 0: |
|
338 | if state == 0: | |
339 | if "." in text: |
|
339 | if "." in text: | |
340 | self.matches = self.attr_matches(text) |
|
340 | self.matches = self.attr_matches(text) | |
341 | else: |
|
341 | else: | |
342 | self.matches = self.global_matches(text) |
|
342 | self.matches = self.global_matches(text) | |
343 | try: |
|
343 | try: | |
344 | return self.matches[state] |
|
344 | return self.matches[state] | |
345 | except IndexError: |
|
345 | except IndexError: | |
346 | return None |
|
346 | return None | |
347 |
|
347 | |||
348 | def global_matches(self, text): |
|
348 | def global_matches(self, text): | |
349 | """Compute matches when text is a simple name. |
|
349 | """Compute matches when text is a simple name. | |
350 |
|
350 | |||
351 | Return a list of all keywords, built-in functions and names currently |
|
351 | Return a list of all keywords, built-in functions and names currently | |
352 | defined in self.namespace or self.global_namespace that match. |
|
352 | defined in self.namespace or self.global_namespace that match. | |
353 |
|
353 | |||
354 | """ |
|
354 | """ | |
355 | #print 'Completer->global_matches, txt=%r' % text # dbg |
|
355 | #print 'Completer->global_matches, txt=%r' % text # dbg | |
356 | matches = [] |
|
356 | matches = [] | |
357 | match_append = matches.append |
|
357 | match_append = matches.append | |
358 | n = len(text) |
|
358 | n = len(text) | |
359 | for lst in [keyword.kwlist, |
|
359 | for lst in [keyword.kwlist, | |
360 | builtin_mod.__dict__.keys(), |
|
360 | builtin_mod.__dict__.keys(), | |
361 | self.namespace.keys(), |
|
361 | self.namespace.keys(), | |
362 | self.global_namespace.keys()]: |
|
362 | self.global_namespace.keys()]: | |
363 | for word in lst: |
|
363 | for word in lst: | |
364 | if word[:n] == text and word != "__builtins__": |
|
364 | if word[:n] == text and word != "__builtins__": | |
365 | match_append(word) |
|
365 | match_append(word) | |
366 | return matches |
|
366 | return matches | |
367 |
|
367 | |||
368 | def attr_matches(self, text): |
|
368 | def attr_matches(self, text): | |
369 | """Compute matches when text contains a dot. |
|
369 | """Compute matches when text contains a dot. | |
370 |
|
370 | |||
371 | Assuming the text is of the form NAME.NAME....[NAME], and is |
|
371 | Assuming the text is of the form NAME.NAME....[NAME], and is | |
372 | evaluatable in self.namespace or self.global_namespace, it will be |
|
372 | evaluatable in self.namespace or self.global_namespace, it will be | |
373 | evaluated and its attributes (as revealed by dir()) are used as |
|
373 | evaluated and its attributes (as revealed by dir()) are used as | |
374 | possible completions. (For class instances, class members are are |
|
374 | possible completions. (For class instances, class members are are | |
375 | also considered.) |
|
375 | also considered.) | |
376 |
|
376 | |||
377 | WARNING: this can still invoke arbitrary C code, if an object |
|
377 | WARNING: this can still invoke arbitrary C code, if an object | |
378 | with a __getattr__ hook is evaluated. |
|
378 | with a __getattr__ hook is evaluated. | |
379 |
|
379 | |||
380 | """ |
|
380 | """ | |
381 |
|
381 | |||
382 | #io.rprint('Completer->attr_matches, txt=%r' % text) # dbg |
|
382 | #io.rprint('Completer->attr_matches, txt=%r' % text) # dbg | |
383 | # Another option, seems to work great. Catches things like ''.<tab> |
|
383 | # Another option, seems to work great. Catches things like ''.<tab> | |
384 | m = re.match(r"(\S+(\.\w+)*)\.(\w*)$", text) |
|
384 | m = re.match(r"(\S+(\.\w+)*)\.(\w*)$", text) | |
385 |
|
385 | |||
386 | if m: |
|
386 | if m: | |
387 | expr, attr = m.group(1, 3) |
|
387 | expr, attr = m.group(1, 3) | |
388 | elif self.greedy: |
|
388 | elif self.greedy: | |
389 | m2 = re.match(r"(.+)\.(\w*)$", self.line_buffer) |
|
389 | m2 = re.match(r"(.+)\.(\w*)$", self.line_buffer) | |
390 | if not m2: |
|
390 | if not m2: | |
391 | return [] |
|
391 | return [] | |
392 | expr, attr = m2.group(1,2) |
|
392 | expr, attr = m2.group(1,2) | |
393 | else: |
|
393 | else: | |
394 | return [] |
|
394 | return [] | |
395 |
|
395 | |||
396 | try: |
|
396 | try: | |
397 | obj = eval(expr, self.namespace) |
|
397 | obj = eval(expr, self.namespace) | |
398 | except: |
|
398 | except: | |
399 | try: |
|
399 | try: | |
400 | obj = eval(expr, self.global_namespace) |
|
400 | obj = eval(expr, self.global_namespace) | |
401 | except: |
|
401 | except: | |
402 | return [] |
|
402 | return [] | |
403 |
|
403 | |||
404 | if self.limit_to__all__ and hasattr(obj, '__all__'): |
|
404 | if self.limit_to__all__ and hasattr(obj, '__all__'): | |
405 | words = get__all__entries(obj) |
|
405 | words = get__all__entries(obj) | |
406 | else: |
|
406 | else: | |
407 | words = dir2(obj) |
|
407 | words = dir2(obj) | |
408 |
|
408 | |||
409 | try: |
|
409 | try: | |
410 | words = generics.complete_object(obj, words) |
|
410 | words = generics.complete_object(obj, words) | |
411 | except TryNext: |
|
411 | except TryNext: | |
412 | pass |
|
412 | pass | |
413 | except Exception: |
|
413 | except Exception: | |
414 | # Silence errors from completion function |
|
414 | # Silence errors from completion function | |
415 | #raise # dbg |
|
415 | #raise # dbg | |
416 | pass |
|
416 | pass | |
417 | # Build match list to return |
|
417 | # Build match list to return | |
418 | n = len(attr) |
|
418 | n = len(attr) | |
419 | res = ["%s.%s" % (expr, w) for w in words if w[:n] == attr ] |
|
419 | res = ["%s.%s" % (expr, w) for w in words if w[:n] == attr ] | |
420 | return res |
|
420 | return res | |
421 |
|
421 | |||
422 |
|
422 | |||
423 | def get__all__entries(obj): |
|
423 | def get__all__entries(obj): | |
424 | """returns the strings in the __all__ attribute""" |
|
424 | """returns the strings in the __all__ attribute""" | |
425 | try: |
|
425 | try: | |
426 | words = getattr(obj, '__all__') |
|
426 | words = getattr(obj, '__all__') | |
427 | except: |
|
427 | except: | |
428 | return [] |
|
428 | return [] | |
429 |
|
429 | |||
430 | return [w for w in words if isinstance(w, string_types)] |
|
430 | return [w for w in words if isinstance(w, string_types)] | |
431 |
|
431 | |||
432 |
|
432 | |||
433 | def match_dict_keys(keys, prefix): |
|
433 | def match_dict_keys(keys, prefix): | |
434 | """Used by dict_key_matches, matching the prefix to a list of keys""" |
|
434 | """Used by dict_key_matches, matching the prefix to a list of keys""" | |
435 | if not prefix: |
|
435 | if not prefix: | |
436 | return None, 0, [repr(k) for k in keys |
|
436 | return None, 0, [repr(k) for k in keys | |
437 | if isinstance(k, (string_types, bytes))] |
|
437 | if isinstance(k, (string_types, bytes))] | |
438 | quote_match = re.search('["\']', prefix) |
|
438 | quote_match = re.search('["\']', prefix) | |
439 | quote = quote_match.group() |
|
439 | quote = quote_match.group() | |
440 | try: |
|
440 | try: | |
441 | prefix_str = eval(prefix + quote, {}) |
|
441 | prefix_str = eval(prefix + quote, {}) | |
442 | except Exception: |
|
442 | except Exception: | |
443 | return None, 0, [] |
|
443 | return None, 0, [] | |
444 |
|
444 | |||
445 | token_match = re.search(r'\w*$', prefix, re.UNICODE) |
|
445 | token_match = re.search(r'\w*$', prefix, re.UNICODE) | |
446 | token_start = token_match.start() |
|
446 | token_start = token_match.start() | |
447 | token_prefix = token_match.group() |
|
447 | token_prefix = token_match.group() | |
448 |
|
448 | |||
449 | # TODO: support bytes in Py3k |
|
449 | # TODO: support bytes in Py3k | |
450 | matched = [] |
|
450 | matched = [] | |
451 | for key in keys: |
|
451 | for key in keys: | |
452 | try: |
|
452 | try: | |
453 | if not key.startswith(prefix_str): |
|
453 | if not key.startswith(prefix_str): | |
454 | continue |
|
454 | continue | |
455 | except (AttributeError, TypeError, UnicodeError): |
|
455 | except (AttributeError, TypeError, UnicodeError): | |
456 | # Python 3+ TypeError on b'a'.startswith('a') or vice-versa |
|
456 | # Python 3+ TypeError on b'a'.startswith('a') or vice-versa | |
457 | continue |
|
457 | continue | |
458 |
|
458 | |||
459 | # reformat remainder of key to begin with prefix |
|
459 | # reformat remainder of key to begin with prefix | |
460 | rem = key[len(prefix_str):] |
|
460 | rem = key[len(prefix_str):] | |
461 | # force repr wrapped in ' |
|
461 | # force repr wrapped in ' | |
462 | rem_repr = repr(rem + '"') |
|
462 | rem_repr = repr(rem + '"') | |
463 | if rem_repr.startswith('u') and prefix[0] not in 'uU': |
|
463 | if rem_repr.startswith('u') and prefix[0] not in 'uU': | |
464 | # Found key is unicode, but prefix is Py2 string. |
|
464 | # Found key is unicode, but prefix is Py2 string. | |
465 | # Therefore attempt to interpret key as string. |
|
465 | # Therefore attempt to interpret key as string. | |
466 | try: |
|
466 | try: | |
467 | rem_repr = repr(rem.encode('ascii') + '"') |
|
467 | rem_repr = repr(rem.encode('ascii') + '"') | |
468 | except UnicodeEncodeError: |
|
468 | except UnicodeEncodeError: | |
469 | continue |
|
469 | continue | |
470 |
|
470 | |||
471 | rem_repr = rem_repr[1 + rem_repr.index("'"):-2] |
|
471 | rem_repr = rem_repr[1 + rem_repr.index("'"):-2] | |
472 | if quote == '"': |
|
472 | if quote == '"': | |
473 | # The entered prefix is quoted with ", |
|
473 | # The entered prefix is quoted with ", | |
474 | # but the match is quoted with '. |
|
474 | # but the match is quoted with '. | |
475 | # A contained " hence needs escaping for comparison: |
|
475 | # A contained " hence needs escaping for comparison: | |
476 | rem_repr = rem_repr.replace('"', '\\"') |
|
476 | rem_repr = rem_repr.replace('"', '\\"') | |
477 |
|
477 | |||
478 | # then reinsert prefix from start of token |
|
478 | # then reinsert prefix from start of token | |
479 | matched.append('%s%s' % (token_prefix, rem_repr)) |
|
479 | matched.append('%s%s' % (token_prefix, rem_repr)) | |
480 | return quote, token_start, matched |
|
480 | return quote, token_start, matched | |
481 |
|
481 | |||
482 |
|
482 | |||
483 | def _safe_isinstance(obj, module, class_name): |
|
483 | def _safe_isinstance(obj, module, class_name): | |
484 | """Checks if obj is an instance of module.class_name if loaded |
|
484 | """Checks if obj is an instance of module.class_name if loaded | |
485 | """ |
|
485 | """ | |
486 | return (module in sys.modules and |
|
486 | return (module in sys.modules and | |
487 | isinstance(obj, getattr(__import__(module), class_name))) |
|
487 | isinstance(obj, getattr(__import__(module), class_name))) | |
488 |
|
488 | |||
489 |
|
489 | |||
490 |
|
490 | |||
491 | class IPCompleter(Completer): |
|
491 | class IPCompleter(Completer): | |
492 | """Extension of the completer class with IPython-specific features""" |
|
492 | """Extension of the completer class with IPython-specific features""" | |
493 |
|
493 | |||
494 | def _greedy_changed(self, name, old, new): |
|
494 | def _greedy_changed(self, name, old, new): | |
495 | """update the splitter and readline delims when greedy is changed""" |
|
495 | """update the splitter and readline delims when greedy is changed""" | |
496 | if new: |
|
496 | if new: | |
497 | self.splitter.delims = GREEDY_DELIMS |
|
497 | self.splitter.delims = GREEDY_DELIMS | |
498 | else: |
|
498 | else: | |
499 | self.splitter.delims = DELIMS |
|
499 | self.splitter.delims = DELIMS | |
500 |
|
500 | |||
501 | if self.readline: |
|
501 | if self.readline: | |
502 | self.readline.set_completer_delims(self.splitter.delims) |
|
502 | self.readline.set_completer_delims(self.splitter.delims) | |
503 |
|
503 | |||
504 | merge_completions = CBool(True, config=True, |
|
504 | merge_completions = CBool(True, config=True, | |
505 | help="""Whether to merge completion results into a single list |
|
505 | help="""Whether to merge completion results into a single list | |
506 |
|
506 | |||
507 | If False, only the completion results from the first non-empty |
|
507 | If False, only the completion results from the first non-empty | |
508 | completer will be returned. |
|
508 | completer will be returned. | |
509 | """ |
|
509 | """ | |
510 | ) |
|
510 | ) | |
511 | omit__names = Enum((0,1,2), default_value=2, config=True, |
|
511 | omit__names = Enum((0,1,2), default_value=2, config=True, | |
512 | help="""Instruct the completer to omit private method names |
|
512 | help="""Instruct the completer to omit private method names | |
513 |
|
513 | |||
514 | Specifically, when completing on ``object.<tab>``. |
|
514 | Specifically, when completing on ``object.<tab>``. | |
515 |
|
515 | |||
516 | When 2 [default]: all names that start with '_' will be excluded. |
|
516 | When 2 [default]: all names that start with '_' will be excluded. | |
517 |
|
517 | |||
518 | When 1: all 'magic' names (``__foo__``) will be excluded. |
|
518 | When 1: all 'magic' names (``__foo__``) will be excluded. | |
519 |
|
519 | |||
520 | When 0: nothing will be excluded. |
|
520 | When 0: nothing will be excluded. | |
521 | """ |
|
521 | """ | |
522 | ) |
|
522 | ) | |
523 | limit_to__all__ = CBool(default_value=False, config=True, |
|
523 | limit_to__all__ = CBool(default_value=False, config=True, | |
524 | help="""Instruct the completer to use __all__ for the completion |
|
524 | help="""Instruct the completer to use __all__ for the completion | |
525 |
|
525 | |||
526 | Specifically, when completing on ``object.<tab>``. |
|
526 | Specifically, when completing on ``object.<tab>``. | |
527 |
|
527 | |||
528 | When True: only those names in obj.__all__ will be included. |
|
528 | When True: only those names in obj.__all__ will be included. | |
529 |
|
529 | |||
530 | When False [default]: the __all__ attribute is ignored |
|
530 | When False [default]: the __all__ attribute is ignored | |
531 | """ |
|
531 | """ | |
532 | ) |
|
532 | ) | |
533 |
|
533 | |||
534 | def __init__(self, shell=None, namespace=None, global_namespace=None, |
|
534 | def __init__(self, shell=None, namespace=None, global_namespace=None, | |
535 | use_readline=True, config=None, **kwargs): |
|
535 | use_readline=True, config=None, **kwargs): | |
536 | """IPCompleter() -> completer |
|
536 | """IPCompleter() -> completer | |
537 |
|
537 | |||
538 | Return a completer object suitable for use by the readline library |
|
538 | Return a completer object suitable for use by the readline library | |
539 | via readline.set_completer(). |
|
539 | via readline.set_completer(). | |
540 |
|
540 | |||
541 | Inputs: |
|
541 | Inputs: | |
542 |
|
542 | |||
543 | - shell: a pointer to the ipython shell itself. This is needed |
|
543 | - shell: a pointer to the ipython shell itself. This is needed | |
544 | because this completer knows about magic functions, and those can |
|
544 | because this completer knows about magic functions, and those can | |
545 | only be accessed via the ipython instance. |
|
545 | only be accessed via the ipython instance. | |
546 |
|
546 | |||
547 | - namespace: an optional dict where completions are performed. |
|
547 | - namespace: an optional dict where completions are performed. | |
548 |
|
548 | |||
549 | - global_namespace: secondary optional dict for completions, to |
|
549 | - global_namespace: secondary optional dict for completions, to | |
550 | handle cases (such as IPython embedded inside functions) where |
|
550 | handle cases (such as IPython embedded inside functions) where | |
551 | both Python scopes are visible. |
|
551 | both Python scopes are visible. | |
552 |
|
552 | |||
553 | use_readline : bool, optional |
|
553 | use_readline : bool, optional | |
554 | If true, use the readline library. This completer can still function |
|
554 | If true, use the readline library. This completer can still function | |
555 | without readline, though in that case callers must provide some extra |
|
555 | without readline, though in that case callers must provide some extra | |
556 | information on each call about the current line.""" |
|
556 | information on each call about the current line.""" | |
557 |
|
557 | |||
558 | self.magic_escape = ESC_MAGIC |
|
558 | self.magic_escape = ESC_MAGIC | |
559 | self.splitter = CompletionSplitter() |
|
559 | self.splitter = CompletionSplitter() | |
560 |
|
560 | |||
561 | # Readline configuration, only used by the rlcompleter method. |
|
561 | # Readline configuration, only used by the rlcompleter method. | |
562 | if use_readline: |
|
562 | if use_readline: | |
563 | # We store the right version of readline so that later code |
|
563 | # We store the right version of readline so that later code | |
564 | import IPython.utils.rlineimpl as readline |
|
564 | import IPython.utils.rlineimpl as readline | |
565 | self.readline = readline |
|
565 | self.readline = readline | |
566 | else: |
|
566 | else: | |
567 | self.readline = None |
|
567 | self.readline = None | |
568 |
|
568 | |||
569 | # _greedy_changed() depends on splitter and readline being defined: |
|
569 | # _greedy_changed() depends on splitter and readline being defined: | |
570 | Completer.__init__(self, namespace=namespace, global_namespace=global_namespace, |
|
570 | Completer.__init__(self, namespace=namespace, global_namespace=global_namespace, | |
571 | config=config, **kwargs) |
|
571 | config=config, **kwargs) | |
572 |
|
572 | |||
573 | # List where completion matches will be stored |
|
573 | # List where completion matches will be stored | |
574 | self.matches = [] |
|
574 | self.matches = [] | |
575 | self.shell = shell |
|
575 | self.shell = shell | |
576 | # Regexp to split filenames with spaces in them |
|
576 | # Regexp to split filenames with spaces in them | |
577 | self.space_name_re = re.compile(r'([^\\] )') |
|
577 | self.space_name_re = re.compile(r'([^\\] )') | |
578 | # Hold a local ref. to glob.glob for speed |
|
578 | # Hold a local ref. to glob.glob for speed | |
579 | self.glob = glob.glob |
|
579 | self.glob = glob.glob | |
580 |
|
580 | |||
581 | # Determine if we are running on 'dumb' terminals, like (X)Emacs |
|
581 | # Determine if we are running on 'dumb' terminals, like (X)Emacs | |
582 | # buffers, to avoid completion problems. |
|
582 | # buffers, to avoid completion problems. | |
583 | term = os.environ.get('TERM','xterm') |
|
583 | term = os.environ.get('TERM','xterm') | |
584 | self.dumb_terminal = term in ['dumb','emacs'] |
|
584 | self.dumb_terminal = term in ['dumb','emacs'] | |
585 |
|
585 | |||
586 | # Special handling of backslashes needed in win32 platforms |
|
586 | # Special handling of backslashes needed in win32 platforms | |
587 | if sys.platform == "win32": |
|
587 | if sys.platform == "win32": | |
588 | self.clean_glob = self._clean_glob_win32 |
|
588 | self.clean_glob = self._clean_glob_win32 | |
589 | else: |
|
589 | else: | |
590 | self.clean_glob = self._clean_glob |
|
590 | self.clean_glob = self._clean_glob | |
591 |
|
591 | |||
592 | #regexp to parse docstring for function signature |
|
592 | #regexp to parse docstring for function signature | |
593 | self.docstring_sig_re = re.compile(r'^[\w|\s.]+\(([^)]*)\).*') |
|
593 | self.docstring_sig_re = re.compile(r'^[\w|\s.]+\(([^)]*)\).*') | |
594 | self.docstring_kwd_re = re.compile(r'[\s|\[]*(\w+)(?:\s*=\s*.*)') |
|
594 | self.docstring_kwd_re = re.compile(r'[\s|\[]*(\w+)(?:\s*=\s*.*)') | |
595 | #use this if positional argument name is also needed |
|
595 | #use this if positional argument name is also needed | |
596 | #= re.compile(r'[\s|\[]*(\w+)(?:\s*=?\s*.*)') |
|
596 | #= re.compile(r'[\s|\[]*(\w+)(?:\s*=?\s*.*)') | |
597 |
|
597 | |||
598 | # All active matcher routines for completion |
|
598 | # All active matcher routines for completion | |
599 | self.matchers = [ |
|
599 | self.matchers = [self.python_matches, | |
600 | self.python_matches, |
|
|||
601 |
|
|
600 | self.file_matches, | |
602 |
|
|
601 | self.magic_matches, | |
603 |
|
|
602 | self.python_func_kw_matches, | |
604 |
|
|
603 | self.dict_key_matches, | |
605 | ] |
|
604 | ] | |
606 |
|
605 | |||
607 | def all_completions(self, text): |
|
606 | def all_completions(self, text): | |
608 | """ |
|
607 | """ | |
609 | Wrapper around the complete method for the benefit of emacs |
|
608 | Wrapper around the complete method for the benefit of emacs | |
610 | and pydb. |
|
609 | and pydb. | |
611 | """ |
|
610 | """ | |
612 | return self.complete(text)[1] |
|
611 | return self.complete(text)[1] | |
613 |
|
612 | |||
614 | def _clean_glob(self,text): |
|
613 | def _clean_glob(self,text): | |
615 | return self.glob("%s*" % text) |
|
614 | return self.glob("%s*" % text) | |
616 |
|
615 | |||
617 | def _clean_glob_win32(self,text): |
|
616 | def _clean_glob_win32(self,text): | |
618 | return [f.replace("\\","/") |
|
617 | return [f.replace("\\","/") | |
619 | for f in self.glob("%s*" % text)] |
|
618 | for f in self.glob("%s*" % text)] | |
620 |
|
619 | |||
621 | def file_matches(self, text): |
|
620 | def file_matches(self, text): | |
622 | """Match filenames, expanding ~USER type strings. |
|
621 | """Match filenames, expanding ~USER type strings. | |
623 |
|
622 | |||
624 | Most of the seemingly convoluted logic in this completer is an |
|
623 | Most of the seemingly convoluted logic in this completer is an | |
625 | attempt to handle filenames with spaces in them. And yet it's not |
|
624 | attempt to handle filenames with spaces in them. And yet it's not | |
626 | quite perfect, because Python's readline doesn't expose all of the |
|
625 | quite perfect, because Python's readline doesn't expose all of the | |
627 | GNU readline details needed for this to be done correctly. |
|
626 | GNU readline details needed for this to be done correctly. | |
628 |
|
627 | |||
629 | For a filename with a space in it, the printed completions will be |
|
628 | For a filename with a space in it, the printed completions will be | |
630 | only the parts after what's already been typed (instead of the |
|
629 | only the parts after what's already been typed (instead of the | |
631 | full completions, as is normally done). I don't think with the |
|
630 | full completions, as is normally done). I don't think with the | |
632 | current (as of Python 2.3) Python readline it's possible to do |
|
631 | current (as of Python 2.3) Python readline it's possible to do | |
633 | better.""" |
|
632 | better.""" | |
634 |
|
633 | |||
635 | #io.rprint('Completer->file_matches: <%r>' % text) # dbg |
|
634 | #io.rprint('Completer->file_matches: <%r>' % text) # dbg | |
636 |
|
635 | |||
637 | # chars that require escaping with backslash - i.e. chars |
|
636 | # chars that require escaping with backslash - i.e. chars | |
638 | # that readline treats incorrectly as delimiters, but we |
|
637 | # that readline treats incorrectly as delimiters, but we | |
639 | # don't want to treat as delimiters in filename matching |
|
638 | # don't want to treat as delimiters in filename matching | |
640 | # when escaped with backslash |
|
639 | # when escaped with backslash | |
641 | if text.startswith('!'): |
|
640 | if text.startswith('!'): | |
642 | text = text[1:] |
|
641 | text = text[1:] | |
643 | text_prefix = '!' |
|
642 | text_prefix = '!' | |
644 | else: |
|
643 | else: | |
645 | text_prefix = '' |
|
644 | text_prefix = '' | |
646 |
|
645 | |||
647 | text_until_cursor = self.text_until_cursor |
|
646 | text_until_cursor = self.text_until_cursor | |
648 | # track strings with open quotes |
|
647 | # track strings with open quotes | |
649 | open_quotes = has_open_quotes(text_until_cursor) |
|
648 | open_quotes = has_open_quotes(text_until_cursor) | |
650 |
|
649 | |||
651 | if '(' in text_until_cursor or '[' in text_until_cursor: |
|
650 | if '(' in text_until_cursor or '[' in text_until_cursor: | |
652 | lsplit = text |
|
651 | lsplit = text | |
653 | else: |
|
652 | else: | |
654 | try: |
|
653 | try: | |
655 | # arg_split ~ shlex.split, but with unicode bugs fixed by us |
|
654 | # arg_split ~ shlex.split, but with unicode bugs fixed by us | |
656 | lsplit = arg_split(text_until_cursor)[-1] |
|
655 | lsplit = arg_split(text_until_cursor)[-1] | |
657 | except ValueError: |
|
656 | except ValueError: | |
658 | # typically an unmatched ", or backslash without escaped char. |
|
657 | # typically an unmatched ", or backslash without escaped char. | |
659 | if open_quotes: |
|
658 | if open_quotes: | |
660 | lsplit = text_until_cursor.split(open_quotes)[-1] |
|
659 | lsplit = text_until_cursor.split(open_quotes)[-1] | |
661 | else: |
|
660 | else: | |
662 | return [] |
|
661 | return [] | |
663 | except IndexError: |
|
662 | except IndexError: | |
664 | # tab pressed on empty line |
|
663 | # tab pressed on empty line | |
665 | lsplit = "" |
|
664 | lsplit = "" | |
666 |
|
665 | |||
667 | if not open_quotes and lsplit != protect_filename(lsplit): |
|
666 | if not open_quotes and lsplit != protect_filename(lsplit): | |
668 | # if protectables are found, do matching on the whole escaped name |
|
667 | # if protectables are found, do matching on the whole escaped name | |
669 | has_protectables = True |
|
668 | has_protectables = True | |
670 | text0,text = text,lsplit |
|
669 | text0,text = text,lsplit | |
671 | else: |
|
670 | else: | |
672 | has_protectables = False |
|
671 | has_protectables = False | |
673 | text = os.path.expanduser(text) |
|
672 | text = os.path.expanduser(text) | |
674 |
|
673 | |||
675 | if text == "": |
|
674 | if text == "": | |
676 | return [text_prefix + protect_filename(f) for f in self.glob("*")] |
|
675 | return [text_prefix + protect_filename(f) for f in self.glob("*")] | |
677 |
|
676 | |||
678 | # Compute the matches from the filesystem |
|
677 | # Compute the matches from the filesystem | |
679 | m0 = self.clean_glob(text.replace('\\','')) |
|
678 | m0 = self.clean_glob(text.replace('\\','')) | |
680 |
|
679 | |||
681 | if has_protectables: |
|
680 | if has_protectables: | |
682 | # If we had protectables, we need to revert our changes to the |
|
681 | # If we had protectables, we need to revert our changes to the | |
683 | # beginning of filename so that we don't double-write the part |
|
682 | # beginning of filename so that we don't double-write the part | |
684 | # of the filename we have so far |
|
683 | # of the filename we have so far | |
685 | len_lsplit = len(lsplit) |
|
684 | len_lsplit = len(lsplit) | |
686 | matches = [text_prefix + text0 + |
|
685 | matches = [text_prefix + text0 + | |
687 | protect_filename(f[len_lsplit:]) for f in m0] |
|
686 | protect_filename(f[len_lsplit:]) for f in m0] | |
688 | else: |
|
687 | else: | |
689 | if open_quotes: |
|
688 | if open_quotes: | |
690 | # if we have a string with an open quote, we don't need to |
|
689 | # if we have a string with an open quote, we don't need to | |
691 | # protect the names at all (and we _shouldn't_, as it |
|
690 | # protect the names at all (and we _shouldn't_, as it | |
692 | # would cause bugs when the filesystem call is made). |
|
691 | # would cause bugs when the filesystem call is made). | |
693 | matches = m0 |
|
692 | matches = m0 | |
694 | else: |
|
693 | else: | |
695 | matches = [text_prefix + |
|
694 | matches = [text_prefix + | |
696 | protect_filename(f) for f in m0] |
|
695 | protect_filename(f) for f in m0] | |
697 |
|
696 | |||
698 | #io.rprint('mm', matches) # dbg |
|
697 | #io.rprint('mm', matches) # dbg | |
699 |
|
698 | |||
700 | # Mark directories in input list by appending '/' to their names. |
|
699 | # Mark directories in input list by appending '/' to their names. | |
701 | matches = [x+'/' if os.path.isdir(x) else x for x in matches] |
|
700 | matches = [x+'/' if os.path.isdir(x) else x for x in matches] | |
702 | return matches |
|
701 | return matches | |
703 |
|
702 | |||
704 | def magic_matches(self, text): |
|
703 | def magic_matches(self, text): | |
705 | """Match magics""" |
|
704 | """Match magics""" | |
706 | #print 'Completer->magic_matches:',text,'lb',self.text_until_cursor # dbg |
|
705 | #print 'Completer->magic_matches:',text,'lb',self.text_until_cursor # dbg | |
707 | # Get all shell magics now rather than statically, so magics loaded at |
|
706 | # Get all shell magics now rather than statically, so magics loaded at | |
708 | # runtime show up too. |
|
707 | # runtime show up too. | |
709 | lsm = self.shell.magics_manager.lsmagic() |
|
708 | lsm = self.shell.magics_manager.lsmagic() | |
710 | line_magics = lsm['line'] |
|
709 | line_magics = lsm['line'] | |
711 | cell_magics = lsm['cell'] |
|
710 | cell_magics = lsm['cell'] | |
712 | pre = self.magic_escape |
|
711 | pre = self.magic_escape | |
713 | pre2 = pre+pre |
|
712 | pre2 = pre+pre | |
714 |
|
713 | |||
715 | # Completion logic: |
|
714 | # Completion logic: | |
716 | # - user gives %%: only do cell magics |
|
715 | # - user gives %%: only do cell magics | |
717 | # - user gives %: do both line and cell magics |
|
716 | # - user gives %: do both line and cell magics | |
718 | # - no prefix: do both |
|
717 | # - no prefix: do both | |
719 | # In other words, line magics are skipped if the user gives %% explicitly |
|
718 | # In other words, line magics are skipped if the user gives %% explicitly | |
720 | bare_text = text.lstrip(pre) |
|
719 | bare_text = text.lstrip(pre) | |
721 | comp = [ pre2+m for m in cell_magics if m.startswith(bare_text)] |
|
720 | comp = [ pre2+m for m in cell_magics if m.startswith(bare_text)] | |
722 | if not text.startswith(pre2): |
|
721 | if not text.startswith(pre2): | |
723 | comp += [ pre+m for m in line_magics if m.startswith(bare_text)] |
|
722 | comp += [ pre+m for m in line_magics if m.startswith(bare_text)] | |
724 | return comp |
|
723 | return comp | |
725 |
|
724 | |||
726 | def python_matches(self,text): |
|
725 | def python_matches(self,text): | |
727 | """Match attributes or global python names""" |
|
726 | """Match attributes or global python names""" | |
728 |
|
727 | |||
729 | #io.rprint('Completer->python_matches, txt=%r' % text) # dbg |
|
728 | #io.rprint('Completer->python_matches, txt=%r' % text) # dbg | |
730 | if "." in text: |
|
729 | if "." in text: | |
731 | try: |
|
730 | try: | |
732 | matches = self.attr_matches(text) |
|
731 | matches = self.attr_matches(text) | |
733 | if text.endswith('.') and self.omit__names: |
|
732 | if text.endswith('.') and self.omit__names: | |
734 | if self.omit__names == 1: |
|
733 | if self.omit__names == 1: | |
735 | # true if txt is _not_ a __ name, false otherwise: |
|
734 | # true if txt is _not_ a __ name, false otherwise: | |
736 | no__name = (lambda txt: |
|
735 | no__name = (lambda txt: | |
737 | re.match(r'.*\.__.*?__',txt) is None) |
|
736 | re.match(r'.*\.__.*?__',txt) is None) | |
738 | else: |
|
737 | else: | |
739 | # true if txt is _not_ a _ name, false otherwise: |
|
738 | # true if txt is _not_ a _ name, false otherwise: | |
740 | no__name = (lambda txt: |
|
739 | no__name = (lambda txt: | |
741 | re.match(r'.*\._.*?',txt) is None) |
|
740 | re.match(r'.*\._.*?',txt) is None) | |
742 | matches = filter(no__name, matches) |
|
741 | matches = filter(no__name, matches) | |
743 | except NameError: |
|
742 | except NameError: | |
744 | # catches <undefined attributes>.<tab> |
|
743 | # catches <undefined attributes>.<tab> | |
745 | matches = [] |
|
744 | matches = [] | |
746 | else: |
|
745 | else: | |
747 | matches = self.global_matches(text) |
|
746 | matches = self.global_matches(text) | |
748 |
|
747 | |||
749 | return matches |
|
748 | return matches | |
750 |
|
749 | |||
751 | def _default_arguments_from_docstring(self, doc): |
|
750 | def _default_arguments_from_docstring(self, doc): | |
752 | """Parse the first line of docstring for call signature. |
|
751 | """Parse the first line of docstring for call signature. | |
753 |
|
752 | |||
754 | Docstring should be of the form 'min(iterable[, key=func])\n'. |
|
753 | Docstring should be of the form 'min(iterable[, key=func])\n'. | |
755 | It can also parse cython docstring of the form |
|
754 | It can also parse cython docstring of the form | |
756 | 'Minuit.migrad(self, int ncall=10000, resume=True, int nsplit=1)'. |
|
755 | 'Minuit.migrad(self, int ncall=10000, resume=True, int nsplit=1)'. | |
757 | """ |
|
756 | """ | |
758 | if doc is None: |
|
757 | if doc is None: | |
759 | return [] |
|
758 | return [] | |
760 |
|
759 | |||
761 | #care only the firstline |
|
760 | #care only the firstline | |
762 | line = doc.lstrip().splitlines()[0] |
|
761 | line = doc.lstrip().splitlines()[0] | |
763 |
|
762 | |||
764 | #p = re.compile(r'^[\w|\s.]+\(([^)]*)\).*') |
|
763 | #p = re.compile(r'^[\w|\s.]+\(([^)]*)\).*') | |
765 | #'min(iterable[, key=func])\n' -> 'iterable[, key=func]' |
|
764 | #'min(iterable[, key=func])\n' -> 'iterable[, key=func]' | |
766 | sig = self.docstring_sig_re.search(line) |
|
765 | sig = self.docstring_sig_re.search(line) | |
767 | if sig is None: |
|
766 | if sig is None: | |
768 | return [] |
|
767 | return [] | |
769 | # iterable[, key=func]' -> ['iterable[' ,' key=func]'] |
|
768 | # iterable[, key=func]' -> ['iterable[' ,' key=func]'] | |
770 | sig = sig.groups()[0].split(',') |
|
769 | sig = sig.groups()[0].split(',') | |
771 | ret = [] |
|
770 | ret = [] | |
772 | for s in sig: |
|
771 | for s in sig: | |
773 | #re.compile(r'[\s|\[]*(\w+)(?:\s*=\s*.*)') |
|
772 | #re.compile(r'[\s|\[]*(\w+)(?:\s*=\s*.*)') | |
774 | ret += self.docstring_kwd_re.findall(s) |
|
773 | ret += self.docstring_kwd_re.findall(s) | |
775 | return ret |
|
774 | return ret | |
776 |
|
775 | |||
777 | def _default_arguments(self, obj): |
|
776 | def _default_arguments(self, obj): | |
778 | """Return the list of default arguments of obj if it is callable, |
|
777 | """Return the list of default arguments of obj if it is callable, | |
779 | or empty list otherwise.""" |
|
778 | or empty list otherwise.""" | |
780 | call_obj = obj |
|
779 | call_obj = obj | |
781 | ret = [] |
|
780 | ret = [] | |
782 | if inspect.isbuiltin(obj): |
|
781 | if inspect.isbuiltin(obj): | |
783 | pass |
|
782 | pass | |
784 | elif not (inspect.isfunction(obj) or inspect.ismethod(obj)): |
|
783 | elif not (inspect.isfunction(obj) or inspect.ismethod(obj)): | |
785 | if inspect.isclass(obj): |
|
784 | if inspect.isclass(obj): | |
786 | #for cython embededsignature=True the constructor docstring |
|
785 | #for cython embededsignature=True the constructor docstring | |
787 | #belongs to the object itself not __init__ |
|
786 | #belongs to the object itself not __init__ | |
788 | ret += self._default_arguments_from_docstring( |
|
787 | ret += self._default_arguments_from_docstring( | |
789 | getattr(obj, '__doc__', '')) |
|
788 | getattr(obj, '__doc__', '')) | |
790 | # for classes, check for __init__,__new__ |
|
789 | # for classes, check for __init__,__new__ | |
791 | call_obj = (getattr(obj, '__init__', None) or |
|
790 | call_obj = (getattr(obj, '__init__', None) or | |
792 | getattr(obj, '__new__', None)) |
|
791 | getattr(obj, '__new__', None)) | |
793 | # for all others, check if they are __call__able |
|
792 | # for all others, check if they are __call__able | |
794 | elif hasattr(obj, '__call__'): |
|
793 | elif hasattr(obj, '__call__'): | |
795 | call_obj = obj.__call__ |
|
794 | call_obj = obj.__call__ | |
796 |
|
795 | |||
797 | ret += self._default_arguments_from_docstring( |
|
796 | ret += self._default_arguments_from_docstring( | |
798 | getattr(call_obj, '__doc__', '')) |
|
797 | getattr(call_obj, '__doc__', '')) | |
799 |
|
798 | |||
800 | try: |
|
799 | try: | |
801 | args,_,_1,defaults = inspect.getargspec(call_obj) |
|
800 | args,_,_1,defaults = inspect.getargspec(call_obj) | |
802 | if defaults: |
|
801 | if defaults: | |
803 | ret+=args[-len(defaults):] |
|
802 | ret+=args[-len(defaults):] | |
804 | except TypeError: |
|
803 | except TypeError: | |
805 | pass |
|
804 | pass | |
806 |
|
805 | |||
807 | return list(set(ret)) |
|
806 | return list(set(ret)) | |
808 |
|
807 | |||
809 | def python_func_kw_matches(self,text): |
|
808 | def python_func_kw_matches(self,text): | |
810 | """Match named parameters (kwargs) of the last open function""" |
|
809 | """Match named parameters (kwargs) of the last open function""" | |
811 |
|
810 | |||
812 | if "." in text: # a parameter cannot be dotted |
|
811 | if "." in text: # a parameter cannot be dotted | |
813 | return [] |
|
812 | return [] | |
814 | try: regexp = self.__funcParamsRegex |
|
813 | try: regexp = self.__funcParamsRegex | |
815 | except AttributeError: |
|
814 | except AttributeError: | |
816 | regexp = self.__funcParamsRegex = re.compile(r''' |
|
815 | regexp = self.__funcParamsRegex = re.compile(r''' | |
817 | '.*?(?<!\\)' | # single quoted strings or |
|
816 | '.*?(?<!\\)' | # single quoted strings or | |
818 | ".*?(?<!\\)" | # double quoted strings or |
|
817 | ".*?(?<!\\)" | # double quoted strings or | |
819 | \w+ | # identifier |
|
818 | \w+ | # identifier | |
820 | \S # other characters |
|
819 | \S # other characters | |
821 | ''', re.VERBOSE | re.DOTALL) |
|
820 | ''', re.VERBOSE | re.DOTALL) | |
822 | # 1. find the nearest identifier that comes before an unclosed |
|
821 | # 1. find the nearest identifier that comes before an unclosed | |
823 | # parenthesis before the cursor |
|
822 | # parenthesis before the cursor | |
824 | # e.g. for "foo (1+bar(x), pa<cursor>,a=1)", the candidate is "foo" |
|
823 | # e.g. for "foo (1+bar(x), pa<cursor>,a=1)", the candidate is "foo" | |
825 | tokens = regexp.findall(self.text_until_cursor) |
|
824 | tokens = regexp.findall(self.text_until_cursor) | |
826 | tokens.reverse() |
|
825 | tokens.reverse() | |
827 | iterTokens = iter(tokens); openPar = 0 |
|
826 | iterTokens = iter(tokens); openPar = 0 | |
828 |
|
827 | |||
829 | for token in iterTokens: |
|
828 | for token in iterTokens: | |
830 | if token == ')': |
|
829 | if token == ')': | |
831 | openPar -= 1 |
|
830 | openPar -= 1 | |
832 | elif token == '(': |
|
831 | elif token == '(': | |
833 | openPar += 1 |
|
832 | openPar += 1 | |
834 | if openPar > 0: |
|
833 | if openPar > 0: | |
835 | # found the last unclosed parenthesis |
|
834 | # found the last unclosed parenthesis | |
836 | break |
|
835 | break | |
837 | else: |
|
836 | else: | |
838 | return [] |
|
837 | return [] | |
839 | # 2. Concatenate dotted names ("foo.bar" for "foo.bar(x, pa" ) |
|
838 | # 2. Concatenate dotted names ("foo.bar" for "foo.bar(x, pa" ) | |
840 | ids = [] |
|
839 | ids = [] | |
841 | isId = re.compile(r'\w+$').match |
|
840 | isId = re.compile(r'\w+$').match | |
842 |
|
841 | |||
843 | while True: |
|
842 | while True: | |
844 | try: |
|
843 | try: | |
845 | ids.append(next(iterTokens)) |
|
844 | ids.append(next(iterTokens)) | |
846 | if not isId(ids[-1]): |
|
845 | if not isId(ids[-1]): | |
847 | ids.pop(); break |
|
846 | ids.pop(); break | |
848 | if not next(iterTokens) == '.': |
|
847 | if not next(iterTokens) == '.': | |
849 | break |
|
848 | break | |
850 | except StopIteration: |
|
849 | except StopIteration: | |
851 | break |
|
850 | break | |
852 | # lookup the candidate callable matches either using global_matches |
|
851 | # lookup the candidate callable matches either using global_matches | |
853 | # or attr_matches for dotted names |
|
852 | # or attr_matches for dotted names | |
854 | if len(ids) == 1: |
|
853 | if len(ids) == 1: | |
855 | callableMatches = self.global_matches(ids[0]) |
|
854 | callableMatches = self.global_matches(ids[0]) | |
856 | else: |
|
855 | else: | |
857 | callableMatches = self.attr_matches('.'.join(ids[::-1])) |
|
856 | callableMatches = self.attr_matches('.'.join(ids[::-1])) | |
858 | argMatches = [] |
|
857 | argMatches = [] | |
859 | for callableMatch in callableMatches: |
|
858 | for callableMatch in callableMatches: | |
860 | try: |
|
859 | try: | |
861 | namedArgs = self._default_arguments(eval(callableMatch, |
|
860 | namedArgs = self._default_arguments(eval(callableMatch, | |
862 | self.namespace)) |
|
861 | self.namespace)) | |
863 | except: |
|
862 | except: | |
864 | continue |
|
863 | continue | |
865 |
|
864 | |||
866 | for namedArg in namedArgs: |
|
865 | for namedArg in namedArgs: | |
867 | if namedArg.startswith(text): |
|
866 | if namedArg.startswith(text): | |
868 | argMatches.append("%s=" %namedArg) |
|
867 | argMatches.append("%s=" %namedArg) | |
869 | return argMatches |
|
868 | return argMatches | |
870 |
|
869 | |||
871 | def dict_key_matches(self, text): |
|
870 | def dict_key_matches(self, text): | |
872 | "Match string keys in a dictionary, after e.g. 'foo[' " |
|
871 | "Match string keys in a dictionary, after e.g. 'foo[' " | |
873 | def get_keys(obj): |
|
872 | def get_keys(obj): | |
874 | # Only allow completion for known in-memory dict-like types |
|
873 | # Only allow completion for known in-memory dict-like types | |
875 | if isinstance(obj, dict) or\ |
|
874 | if isinstance(obj, dict) or\ | |
876 | _safe_isinstance(obj, 'pandas', 'DataFrame'): |
|
875 | _safe_isinstance(obj, 'pandas', 'DataFrame'): | |
877 | try: |
|
876 | try: | |
878 | return list(obj.keys()) |
|
877 | return list(obj.keys()) | |
879 | except Exception: |
|
878 | except Exception: | |
880 | return [] |
|
879 | return [] | |
881 | elif _safe_isinstance(obj, 'numpy', 'ndarray'): |
|
880 | elif _safe_isinstance(obj, 'numpy', 'ndarray'): | |
882 | return obj.dtype.names or [] |
|
881 | return obj.dtype.names or [] | |
883 | return [] |
|
882 | return [] | |
884 |
|
883 | |||
885 | try: |
|
884 | try: | |
886 | regexps = self.__dict_key_regexps |
|
885 | regexps = self.__dict_key_regexps | |
887 | except AttributeError: |
|
886 | except AttributeError: | |
888 | dict_key_re_fmt = r'''(?x) |
|
887 | dict_key_re_fmt = r'''(?x) | |
889 | ( # match dict-referring expression wrt greedy setting |
|
888 | ( # match dict-referring expression wrt greedy setting | |
890 | %s |
|
889 | %s | |
891 | ) |
|
890 | ) | |
892 | \[ # open bracket |
|
891 | \[ # open bracket | |
893 | \s* # and optional whitespace |
|
892 | \s* # and optional whitespace | |
894 | ([uUbB]? # string prefix (r not handled) |
|
893 | ([uUbB]? # string prefix (r not handled) | |
895 | (?: # unclosed string |
|
894 | (?: # unclosed string | |
896 | '(?:[^']|(?<!\\)\\')* |
|
895 | '(?:[^']|(?<!\\)\\')* | |
897 | | |
|
896 | | | |
898 | "(?:[^"]|(?<!\\)\\")* |
|
897 | "(?:[^"]|(?<!\\)\\")* | |
899 | ) |
|
898 | ) | |
900 | )? |
|
899 | )? | |
901 | $ |
|
900 | $ | |
902 | ''' |
|
901 | ''' | |
903 | regexps = self.__dict_key_regexps = { |
|
902 | regexps = self.__dict_key_regexps = { | |
904 | False: re.compile(dict_key_re_fmt % ''' |
|
903 | False: re.compile(dict_key_re_fmt % ''' | |
905 | # identifiers separated by . |
|
904 | # identifiers separated by . | |
906 | (?!\d)\w+ |
|
905 | (?!\d)\w+ | |
907 | (?:\.(?!\d)\w+)* |
|
906 | (?:\.(?!\d)\w+)* | |
908 | '''), |
|
907 | '''), | |
909 | True: re.compile(dict_key_re_fmt % ''' |
|
908 | True: re.compile(dict_key_re_fmt % ''' | |
910 | .+ |
|
909 | .+ | |
911 | ''') |
|
910 | ''') | |
912 | } |
|
911 | } | |
913 |
|
912 | |||
914 | match = regexps[self.greedy].search(self.text_until_cursor) |
|
913 | match = regexps[self.greedy].search(self.text_until_cursor) | |
915 | if match is None: |
|
914 | if match is None: | |
916 | return [] |
|
915 | return [] | |
917 |
|
916 | |||
918 | expr, prefix = match.groups() |
|
917 | expr, prefix = match.groups() | |
919 | try: |
|
918 | try: | |
920 | obj = eval(expr, self.namespace) |
|
919 | obj = eval(expr, self.namespace) | |
921 | except Exception: |
|
920 | except Exception: | |
922 | try: |
|
921 | try: | |
923 | obj = eval(expr, self.global_namespace) |
|
922 | obj = eval(expr, self.global_namespace) | |
924 | except Exception: |
|
923 | except Exception: | |
925 | return [] |
|
924 | return [] | |
926 |
|
925 | |||
927 | keys = get_keys(obj) |
|
926 | keys = get_keys(obj) | |
928 | if not keys: |
|
927 | if not keys: | |
929 | return keys |
|
928 | return keys | |
930 | closing_quote, token_offset, matches = match_dict_keys(keys, prefix) |
|
929 | closing_quote, token_offset, matches = match_dict_keys(keys, prefix) | |
931 | if not matches: |
|
930 | if not matches: | |
932 | return matches |
|
931 | return matches | |
933 |
|
932 | |||
934 | # get the cursor position of |
|
933 | # get the cursor position of | |
935 | # - the text being completed |
|
934 | # - the text being completed | |
936 | # - the start of the key text |
|
935 | # - the start of the key text | |
937 | # - the start of the completion |
|
936 | # - the start of the completion | |
938 | text_start = len(self.text_until_cursor) - len(text) |
|
937 | text_start = len(self.text_until_cursor) - len(text) | |
939 | if prefix: |
|
938 | if prefix: | |
940 | key_start = match.start(2) |
|
939 | key_start = match.start(2) | |
941 | completion_start = key_start + token_offset |
|
940 | completion_start = key_start + token_offset | |
942 | else: |
|
941 | else: | |
943 | key_start = completion_start = match.end() |
|
942 | key_start = completion_start = match.end() | |
944 |
|
943 | |||
945 | # grab the leading prefix, to make sure all completions start with `text` |
|
944 | # grab the leading prefix, to make sure all completions start with `text` | |
946 | if text_start > key_start: |
|
945 | if text_start > key_start: | |
947 | leading = '' |
|
946 | leading = '' | |
948 | else: |
|
947 | else: | |
949 | leading = text[text_start:completion_start] |
|
948 | leading = text[text_start:completion_start] | |
950 |
|
949 | |||
951 | # the index of the `[` character |
|
950 | # the index of the `[` character | |
952 | bracket_idx = match.end(1) |
|
951 | bracket_idx = match.end(1) | |
953 |
|
952 | |||
954 | # append closing quote and bracket as appropriate |
|
953 | # append closing quote and bracket as appropriate | |
955 | # this is *not* appropriate if the opening quote or bracket is outside |
|
954 | # this is *not* appropriate if the opening quote or bracket is outside | |
956 | # the text given to this method |
|
955 | # the text given to this method | |
957 | suf = '' |
|
956 | suf = '' | |
958 | continuation = self.line_buffer[len(self.text_until_cursor):] |
|
957 | continuation = self.line_buffer[len(self.text_until_cursor):] | |
959 | if key_start > text_start and closing_quote: |
|
958 | if key_start > text_start and closing_quote: | |
960 | # quotes were opened inside text, maybe close them |
|
959 | # quotes were opened inside text, maybe close them | |
961 | if continuation.startswith(closing_quote): |
|
960 | if continuation.startswith(closing_quote): | |
962 | continuation = continuation[len(closing_quote):] |
|
961 | continuation = continuation[len(closing_quote):] | |
963 | else: |
|
962 | else: | |
964 | suf += closing_quote |
|
963 | suf += closing_quote | |
965 | if bracket_idx > text_start: |
|
964 | if bracket_idx > text_start: | |
966 | # brackets were opened inside text, maybe close them |
|
965 | # brackets were opened inside text, maybe close them | |
967 | if not continuation.startswith(']'): |
|
966 | if not continuation.startswith(']'): | |
968 | suf += ']' |
|
967 | suf += ']' | |
969 |
|
968 | |||
970 | return [leading + k + suf for k in matches] |
|
969 | return [leading + k + suf for k in matches] | |
971 |
|
970 | |||
972 | def latex_matches(self, text): |
|
971 | def latex_matches(self, text): | |
973 | slashpos = text.rfind('\\') |
|
972 | slashpos = text.rfind('\\') | |
974 | if slashpos > -1: |
|
973 | if slashpos > -1: | |
975 | s = text[slashpos:] |
|
974 | s = text[slashpos:] | |
976 | if s in latex_symbols: |
|
975 | if s in latex_symbols: | |
977 | return s, [latex_symbols[s]] |
|
976 | return s, [latex_symbols[s]] | |
978 | return u'', [] |
|
977 | return u'', [] | |
979 |
|
978 | |||
980 | def dispatch_custom_completer(self, text): |
|
979 | def dispatch_custom_completer(self, text): | |
981 | #io.rprint("Custom! '%s' %s" % (text, self.custom_completers)) # dbg |
|
980 | #io.rprint("Custom! '%s' %s" % (text, self.custom_completers)) # dbg | |
982 | line = self.line_buffer |
|
981 | line = self.line_buffer | |
983 | if not line.strip(): |
|
982 | if not line.strip(): | |
984 | return None |
|
983 | return None | |
985 |
|
984 | |||
986 | # Create a little structure to pass all the relevant information about |
|
985 | # Create a little structure to pass all the relevant information about | |
987 | # the current completion to any custom completer. |
|
986 | # the current completion to any custom completer. | |
988 | event = Bunch() |
|
987 | event = Bunch() | |
989 | event.line = line |
|
988 | event.line = line | |
990 | event.symbol = text |
|
989 | event.symbol = text | |
991 | cmd = line.split(None,1)[0] |
|
990 | cmd = line.split(None,1)[0] | |
992 | event.command = cmd |
|
991 | event.command = cmd | |
993 | event.text_until_cursor = self.text_until_cursor |
|
992 | event.text_until_cursor = self.text_until_cursor | |
994 |
|
993 | |||
995 | #print "\ncustom:{%s]\n" % event # dbg |
|
994 | #print "\ncustom:{%s]\n" % event # dbg | |
996 |
|
995 | |||
997 | # for foo etc, try also to find completer for %foo |
|
996 | # for foo etc, try also to find completer for %foo | |
998 | if not cmd.startswith(self.magic_escape): |
|
997 | if not cmd.startswith(self.magic_escape): | |
999 | try_magic = self.custom_completers.s_matches( |
|
998 | try_magic = self.custom_completers.s_matches( | |
1000 | self.magic_escape + cmd) |
|
999 | self.magic_escape + cmd) | |
1001 | else: |
|
1000 | else: | |
1002 | try_magic = [] |
|
1001 | try_magic = [] | |
1003 |
|
1002 | |||
1004 | for c in itertools.chain(self.custom_completers.s_matches(cmd), |
|
1003 | for c in itertools.chain(self.custom_completers.s_matches(cmd), | |
1005 | try_magic, |
|
1004 | try_magic, | |
1006 | self.custom_completers.flat_matches(self.text_until_cursor)): |
|
1005 | self.custom_completers.flat_matches(self.text_until_cursor)): | |
1007 | #print "try",c # dbg |
|
1006 | #print "try",c # dbg | |
1008 | try: |
|
1007 | try: | |
1009 | res = c(event) |
|
1008 | res = c(event) | |
1010 | if res: |
|
1009 | if res: | |
1011 | # first, try case sensitive match |
|
1010 | # first, try case sensitive match | |
1012 | withcase = [r for r in res if r.startswith(text)] |
|
1011 | withcase = [r for r in res if r.startswith(text)] | |
1013 | if withcase: |
|
1012 | if withcase: | |
1014 | return withcase |
|
1013 | return withcase | |
1015 | # if none, then case insensitive ones are ok too |
|
1014 | # if none, then case insensitive ones are ok too | |
1016 | text_low = text.lower() |
|
1015 | text_low = text.lower() | |
1017 | return [r for r in res if r.lower().startswith(text_low)] |
|
1016 | return [r for r in res if r.lower().startswith(text_low)] | |
1018 | except TryNext: |
|
1017 | except TryNext: | |
1019 | pass |
|
1018 | pass | |
1020 |
|
1019 | |||
1021 | return None |
|
1020 | return None | |
1022 |
|
1021 | |||
1023 | def complete(self, text=None, line_buffer=None, cursor_pos=None): |
|
1022 | def complete(self, text=None, line_buffer=None, cursor_pos=None): | |
1024 | """Find completions for the given text and line context. |
|
1023 | """Find completions for the given text and line context. | |
1025 |
|
1024 | |||
1026 | Note that both the text and the line_buffer are optional, but at least |
|
1025 | Note that both the text and the line_buffer are optional, but at least | |
1027 | one of them must be given. |
|
1026 | one of them must be given. | |
1028 |
|
1027 | |||
1029 | Parameters |
|
1028 | Parameters | |
1030 | ---------- |
|
1029 | ---------- | |
1031 | text : string, optional |
|
1030 | text : string, optional | |
1032 | Text to perform the completion on. If not given, the line buffer |
|
1031 | Text to perform the completion on. If not given, the line buffer | |
1033 | is split using the instance's CompletionSplitter object. |
|
1032 | is split using the instance's CompletionSplitter object. | |
1034 |
|
1033 | |||
1035 | line_buffer : string, optional |
|
1034 | line_buffer : string, optional | |
1036 | If not given, the completer attempts to obtain the current line |
|
1035 | If not given, the completer attempts to obtain the current line | |
1037 | buffer via readline. This keyword allows clients which are |
|
1036 | buffer via readline. This keyword allows clients which are | |
1038 | requesting for text completions in non-readline contexts to inform |
|
1037 | requesting for text completions in non-readline contexts to inform | |
1039 | the completer of the entire text. |
|
1038 | the completer of the entire text. | |
1040 |
|
1039 | |||
1041 | cursor_pos : int, optional |
|
1040 | cursor_pos : int, optional | |
1042 | Index of the cursor in the full line buffer. Should be provided by |
|
1041 | Index of the cursor in the full line buffer. Should be provided by | |
1043 | remote frontends where kernel has no access to frontend state. |
|
1042 | remote frontends where kernel has no access to frontend state. | |
1044 |
|
1043 | |||
1045 | Returns |
|
1044 | Returns | |
1046 | ------- |
|
1045 | ------- | |
1047 | text : str |
|
1046 | text : str | |
1048 | Text that was actually used in the completion. |
|
1047 | Text that was actually used in the completion. | |
1049 |
|
1048 | |||
1050 | matches : list |
|
1049 | matches : list | |
1051 | A list of completion matches. |
|
1050 | A list of completion matches. | |
1052 | """ |
|
1051 | """ | |
1053 | # io.rprint('\nCOMP1 %r %r %r' % (text, line_buffer, cursor_pos)) # dbg |
|
1052 | # io.rprint('\nCOMP1 %r %r %r' % (text, line_buffer, cursor_pos)) # dbg | |
1054 |
|
1053 | |||
1055 | # if the cursor position isn't given, the only sane assumption we can |
|
1054 | # if the cursor position isn't given, the only sane assumption we can | |
1056 | # make is that it's at the end of the line (the common case) |
|
1055 | # make is that it's at the end of the line (the common case) | |
1057 | if cursor_pos is None: |
|
1056 | if cursor_pos is None: | |
1058 | cursor_pos = len(line_buffer) if text is None else len(text) |
|
1057 | cursor_pos = len(line_buffer) if text is None else len(text) | |
1059 |
|
1058 | |||
|
1059 | if PY3: | |||
1060 | latex_text = text if not line_buffer else line_buffer[:cursor_pos] |
|
1060 | latex_text = text if not line_buffer else line_buffer[:cursor_pos] | |
1061 | latex_text, latex_matches = self.latex_matches(latex_text) |
|
1061 | latex_text, latex_matches = self.latex_matches(latex_text) | |
1062 | if latex_matches: |
|
1062 | if latex_matches: | |
1063 | return latex_text, latex_matches |
|
1063 | return latex_text, latex_matches | |
1064 |
|
1064 | |||
1065 | # if text is either None or an empty string, rely on the line buffer |
|
1065 | # if text is either None or an empty string, rely on the line buffer | |
1066 | if not text: |
|
1066 | if not text: | |
1067 | text = self.splitter.split_line(line_buffer, cursor_pos) |
|
1067 | text = self.splitter.split_line(line_buffer, cursor_pos) | |
1068 |
|
1068 | |||
1069 | # If no line buffer is given, assume the input text is all there was |
|
1069 | # If no line buffer is given, assume the input text is all there was | |
1070 | if line_buffer is None: |
|
1070 | if line_buffer is None: | |
1071 | line_buffer = text |
|
1071 | line_buffer = text | |
1072 |
|
1072 | |||
1073 | self.line_buffer = line_buffer |
|
1073 | self.line_buffer = line_buffer | |
1074 | self.text_until_cursor = self.line_buffer[:cursor_pos] |
|
1074 | self.text_until_cursor = self.line_buffer[:cursor_pos] | |
1075 | # io.rprint('COMP2 %r %r %r' % (text, line_buffer, cursor_pos)) # dbg |
|
1075 | # io.rprint('COMP2 %r %r %r' % (text, line_buffer, cursor_pos)) # dbg | |
1076 |
|
1076 | |||
1077 | # Start with a clean slate of completions |
|
1077 | # Start with a clean slate of completions | |
1078 | self.matches[:] = [] |
|
1078 | self.matches[:] = [] | |
1079 | custom_res = self.dispatch_custom_completer(text) |
|
1079 | custom_res = self.dispatch_custom_completer(text) | |
1080 | if custom_res is not None: |
|
1080 | if custom_res is not None: | |
1081 | # did custom completers produce something? |
|
1081 | # did custom completers produce something? | |
1082 | self.matches = custom_res |
|
1082 | self.matches = custom_res | |
1083 | else: |
|
1083 | else: | |
1084 | # Extend the list of completions with the results of each |
|
1084 | # Extend the list of completions with the results of each | |
1085 | # matcher, so we return results to the user from all |
|
1085 | # matcher, so we return results to the user from all | |
1086 | # namespaces. |
|
1086 | # namespaces. | |
1087 | if self.merge_completions: |
|
1087 | if self.merge_completions: | |
1088 | self.matches = [] |
|
1088 | self.matches = [] | |
1089 | for matcher in self.matchers: |
|
1089 | for matcher in self.matchers: | |
1090 | try: |
|
1090 | try: | |
1091 | self.matches.extend(matcher(text)) |
|
1091 | self.matches.extend(matcher(text)) | |
1092 | except: |
|
1092 | except: | |
1093 | # Show the ugly traceback if the matcher causes an |
|
1093 | # Show the ugly traceback if the matcher causes an | |
1094 | # exception, but do NOT crash the kernel! |
|
1094 | # exception, but do NOT crash the kernel! | |
1095 | sys.excepthook(*sys.exc_info()) |
|
1095 | sys.excepthook(*sys.exc_info()) | |
1096 | else: |
|
1096 | else: | |
1097 | for matcher in self.matchers: |
|
1097 | for matcher in self.matchers: | |
1098 | self.matches = matcher(text) |
|
1098 | self.matches = matcher(text) | |
1099 | if self.matches: |
|
1099 | if self.matches: | |
1100 | break |
|
1100 | break | |
1101 | # FIXME: we should extend our api to return a dict with completions for |
|
1101 | # FIXME: we should extend our api to return a dict with completions for | |
1102 | # different types of objects. The rlcomplete() method could then |
|
1102 | # different types of objects. The rlcomplete() method could then | |
1103 | # simply collapse the dict into a list for readline, but we'd have |
|
1103 | # simply collapse the dict into a list for readline, but we'd have | |
1104 | # richer completion semantics in other evironments. |
|
1104 | # richer completion semantics in other evironments. | |
1105 |
|
1105 | |||
1106 | # use penalize_magics_key to put magics after variables with same name |
|
1106 | # use penalize_magics_key to put magics after variables with same name | |
1107 | self.matches = sorted(set(self.matches), key=penalize_magics_key) |
|
1107 | self.matches = sorted(set(self.matches), key=penalize_magics_key) | |
1108 |
|
1108 | |||
1109 | #io.rprint('COMP TEXT, MATCHES: %r, %r' % (text, self.matches)) # dbg |
|
1109 | #io.rprint('COMP TEXT, MATCHES: %r, %r' % (text, self.matches)) # dbg | |
1110 | return text, self.matches |
|
1110 | return text, self.matches | |
1111 |
|
1111 | |||
1112 | def rlcomplete(self, text, state): |
|
1112 | def rlcomplete(self, text, state): | |
1113 | """Return the state-th possible completion for 'text'. |
|
1113 | """Return the state-th possible completion for 'text'. | |
1114 |
|
1114 | |||
1115 | This is called successively with state == 0, 1, 2, ... until it |
|
1115 | This is called successively with state == 0, 1, 2, ... until it | |
1116 | returns None. The completion should begin with 'text'. |
|
1116 | returns None. The completion should begin with 'text'. | |
1117 |
|
1117 | |||
1118 | Parameters |
|
1118 | Parameters | |
1119 | ---------- |
|
1119 | ---------- | |
1120 | text : string |
|
1120 | text : string | |
1121 | Text to perform the completion on. |
|
1121 | Text to perform the completion on. | |
1122 |
|
1122 | |||
1123 | state : int |
|
1123 | state : int | |
1124 | Counter used by readline. |
|
1124 | Counter used by readline. | |
1125 | """ |
|
1125 | """ | |
1126 | if state==0: |
|
1126 | if state==0: | |
1127 |
|
1127 | |||
1128 | self.line_buffer = line_buffer = self.readline.get_line_buffer() |
|
1128 | self.line_buffer = line_buffer = self.readline.get_line_buffer() | |
1129 | cursor_pos = self.readline.get_endidx() |
|
1129 | cursor_pos = self.readline.get_endidx() | |
1130 |
|
1130 | |||
1131 | #io.rprint("\nRLCOMPLETE: %r %r %r" % |
|
1131 | #io.rprint("\nRLCOMPLETE: %r %r %r" % | |
1132 | # (text, line_buffer, cursor_pos) ) # dbg |
|
1132 | # (text, line_buffer, cursor_pos) ) # dbg | |
1133 |
|
1133 | |||
1134 | # if there is only a tab on a line with only whitespace, instead of |
|
1134 | # if there is only a tab on a line with only whitespace, instead of | |
1135 | # the mostly useless 'do you want to see all million completions' |
|
1135 | # the mostly useless 'do you want to see all million completions' | |
1136 | # message, just do the right thing and give the user his tab! |
|
1136 | # message, just do the right thing and give the user his tab! | |
1137 | # Incidentally, this enables pasting of tabbed text from an editor |
|
1137 | # Incidentally, this enables pasting of tabbed text from an editor | |
1138 | # (as long as autoindent is off). |
|
1138 | # (as long as autoindent is off). | |
1139 |
|
1139 | |||
1140 | # It should be noted that at least pyreadline still shows file |
|
1140 | # It should be noted that at least pyreadline still shows file | |
1141 | # completions - is there a way around it? |
|
1141 | # completions - is there a way around it? | |
1142 |
|
1142 | |||
1143 | # don't apply this on 'dumb' terminals, such as emacs buffers, so |
|
1143 | # don't apply this on 'dumb' terminals, such as emacs buffers, so | |
1144 | # we don't interfere with their own tab-completion mechanism. |
|
1144 | # we don't interfere with their own tab-completion mechanism. | |
1145 | if not (self.dumb_terminal or line_buffer.strip()): |
|
1145 | if not (self.dumb_terminal or line_buffer.strip()): | |
1146 | self.readline.insert_text('\t') |
|
1146 | self.readline.insert_text('\t') | |
1147 | sys.stdout.flush() |
|
1147 | sys.stdout.flush() | |
1148 | return None |
|
1148 | return None | |
1149 |
|
1149 | |||
1150 | # Note: debugging exceptions that may occur in completion is very |
|
1150 | # Note: debugging exceptions that may occur in completion is very | |
1151 | # tricky, because readline unconditionally silences them. So if |
|
1151 | # tricky, because readline unconditionally silences them. So if | |
1152 | # during development you suspect a bug in the completion code, turn |
|
1152 | # during development you suspect a bug in the completion code, turn | |
1153 | # this flag on temporarily by uncommenting the second form (don't |
|
1153 | # this flag on temporarily by uncommenting the second form (don't | |
1154 | # flip the value in the first line, as the '# dbg' marker can be |
|
1154 | # flip the value in the first line, as the '# dbg' marker can be | |
1155 | # automatically detected and is used elsewhere). |
|
1155 | # automatically detected and is used elsewhere). | |
1156 | DEBUG = False |
|
1156 | DEBUG = False | |
1157 | #DEBUG = True # dbg |
|
1157 | #DEBUG = True # dbg | |
1158 | if DEBUG: |
|
1158 | if DEBUG: | |
1159 | try: |
|
1159 | try: | |
1160 | self.complete(text, line_buffer, cursor_pos) |
|
1160 | self.complete(text, line_buffer, cursor_pos) | |
1161 | except: |
|
1161 | except: | |
1162 | import traceback; traceback.print_exc() |
|
1162 | import traceback; traceback.print_exc() | |
1163 | else: |
|
1163 | else: | |
1164 | # The normal production version is here |
|
1164 | # The normal production version is here | |
1165 |
|
1165 | |||
1166 | # This method computes the self.matches array |
|
1166 | # This method computes the self.matches array | |
1167 | self.complete(text, line_buffer, cursor_pos) |
|
1167 | self.complete(text, line_buffer, cursor_pos) | |
1168 |
|
1168 | |||
1169 | try: |
|
1169 | try: | |
1170 | return self.matches[state] |
|
1170 | return self.matches[state] | |
1171 | except IndexError: |
|
1171 | except IndexError: | |
1172 | return None |
|
1172 | return None |
@@ -1,400 +1,399 b'' | |||||
1 | // Copyright (c) IPython Development Team. |
|
1 | // Copyright (c) IPython Development Team. | |
2 | // Distributed under the terms of the Modified BSD License. |
|
2 | // Distributed under the terms of the Modified BSD License. | |
3 |
|
3 | |||
4 | define([ |
|
4 | define([ | |
5 | 'base/js/namespace', |
|
5 | 'base/js/namespace', | |
6 | 'jquery', |
|
6 | 'jquery', | |
7 | 'base/js/utils', |
|
7 | 'base/js/utils', | |
8 | 'base/js/keyboard', |
|
8 | 'base/js/keyboard', | |
9 | 'notebook/js/contexthint', |
|
9 | 'notebook/js/contexthint', | |
10 | ], function(IPython, $, utils, keyboard) { |
|
10 | ], function(IPython, $, utils, keyboard) { | |
11 | "use strict"; |
|
11 | "use strict"; | |
12 |
|
12 | |||
13 | // easier key mapping |
|
13 | // easier key mapping | |
14 | var keycodes = keyboard.keycodes; |
|
14 | var keycodes = keyboard.keycodes; | |
15 |
|
15 | |||
16 | var prepend_n_prc = function(str, n) { |
|
16 | var prepend_n_prc = function(str, n) { | |
17 | for( var i =0 ; i< n ; i++){ |
|
17 | for( var i =0 ; i< n ; i++){ | |
18 | str = '%'+str ; |
|
18 | str = '%'+str ; | |
19 | } |
|
19 | } | |
20 | return str; |
|
20 | return str; | |
21 | }; |
|
21 | }; | |
22 |
|
22 | |||
23 | var _existing_completion = function(item, completion_array){ |
|
23 | var _existing_completion = function(item, completion_array){ | |
24 | for( var i=0; i < completion_array.length; i++) { |
|
24 | for( var i=0; i < completion_array.length; i++) { | |
25 | if (completion_array[i].trim().substr(-item.length) == item) { |
|
25 | if (completion_array[i].trim().substr(-item.length) == item) { | |
26 | return true; |
|
26 | return true; | |
27 | } |
|
27 | } | |
28 | } |
|
28 | } | |
29 | return false; |
|
29 | return false; | |
30 | }; |
|
30 | }; | |
31 |
|
31 | |||
32 | // what is the common start of all completions |
|
32 | // what is the common start of all completions | |
33 | function shared_start(B, drop_prct) { |
|
33 | function shared_start(B, drop_prct) { | |
34 | if (B.length == 1) { |
|
34 | if (B.length == 1) { | |
35 | return B[0]; |
|
35 | return B[0]; | |
36 | } |
|
36 | } | |
37 | var A = []; |
|
37 | var A = []; | |
38 | var common; |
|
38 | var common; | |
39 | var min_lead_prct = 10; |
|
39 | var min_lead_prct = 10; | |
40 | for (var i = 0; i < B.length; i++) { |
|
40 | for (var i = 0; i < B.length; i++) { | |
41 | var str = B[i].str; |
|
41 | var str = B[i].str; | |
42 | var localmin = 0; |
|
42 | var localmin = 0; | |
43 | if(drop_prct === true){ |
|
43 | if(drop_prct === true){ | |
44 | while ( str.substr(0, 1) == '%') { |
|
44 | while ( str.substr(0, 1) == '%') { | |
45 | localmin = localmin+1; |
|
45 | localmin = localmin+1; | |
46 | str = str.substring(1); |
|
46 | str = str.substring(1); | |
47 | } |
|
47 | } | |
48 | } |
|
48 | } | |
49 | min_lead_prct = Math.min(min_lead_prct, localmin); |
|
49 | min_lead_prct = Math.min(min_lead_prct, localmin); | |
50 | A.push(str); |
|
50 | A.push(str); | |
51 | } |
|
51 | } | |
52 |
|
52 | |||
53 | if (A.length > 1) { |
|
53 | if (A.length > 1) { | |
54 | var tem1, tem2, s; |
|
54 | var tem1, tem2, s; | |
55 | A = A.slice(0).sort(); |
|
55 | A = A.slice(0).sort(); | |
56 | tem1 = A[0]; |
|
56 | tem1 = A[0]; | |
57 | s = tem1.length; |
|
57 | s = tem1.length; | |
58 | tem2 = A.pop(); |
|
58 | tem2 = A.pop(); | |
59 | while (s && tem2.indexOf(tem1) == -1) { |
|
59 | while (s && tem2.indexOf(tem1) == -1) { | |
60 | tem1 = tem1.substring(0, --s); |
|
60 | tem1 = tem1.substring(0, --s); | |
61 | } |
|
61 | } | |
62 | if (tem1 === "" || tem2.indexOf(tem1) !== 0) { |
|
62 | if (tem1 === "" || tem2.indexOf(tem1) !== 0) { | |
63 | return { |
|
63 | return { | |
64 | str:prepend_n_prc('', min_lead_prct), |
|
64 | str:prepend_n_prc('', min_lead_prct), | |
65 | type: "computed", |
|
65 | type: "computed", | |
66 | from: B[0].from, |
|
66 | from: B[0].from, | |
67 | to: B[0].to |
|
67 | to: B[0].to | |
68 | }; |
|
68 | }; | |
69 | } |
|
69 | } | |
70 | return { |
|
70 | return { | |
71 | str: prepend_n_prc(tem1, min_lead_prct), |
|
71 | str: prepend_n_prc(tem1, min_lead_prct), | |
72 | type: "computed", |
|
72 | type: "computed", | |
73 | from: B[0].from, |
|
73 | from: B[0].from, | |
74 | to: B[0].to |
|
74 | to: B[0].to | |
75 | }; |
|
75 | }; | |
76 | } |
|
76 | } | |
77 | return null; |
|
77 | return null; | |
78 | } |
|
78 | } | |
79 |
|
79 | |||
80 |
|
80 | |||
81 | var Completer = function (cell, events) { |
|
81 | var Completer = function (cell, events) { | |
82 | this.cell = cell; |
|
82 | this.cell = cell; | |
83 | this.editor = cell.code_mirror; |
|
83 | this.editor = cell.code_mirror; | |
84 | var that = this; |
|
84 | var that = this; | |
85 | events.on('status_busy.Kernel', function () { |
|
85 | events.on('status_busy.Kernel', function () { | |
86 | that.skip_kernel_completion = true; |
|
86 | that.skip_kernel_completion = true; | |
87 | }); |
|
87 | }); | |
88 | events.on('status_idle.Kernel', function () { |
|
88 | events.on('status_idle.Kernel', function () { | |
89 | that.skip_kernel_completion = false; |
|
89 | that.skip_kernel_completion = false; | |
90 | }); |
|
90 | }); | |
91 | }; |
|
91 | }; | |
92 |
|
92 | |||
93 | Completer.prototype.startCompletion = function () { |
|
93 | Completer.prototype.startCompletion = function () { | |
94 | // call for a 'first' completion, that will set the editor and do some |
|
94 | // call for a 'first' completion, that will set the editor and do some | |
95 | // special behavior like autopicking if only one completion available. |
|
95 | // special behavior like autopicking if only one completion available. | |
96 | if (this.editor.somethingSelected()) return; |
|
96 | if (this.editor.somethingSelected()) return; | |
97 | this.done = false; |
|
97 | this.done = false; | |
98 | // use to get focus back on opera |
|
98 | // use to get focus back on opera | |
99 | this.carry_on_completion(true); |
|
99 | this.carry_on_completion(true); | |
100 | }; |
|
100 | }; | |
101 |
|
101 | |||
102 |
|
102 | |||
103 | // easy access for julia to monkeypatch |
|
103 | // easy access for julia to monkeypatch | |
104 | // |
|
104 | // | |
105 | Completer.reinvoke_re = /[%0-9a-z._/\\:~-]/i; |
|
105 | Completer.reinvoke_re = /[%0-9a-z._/\\:~-]/i; | |
106 |
|
106 | |||
107 | Completer.prototype.reinvoke= function(pre_cursor, block, cursor){ |
|
107 | Completer.prototype.reinvoke= function(pre_cursor, block, cursor){ | |
108 | return Completer.reinvoke_re.test(pre_cursor); |
|
108 | return Completer.reinvoke_re.test(pre_cursor); | |
109 | }; |
|
109 | }; | |
110 |
|
110 | |||
111 | /** |
|
111 | /** | |
112 | * |
|
112 | * | |
113 | * pass true as parameter if this is the first invocation of the completer |
|
113 | * pass true as parameter if this is the first invocation of the completer | |
114 | * this will prevent the completer to dissmiss itself if it is not on a |
|
114 | * this will prevent the completer to dissmiss itself if it is not on a | |
115 | * word boundary like pressing tab after a space, and make it autopick the |
|
115 | * word boundary like pressing tab after a space, and make it autopick the | |
116 | * only choice if there is only one which prevent from popping the UI. as |
|
116 | * only choice if there is only one which prevent from popping the UI. as | |
117 | * well as fast-forwarding the typing if all completion have a common |
|
117 | * well as fast-forwarding the typing if all completion have a common | |
118 | * shared start |
|
118 | * shared start | |
119 | **/ |
|
119 | **/ | |
120 | Completer.prototype.carry_on_completion = function (first_invocation) { |
|
120 | Completer.prototype.carry_on_completion = function (first_invocation) { | |
121 | // Pass true as parameter if you want the completer to autopick when |
|
121 | // Pass true as parameter if you want the completer to autopick when | |
122 | // only one completion. This function is automatically reinvoked at |
|
122 | // only one completion. This function is automatically reinvoked at | |
123 | // each keystroke with first_invocation = false |
|
123 | // each keystroke with first_invocation = false | |
124 | var cur = this.editor.getCursor(); |
|
124 | var cur = this.editor.getCursor(); | |
125 | var line = this.editor.getLine(cur.line); |
|
125 | var line = this.editor.getLine(cur.line); | |
126 | var pre_cursor = this.editor.getRange({ |
|
126 | var pre_cursor = this.editor.getRange({ | |
127 | line: cur.line, |
|
127 | line: cur.line, | |
128 | ch: cur.ch - 1 |
|
128 | ch: cur.ch - 1 | |
129 | }, cur); |
|
129 | }, cur); | |
130 |
|
130 | |||
131 | // we need to check that we are still on a word boundary |
|
131 | // we need to check that we are still on a word boundary | |
132 | // because while typing the completer is still reinvoking itself |
|
132 | // because while typing the completer is still reinvoking itself | |
133 | // so dismiss if we are on a "bad" caracter |
|
133 | // so dismiss if we are on a "bad" caracter | |
134 | if (!this.reinvoke(pre_cursor) && !first_invocation) { |
|
134 | if (!this.reinvoke(pre_cursor) && !first_invocation) { | |
135 | this.close(); |
|
135 | this.close(); | |
136 | return; |
|
136 | return; | |
137 | } |
|
137 | } | |
138 |
|
138 | |||
139 | this.autopick = false; |
|
139 | this.autopick = false; | |
140 | if (first_invocation) { |
|
140 | if (first_invocation) { | |
141 | this.autopick = true; |
|
141 | this.autopick = true; | |
142 | } |
|
142 | } | |
143 |
|
143 | |||
144 | // We want a single cursor position. |
|
144 | // We want a single cursor position. | |
145 | if (this.editor.somethingSelected()) { |
|
145 | if (this.editor.somethingSelected()) { | |
146 | return; |
|
146 | return; | |
147 | } |
|
147 | } | |
148 |
|
148 | |||
149 | // one kernel completion came back, finish_completing will be called with the results |
|
149 | // one kernel completion came back, finish_completing will be called with the results | |
150 | // we fork here and directly call finish completing if kernel is busy |
|
150 | // we fork here and directly call finish completing if kernel is busy | |
151 | var cursor_pos = utils.to_absolute_cursor_pos(this.editor, cur); |
|
151 | var cursor_pos = utils.to_absolute_cursor_pos(this.editor, cur); | |
152 | if (this.skip_kernel_completion) { |
|
152 | if (this.skip_kernel_completion) { | |
153 | this.finish_completing({ content: { |
|
153 | this.finish_completing({ content: { | |
154 | matches: [], |
|
154 | matches: [], | |
155 | cursor_start: cursor_pos, |
|
155 | cursor_start: cursor_pos, | |
156 | cursor_end: cursor_pos, |
|
156 | cursor_end: cursor_pos, | |
157 | }}); |
|
157 | }}); | |
158 | } else { |
|
158 | } else { | |
159 | this.cell.kernel.complete(this.editor.getValue(), cursor_pos, |
|
159 | this.cell.kernel.complete(this.editor.getValue(), cursor_pos, | |
160 | $.proxy(this.finish_completing, this) |
|
160 | $.proxy(this.finish_completing, this) | |
161 | ); |
|
161 | ); | |
162 | } |
|
162 | } | |
163 | }; |
|
163 | }; | |
164 |
|
164 | |||
165 | Completer.prototype.finish_completing = function (msg) { |
|
165 | Completer.prototype.finish_completing = function (msg) { | |
166 | // let's build a function that wrap all that stuff into what is needed |
|
166 | // let's build a function that wrap all that stuff into what is needed | |
167 | // for the new completer: |
|
167 | // for the new completer: | |
168 | console.log(msg); |
|
|||
169 | var content = msg.content; |
|
168 | var content = msg.content; | |
170 | var start = content.cursor_start; |
|
169 | var start = content.cursor_start; | |
171 | var end = content.cursor_end; |
|
170 | var end = content.cursor_end; | |
172 | var matches = content.matches; |
|
171 | var matches = content.matches; | |
173 |
|
172 | |||
174 | var cur = this.editor.getCursor(); |
|
173 | var cur = this.editor.getCursor(); | |
175 | if (end === null) { |
|
174 | if (end === null) { | |
176 | // adapted message spec replies don't have cursor position info, |
|
175 | // adapted message spec replies don't have cursor position info, | |
177 | // interpret end=null as current position, |
|
176 | // interpret end=null as current position, | |
178 | // and negative start relative to that |
|
177 | // and negative start relative to that | |
179 | end = utils.to_absolute_cursor_pos(this.editor, cur); |
|
178 | end = utils.to_absolute_cursor_pos(this.editor, cur); | |
180 | if (start < 0) { |
|
179 | if (start < 0) { | |
181 | start = end + start; |
|
180 | start = end + start; | |
182 | } |
|
181 | } | |
183 | } |
|
182 | } | |
184 | var results = CodeMirror.contextHint(this.editor); |
|
183 | var results = CodeMirror.contextHint(this.editor); | |
185 | var filtered_results = []; |
|
184 | var filtered_results = []; | |
186 | //remove results from context completion |
|
185 | //remove results from context completion | |
187 | //that are already in kernel completion |
|
186 | //that are already in kernel completion | |
188 | var i; |
|
187 | var i; | |
189 | for (i=0; i < results.length; i++) { |
|
188 | for (i=0; i < results.length; i++) { | |
190 | if (!_existing_completion(results[i].str, matches)) { |
|
189 | if (!_existing_completion(results[i].str, matches)) { | |
191 | filtered_results.push(results[i]); |
|
190 | filtered_results.push(results[i]); | |
192 | } |
|
191 | } | |
193 | } |
|
192 | } | |
194 |
|
193 | |||
195 | // append the introspection result, in order, at at the beginning of |
|
194 | // append the introspection result, in order, at at the beginning of | |
196 | // the table and compute the replacement range from current cursor |
|
195 | // the table and compute the replacement range from current cursor | |
197 | // positon and matched_text length. |
|
196 | // positon and matched_text length. | |
198 | for (i = matches.length - 1; i >= 0; --i) { |
|
197 | for (i = matches.length - 1; i >= 0; --i) { | |
199 | filtered_results.unshift({ |
|
198 | filtered_results.unshift({ | |
200 | str: matches[i], |
|
199 | str: matches[i], | |
201 | type: "introspection", |
|
200 | type: "introspection", | |
202 | from: utils.from_absolute_cursor_pos(this.editor, start), |
|
201 | from: utils.from_absolute_cursor_pos(this.editor, start), | |
203 | to: utils.from_absolute_cursor_pos(this.editor, end) |
|
202 | to: utils.from_absolute_cursor_pos(this.editor, end) | |
204 | }); |
|
203 | }); | |
205 | } |
|
204 | } | |
206 |
|
205 | |||
207 | // one the 2 sources results have been merge, deal with it |
|
206 | // one the 2 sources results have been merge, deal with it | |
208 | this.raw_result = filtered_results; |
|
207 | this.raw_result = filtered_results; | |
209 |
|
208 | |||
210 | // if empty result return |
|
209 | // if empty result return | |
211 | if (!this.raw_result || !this.raw_result.length) return; |
|
210 | if (!this.raw_result || !this.raw_result.length) return; | |
212 |
|
211 | |||
213 | // When there is only one completion, use it directly. |
|
212 | // When there is only one completion, use it directly. | |
214 | if (this.autopick && this.raw_result.length == 1) { |
|
213 | if (this.autopick && this.raw_result.length == 1) { | |
215 | this.insert(this.raw_result[0]); |
|
214 | this.insert(this.raw_result[0]); | |
216 | return; |
|
215 | return; | |
217 | } |
|
216 | } | |
218 |
|
217 | |||
219 | if (this.raw_result.length == 1) { |
|
218 | if (this.raw_result.length == 1) { | |
220 | // test if first and only completion totally matches |
|
219 | // test if first and only completion totally matches | |
221 | // what is typed, in this case dismiss |
|
220 | // what is typed, in this case dismiss | |
222 | var str = this.raw_result[0].str; |
|
221 | var str = this.raw_result[0].str; | |
223 | var pre_cursor = this.editor.getRange({ |
|
222 | var pre_cursor = this.editor.getRange({ | |
224 | line: cur.line, |
|
223 | line: cur.line, | |
225 | ch: cur.ch - str.length |
|
224 | ch: cur.ch - str.length | |
226 | }, cur); |
|
225 | }, cur); | |
227 | if (pre_cursor == str) { |
|
226 | if (pre_cursor == str) { | |
228 | this.close(); |
|
227 | this.close(); | |
229 | return; |
|
228 | return; | |
230 | } |
|
229 | } | |
231 | } |
|
230 | } | |
232 |
|
231 | |||
233 | if (!this.visible) { |
|
232 | if (!this.visible) { | |
234 | this.complete = $('<div/>').addClass('completions'); |
|
233 | this.complete = $('<div/>').addClass('completions'); | |
235 | this.complete.attr('id', 'complete'); |
|
234 | this.complete.attr('id', 'complete'); | |
236 |
|
235 | |||
237 | // Currently webkit doesn't use the size attr correctly. See: |
|
236 | // Currently webkit doesn't use the size attr correctly. See: | |
238 | // https://code.google.com/p/chromium/issues/detail?id=4579 |
|
237 | // https://code.google.com/p/chromium/issues/detail?id=4579 | |
239 | this.sel = $('<select/>') |
|
238 | this.sel = $('<select/>') | |
240 | .attr('tabindex', -1) |
|
239 | .attr('tabindex', -1) | |
241 | .attr('multiple', 'true'); |
|
240 | .attr('multiple', 'true'); | |
242 | this.complete.append(this.sel); |
|
241 | this.complete.append(this.sel); | |
243 | this.visible = true; |
|
242 | this.visible = true; | |
244 | $('body').append(this.complete); |
|
243 | $('body').append(this.complete); | |
245 |
|
244 | |||
246 | //build the container |
|
245 | //build the container | |
247 | var that = this; |
|
246 | var that = this; | |
248 | this.sel.dblclick(function () { |
|
247 | this.sel.dblclick(function () { | |
249 | that.pick(); |
|
248 | that.pick(); | |
250 | }); |
|
249 | }); | |
251 | this.sel.focus(function () { |
|
250 | this.sel.focus(function () { | |
252 | that.editor.focus(); |
|
251 | that.editor.focus(); | |
253 | }); |
|
252 | }); | |
254 | this._handle_keydown = function (cm, event) { |
|
253 | this._handle_keydown = function (cm, event) { | |
255 | that.keydown(event); |
|
254 | that.keydown(event); | |
256 | }; |
|
255 | }; | |
257 | this.editor.on('keydown', this._handle_keydown); |
|
256 | this.editor.on('keydown', this._handle_keydown); | |
258 | this._handle_keypress = function (cm, event) { |
|
257 | this._handle_keypress = function (cm, event) { | |
259 | that.keypress(event); |
|
258 | that.keypress(event); | |
260 | }; |
|
259 | }; | |
261 | this.editor.on('keypress', this._handle_keypress); |
|
260 | this.editor.on('keypress', this._handle_keypress); | |
262 | } |
|
261 | } | |
263 | this.sel.attr('size', Math.min(10, this.raw_result.length)); |
|
262 | this.sel.attr('size', Math.min(10, this.raw_result.length)); | |
264 |
|
263 | |||
265 | // After everything is on the page, compute the postion. |
|
264 | // After everything is on the page, compute the postion. | |
266 | // We put it above the code if it is too close to the bottom of the page. |
|
265 | // We put it above the code if it is too close to the bottom of the page. | |
267 | var pos = this.editor.cursorCoords( |
|
266 | var pos = this.editor.cursorCoords( | |
268 | utils.from_absolute_cursor_pos(this.editor, start) |
|
267 | utils.from_absolute_cursor_pos(this.editor, start) | |
269 | ); |
|
268 | ); | |
270 | var left = pos.left-3; |
|
269 | var left = pos.left-3; | |
271 | var top; |
|
270 | var top; | |
272 | var cheight = this.complete.height(); |
|
271 | var cheight = this.complete.height(); | |
273 | var wheight = $(window).height(); |
|
272 | var wheight = $(window).height(); | |
274 | if (pos.bottom+cheight+5 > wheight) { |
|
273 | if (pos.bottom+cheight+5 > wheight) { | |
275 | top = pos.top-cheight-4; |
|
274 | top = pos.top-cheight-4; | |
276 | } else { |
|
275 | } else { | |
277 | top = pos.bottom+1; |
|
276 | top = pos.bottom+1; | |
278 | } |
|
277 | } | |
279 | this.complete.css('left', left + 'px'); |
|
278 | this.complete.css('left', left + 'px'); | |
280 | this.complete.css('top', top + 'px'); |
|
279 | this.complete.css('top', top + 'px'); | |
281 |
|
280 | |||
282 | // Clear and fill the list. |
|
281 | // Clear and fill the list. | |
283 | this.sel.text(''); |
|
282 | this.sel.text(''); | |
284 | this.build_gui_list(this.raw_result); |
|
283 | this.build_gui_list(this.raw_result); | |
285 | return true; |
|
284 | return true; | |
286 | }; |
|
285 | }; | |
287 |
|
286 | |||
288 | Completer.prototype.insert = function (completion) { |
|
287 | Completer.prototype.insert = function (completion) { | |
289 | this.editor.replaceRange(completion.str, completion.from, completion.to); |
|
288 | this.editor.replaceRange(completion.str, completion.from, completion.to); | |
290 | }; |
|
289 | }; | |
291 |
|
290 | |||
292 | Completer.prototype.build_gui_list = function (completions) { |
|
291 | Completer.prototype.build_gui_list = function (completions) { | |
293 | for (var i = 0; i < completions.length; ++i) { |
|
292 | for (var i = 0; i < completions.length; ++i) { | |
294 | var opt = $('<option/>').text(completions[i].str).addClass(completions[i].type); |
|
293 | var opt = $('<option/>').text(completions[i].str).addClass(completions[i].type); | |
295 | this.sel.append(opt); |
|
294 | this.sel.append(opt); | |
296 | } |
|
295 | } | |
297 | this.sel.children().first().attr('selected', 'true'); |
|
296 | this.sel.children().first().attr('selected', 'true'); | |
298 | this.sel.scrollTop(0); |
|
297 | this.sel.scrollTop(0); | |
299 | }; |
|
298 | }; | |
300 |
|
299 | |||
301 | Completer.prototype.close = function () { |
|
300 | Completer.prototype.close = function () { | |
302 | this.done = true; |
|
301 | this.done = true; | |
303 | $('#complete').remove(); |
|
302 | $('#complete').remove(); | |
304 | this.editor.off('keydown', this._handle_keydown); |
|
303 | this.editor.off('keydown', this._handle_keydown); | |
305 | this.editor.off('keypress', this._handle_keypress); |
|
304 | this.editor.off('keypress', this._handle_keypress); | |
306 | this.visible = false; |
|
305 | this.visible = false; | |
307 | }; |
|
306 | }; | |
308 |
|
307 | |||
309 | Completer.prototype.pick = function () { |
|
308 | Completer.prototype.pick = function () { | |
310 | this.insert(this.raw_result[this.sel[0].selectedIndex]); |
|
309 | this.insert(this.raw_result[this.sel[0].selectedIndex]); | |
311 | this.close(); |
|
310 | this.close(); | |
312 | }; |
|
311 | }; | |
313 |
|
312 | |||
314 | Completer.prototype.keydown = function (event) { |
|
313 | Completer.prototype.keydown = function (event) { | |
315 | var code = event.keyCode; |
|
314 | var code = event.keyCode; | |
316 | var that = this; |
|
315 | var that = this; | |
317 |
|
316 | |||
318 | // Enter |
|
317 | // Enter | |
319 | if (code == keycodes.enter) { |
|
318 | if (code == keycodes.enter) { | |
320 | CodeMirror.e_stop(event); |
|
319 | CodeMirror.e_stop(event); | |
321 | this.pick(); |
|
320 | this.pick(); | |
322 | // Escape or backspace |
|
321 | // Escape or backspace | |
323 | } else if (code == keycodes.esc || code == keycodes.backspace) { |
|
322 | } else if (code == keycodes.esc || code == keycodes.backspace) { | |
324 | CodeMirror.e_stop(event); |
|
323 | CodeMirror.e_stop(event); | |
325 | this.close(); |
|
324 | this.close(); | |
326 | } else if (code == keycodes.tab) { |
|
325 | } else if (code == keycodes.tab) { | |
327 | //all the fastforwarding operation, |
|
326 | //all the fastforwarding operation, | |
328 | //Check that shared start is not null which can append with prefixed completion |
|
327 | //Check that shared start is not null which can append with prefixed completion | |
329 | // like %pylab , pylab have no shred start, and ff will result in py<tab><tab> |
|
328 | // like %pylab , pylab have no shred start, and ff will result in py<tab><tab> | |
330 | // to erase py |
|
329 | // to erase py | |
331 | var sh = shared_start(this.raw_result, true); |
|
330 | var sh = shared_start(this.raw_result, true); | |
332 | if (sh) { |
|
331 | if (sh) { | |
333 | this.insert(sh); |
|
332 | this.insert(sh); | |
334 | } |
|
333 | } | |
335 | this.close(); |
|
334 | this.close(); | |
336 | //reinvoke self |
|
335 | //reinvoke self | |
337 | setTimeout(function () { |
|
336 | setTimeout(function () { | |
338 | that.carry_on_completion(); |
|
337 | that.carry_on_completion(); | |
339 | }, 50); |
|
338 | }, 50); | |
340 | } else if (code == keycodes.up || code == keycodes.down) { |
|
339 | } else if (code == keycodes.up || code == keycodes.down) { | |
341 | // need to do that to be able to move the arrow |
|
340 | // need to do that to be able to move the arrow | |
342 | // when on the first or last line ofo a code cell |
|
341 | // when on the first or last line ofo a code cell | |
343 | CodeMirror.e_stop(event); |
|
342 | CodeMirror.e_stop(event); | |
344 |
|
343 | |||
345 | var options = this.sel.find('option'); |
|
344 | var options = this.sel.find('option'); | |
346 | var index = this.sel[0].selectedIndex; |
|
345 | var index = this.sel[0].selectedIndex; | |
347 | if (code == keycodes.up) { |
|
346 | if (code == keycodes.up) { | |
348 | index--; |
|
347 | index--; | |
349 | } |
|
348 | } | |
350 | if (code == keycodes.down) { |
|
349 | if (code == keycodes.down) { | |
351 | index++; |
|
350 | index++; | |
352 | } |
|
351 | } | |
353 | index = Math.min(Math.max(index, 0), options.length-1); |
|
352 | index = Math.min(Math.max(index, 0), options.length-1); | |
354 | this.sel[0].selectedIndex = index; |
|
353 | this.sel[0].selectedIndex = index; | |
355 | } else if (code == keycodes.pageup || code == keycodes.pagedown) { |
|
354 | } else if (code == keycodes.pageup || code == keycodes.pagedown) { | |
356 | CodeMirror.e_stop(event); |
|
355 | CodeMirror.e_stop(event); | |
357 |
|
356 | |||
358 | var options = this.sel.find('option'); |
|
357 | var options = this.sel.find('option'); | |
359 | var index = this.sel[0].selectedIndex; |
|
358 | var index = this.sel[0].selectedIndex; | |
360 | if (code == keycodes.pageup) { |
|
359 | if (code == keycodes.pageup) { | |
361 | index -= 10; // As 10 is the hard coded size of the drop down menu |
|
360 | index -= 10; // As 10 is the hard coded size of the drop down menu | |
362 | } else { |
|
361 | } else { | |
363 | index += 10; |
|
362 | index += 10; | |
364 | } |
|
363 | } | |
365 | index = Math.min(Math.max(index, 0), options.length-1); |
|
364 | index = Math.min(Math.max(index, 0), options.length-1); | |
366 | this.sel[0].selectedIndex = index; |
|
365 | this.sel[0].selectedIndex = index; | |
367 | } else if (code == keycodes.left || code == keycodes.right) { |
|
366 | } else if (code == keycodes.left || code == keycodes.right) { | |
368 | this.close(); |
|
367 | this.close(); | |
369 | } |
|
368 | } | |
370 | }; |
|
369 | }; | |
371 |
|
370 | |||
372 | Completer.prototype.keypress = function (event) { |
|
371 | Completer.prototype.keypress = function (event) { | |
373 | // FIXME: This is a band-aid. |
|
372 | // FIXME: This is a band-aid. | |
374 | // on keypress, trigger insertion of a single character. |
|
373 | // on keypress, trigger insertion of a single character. | |
375 | // This simulates the old behavior of completion as you type, |
|
374 | // This simulates the old behavior of completion as you type, | |
376 | // before events were disconnected and CodeMirror stopped |
|
375 | // before events were disconnected and CodeMirror stopped | |
377 | // receiving events while the completer is focused. |
|
376 | // receiving events while the completer is focused. | |
378 |
|
377 | |||
379 | var that = this; |
|
378 | var that = this; | |
380 | var code = event.keyCode; |
|
379 | var code = event.keyCode; | |
381 |
|
380 | |||
382 | // don't handle keypress if it's not a character (arrows on FF) |
|
381 | // don't handle keypress if it's not a character (arrows on FF) | |
383 | // or ENTER/TAB |
|
382 | // or ENTER/TAB | |
384 | if (event.charCode === 0 || |
|
383 | if (event.charCode === 0 || | |
385 | code == keycodes.tab || |
|
384 | code == keycodes.tab || | |
386 | code == keycodes.enter |
|
385 | code == keycodes.enter | |
387 | ) return; |
|
386 | ) return; | |
388 |
|
387 | |||
389 | this.close(); |
|
388 | this.close(); | |
390 | this.editor.focus(); |
|
389 | this.editor.focus(); | |
391 | setTimeout(function () { |
|
390 | setTimeout(function () { | |
392 | that.carry_on_completion(); |
|
391 | that.carry_on_completion(); | |
393 | }, 50); |
|
392 | }, 50); | |
394 | }; |
|
393 | }; | |
395 |
|
394 | |||
396 | // For backwards compatability. |
|
395 | // For backwards compatability. | |
397 | IPython.Completer = Completer; |
|
396 | IPython.Completer = Completer; | |
398 |
|
397 | |||
399 | return {'Completer': Completer}; |
|
398 | return {'Completer': Completer}; | |
400 | }); |
|
399 | }); |
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