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1 | """Analysis of text input into executable blocks. |
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1 | """Analysis of text input into executable blocks. | |
2 |
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2 | |||
3 | The main class in this module, :class:`InputSplitter`, is designed to break |
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3 | The main class in this module, :class:`InputSplitter`, is designed to break | |
4 | input from either interactive, line-by-line environments or block-based ones, |
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4 | input from either interactive, line-by-line environments or block-based ones, | |
5 | into standalone blocks that can be executed by Python as 'single' statements |
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5 | into standalone blocks that can be executed by Python as 'single' statements | |
6 | (thus triggering sys.displayhook). |
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6 | (thus triggering sys.displayhook). | |
7 |
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7 | |||
8 | A companion, :class:`IPythonInputSplitter`, provides the same functionality but |
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8 | A companion, :class:`IPythonInputSplitter`, provides the same functionality but | |
9 | with full support for the extended IPython syntax (magics, system calls, etc). |
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9 | with full support for the extended IPython syntax (magics, system calls, etc). | |
10 |
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10 | |||
11 | For more details, see the class docstring below. |
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11 | For more details, see the class docstring below. | |
12 |
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12 | |||
13 | Syntax Transformations |
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13 | Syntax Transformations | |
14 | ---------------------- |
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14 | ---------------------- | |
15 |
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15 | |||
16 | One of the main jobs of the code in this file is to apply all syntax |
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16 | One of the main jobs of the code in this file is to apply all syntax | |
17 | transformations that make up 'the IPython language', i.e. magics, shell |
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17 | transformations that make up 'the IPython language', i.e. magics, shell | |
18 | escapes, etc. All transformations should be implemented as *fully stateless* |
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18 | escapes, etc. All transformations should be implemented as *fully stateless* | |
19 | entities, that simply take one line as their input and return a line. |
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19 | entities, that simply take one line as their input and return a line. | |
20 | Internally for implementation purposes they may be a normal function or a |
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20 | Internally for implementation purposes they may be a normal function or a | |
21 | callable object, but the only input they receive will be a single line and they |
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21 | callable object, but the only input they receive will be a single line and they | |
22 | should only return a line, without holding any data-dependent state between |
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22 | should only return a line, without holding any data-dependent state between | |
23 | calls. |
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23 | calls. | |
24 |
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24 | |||
25 | As an example, the EscapedTransformer is a class so we can more clearly group |
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25 | As an example, the EscapedTransformer is a class so we can more clearly group | |
26 | together the functionality of dispatching to individual functions based on the |
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26 | together the functionality of dispatching to individual functions based on the | |
27 | starting escape character, but the only method for public use is its call |
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27 | starting escape character, but the only method for public use is its call | |
28 | method. |
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28 | method. | |
29 |
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29 | |||
30 |
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30 | |||
31 | ToDo |
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31 | ToDo | |
32 | ---- |
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32 | ---- | |
33 |
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33 | |||
34 | - Should we make push() actually raise an exception once push_accepts_more() |
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34 | - Should we make push() actually raise an exception once push_accepts_more() | |
35 | returns False? |
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35 | returns False? | |
36 |
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36 | |||
37 | - Naming cleanups. The tr_* names aren't the most elegant, though now they are |
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37 | - Naming cleanups. The tr_* names aren't the most elegant, though now they are | |
38 | at least just attributes of a class so not really very exposed. |
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38 | at least just attributes of a class so not really very exposed. | |
39 |
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39 | |||
40 | - Think about the best way to support dynamic things: automagic, autocall, |
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40 | - Think about the best way to support dynamic things: automagic, autocall, | |
41 | macros, etc. |
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41 | macros, etc. | |
42 |
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42 | |||
43 | - Think of a better heuristic for the application of the transforms in |
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43 | - Think of a better heuristic for the application of the transforms in | |
44 | IPythonInputSplitter.push() than looking at the buffer ending in ':'. Idea: |
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44 | IPythonInputSplitter.push() than looking at the buffer ending in ':'. Idea: | |
45 | track indentation change events (indent, dedent, nothing) and apply them only |
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45 | track indentation change events (indent, dedent, nothing) and apply them only | |
46 | if the indentation went up, but not otherwise. |
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46 | if the indentation went up, but not otherwise. | |
47 |
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47 | |||
48 | - Think of the cleanest way for supporting user-specified transformations (the |
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48 | - Think of the cleanest way for supporting user-specified transformations (the | |
49 | user prefilters we had before). |
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49 | user prefilters we had before). | |
50 |
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50 | |||
51 | Authors |
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51 | Authors | |
52 | ------- |
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52 | ------- | |
53 |
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53 | |||
54 | * Fernando Perez |
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54 | * Fernando Perez | |
55 | * Brian Granger |
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55 | * Brian Granger | |
56 | """ |
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56 | """ | |
57 | #----------------------------------------------------------------------------- |
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57 | #----------------------------------------------------------------------------- | |
58 | # Copyright (C) 2010 The IPython Development Team |
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58 | # Copyright (C) 2010 The IPython Development Team | |
59 | # |
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59 | # | |
60 | # Distributed under the terms of the BSD License. The full license is in |
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60 | # Distributed under the terms of the BSD License. The full license is in | |
61 | # the file COPYING, distributed as part of this software. |
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61 | # the file COPYING, distributed as part of this software. | |
62 | #----------------------------------------------------------------------------- |
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62 | #----------------------------------------------------------------------------- | |
63 |
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63 | |||
64 | #----------------------------------------------------------------------------- |
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64 | #----------------------------------------------------------------------------- | |
65 | # Imports |
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65 | # Imports | |
66 | #----------------------------------------------------------------------------- |
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66 | #----------------------------------------------------------------------------- | |
67 | # stdlib |
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67 | # stdlib | |
68 | import ast |
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68 | import ast | |
69 | import codeop |
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69 | import codeop | |
70 | import re |
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70 | import re | |
71 | import sys |
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71 | import sys | |
72 |
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72 | |||
73 | # IPython modules |
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73 | # IPython modules | |
74 | from IPython.core.splitinput import split_user_input, LineInfo |
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74 | from IPython.core.splitinput import split_user_input, LineInfo | |
75 | from IPython.utils.py3compat import cast_unicode |
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75 | from IPython.utils.py3compat import cast_unicode | |
76 | from IPython.core.inputtransformer import (leading_indent, |
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76 | from IPython.core.inputtransformer import (leading_indent, | |
77 | classic_prompt, |
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77 | classic_prompt, | |
78 | ipy_prompt, |
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78 | ipy_prompt, | |
79 | cellmagic, |
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79 | cellmagic, | |
80 | assemble_logical_lines, |
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80 | assemble_logical_lines, | |
81 | help_end, |
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81 | help_end, | |
82 | escaped_commands, |
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82 | escaped_commands, | |
83 | assign_from_magic, |
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83 | assign_from_magic, | |
84 | assign_from_system, |
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84 | assign_from_system, | |
85 | assemble_python_lines, |
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85 | assemble_python_lines, | |
86 | ) |
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86 | ) | |
87 |
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87 | |||
88 | # Temporary! |
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88 | # Temporary! | |
89 | from IPython.core.inputtransformer import (ESC_SHELL, ESC_SH_CAP, ESC_HELP, |
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89 | from IPython.core.inputtransformer import (ESC_SHELL, ESC_SH_CAP, ESC_HELP, | |
90 | ESC_HELP2, ESC_MAGIC, ESC_MAGIC2, |
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90 | ESC_HELP2, ESC_MAGIC, ESC_MAGIC2, | |
91 | ESC_QUOTE, ESC_QUOTE2, ESC_PAREN, ESC_SEQUENCES) |
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91 | ESC_QUOTE, ESC_QUOTE2, ESC_PAREN, ESC_SEQUENCES) | |
92 |
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92 | |||
93 | #----------------------------------------------------------------------------- |
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93 | #----------------------------------------------------------------------------- | |
94 | # Utilities |
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94 | # Utilities | |
95 | #----------------------------------------------------------------------------- |
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95 | #----------------------------------------------------------------------------- | |
96 |
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96 | |||
97 | # FIXME: These are general-purpose utilities that later can be moved to the |
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97 | # FIXME: These are general-purpose utilities that later can be moved to the | |
98 | # general ward. Kept here for now because we're being very strict about test |
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98 | # general ward. Kept here for now because we're being very strict about test | |
99 | # coverage with this code, and this lets us ensure that we keep 100% coverage |
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99 | # coverage with this code, and this lets us ensure that we keep 100% coverage | |
100 | # while developing. |
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100 | # while developing. | |
101 |
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101 | |||
102 | # compiled regexps for autoindent management |
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102 | # compiled regexps for autoindent management | |
103 | dedent_re = re.compile('|'.join([ |
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103 | dedent_re = re.compile('|'.join([ | |
104 | r'^\s+raise(\s.*)?$', # raise statement (+ space + other stuff, maybe) |
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104 | r'^\s+raise(\s.*)?$', # raise statement (+ space + other stuff, maybe) | |
105 | r'^\s+raise\([^\)]*\).*$', # wacky raise with immediate open paren |
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105 | r'^\s+raise\([^\)]*\).*$', # wacky raise with immediate open paren | |
106 | r'^\s+return(\s.*)?$', # normal return (+ space + other stuff, maybe) |
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106 | r'^\s+return(\s.*)?$', # normal return (+ space + other stuff, maybe) | |
107 | r'^\s+return\([^\)]*\).*$', # wacky return with immediate open paren |
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107 | r'^\s+return\([^\)]*\).*$', # wacky return with immediate open paren | |
108 | r'^\s+pass\s*$', # pass (optionally followed by trailing spaces) |
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108 | r'^\s+pass\s*$', # pass (optionally followed by trailing spaces) | |
109 | r'^\s+break\s*$', # break (optionally followed by trailing spaces) |
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109 | r'^\s+break\s*$', # break (optionally followed by trailing spaces) | |
110 | r'^\s+continue\s*$', # continue (optionally followed by trailing spaces) |
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110 | r'^\s+continue\s*$', # continue (optionally followed by trailing spaces) | |
111 | ])) |
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111 | ])) | |
112 | ini_spaces_re = re.compile(r'^([ \t\r\f\v]+)') |
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112 | ini_spaces_re = re.compile(r'^([ \t\r\f\v]+)') | |
113 |
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113 | |||
114 | # regexp to match pure comment lines so we don't accidentally insert 'if 1:' |
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114 | # regexp to match pure comment lines so we don't accidentally insert 'if 1:' | |
115 | # before pure comments |
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115 | # before pure comments | |
116 | comment_line_re = re.compile('^\s*\#') |
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116 | comment_line_re = re.compile('^\s*\#') | |
117 |
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117 | |||
118 |
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118 | |||
119 | def num_ini_spaces(s): |
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119 | def num_ini_spaces(s): | |
120 | """Return the number of initial spaces in a string. |
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120 | """Return the number of initial spaces in a string. | |
121 |
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121 | |||
122 | Note that tabs are counted as a single space. For now, we do *not* support |
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122 | Note that tabs are counted as a single space. For now, we do *not* support | |
123 | mixing of tabs and spaces in the user's input. |
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123 | mixing of tabs and spaces in the user's input. | |
124 |
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124 | |||
125 | Parameters |
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125 | Parameters | |
126 | ---------- |
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126 | ---------- | |
127 | s : string |
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127 | s : string | |
128 |
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128 | |||
129 | Returns |
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129 | Returns | |
130 | ------- |
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130 | ------- | |
131 | n : int |
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131 | n : int | |
132 | """ |
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132 | """ | |
133 |
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133 | |||
134 | ini_spaces = ini_spaces_re.match(s) |
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134 | ini_spaces = ini_spaces_re.match(s) | |
135 | if ini_spaces: |
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135 | if ini_spaces: | |
136 | return ini_spaces.end() |
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136 | return ini_spaces.end() | |
137 | else: |
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137 | else: | |
138 | return 0 |
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138 | return 0 | |
139 |
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139 | |||
140 | def last_blank(src): |
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140 | def last_blank(src): | |
141 | """Determine if the input source ends in a blank. |
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141 | """Determine if the input source ends in a blank. | |
142 |
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142 | |||
143 | A blank is either a newline or a line consisting of whitespace. |
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143 | A blank is either a newline or a line consisting of whitespace. | |
144 |
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144 | |||
145 | Parameters |
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145 | Parameters | |
146 | ---------- |
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146 | ---------- | |
147 | src : string |
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147 | src : string | |
148 | A single or multiline string. |
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148 | A single or multiline string. | |
149 | """ |
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149 | """ | |
150 | if not src: return False |
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150 | if not src: return False | |
151 | ll = src.splitlines()[-1] |
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151 | ll = src.splitlines()[-1] | |
152 | return (ll == '') or ll.isspace() |
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152 | return (ll == '') or ll.isspace() | |
153 |
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153 | |||
154 |
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154 | |||
155 | last_two_blanks_re = re.compile(r'\n\s*\n\s*$', re.MULTILINE) |
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155 | last_two_blanks_re = re.compile(r'\n\s*\n\s*$', re.MULTILINE) | |
156 | last_two_blanks_re2 = re.compile(r'.+\n\s*\n\s+$', re.MULTILINE) |
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156 | last_two_blanks_re2 = re.compile(r'.+\n\s*\n\s+$', re.MULTILINE) | |
157 |
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157 | |||
158 | def last_two_blanks(src): |
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158 | def last_two_blanks(src): | |
159 | """Determine if the input source ends in two blanks. |
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159 | """Determine if the input source ends in two blanks. | |
160 |
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160 | |||
161 | A blank is either a newline or a line consisting of whitespace. |
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161 | A blank is either a newline or a line consisting of whitespace. | |
162 |
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162 | |||
163 | Parameters |
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163 | Parameters | |
164 | ---------- |
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164 | ---------- | |
165 | src : string |
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165 | src : string | |
166 | A single or multiline string. |
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166 | A single or multiline string. | |
167 | """ |
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167 | """ | |
168 | if not src: return False |
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168 | if not src: return False | |
169 | # The logic here is tricky: I couldn't get a regexp to work and pass all |
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169 | # The logic here is tricky: I couldn't get a regexp to work and pass all | |
170 | # the tests, so I took a different approach: split the source by lines, |
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170 | # the tests, so I took a different approach: split the source by lines, | |
171 | # grab the last two and prepend '###\n' as a stand-in for whatever was in |
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171 | # grab the last two and prepend '###\n' as a stand-in for whatever was in | |
172 | # the body before the last two lines. Then, with that structure, it's |
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172 | # the body before the last two lines. Then, with that structure, it's | |
173 | # possible to analyze with two regexps. Not the most elegant solution, but |
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173 | # possible to analyze with two regexps. Not the most elegant solution, but | |
174 | # it works. If anyone tries to change this logic, make sure to validate |
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174 | # it works. If anyone tries to change this logic, make sure to validate | |
175 | # the whole test suite first! |
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175 | # the whole test suite first! | |
176 | new_src = '\n'.join(['###\n'] + src.splitlines()[-2:]) |
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176 | new_src = '\n'.join(['###\n'] + src.splitlines()[-2:]) | |
177 | return (bool(last_two_blanks_re.match(new_src)) or |
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177 | return (bool(last_two_blanks_re.match(new_src)) or | |
178 | bool(last_two_blanks_re2.match(new_src)) ) |
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178 | bool(last_two_blanks_re2.match(new_src)) ) | |
179 |
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179 | |||
180 |
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180 | |||
181 | def remove_comments(src): |
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181 | def remove_comments(src): | |
182 | """Remove all comments from input source. |
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182 | """Remove all comments from input source. | |
183 |
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183 | |||
184 | Note: comments are NOT recognized inside of strings! |
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184 | Note: comments are NOT recognized inside of strings! | |
185 |
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185 | |||
186 | Parameters |
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186 | Parameters | |
187 | ---------- |
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187 | ---------- | |
188 | src : string |
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188 | src : string | |
189 | A single or multiline input string. |
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189 | A single or multiline input string. | |
190 |
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190 | |||
191 | Returns |
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191 | Returns | |
192 | ------- |
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192 | ------- | |
193 | String with all Python comments removed. |
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193 | String with all Python comments removed. | |
194 | """ |
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194 | """ | |
195 |
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195 | |||
196 | return re.sub('#.*', '', src) |
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196 | return re.sub('#.*', '', src) | |
197 |
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197 | |||
198 |
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198 | |||
199 | def get_input_encoding(): |
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199 | def get_input_encoding(): | |
200 | """Return the default standard input encoding. |
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200 | """Return the default standard input encoding. | |
201 |
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201 | |||
202 | If sys.stdin has no encoding, 'ascii' is returned.""" |
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202 | If sys.stdin has no encoding, 'ascii' is returned.""" | |
203 | # There are strange environments for which sys.stdin.encoding is None. We |
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203 | # There are strange environments for which sys.stdin.encoding is None. We | |
204 | # ensure that a valid encoding is returned. |
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204 | # ensure that a valid encoding is returned. | |
205 | encoding = getattr(sys.stdin, 'encoding', None) |
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205 | encoding = getattr(sys.stdin, 'encoding', None) | |
206 | if encoding is None: |
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206 | if encoding is None: | |
207 | encoding = 'ascii' |
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207 | encoding = 'ascii' | |
208 | return encoding |
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208 | return encoding | |
209 |
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209 | |||
210 | #----------------------------------------------------------------------------- |
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210 | #----------------------------------------------------------------------------- | |
211 | # Classes and functions for normal Python syntax handling |
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211 | # Classes and functions for normal Python syntax handling | |
212 | #----------------------------------------------------------------------------- |
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212 | #----------------------------------------------------------------------------- | |
213 |
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213 | |||
214 | class InputSplitter(object): |
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214 | class InputSplitter(object): | |
215 | """An object that can accumulate lines of Python source before execution. |
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215 | """An object that can accumulate lines of Python source before execution. | |
216 |
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216 | |||
217 | This object is designed to be fed python source line-by-line, using |
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217 | This object is designed to be fed python source line-by-line, using | |
218 | :meth:`push`. It will return on each push whether the currently pushed |
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218 | :meth:`push`. It will return on each push whether the currently pushed | |
219 | code could be executed already. In addition, it provides a method called |
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219 | code could be executed already. In addition, it provides a method called | |
220 | :meth:`push_accepts_more` that can be used to query whether more input |
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220 | :meth:`push_accepts_more` that can be used to query whether more input | |
221 | can be pushed into a single interactive block. |
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221 | can be pushed into a single interactive block. | |
222 |
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222 | |||
223 | This is a simple example of how an interactive terminal-based client can use |
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223 | This is a simple example of how an interactive terminal-based client can use | |
224 | this tool:: |
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224 | this tool:: | |
225 |
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225 | |||
226 | isp = InputSplitter() |
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226 | isp = InputSplitter() | |
227 | while isp.push_accepts_more(): |
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227 | while isp.push_accepts_more(): | |
228 | indent = ' '*isp.indent_spaces |
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228 | indent = ' '*isp.indent_spaces | |
229 | prompt = '>>> ' + indent |
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229 | prompt = '>>> ' + indent | |
230 | line = indent + raw_input(prompt) |
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230 | line = indent + raw_input(prompt) | |
231 | isp.push(line) |
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231 | isp.push(line) | |
232 | print 'Input source was:\n', isp.source_reset(), |
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232 | print 'Input source was:\n', isp.source_reset(), | |
233 | """ |
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233 | """ | |
234 | # Number of spaces of indentation computed from input that has been pushed |
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234 | # Number of spaces of indentation computed from input that has been pushed | |
235 | # so far. This is the attributes callers should query to get the current |
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235 | # so far. This is the attributes callers should query to get the current | |
236 | # indentation level, in order to provide auto-indent facilities. |
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236 | # indentation level, in order to provide auto-indent facilities. | |
237 | indent_spaces = 0 |
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237 | indent_spaces = 0 | |
238 | # String, indicating the default input encoding. It is computed by default |
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238 | # String, indicating the default input encoding. It is computed by default | |
239 | # at initialization time via get_input_encoding(), but it can be reset by a |
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239 | # at initialization time via get_input_encoding(), but it can be reset by a | |
240 | # client with specific knowledge of the encoding. |
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240 | # client with specific knowledge of the encoding. | |
241 | encoding = '' |
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241 | encoding = '' | |
242 | # String where the current full source input is stored, properly encoded. |
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242 | # String where the current full source input is stored, properly encoded. | |
243 | # Reading this attribute is the normal way of querying the currently pushed |
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243 | # Reading this attribute is the normal way of querying the currently pushed | |
244 | # source code, that has been properly encoded. |
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244 | # source code, that has been properly encoded. | |
245 | source = '' |
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245 | source = '' | |
246 | # Code object corresponding to the current source. It is automatically |
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246 | # Code object corresponding to the current source. It is automatically | |
247 | # synced to the source, so it can be queried at any time to obtain the code |
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247 | # synced to the source, so it can be queried at any time to obtain the code | |
248 | # object; it will be None if the source doesn't compile to valid Python. |
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248 | # object; it will be None if the source doesn't compile to valid Python. | |
249 | code = None |
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249 | code = None | |
250 |
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250 | |||
251 | # Private attributes |
|
251 | # Private attributes | |
252 |
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252 | |||
253 | # List with lines of input accumulated so far |
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253 | # List with lines of input accumulated so far | |
254 | _buffer = None |
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254 | _buffer = None | |
255 | # Command compiler |
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255 | # Command compiler | |
256 | _compile = None |
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256 | _compile = None | |
257 | # Mark when input has changed indentation all the way back to flush-left |
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257 | # Mark when input has changed indentation all the way back to flush-left | |
258 | _full_dedent = False |
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258 | _full_dedent = False | |
259 | # Boolean indicating whether the current block is complete |
|
259 | # Boolean indicating whether the current block is complete | |
260 | _is_complete = None |
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260 | _is_complete = None | |
261 |
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261 | |||
262 | def __init__(self): |
|
262 | def __init__(self): | |
263 | """Create a new InputSplitter instance. |
|
263 | """Create a new InputSplitter instance. | |
264 | """ |
|
264 | """ | |
265 | self._buffer = [] |
|
265 | self._buffer = [] | |
266 | self._compile = codeop.CommandCompiler() |
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266 | self._compile = codeop.CommandCompiler() | |
267 | self.encoding = get_input_encoding() |
|
267 | self.encoding = get_input_encoding() | |
268 |
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268 | |||
269 | def reset(self): |
|
269 | def reset(self): | |
270 | """Reset the input buffer and associated state.""" |
|
270 | """Reset the input buffer and associated state.""" | |
271 | self.indent_spaces = 0 |
|
271 | self.indent_spaces = 0 | |
272 | self._buffer[:] = [] |
|
272 | self._buffer[:] = [] | |
273 | self.source = '' |
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273 | self.source = '' | |
274 | self.code = None |
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274 | self.code = None | |
275 | self._is_complete = False |
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275 | self._is_complete = False | |
276 | self._full_dedent = False |
|
276 | self._full_dedent = False | |
277 |
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277 | |||
278 | def source_reset(self): |
|
278 | def source_reset(self): | |
279 | """Return the input source and perform a full reset. |
|
279 | """Return the input source and perform a full reset. | |
280 | """ |
|
280 | """ | |
281 | out = self.source |
|
281 | out = self.source | |
282 | self.reset() |
|
282 | self.reset() | |
283 | return out |
|
283 | return out | |
284 |
|
284 | |||
285 | def push(self, lines): |
|
285 | def push(self, lines): | |
286 | """Push one or more lines of input. |
|
286 | """Push one or more lines of input. | |
287 |
|
287 | |||
288 | This stores the given lines and returns a status code indicating |
|
288 | This stores the given lines and returns a status code indicating | |
289 | whether the code forms a complete Python block or not. |
|
289 | whether the code forms a complete Python block or not. | |
290 |
|
290 | |||
291 | Any exceptions generated in compilation are swallowed, but if an |
|
291 | Any exceptions generated in compilation are swallowed, but if an | |
292 | exception was produced, the method returns True. |
|
292 | exception was produced, the method returns True. | |
293 |
|
293 | |||
294 | Parameters |
|
294 | Parameters | |
295 | ---------- |
|
295 | ---------- | |
296 | lines : string |
|
296 | lines : string | |
297 | One or more lines of Python input. |
|
297 | One or more lines of Python input. | |
298 |
|
298 | |||
299 | Returns |
|
299 | Returns | |
300 | ------- |
|
300 | ------- | |
301 | is_complete : boolean |
|
301 | is_complete : boolean | |
302 | True if the current input source (the result of the current input |
|
302 | True if the current input source (the result of the current input | |
303 | plus prior inputs) forms a complete Python execution block. Note that |
|
303 | plus prior inputs) forms a complete Python execution block. Note that | |
304 | this value is also stored as a private attribute (``_is_complete``), so it |
|
304 | this value is also stored as a private attribute (``_is_complete``), so it | |
305 | can be queried at any time. |
|
305 | can be queried at any time. | |
306 | """ |
|
306 | """ | |
307 | self._store(lines) |
|
307 | self._store(lines) | |
308 | source = self.source |
|
308 | source = self.source | |
309 |
|
309 | |||
310 | # Before calling _compile(), reset the code object to None so that if an |
|
310 | # Before calling _compile(), reset the code object to None so that if an | |
311 | # exception is raised in compilation, we don't mislead by having |
|
311 | # exception is raised in compilation, we don't mislead by having | |
312 | # inconsistent code/source attributes. |
|
312 | # inconsistent code/source attributes. | |
313 | self.code, self._is_complete = None, None |
|
313 | self.code, self._is_complete = None, None | |
314 |
|
314 | |||
315 | # Honor termination lines properly |
|
315 | # Honor termination lines properly | |
316 | if source.endswith('\\\n'): |
|
316 | if source.endswith('\\\n'): | |
317 | return False |
|
317 | return False | |
318 |
|
318 | |||
319 | self._update_indent(lines) |
|
319 | self._update_indent(lines) | |
320 | try: |
|
320 | try: | |
321 | self.code = self._compile(source, symbol="exec") |
|
321 | self.code = self._compile(source, symbol="exec") | |
322 | # Invalid syntax can produce any of a number of different errors from |
|
322 | # Invalid syntax can produce any of a number of different errors from | |
323 | # inside the compiler, so we have to catch them all. Syntax errors |
|
323 | # inside the compiler, so we have to catch them all. Syntax errors | |
324 | # immediately produce a 'ready' block, so the invalid Python can be |
|
324 | # immediately produce a 'ready' block, so the invalid Python can be | |
325 | # sent to the kernel for evaluation with possible ipython |
|
325 | # sent to the kernel for evaluation with possible ipython | |
326 | # special-syntax conversion. |
|
326 | # special-syntax conversion. | |
327 | except (SyntaxError, OverflowError, ValueError, TypeError, |
|
327 | except (SyntaxError, OverflowError, ValueError, TypeError, | |
328 | MemoryError): |
|
328 | MemoryError): | |
329 | self._is_complete = True |
|
329 | self._is_complete = True | |
330 | else: |
|
330 | else: | |
331 | # Compilation didn't produce any exceptions (though it may not have |
|
331 | # Compilation didn't produce any exceptions (though it may not have | |
332 | # given a complete code object) |
|
332 | # given a complete code object) | |
333 | self._is_complete = self.code is not None |
|
333 | self._is_complete = self.code is not None | |
334 |
|
334 | |||
335 | return self._is_complete |
|
335 | return self._is_complete | |
336 |
|
336 | |||
337 | def push_accepts_more(self): |
|
337 | def push_accepts_more(self): | |
338 | """Return whether a block of interactive input can accept more input. |
|
338 | """Return whether a block of interactive input can accept more input. | |
339 |
|
339 | |||
340 | This method is meant to be used by line-oriented frontends, who need to |
|
340 | This method is meant to be used by line-oriented frontends, who need to | |
341 | guess whether a block is complete or not based solely on prior and |
|
341 | guess whether a block is complete or not based solely on prior and | |
342 | current input lines. The InputSplitter considers it has a complete |
|
342 | current input lines. The InputSplitter considers it has a complete | |
343 | interactive block and will not accept more input only when either a |
|
343 | interactive block and will not accept more input only when either a | |
344 | SyntaxError is raised, or *all* of the following are true: |
|
344 | SyntaxError is raised, or *all* of the following are true: | |
345 |
|
345 | |||
346 | 1. The input compiles to a complete statement. |
|
346 | 1. The input compiles to a complete statement. | |
347 |
|
347 | |||
348 | 2. The indentation level is flush-left (because if we are indented, |
|
348 | 2. The indentation level is flush-left (because if we are indented, | |
349 | like inside a function definition or for loop, we need to keep |
|
349 | like inside a function definition or for loop, we need to keep | |
350 | reading new input). |
|
350 | reading new input). | |
351 |
|
351 | |||
352 | 3. There is one extra line consisting only of whitespace. |
|
352 | 3. There is one extra line consisting only of whitespace. | |
353 |
|
353 | |||
354 | Because of condition #3, this method should be used only by |
|
354 | Because of condition #3, this method should be used only by | |
355 | *line-oriented* frontends, since it means that intermediate blank lines |
|
355 | *line-oriented* frontends, since it means that intermediate blank lines | |
356 | are not allowed in function definitions (or any other indented block). |
|
356 | are not allowed in function definitions (or any other indented block). | |
357 |
|
357 | |||
358 | If the current input produces a syntax error, this method immediately |
|
358 | If the current input produces a syntax error, this method immediately | |
359 | returns False but does *not* raise the syntax error exception, as |
|
359 | returns False but does *not* raise the syntax error exception, as | |
360 | typically clients will want to send invalid syntax to an execution |
|
360 | typically clients will want to send invalid syntax to an execution | |
361 | backend which might convert the invalid syntax into valid Python via |
|
361 | backend which might convert the invalid syntax into valid Python via | |
362 | one of the dynamic IPython mechanisms. |
|
362 | one of the dynamic IPython mechanisms. | |
363 | """ |
|
363 | """ | |
364 |
|
364 | |||
365 | # With incomplete input, unconditionally accept more |
|
365 | # With incomplete input, unconditionally accept more | |
366 | # A syntax error also sets _is_complete to True - see push() |
|
366 | # A syntax error also sets _is_complete to True - see push() | |
367 | if not self._is_complete: |
|
367 | if not self._is_complete: | |
368 | #print("Not complete") # debug |
|
368 | #print("Not complete") # debug | |
369 | return True |
|
369 | return True | |
370 |
|
370 | |||
371 | # The user can make any (complete) input execute by leaving a blank line |
|
371 | # The user can make any (complete) input execute by leaving a blank line | |
372 | last_line = self.source.splitlines()[-1] |
|
372 | last_line = self.source.splitlines()[-1] | |
373 | if (not last_line) or last_line.isspace(): |
|
373 | if (not last_line) or last_line.isspace(): | |
374 | #print("Blank line") # debug |
|
374 | #print("Blank line") # debug | |
375 | return False |
|
375 | return False | |
376 |
|
376 | |||
377 | # If there's just a single AST node, and we're flush left, as is the |
|
377 | # If there's just a single AST node, and we're flush left, as is the | |
378 | # case after a simple statement such as 'a=1', we want to execute it |
|
378 | # case after a simple statement such as 'a=1', we want to execute it | |
379 | # straight away. |
|
379 | # straight away. | |
380 | if self.indent_spaces==0: |
|
380 | if self.indent_spaces==0: | |
381 | try: |
|
381 | try: | |
382 | code_ast = ast.parse(u''.join(self._buffer)) |
|
382 | code_ast = ast.parse(u''.join(self._buffer)) | |
383 | except Exception: |
|
383 | except Exception: | |
384 | #print("Can't parse AST") # debug |
|
384 | #print("Can't parse AST") # debug | |
385 | return False |
|
385 | return False | |
386 | else: |
|
386 | else: | |
387 | if len(code_ast.body) == 1 and \ |
|
387 | if len(code_ast.body) == 1 and \ | |
388 | not hasattr(code_ast.body[0], 'body'): |
|
388 | not hasattr(code_ast.body[0], 'body'): | |
389 | #print("Simple statement") # debug |
|
389 | #print("Simple statement") # debug | |
390 | return False |
|
390 | return False | |
391 |
|
391 | |||
392 | # General fallback - accept more code |
|
392 | # General fallback - accept more code | |
393 | return True |
|
393 | return True | |
394 |
|
394 | |||
395 | #------------------------------------------------------------------------ |
|
395 | #------------------------------------------------------------------------ | |
396 | # Private interface |
|
396 | # Private interface | |
397 | #------------------------------------------------------------------------ |
|
397 | #------------------------------------------------------------------------ | |
398 |
|
398 | |||
399 | def _find_indent(self, line): |
|
399 | def _find_indent(self, line): | |
400 | """Compute the new indentation level for a single line. |
|
400 | """Compute the new indentation level for a single line. | |
401 |
|
401 | |||
402 | Parameters |
|
402 | Parameters | |
403 | ---------- |
|
403 | ---------- | |
404 | line : str |
|
404 | line : str | |
405 | A single new line of non-whitespace, non-comment Python input. |
|
405 | A single new line of non-whitespace, non-comment Python input. | |
406 |
|
406 | |||
407 | Returns |
|
407 | Returns | |
408 | ------- |
|
408 | ------- | |
409 | indent_spaces : int |
|
409 | indent_spaces : int | |
410 | New value for the indent level (it may be equal to self.indent_spaces |
|
410 | New value for the indent level (it may be equal to self.indent_spaces | |
411 | if indentation doesn't change. |
|
411 | if indentation doesn't change. | |
412 |
|
412 | |||
413 | full_dedent : boolean |
|
413 | full_dedent : boolean | |
414 | Whether the new line causes a full flush-left dedent. |
|
414 | Whether the new line causes a full flush-left dedent. | |
415 | """ |
|
415 | """ | |
416 | indent_spaces = self.indent_spaces |
|
416 | indent_spaces = self.indent_spaces | |
417 | full_dedent = self._full_dedent |
|
417 | full_dedent = self._full_dedent | |
418 |
|
418 | |||
419 | inisp = num_ini_spaces(line) |
|
419 | inisp = num_ini_spaces(line) | |
420 | if inisp < indent_spaces: |
|
420 | if inisp < indent_spaces: | |
421 | indent_spaces = inisp |
|
421 | indent_spaces = inisp | |
422 | if indent_spaces <= 0: |
|
422 | if indent_spaces <= 0: | |
423 | #print 'Full dedent in text',self.source # dbg |
|
423 | #print 'Full dedent in text',self.source # dbg | |
424 | full_dedent = True |
|
424 | full_dedent = True | |
425 |
|
425 | |||
426 | if line.rstrip()[-1] == ':': |
|
426 | if line.rstrip()[-1] == ':': | |
427 | indent_spaces += 4 |
|
427 | indent_spaces += 4 | |
428 | elif dedent_re.match(line): |
|
428 | elif dedent_re.match(line): | |
429 | indent_spaces -= 4 |
|
429 | indent_spaces -= 4 | |
430 | if indent_spaces <= 0: |
|
430 | if indent_spaces <= 0: | |
431 | full_dedent = True |
|
431 | full_dedent = True | |
432 |
|
432 | |||
433 | # Safety |
|
433 | # Safety | |
434 | if indent_spaces < 0: |
|
434 | if indent_spaces < 0: | |
435 | indent_spaces = 0 |
|
435 | indent_spaces = 0 | |
436 | #print 'safety' # dbg |
|
436 | #print 'safety' # dbg | |
437 |
|
437 | |||
438 | return indent_spaces, full_dedent |
|
438 | return indent_spaces, full_dedent | |
439 |
|
439 | |||
440 | def _update_indent(self, lines): |
|
440 | def _update_indent(self, lines): | |
441 | for line in remove_comments(lines).splitlines(): |
|
441 | for line in remove_comments(lines).splitlines(): | |
442 | if line and not line.isspace(): |
|
442 | if line and not line.isspace(): | |
443 | self.indent_spaces, self._full_dedent = self._find_indent(line) |
|
443 | self.indent_spaces, self._full_dedent = self._find_indent(line) | |
444 |
|
444 | |||
445 | def _store(self, lines, buffer=None, store='source'): |
|
445 | def _store(self, lines, buffer=None, store='source'): | |
446 | """Store one or more lines of input. |
|
446 | """Store one or more lines of input. | |
447 |
|
447 | |||
448 | If input lines are not newline-terminated, a newline is automatically |
|
448 | If input lines are not newline-terminated, a newline is automatically | |
449 | appended.""" |
|
449 | appended.""" | |
450 |
|
450 | |||
451 | if buffer is None: |
|
451 | if buffer is None: | |
452 | buffer = self._buffer |
|
452 | buffer = self._buffer | |
453 |
|
453 | |||
454 | if lines.endswith('\n'): |
|
454 | if lines.endswith('\n'): | |
455 | buffer.append(lines) |
|
455 | buffer.append(lines) | |
456 | else: |
|
456 | else: | |
457 | buffer.append(lines+'\n') |
|
457 | buffer.append(lines+'\n') | |
458 | setattr(self, store, self._set_source(buffer)) |
|
458 | setattr(self, store, self._set_source(buffer)) | |
459 |
|
459 | |||
460 | def _set_source(self, buffer): |
|
460 | def _set_source(self, buffer): | |
461 | return u''.join(buffer) |
|
461 | return u''.join(buffer) | |
462 |
|
462 | |||
463 |
|
463 | |||
464 | class IPythonInputSplitter(InputSplitter): |
|
464 | class IPythonInputSplitter(InputSplitter): | |
465 | """An input splitter that recognizes all of IPython's special syntax.""" |
|
465 | """An input splitter that recognizes all of IPython's special syntax.""" | |
466 |
|
466 | |||
467 | # String with raw, untransformed input. |
|
467 | # String with raw, untransformed input. | |
468 | source_raw = '' |
|
468 | source_raw = '' | |
469 |
|
469 | |||
470 | # Flag to track when a transformer has stored input that it hasn't given |
|
470 | # Flag to track when a transformer has stored input that it hasn't given | |
471 | # back yet. |
|
471 | # back yet. | |
472 | transformer_accumulating = False |
|
472 | transformer_accumulating = False | |
473 |
|
473 | |||
474 | # Flag to track when assemble_python_lines has stored input that it hasn't |
|
474 | # Flag to track when assemble_python_lines has stored input that it hasn't | |
475 | # given back yet. |
|
475 | # given back yet. | |
476 | within_python_line = False |
|
476 | within_python_line = False | |
477 |
|
477 | |||
478 | # Private attributes |
|
478 | # Private attributes | |
479 |
|
479 | |||
480 | # List with lines of raw input accumulated so far. |
|
480 | # List with lines of raw input accumulated so far. | |
481 | _buffer_raw = None |
|
481 | _buffer_raw = None | |
482 |
|
482 | |||
483 | def __init__(self, physical_line_transforms=None, |
|
483 | def __init__(self, line_input_checker=False, physical_line_transforms=None, | |
484 | logical_line_transforms=None, python_line_transforms=None): |
|
484 | logical_line_transforms=None, python_line_transforms=None): | |
485 | super(IPythonInputSplitter, self).__init__() |
|
485 | super(IPythonInputSplitter, self).__init__() | |
486 | self._buffer_raw = [] |
|
486 | self._buffer_raw = [] | |
487 | self._validate = True |
|
487 | self._validate = True | |
488 |
|
488 | |||
489 | if physical_line_transforms is not None: |
|
489 | if physical_line_transforms is not None: | |
490 | self.physical_line_transforms = physical_line_transforms |
|
490 | self.physical_line_transforms = physical_line_transforms | |
491 | else: |
|
491 | else: | |
492 | self.physical_line_transforms = [leading_indent(), |
|
492 | self.physical_line_transforms = [leading_indent(), | |
493 | classic_prompt(), |
|
493 | classic_prompt(), | |
494 | ipy_prompt(), |
|
494 | ipy_prompt(), | |
495 | ] |
|
495 | ] | |
496 |
|
496 | |||
497 | self.assemble_logical_lines = assemble_logical_lines() |
|
497 | self.assemble_logical_lines = assemble_logical_lines() | |
498 | if logical_line_transforms is not None: |
|
498 | if logical_line_transforms is not None: | |
499 | self.logical_line_transforms = logical_line_transforms |
|
499 | self.logical_line_transforms = logical_line_transforms | |
500 | else: |
|
500 | else: | |
501 | self.logical_line_transforms = [cellmagic(), |
|
501 | self.logical_line_transforms = [cellmagic(end_on_blank_line=line_input_checker), | |
502 | help_end(), |
|
502 | help_end(), | |
503 | escaped_commands(), |
|
503 | escaped_commands(), | |
504 | assign_from_magic(), |
|
504 | assign_from_magic(), | |
505 | assign_from_system(), |
|
505 | assign_from_system(), | |
506 | ] |
|
506 | ] | |
507 |
|
507 | |||
508 | self.assemble_python_lines = assemble_python_lines() |
|
508 | self.assemble_python_lines = assemble_python_lines() | |
509 | if python_line_transforms is not None: |
|
509 | if python_line_transforms is not None: | |
510 | self.python_line_transforms = python_line_transforms |
|
510 | self.python_line_transforms = python_line_transforms | |
511 | else: |
|
511 | else: | |
512 | # We don't use any of these at present |
|
512 | # We don't use any of these at present | |
513 | self.python_line_transforms = [] |
|
513 | self.python_line_transforms = [] | |
514 |
|
514 | |||
515 | @property |
|
515 | @property | |
516 | def transforms(self): |
|
516 | def transforms(self): | |
517 | "Quick access to all transformers." |
|
517 | "Quick access to all transformers." | |
518 | return self.physical_line_transforms + \ |
|
518 | return self.physical_line_transforms + \ | |
519 | [self.assemble_logical_lines] + self.logical_line_transforms + \ |
|
519 | [self.assemble_logical_lines] + self.logical_line_transforms + \ | |
520 | [self.assemble_python_lines] + self.python_line_transforms |
|
520 | [self.assemble_python_lines] + self.python_line_transforms | |
521 |
|
521 | |||
522 | @property |
|
522 | @property | |
523 | def transforms_in_use(self): |
|
523 | def transforms_in_use(self): | |
524 | """Transformers, excluding logical line transformers if we're in a |
|
524 | """Transformers, excluding logical line transformers if we're in a | |
525 | Python line.""" |
|
525 | Python line.""" | |
526 | t = self.physical_line_transforms[:] |
|
526 | t = self.physical_line_transforms[:] | |
527 | if not self.within_python_line: |
|
527 | if not self.within_python_line: | |
528 | t += [self.assemble_logical_lines] + self.logical_line_transforms |
|
528 | t += [self.assemble_logical_lines] + self.logical_line_transforms | |
529 | return t + [self.assemble_python_lines] + self.python_line_transforms |
|
529 | return t + [self.assemble_python_lines] + self.python_line_transforms | |
530 |
|
530 | |||
531 | def reset(self): |
|
531 | def reset(self): | |
532 | """Reset the input buffer and associated state.""" |
|
532 | """Reset the input buffer and associated state.""" | |
533 | super(IPythonInputSplitter, self).reset() |
|
533 | super(IPythonInputSplitter, self).reset() | |
534 | self._buffer_raw[:] = [] |
|
534 | self._buffer_raw[:] = [] | |
535 | self.source_raw = '' |
|
535 | self.source_raw = '' | |
536 | self.transformer_accumulating = False |
|
536 | self.transformer_accumulating = False | |
537 | self.within_python_line = False |
|
537 | self.within_python_line = False | |
538 | for t in self.transforms: |
|
538 | for t in self.transforms: | |
539 | t.reset() |
|
539 | t.reset() | |
540 |
|
540 | |||
541 | def flush_transformers(self): |
|
541 | def flush_transformers(self): | |
542 | def _flush(transform, out): |
|
542 | def _flush(transform, out): | |
543 | if out is not None: |
|
543 | if out is not None: | |
544 | tmp = transform.push(out) |
|
544 | tmp = transform.push(out) | |
545 | return tmp or transform.reset() or None |
|
545 | return tmp or transform.reset() or None | |
546 | else: |
|
546 | else: | |
547 | return transform.reset() or None |
|
547 | return transform.reset() or None | |
548 |
|
548 | |||
549 | out = None |
|
549 | out = None | |
550 | for t in self.transforms_in_use: |
|
550 | for t in self.transforms_in_use: | |
551 | out = _flush(t, out) |
|
551 | out = _flush(t, out) | |
552 |
|
552 | |||
553 | if out is not None: |
|
553 | if out is not None: | |
554 | self._store(out) |
|
554 | self._store(out) | |
555 |
|
555 | |||
556 | def source_raw_reset(self): |
|
556 | def source_raw_reset(self): | |
557 | """Return input and raw source and perform a full reset. |
|
557 | """Return input and raw source and perform a full reset. | |
558 | """ |
|
558 | """ | |
559 | self.flush_transformers() |
|
559 | self.flush_transformers() | |
560 | out = self.source |
|
560 | out = self.source | |
561 | out_r = self.source_raw |
|
561 | out_r = self.source_raw | |
562 | self.reset() |
|
562 | self.reset() | |
563 | return out, out_r |
|
563 | return out, out_r | |
564 |
|
564 | |||
565 | def source_reset(self): |
|
565 | def source_reset(self): | |
566 | self.flush_transformers() |
|
566 | self.flush_transformers() | |
567 | return super(IPythonInputSplitter, self).source_reset() |
|
567 | return super(IPythonInputSplitter, self).source_reset() | |
568 |
|
568 | |||
569 | def push_accepts_more(self): |
|
569 | def push_accepts_more(self): | |
570 | if self.transformer_accumulating: |
|
570 | if self.transformer_accumulating: | |
571 | return True |
|
571 | return True | |
572 | else: |
|
572 | else: | |
573 | return super(IPythonInputSplitter, self).push_accepts_more() |
|
573 | return super(IPythonInputSplitter, self).push_accepts_more() | |
574 |
|
574 | |||
575 | def transform_cell(self, cell): |
|
575 | def transform_cell(self, cell): | |
576 | """Process and translate a cell of input. |
|
576 | """Process and translate a cell of input. | |
577 | """ |
|
577 | """ | |
578 | self.reset() |
|
578 | self.reset() | |
579 | self.push(cell) |
|
579 | self.push(cell) | |
580 | return self.source_reset() |
|
580 | return self.source_reset() | |
581 |
|
581 | |||
582 | def push(self, lines): |
|
582 | def push(self, lines): | |
583 | """Push one or more lines of IPython input. |
|
583 | """Push one or more lines of IPython input. | |
584 |
|
584 | |||
585 | This stores the given lines and returns a status code indicating |
|
585 | This stores the given lines and returns a status code indicating | |
586 | whether the code forms a complete Python block or not, after processing |
|
586 | whether the code forms a complete Python block or not, after processing | |
587 | all input lines for special IPython syntax. |
|
587 | all input lines for special IPython syntax. | |
588 |
|
588 | |||
589 | Any exceptions generated in compilation are swallowed, but if an |
|
589 | Any exceptions generated in compilation are swallowed, but if an | |
590 | exception was produced, the method returns True. |
|
590 | exception was produced, the method returns True. | |
591 |
|
591 | |||
592 | Parameters |
|
592 | Parameters | |
593 | ---------- |
|
593 | ---------- | |
594 | lines : string |
|
594 | lines : string | |
595 | One or more lines of Python input. |
|
595 | One or more lines of Python input. | |
596 |
|
596 | |||
597 | Returns |
|
597 | Returns | |
598 | ------- |
|
598 | ------- | |
599 | is_complete : boolean |
|
599 | is_complete : boolean | |
600 | True if the current input source (the result of the current input |
|
600 | True if the current input source (the result of the current input | |
601 | plus prior inputs) forms a complete Python execution block. Note that |
|
601 | plus prior inputs) forms a complete Python execution block. Note that | |
602 | this value is also stored as a private attribute (_is_complete), so it |
|
602 | this value is also stored as a private attribute (_is_complete), so it | |
603 | can be queried at any time. |
|
603 | can be queried at any time. | |
604 | """ |
|
604 | """ | |
605 |
|
605 | |||
606 | # We must ensure all input is pure unicode |
|
606 | # We must ensure all input is pure unicode | |
607 | lines = cast_unicode(lines, self.encoding) |
|
607 | lines = cast_unicode(lines, self.encoding) | |
608 |
|
608 | |||
609 | # ''.splitlines() --> [], but we need to push the empty line to transformers |
|
609 | # ''.splitlines() --> [], but we need to push the empty line to transformers | |
610 | lines_list = lines.splitlines() |
|
610 | lines_list = lines.splitlines() | |
611 | if not lines_list: |
|
611 | if not lines_list: | |
612 | lines_list = [''] |
|
612 | lines_list = [''] | |
613 |
|
613 | |||
614 | # Store raw source before applying any transformations to it. Note |
|
614 | # Store raw source before applying any transformations to it. Note | |
615 | # that this must be done *after* the reset() call that would otherwise |
|
615 | # that this must be done *after* the reset() call that would otherwise | |
616 | # flush the buffer. |
|
616 | # flush the buffer. | |
617 | self._store(lines, self._buffer_raw, 'source_raw') |
|
617 | self._store(lines, self._buffer_raw, 'source_raw') | |
618 |
|
618 | |||
619 | for line in lines_list: |
|
619 | for line in lines_list: | |
620 | out = self.push_line(line) |
|
620 | out = self.push_line(line) | |
621 |
|
621 | |||
622 | return out |
|
622 | return out | |
623 |
|
623 | |||
624 | def push_line(self, line): |
|
624 | def push_line(self, line): | |
625 | buf = self._buffer |
|
625 | buf = self._buffer | |
626 |
|
626 | |||
627 | def _accumulating(dbg): |
|
627 | def _accumulating(dbg): | |
628 | #print(dbg) |
|
628 | #print(dbg) | |
629 | self.transformer_accumulating = True |
|
629 | self.transformer_accumulating = True | |
630 | return False |
|
630 | return False | |
631 |
|
631 | |||
632 | for transformer in self.physical_line_transforms: |
|
632 | for transformer in self.physical_line_transforms: | |
633 | line = transformer.push(line) |
|
633 | line = transformer.push(line) | |
634 | if line is None: |
|
634 | if line is None: | |
635 | return _accumulating(transformer) |
|
635 | return _accumulating(transformer) | |
636 |
|
636 | |||
637 | if not self.within_python_line: |
|
637 | if not self.within_python_line: | |
638 | line = self.assemble_logical_lines.push(line) |
|
638 | line = self.assemble_logical_lines.push(line) | |
639 | if line is None: |
|
639 | if line is None: | |
640 | return _accumulating('acc logical line') |
|
640 | return _accumulating('acc logical line') | |
641 |
|
641 | |||
642 | for transformer in self.logical_line_transforms: |
|
642 | for transformer in self.logical_line_transforms: | |
643 | line = transformer.push(line) |
|
643 | line = transformer.push(line) | |
644 | if line is None: |
|
644 | if line is None: | |
645 | return _accumulating(transformer) |
|
645 | return _accumulating(transformer) | |
646 |
|
646 | |||
647 | line = self.assemble_python_lines.push(line) |
|
647 | line = self.assemble_python_lines.push(line) | |
648 | if line is None: |
|
648 | if line is None: | |
649 | self.within_python_line = True |
|
649 | self.within_python_line = True | |
650 | return _accumulating('acc python line') |
|
650 | return _accumulating('acc python line') | |
651 | else: |
|
651 | else: | |
652 | self.within_python_line = False |
|
652 | self.within_python_line = False | |
653 |
|
653 | |||
654 | for transformer in self.python_line_transforms: |
|
654 | for transformer in self.python_line_transforms: | |
655 | line = transformer.push(line) |
|
655 | line = transformer.push(line) | |
656 | if line is None: |
|
656 | if line is None: | |
657 | return _accumulating(transformer) |
|
657 | return _accumulating(transformer) | |
658 |
|
658 | |||
659 | #print("transformers clear") #debug |
|
659 | #print("transformers clear") #debug | |
660 | self.transformer_accumulating = False |
|
660 | self.transformer_accumulating = False | |
661 | return super(IPythonInputSplitter, self).push(line) |
|
661 | return super(IPythonInputSplitter, self).push(line) |
@@ -1,436 +1,437 b'' | |||||
1 | import abc |
|
1 | import abc | |
2 | import functools |
|
2 | import functools | |
3 | import re |
|
3 | import re | |
4 | from StringIO import StringIO |
|
4 | from StringIO import StringIO | |
5 |
|
5 | |||
6 | from IPython.core.splitinput import split_user_input, LineInfo |
|
6 | from IPython.core.splitinput import split_user_input, LineInfo | |
7 | from IPython.utils import tokenize2 |
|
7 | from IPython.utils import tokenize2 | |
8 | from IPython.utils.tokenize2 import generate_tokens, untokenize, TokenError |
|
8 | from IPython.utils.tokenize2 import generate_tokens, untokenize, TokenError | |
9 |
|
9 | |||
10 | #----------------------------------------------------------------------------- |
|
10 | #----------------------------------------------------------------------------- | |
11 | # Globals |
|
11 | # Globals | |
12 | #----------------------------------------------------------------------------- |
|
12 | #----------------------------------------------------------------------------- | |
13 |
|
13 | |||
14 | # The escape sequences that define the syntax transformations IPython will |
|
14 | # The escape sequences that define the syntax transformations IPython will | |
15 | # apply to user input. These can NOT be just changed here: many regular |
|
15 | # apply to user input. These can NOT be just changed here: many regular | |
16 | # expressions and other parts of the code may use their hardcoded values, and |
|
16 | # expressions and other parts of the code may use their hardcoded values, and | |
17 | # for all intents and purposes they constitute the 'IPython syntax', so they |
|
17 | # for all intents and purposes they constitute the 'IPython syntax', so they | |
18 | # should be considered fixed. |
|
18 | # should be considered fixed. | |
19 |
|
19 | |||
20 | ESC_SHELL = '!' # Send line to underlying system shell |
|
20 | ESC_SHELL = '!' # Send line to underlying system shell | |
21 | ESC_SH_CAP = '!!' # Send line to system shell and capture output |
|
21 | ESC_SH_CAP = '!!' # Send line to system shell and capture output | |
22 | ESC_HELP = '?' # Find information about object |
|
22 | ESC_HELP = '?' # Find information about object | |
23 | ESC_HELP2 = '??' # Find extra-detailed information about object |
|
23 | ESC_HELP2 = '??' # Find extra-detailed information about object | |
24 | ESC_MAGIC = '%' # Call magic function |
|
24 | ESC_MAGIC = '%' # Call magic function | |
25 | ESC_MAGIC2 = '%%' # Call cell-magic function |
|
25 | ESC_MAGIC2 = '%%' # Call cell-magic function | |
26 | ESC_QUOTE = ',' # Split args on whitespace, quote each as string and call |
|
26 | ESC_QUOTE = ',' # Split args on whitespace, quote each as string and call | |
27 | ESC_QUOTE2 = ';' # Quote all args as a single string, call |
|
27 | ESC_QUOTE2 = ';' # Quote all args as a single string, call | |
28 | ESC_PAREN = '/' # Call first argument with rest of line as arguments |
|
28 | ESC_PAREN = '/' # Call first argument with rest of line as arguments | |
29 |
|
29 | |||
30 | ESC_SEQUENCES = [ESC_SHELL, ESC_SH_CAP, ESC_HELP ,\ |
|
30 | ESC_SEQUENCES = [ESC_SHELL, ESC_SH_CAP, ESC_HELP ,\ | |
31 | ESC_HELP2, ESC_MAGIC, ESC_MAGIC2,\ |
|
31 | ESC_HELP2, ESC_MAGIC, ESC_MAGIC2,\ | |
32 | ESC_QUOTE, ESC_QUOTE2, ESC_PAREN ] |
|
32 | ESC_QUOTE, ESC_QUOTE2, ESC_PAREN ] | |
33 |
|
33 | |||
34 |
|
34 | |||
35 | class InputTransformer(object): |
|
35 | class InputTransformer(object): | |
36 | """Abstract base class for line-based input transformers.""" |
|
36 | """Abstract base class for line-based input transformers.""" | |
37 | __metaclass__ = abc.ABCMeta |
|
37 | __metaclass__ = abc.ABCMeta | |
38 |
|
38 | |||
39 | @abc.abstractmethod |
|
39 | @abc.abstractmethod | |
40 | def push(self, line): |
|
40 | def push(self, line): | |
41 | """Send a line of input to the transformer, returning the transformed |
|
41 | """Send a line of input to the transformer, returning the transformed | |
42 | input or None if the transformer is waiting for more input. |
|
42 | input or None if the transformer is waiting for more input. | |
43 |
|
43 | |||
44 | Must be overridden by subclasses. |
|
44 | Must be overridden by subclasses. | |
45 | """ |
|
45 | """ | |
46 | pass |
|
46 | pass | |
47 |
|
47 | |||
48 | @abc.abstractmethod |
|
48 | @abc.abstractmethod | |
49 | def reset(self): |
|
49 | def reset(self): | |
50 | """Return, transformed any lines that the transformer has accumulated, |
|
50 | """Return, transformed any lines that the transformer has accumulated, | |
51 | and reset its internal state. |
|
51 | and reset its internal state. | |
52 |
|
52 | |||
53 | Must be overridden by subclasses. |
|
53 | Must be overridden by subclasses. | |
54 | """ |
|
54 | """ | |
55 | pass |
|
55 | pass | |
56 |
|
56 | |||
57 | @classmethod |
|
57 | @classmethod | |
58 | def wrap(cls, func): |
|
58 | def wrap(cls, func): | |
59 | """Can be used by subclasses as a decorator, to return a factory that |
|
59 | """Can be used by subclasses as a decorator, to return a factory that | |
60 | will allow instantiation with the decorated object. |
|
60 | will allow instantiation with the decorated object. | |
61 | """ |
|
61 | """ | |
62 | @functools.wraps(func) |
|
62 | @functools.wraps(func) | |
63 | def transformer_factory(): |
|
63 | def transformer_factory(**kwargs): | |
64 | return cls(func) |
|
64 | return cls(func, **kwargs) | |
65 |
|
65 | |||
66 | return transformer_factory |
|
66 | return transformer_factory | |
67 |
|
67 | |||
68 | class StatelessInputTransformer(InputTransformer): |
|
68 | class StatelessInputTransformer(InputTransformer): | |
69 | """Wrapper for a stateless input transformer implemented as a function.""" |
|
69 | """Wrapper for a stateless input transformer implemented as a function.""" | |
70 | def __init__(self, func): |
|
70 | def __init__(self, func): | |
71 | self.func = func |
|
71 | self.func = func | |
72 |
|
72 | |||
73 | def __repr__(self): |
|
73 | def __repr__(self): | |
74 | return "StatelessInputTransformer(func={!r})".format(self.func) |
|
74 | return "StatelessInputTransformer(func={!r})".format(self.func) | |
75 |
|
75 | |||
76 | def push(self, line): |
|
76 | def push(self, line): | |
77 | """Send a line of input to the transformer, returning the |
|
77 | """Send a line of input to the transformer, returning the | |
78 | transformed input.""" |
|
78 | transformed input.""" | |
79 | return self.func(line) |
|
79 | return self.func(line) | |
80 |
|
80 | |||
81 | def reset(self): |
|
81 | def reset(self): | |
82 | """No-op - exists for compatibility.""" |
|
82 | """No-op - exists for compatibility.""" | |
83 | pass |
|
83 | pass | |
84 |
|
84 | |||
85 | class CoroutineInputTransformer(InputTransformer): |
|
85 | class CoroutineInputTransformer(InputTransformer): | |
86 | """Wrapper for an input transformer implemented as a coroutine.""" |
|
86 | """Wrapper for an input transformer implemented as a coroutine.""" | |
87 | def __init__(self, coro): |
|
87 | def __init__(self, coro, **kwargs): | |
88 | # Prime it |
|
88 | # Prime it | |
89 | self.coro = coro() |
|
89 | self.coro = coro(**kwargs) | |
90 | next(self.coro) |
|
90 | next(self.coro) | |
91 |
|
91 | |||
92 | def __repr__(self): |
|
92 | def __repr__(self): | |
93 | return "CoroutineInputTransformer(coro={!r})".format(self.coro) |
|
93 | return "CoroutineInputTransformer(coro={!r})".format(self.coro) | |
94 |
|
94 | |||
95 | def push(self, line): |
|
95 | def push(self, line): | |
96 | """Send a line of input to the transformer, returning the |
|
96 | """Send a line of input to the transformer, returning the | |
97 | transformed input or None if the transformer is waiting for more |
|
97 | transformed input or None if the transformer is waiting for more | |
98 | input. |
|
98 | input. | |
99 | """ |
|
99 | """ | |
100 | return self.coro.send(line) |
|
100 | return self.coro.send(line) | |
101 |
|
101 | |||
102 | def reset(self): |
|
102 | def reset(self): | |
103 | """Return, transformed any lines that the transformer has |
|
103 | """Return, transformed any lines that the transformer has | |
104 | accumulated, and reset its internal state. |
|
104 | accumulated, and reset its internal state. | |
105 | """ |
|
105 | """ | |
106 | return self.coro.send(None) |
|
106 | return self.coro.send(None) | |
107 |
|
107 | |||
108 | class TokenInputTransformer(InputTransformer): |
|
108 | class TokenInputTransformer(InputTransformer): | |
109 | """Wrapper for a token-based input transformer. |
|
109 | """Wrapper for a token-based input transformer. | |
110 |
|
110 | |||
111 | func should accept a list of tokens (5-tuples, see tokenize docs), and |
|
111 | func should accept a list of tokens (5-tuples, see tokenize docs), and | |
112 | return an iterable which can be passed to tokenize.untokenize(). |
|
112 | return an iterable which can be passed to tokenize.untokenize(). | |
113 | """ |
|
113 | """ | |
114 | def __init__(self, func): |
|
114 | def __init__(self, func): | |
115 | self.func = func |
|
115 | self.func = func | |
116 | self.current_line = "" |
|
116 | self.current_line = "" | |
117 | self.line_used = False |
|
117 | self.line_used = False | |
118 | self.reset_tokenizer() |
|
118 | self.reset_tokenizer() | |
119 |
|
119 | |||
120 | def reset_tokenizer(self): |
|
120 | def reset_tokenizer(self): | |
121 | self.tokenizer = generate_tokens(self.get_line) |
|
121 | self.tokenizer = generate_tokens(self.get_line) | |
122 |
|
122 | |||
123 | def get_line(self): |
|
123 | def get_line(self): | |
124 | if self.line_used: |
|
124 | if self.line_used: | |
125 | raise TokenError |
|
125 | raise TokenError | |
126 | self.line_used = True |
|
126 | self.line_used = True | |
127 | return self.current_line |
|
127 | return self.current_line | |
128 |
|
128 | |||
129 | def push(self, line): |
|
129 | def push(self, line): | |
130 | self.current_line += line + "\n" |
|
130 | self.current_line += line + "\n" | |
131 | if self.current_line.isspace(): |
|
131 | if self.current_line.isspace(): | |
132 | return self.reset() |
|
132 | return self.reset() | |
133 |
|
133 | |||
134 | self.line_used = False |
|
134 | self.line_used = False | |
135 | tokens = [] |
|
135 | tokens = [] | |
136 | stop_at_NL = False |
|
136 | stop_at_NL = False | |
137 | try: |
|
137 | try: | |
138 | for intok in self.tokenizer: |
|
138 | for intok in self.tokenizer: | |
139 | tokens.append(intok) |
|
139 | tokens.append(intok) | |
140 | t = intok[0] |
|
140 | t = intok[0] | |
141 | if t == tokenize2.NEWLINE or (stop_at_NL and t == tokenize2.NL): |
|
141 | if t == tokenize2.NEWLINE or (stop_at_NL and t == tokenize2.NL): | |
142 | # Stop before we try to pull a line we don't have yet |
|
142 | # Stop before we try to pull a line we don't have yet | |
143 | break |
|
143 | break | |
144 | elif t == tokenize2.ERRORTOKEN: |
|
144 | elif t == tokenize2.ERRORTOKEN: | |
145 | stop_at_NL = True |
|
145 | stop_at_NL = True | |
146 | except TokenError: |
|
146 | except TokenError: | |
147 | # Multi-line statement - stop and try again with the next line |
|
147 | # Multi-line statement - stop and try again with the next line | |
148 | self.reset_tokenizer() |
|
148 | self.reset_tokenizer() | |
149 | return None |
|
149 | return None | |
150 |
|
150 | |||
151 | return self.output(tokens) |
|
151 | return self.output(tokens) | |
152 |
|
152 | |||
153 | def output(self, tokens): |
|
153 | def output(self, tokens): | |
154 | self.current_line = "" |
|
154 | self.current_line = "" | |
155 | self.reset_tokenizer() |
|
155 | self.reset_tokenizer() | |
156 | return untokenize(self.func(tokens)).rstrip('\n') |
|
156 | return untokenize(self.func(tokens)).rstrip('\n') | |
157 |
|
157 | |||
158 | def reset(self): |
|
158 | def reset(self): | |
159 | l = self.current_line |
|
159 | l = self.current_line | |
160 | self.current_line = "" |
|
160 | self.current_line = "" | |
161 | self.reset_tokenizer() |
|
161 | self.reset_tokenizer() | |
162 | if l: |
|
162 | if l: | |
163 | return l.rstrip('\n') |
|
163 | return l.rstrip('\n') | |
164 |
|
164 | |||
165 | class assemble_python_lines(TokenInputTransformer): |
|
165 | class assemble_python_lines(TokenInputTransformer): | |
166 | def __init__(self): |
|
166 | def __init__(self): | |
167 | super(assemble_python_lines, self).__init__(None) |
|
167 | super(assemble_python_lines, self).__init__(None) | |
168 |
|
168 | |||
169 | def output(self, tokens): |
|
169 | def output(self, tokens): | |
170 | return self.reset() |
|
170 | return self.reset() | |
171 |
|
171 | |||
172 | @CoroutineInputTransformer.wrap |
|
172 | @CoroutineInputTransformer.wrap | |
173 | def assemble_logical_lines(): |
|
173 | def assemble_logical_lines(): | |
174 | """Join lines following explicit line continuations (\)""" |
|
174 | """Join lines following explicit line continuations (\)""" | |
175 | line = '' |
|
175 | line = '' | |
176 | while True: |
|
176 | while True: | |
177 | line = (yield line) |
|
177 | line = (yield line) | |
178 | if not line or line.isspace(): |
|
178 | if not line or line.isspace(): | |
179 | continue |
|
179 | continue | |
180 |
|
180 | |||
181 | parts = [] |
|
181 | parts = [] | |
182 | while line is not None: |
|
182 | while line is not None: | |
183 | if line.endswith('\\') and (not has_comment(line)): |
|
183 | if line.endswith('\\') and (not has_comment(line)): | |
184 | parts.append(line[:-1]) |
|
184 | parts.append(line[:-1]) | |
185 | line = (yield None) # Get another line |
|
185 | line = (yield None) # Get another line | |
186 | else: |
|
186 | else: | |
187 | parts.append(line) |
|
187 | parts.append(line) | |
188 | break |
|
188 | break | |
189 |
|
189 | |||
190 | # Output |
|
190 | # Output | |
191 | line = ''.join(parts) |
|
191 | line = ''.join(parts) | |
192 |
|
192 | |||
193 | # Utilities |
|
193 | # Utilities | |
194 | def _make_help_call(target, esc, lspace, next_input=None): |
|
194 | def _make_help_call(target, esc, lspace, next_input=None): | |
195 | """Prepares a pinfo(2)/psearch call from a target name and the escape |
|
195 | """Prepares a pinfo(2)/psearch call from a target name and the escape | |
196 | (i.e. ? or ??)""" |
|
196 | (i.e. ? or ??)""" | |
197 | method = 'pinfo2' if esc == '??' \ |
|
197 | method = 'pinfo2' if esc == '??' \ | |
198 | else 'psearch' if '*' in target \ |
|
198 | else 'psearch' if '*' in target \ | |
199 | else 'pinfo' |
|
199 | else 'pinfo' | |
200 | arg = " ".join([method, target]) |
|
200 | arg = " ".join([method, target]) | |
201 | if next_input is None: |
|
201 | if next_input is None: | |
202 | return '%sget_ipython().magic(%r)' % (lspace, arg) |
|
202 | return '%sget_ipython().magic(%r)' % (lspace, arg) | |
203 | else: |
|
203 | else: | |
204 | return '%sget_ipython().set_next_input(%r);get_ipython().magic(%r)' % \ |
|
204 | return '%sget_ipython().set_next_input(%r);get_ipython().magic(%r)' % \ | |
205 | (lspace, next_input, arg) |
|
205 | (lspace, next_input, arg) | |
206 |
|
206 | |||
207 | # These define the transformations for the different escape characters. |
|
207 | # These define the transformations for the different escape characters. | |
208 | def _tr_system(line_info): |
|
208 | def _tr_system(line_info): | |
209 | "Translate lines escaped with: !" |
|
209 | "Translate lines escaped with: !" | |
210 | cmd = line_info.line.lstrip().lstrip(ESC_SHELL) |
|
210 | cmd = line_info.line.lstrip().lstrip(ESC_SHELL) | |
211 | return '%sget_ipython().system(%r)' % (line_info.pre, cmd) |
|
211 | return '%sget_ipython().system(%r)' % (line_info.pre, cmd) | |
212 |
|
212 | |||
213 | def _tr_system2(line_info): |
|
213 | def _tr_system2(line_info): | |
214 | "Translate lines escaped with: !!" |
|
214 | "Translate lines escaped with: !!" | |
215 | cmd = line_info.line.lstrip()[2:] |
|
215 | cmd = line_info.line.lstrip()[2:] | |
216 | return '%sget_ipython().getoutput(%r)' % (line_info.pre, cmd) |
|
216 | return '%sget_ipython().getoutput(%r)' % (line_info.pre, cmd) | |
217 |
|
217 | |||
218 | def _tr_help(line_info): |
|
218 | def _tr_help(line_info): | |
219 | "Translate lines escaped with: ?/??" |
|
219 | "Translate lines escaped with: ?/??" | |
220 | # A naked help line should just fire the intro help screen |
|
220 | # A naked help line should just fire the intro help screen | |
221 | if not line_info.line[1:]: |
|
221 | if not line_info.line[1:]: | |
222 | return 'get_ipython().show_usage()' |
|
222 | return 'get_ipython().show_usage()' | |
223 |
|
223 | |||
224 | return _make_help_call(line_info.ifun, line_info.esc, line_info.pre) |
|
224 | return _make_help_call(line_info.ifun, line_info.esc, line_info.pre) | |
225 |
|
225 | |||
226 | def _tr_magic(line_info): |
|
226 | def _tr_magic(line_info): | |
227 | "Translate lines escaped with: %" |
|
227 | "Translate lines escaped with: %" | |
228 | tpl = '%sget_ipython().magic(%r)' |
|
228 | tpl = '%sget_ipython().magic(%r)' | |
229 | cmd = ' '.join([line_info.ifun, line_info.the_rest]).strip() |
|
229 | cmd = ' '.join([line_info.ifun, line_info.the_rest]).strip() | |
230 | return tpl % (line_info.pre, cmd) |
|
230 | return tpl % (line_info.pre, cmd) | |
231 |
|
231 | |||
232 | def _tr_quote(line_info): |
|
232 | def _tr_quote(line_info): | |
233 | "Translate lines escaped with: ," |
|
233 | "Translate lines escaped with: ," | |
234 | return '%s%s("%s")' % (line_info.pre, line_info.ifun, |
|
234 | return '%s%s("%s")' % (line_info.pre, line_info.ifun, | |
235 | '", "'.join(line_info.the_rest.split()) ) |
|
235 | '", "'.join(line_info.the_rest.split()) ) | |
236 |
|
236 | |||
237 | def _tr_quote2(line_info): |
|
237 | def _tr_quote2(line_info): | |
238 | "Translate lines escaped with: ;" |
|
238 | "Translate lines escaped with: ;" | |
239 | return '%s%s("%s")' % (line_info.pre, line_info.ifun, |
|
239 | return '%s%s("%s")' % (line_info.pre, line_info.ifun, | |
240 | line_info.the_rest) |
|
240 | line_info.the_rest) | |
241 |
|
241 | |||
242 | def _tr_paren(line_info): |
|
242 | def _tr_paren(line_info): | |
243 | "Translate lines escaped with: /" |
|
243 | "Translate lines escaped with: /" | |
244 | return '%s%s(%s)' % (line_info.pre, line_info.ifun, |
|
244 | return '%s%s(%s)' % (line_info.pre, line_info.ifun, | |
245 | ", ".join(line_info.the_rest.split())) |
|
245 | ", ".join(line_info.the_rest.split())) | |
246 |
|
246 | |||
247 | tr = { ESC_SHELL : _tr_system, |
|
247 | tr = { ESC_SHELL : _tr_system, | |
248 | ESC_SH_CAP : _tr_system2, |
|
248 | ESC_SH_CAP : _tr_system2, | |
249 | ESC_HELP : _tr_help, |
|
249 | ESC_HELP : _tr_help, | |
250 | ESC_HELP2 : _tr_help, |
|
250 | ESC_HELP2 : _tr_help, | |
251 | ESC_MAGIC : _tr_magic, |
|
251 | ESC_MAGIC : _tr_magic, | |
252 | ESC_QUOTE : _tr_quote, |
|
252 | ESC_QUOTE : _tr_quote, | |
253 | ESC_QUOTE2 : _tr_quote2, |
|
253 | ESC_QUOTE2 : _tr_quote2, | |
254 | ESC_PAREN : _tr_paren } |
|
254 | ESC_PAREN : _tr_paren } | |
255 |
|
255 | |||
256 | @StatelessInputTransformer.wrap |
|
256 | @StatelessInputTransformer.wrap | |
257 | def escaped_commands(line): |
|
257 | def escaped_commands(line): | |
258 | """Transform escaped commands - %magic, !system, ?help + various autocalls. |
|
258 | """Transform escaped commands - %magic, !system, ?help + various autocalls. | |
259 | """ |
|
259 | """ | |
260 | if not line or line.isspace(): |
|
260 | if not line or line.isspace(): | |
261 | return line |
|
261 | return line | |
262 | lineinf = LineInfo(line) |
|
262 | lineinf = LineInfo(line) | |
263 | if lineinf.esc not in tr: |
|
263 | if lineinf.esc not in tr: | |
264 | return line |
|
264 | return line | |
265 |
|
265 | |||
266 | return tr[lineinf.esc](lineinf) |
|
266 | return tr[lineinf.esc](lineinf) | |
267 |
|
267 | |||
268 | _initial_space_re = re.compile(r'\s*') |
|
268 | _initial_space_re = re.compile(r'\s*') | |
269 |
|
269 | |||
270 | _help_end_re = re.compile(r"""(%{0,2} |
|
270 | _help_end_re = re.compile(r"""(%{0,2} | |
271 | [a-zA-Z_*][\w*]* # Variable name |
|
271 | [a-zA-Z_*][\w*]* # Variable name | |
272 | (\.[a-zA-Z_*][\w*]*)* # .etc.etc |
|
272 | (\.[a-zA-Z_*][\w*]*)* # .etc.etc | |
273 | ) |
|
273 | ) | |
274 | (\?\??)$ # ? or ??""", |
|
274 | (\?\??)$ # ? or ??""", | |
275 | re.VERBOSE) |
|
275 | re.VERBOSE) | |
276 |
|
276 | |||
277 | def has_comment(src): |
|
277 | def has_comment(src): | |
278 | """Indicate whether an input line has (i.e. ends in, or is) a comment. |
|
278 | """Indicate whether an input line has (i.e. ends in, or is) a comment. | |
279 |
|
279 | |||
280 | This uses tokenize, so it can distinguish comments from # inside strings. |
|
280 | This uses tokenize, so it can distinguish comments from # inside strings. | |
281 |
|
281 | |||
282 | Parameters |
|
282 | Parameters | |
283 | ---------- |
|
283 | ---------- | |
284 | src : string |
|
284 | src : string | |
285 | A single line input string. |
|
285 | A single line input string. | |
286 |
|
286 | |||
287 | Returns |
|
287 | Returns | |
288 | ------- |
|
288 | ------- | |
289 | comment : bool |
|
289 | comment : bool | |
290 | True if source has a comment. |
|
290 | True if source has a comment. | |
291 | """ |
|
291 | """ | |
292 | readline = StringIO(src).readline |
|
292 | readline = StringIO(src).readline | |
293 | toktypes = set() |
|
293 | toktypes = set() | |
294 | try: |
|
294 | try: | |
295 | for t in generate_tokens(readline): |
|
295 | for t in generate_tokens(readline): | |
296 | toktypes.add(t[0]) |
|
296 | toktypes.add(t[0]) | |
297 | except TokenError: |
|
297 | except TokenError: | |
298 | pass |
|
298 | pass | |
299 | return(tokenize2.COMMENT in toktypes) |
|
299 | return(tokenize2.COMMENT in toktypes) | |
300 |
|
300 | |||
301 |
|
301 | |||
302 | @StatelessInputTransformer.wrap |
|
302 | @StatelessInputTransformer.wrap | |
303 | def help_end(line): |
|
303 | def help_end(line): | |
304 | """Translate lines with ?/?? at the end""" |
|
304 | """Translate lines with ?/?? at the end""" | |
305 | m = _help_end_re.search(line) |
|
305 | m = _help_end_re.search(line) | |
306 | if m is None or has_comment(line): |
|
306 | if m is None or has_comment(line): | |
307 | return line |
|
307 | return line | |
308 | target = m.group(1) |
|
308 | target = m.group(1) | |
309 | esc = m.group(3) |
|
309 | esc = m.group(3) | |
310 | lspace = _initial_space_re.match(line).group(0) |
|
310 | lspace = _initial_space_re.match(line).group(0) | |
311 |
|
311 | |||
312 | # If we're mid-command, put it back on the next prompt for the user. |
|
312 | # If we're mid-command, put it back on the next prompt for the user. | |
313 | next_input = line.rstrip('?') if line.strip() != m.group(0) else None |
|
313 | next_input = line.rstrip('?') if line.strip() != m.group(0) else None | |
314 |
|
314 | |||
315 | return _make_help_call(target, esc, lspace, next_input) |
|
315 | return _make_help_call(target, esc, lspace, next_input) | |
316 |
|
316 | |||
317 |
|
317 | |||
318 | @CoroutineInputTransformer.wrap |
|
318 | @CoroutineInputTransformer.wrap | |
319 | def cellmagic(): |
|
319 | def cellmagic(end_on_blank_line=False): | |
320 | """Captures & transforms cell magics. |
|
320 | """Captures & transforms cell magics. | |
321 |
|
321 | |||
322 | After a cell magic is started, this stores up any lines it gets until it is |
|
322 | After a cell magic is started, this stores up any lines it gets until it is | |
323 | reset (sent None). |
|
323 | reset (sent None). | |
324 | """ |
|
324 | """ | |
325 | tpl = 'get_ipython().run_cell_magic(%r, %r, %r)' |
|
325 | tpl = 'get_ipython().run_cell_magic(%r, %r, %r)' | |
326 | cellmagic_help_re = re.compile('%%\w+\?') |
|
326 | cellmagic_help_re = re.compile('%%\w+\?') | |
327 | line = '' |
|
327 | line = '' | |
328 | while True: |
|
328 | while True: | |
329 | line = (yield line) |
|
329 | line = (yield line) | |
330 | if (not line) or (not line.startswith(ESC_MAGIC2)): |
|
330 | if (not line) or (not line.startswith(ESC_MAGIC2)): | |
331 | continue |
|
331 | continue | |
332 |
|
332 | |||
333 | if cellmagic_help_re.match(line): |
|
333 | if cellmagic_help_re.match(line): | |
334 | # This case will be handled by help_end |
|
334 | # This case will be handled by help_end | |
335 | continue |
|
335 | continue | |
336 |
|
336 | |||
337 | first = line |
|
337 | first = line | |
338 | body = [] |
|
338 | body = [] | |
339 | line = (yield None) |
|
339 | line = (yield None) | |
340 |
while (line is not None) and |
|
340 | while (line is not None) and \ | |
|
341 | ((line.strip() != '') or not end_on_blank_line): | |||
341 | body.append(line) |
|
342 | body.append(line) | |
342 | line = (yield None) |
|
343 | line = (yield None) | |
343 |
|
344 | |||
344 | # Output |
|
345 | # Output | |
345 | magic_name, _, first = first.partition(' ') |
|
346 | magic_name, _, first = first.partition(' ') | |
346 | magic_name = magic_name.lstrip(ESC_MAGIC2) |
|
347 | magic_name = magic_name.lstrip(ESC_MAGIC2) | |
347 | line = tpl % (magic_name, first, u'\n'.join(body)) |
|
348 | line = tpl % (magic_name, first, u'\n'.join(body)) | |
348 |
|
349 | |||
349 |
|
350 | |||
350 | def _strip_prompts(prompt1_re, prompt2_re): |
|
351 | def _strip_prompts(prompt1_re, prompt2_re): | |
351 | """Remove matching input prompts from a block of input.""" |
|
352 | """Remove matching input prompts from a block of input.""" | |
352 | line = '' |
|
353 | line = '' | |
353 | while True: |
|
354 | while True: | |
354 | line = (yield line) |
|
355 | line = (yield line) | |
355 |
|
356 | |||
356 | if line is None: |
|
357 | if line is None: | |
357 | continue |
|
358 | continue | |
358 |
|
359 | |||
359 | m = prompt1_re.match(line) |
|
360 | m = prompt1_re.match(line) | |
360 | if m: |
|
361 | if m: | |
361 | while m: |
|
362 | while m: | |
362 | line = (yield line[len(m.group(0)):]) |
|
363 | line = (yield line[len(m.group(0)):]) | |
363 | if line is None: |
|
364 | if line is None: | |
364 | break |
|
365 | break | |
365 | m = prompt2_re.match(line) |
|
366 | m = prompt2_re.match(line) | |
366 | else: |
|
367 | else: | |
367 | # Prompts not in input - wait for reset |
|
368 | # Prompts not in input - wait for reset | |
368 | while line is not None: |
|
369 | while line is not None: | |
369 | line = (yield line) |
|
370 | line = (yield line) | |
370 |
|
371 | |||
371 | @CoroutineInputTransformer.wrap |
|
372 | @CoroutineInputTransformer.wrap | |
372 | def classic_prompt(): |
|
373 | def classic_prompt(): | |
373 | """Strip the >>>/... prompts of the Python interactive shell.""" |
|
374 | """Strip the >>>/... prompts of the Python interactive shell.""" | |
374 | prompt1_re = re.compile(r'^(>>> )') |
|
375 | prompt1_re = re.compile(r'^(>>> )') | |
375 | prompt2_re = re.compile(r'^(>>> |^\.\.\. )') |
|
376 | prompt2_re = re.compile(r'^(>>> |^\.\.\. )') | |
376 | return _strip_prompts(prompt1_re, prompt2_re) |
|
377 | return _strip_prompts(prompt1_re, prompt2_re) | |
377 |
|
378 | |||
378 | @CoroutineInputTransformer.wrap |
|
379 | @CoroutineInputTransformer.wrap | |
379 | def ipy_prompt(): |
|
380 | def ipy_prompt(): | |
380 | """Strip IPython's In [1]:/...: prompts.""" |
|
381 | """Strip IPython's In [1]:/...: prompts.""" | |
381 | prompt1_re = re.compile(r'^In \[\d+\]: ') |
|
382 | prompt1_re = re.compile(r'^In \[\d+\]: ') | |
382 | prompt2_re = re.compile(r'^(In \[\d+\]: |^\ \ \ \.\.\.+: )') |
|
383 | prompt2_re = re.compile(r'^(In \[\d+\]: |^\ \ \ \.\.\.+: )') | |
383 | return _strip_prompts(prompt1_re, prompt2_re) |
|
384 | return _strip_prompts(prompt1_re, prompt2_re) | |
384 |
|
385 | |||
385 |
|
386 | |||
386 | @CoroutineInputTransformer.wrap |
|
387 | @CoroutineInputTransformer.wrap | |
387 | def leading_indent(): |
|
388 | def leading_indent(): | |
388 | """Remove leading indentation. |
|
389 | """Remove leading indentation. | |
389 |
|
390 | |||
390 | If the first line starts with a spaces or tabs, the same whitespace will be |
|
391 | If the first line starts with a spaces or tabs, the same whitespace will be | |
391 | removed from each following line until it is reset. |
|
392 | removed from each following line until it is reset. | |
392 | """ |
|
393 | """ | |
393 | space_re = re.compile(r'^[ \t]+') |
|
394 | space_re = re.compile(r'^[ \t]+') | |
394 | line = '' |
|
395 | line = '' | |
395 | while True: |
|
396 | while True: | |
396 | line = (yield line) |
|
397 | line = (yield line) | |
397 |
|
398 | |||
398 | if line is None: |
|
399 | if line is None: | |
399 | continue |
|
400 | continue | |
400 |
|
401 | |||
401 | m = space_re.match(line) |
|
402 | m = space_re.match(line) | |
402 | if m: |
|
403 | if m: | |
403 | space = m.group(0) |
|
404 | space = m.group(0) | |
404 | while line is not None: |
|
405 | while line is not None: | |
405 | if line.startswith(space): |
|
406 | if line.startswith(space): | |
406 | line = line[len(space):] |
|
407 | line = line[len(space):] | |
407 | line = (yield line) |
|
408 | line = (yield line) | |
408 | else: |
|
409 | else: | |
409 | # No leading spaces - wait for reset |
|
410 | # No leading spaces - wait for reset | |
410 | while line is not None: |
|
411 | while line is not None: | |
411 | line = (yield line) |
|
412 | line = (yield line) | |
412 |
|
413 | |||
413 |
|
414 | |||
414 | assign_system_re = re.compile(r'(?P<lhs>(\s*)([\w\.]+)((\s*,\s*[\w\.]+)*))' |
|
415 | assign_system_re = re.compile(r'(?P<lhs>(\s*)([\w\.]+)((\s*,\s*[\w\.]+)*))' | |
415 | r'\s*=\s*!\s*(?P<cmd>.*)') |
|
416 | r'\s*=\s*!\s*(?P<cmd>.*)') | |
416 | assign_system_template = '%s = get_ipython().getoutput(%r)' |
|
417 | assign_system_template = '%s = get_ipython().getoutput(%r)' | |
417 | @StatelessInputTransformer.wrap |
|
418 | @StatelessInputTransformer.wrap | |
418 | def assign_from_system(line): |
|
419 | def assign_from_system(line): | |
419 | """Transform assignment from system commands (e.g. files = !ls)""" |
|
420 | """Transform assignment from system commands (e.g. files = !ls)""" | |
420 | m = assign_system_re.match(line) |
|
421 | m = assign_system_re.match(line) | |
421 | if m is None: |
|
422 | if m is None: | |
422 | return line |
|
423 | return line | |
423 |
|
424 | |||
424 | return assign_system_template % m.group('lhs', 'cmd') |
|
425 | return assign_system_template % m.group('lhs', 'cmd') | |
425 |
|
426 | |||
426 | assign_magic_re = re.compile(r'(?P<lhs>(\s*)([\w\.]+)((\s*,\s*[\w\.]+)*))' |
|
427 | assign_magic_re = re.compile(r'(?P<lhs>(\s*)([\w\.]+)((\s*,\s*[\w\.]+)*))' | |
427 | r'\s*=\s*%\s*(?P<cmd>.*)') |
|
428 | r'\s*=\s*%\s*(?P<cmd>.*)') | |
428 | assign_magic_template = '%s = get_ipython().magic(%r)' |
|
429 | assign_magic_template = '%s = get_ipython().magic(%r)' | |
429 | @StatelessInputTransformer.wrap |
|
430 | @StatelessInputTransformer.wrap | |
430 | def assign_from_magic(line): |
|
431 | def assign_from_magic(line): | |
431 | """Transform assignment from magic commands (e.g. a = %who_ls)""" |
|
432 | """Transform assignment from magic commands (e.g. a = %who_ls)""" | |
432 | m = assign_magic_re.match(line) |
|
433 | m = assign_magic_re.match(line) | |
433 | if m is None: |
|
434 | if m is None: | |
434 | return line |
|
435 | return line | |
435 |
|
436 | |||
436 | return assign_magic_template % m.group('lhs', 'cmd') |
|
437 | return assign_magic_template % m.group('lhs', 'cmd') |
@@ -1,576 +1,572 b'' | |||||
1 | # -*- coding: utf-8 -*- |
|
1 | # -*- coding: utf-8 -*- | |
2 | """Tests for the inputsplitter module. |
|
2 | """Tests for the inputsplitter module. | |
3 |
|
3 | |||
4 | Authors |
|
4 | Authors | |
5 | ------- |
|
5 | ------- | |
6 | * Fernando Perez |
|
6 | * Fernando Perez | |
7 | * Robert Kern |
|
7 | * Robert Kern | |
8 | """ |
|
8 | """ | |
9 | #----------------------------------------------------------------------------- |
|
9 | #----------------------------------------------------------------------------- | |
10 | # Copyright (C) 2010-2011 The IPython Development Team |
|
10 | # Copyright (C) 2010-2011 The IPython Development Team | |
11 | # |
|
11 | # | |
12 | # Distributed under the terms of the BSD License. The full license is in |
|
12 | # Distributed under the terms of the BSD License. The full license is in | |
13 | # the file COPYING, distributed as part of this software. |
|
13 | # the file COPYING, distributed as part of this software. | |
14 | #----------------------------------------------------------------------------- |
|
14 | #----------------------------------------------------------------------------- | |
15 |
|
15 | |||
16 | #----------------------------------------------------------------------------- |
|
16 | #----------------------------------------------------------------------------- | |
17 | # Imports |
|
17 | # Imports | |
18 | #----------------------------------------------------------------------------- |
|
18 | #----------------------------------------------------------------------------- | |
19 | # stdlib |
|
19 | # stdlib | |
20 | import unittest |
|
20 | import unittest | |
21 | import sys |
|
21 | import sys | |
22 |
|
22 | |||
23 | # Third party |
|
23 | # Third party | |
24 | import nose.tools as nt |
|
24 | import nose.tools as nt | |
25 |
|
25 | |||
26 | # Our own |
|
26 | # Our own | |
27 | from IPython.core import inputsplitter as isp |
|
27 | from IPython.core import inputsplitter as isp | |
28 | from IPython.core.tests.test_inputtransformer import syntax, syntax_ml |
|
28 | from IPython.core.tests.test_inputtransformer import syntax, syntax_ml | |
29 | from IPython.testing import tools as tt |
|
29 | from IPython.testing import tools as tt | |
30 | from IPython.utils import py3compat |
|
30 | from IPython.utils import py3compat | |
31 |
|
31 | |||
32 | #----------------------------------------------------------------------------- |
|
32 | #----------------------------------------------------------------------------- | |
33 | # Semi-complete examples (also used as tests) |
|
33 | # Semi-complete examples (also used as tests) | |
34 | #----------------------------------------------------------------------------- |
|
34 | #----------------------------------------------------------------------------- | |
35 |
|
35 | |||
36 | # Note: at the bottom, there's a slightly more complete version of this that |
|
36 | # Note: at the bottom, there's a slightly more complete version of this that | |
37 | # can be useful during development of code here. |
|
37 | # can be useful during development of code here. | |
38 |
|
38 | |||
39 | def mini_interactive_loop(input_func): |
|
39 | def mini_interactive_loop(input_func): | |
40 | """Minimal example of the logic of an interactive interpreter loop. |
|
40 | """Minimal example of the logic of an interactive interpreter loop. | |
41 |
|
41 | |||
42 | This serves as an example, and it is used by the test system with a fake |
|
42 | This serves as an example, and it is used by the test system with a fake | |
43 | raw_input that simulates interactive input.""" |
|
43 | raw_input that simulates interactive input.""" | |
44 |
|
44 | |||
45 | from IPython.core.inputsplitter import InputSplitter |
|
45 | from IPython.core.inputsplitter import InputSplitter | |
46 |
|
46 | |||
47 | isp = InputSplitter() |
|
47 | isp = InputSplitter() | |
48 | # In practice, this input loop would be wrapped in an outside loop to read |
|
48 | # In practice, this input loop would be wrapped in an outside loop to read | |
49 | # input indefinitely, until some exit/quit command was issued. Here we |
|
49 | # input indefinitely, until some exit/quit command was issued. Here we | |
50 | # only illustrate the basic inner loop. |
|
50 | # only illustrate the basic inner loop. | |
51 | while isp.push_accepts_more(): |
|
51 | while isp.push_accepts_more(): | |
52 | indent = ' '*isp.indent_spaces |
|
52 | indent = ' '*isp.indent_spaces | |
53 | prompt = '>>> ' + indent |
|
53 | prompt = '>>> ' + indent | |
54 | line = indent + input_func(prompt) |
|
54 | line = indent + input_func(prompt) | |
55 | isp.push(line) |
|
55 | isp.push(line) | |
56 |
|
56 | |||
57 | # Here we just return input so we can use it in a test suite, but a real |
|
57 | # Here we just return input so we can use it in a test suite, but a real | |
58 | # interpreter would instead send it for execution somewhere. |
|
58 | # interpreter would instead send it for execution somewhere. | |
59 | src = isp.source_reset() |
|
59 | src = isp.source_reset() | |
60 | #print 'Input source was:\n', src # dbg |
|
60 | #print 'Input source was:\n', src # dbg | |
61 | return src |
|
61 | return src | |
62 |
|
62 | |||
63 | #----------------------------------------------------------------------------- |
|
63 | #----------------------------------------------------------------------------- | |
64 | # Test utilities, just for local use |
|
64 | # Test utilities, just for local use | |
65 | #----------------------------------------------------------------------------- |
|
65 | #----------------------------------------------------------------------------- | |
66 |
|
66 | |||
67 | def assemble(block): |
|
67 | def assemble(block): | |
68 | """Assemble a block into multi-line sub-blocks.""" |
|
68 | """Assemble a block into multi-line sub-blocks.""" | |
69 | return ['\n'.join(sub_block)+'\n' for sub_block in block] |
|
69 | return ['\n'.join(sub_block)+'\n' for sub_block in block] | |
70 |
|
70 | |||
71 |
|
71 | |||
72 | def pseudo_input(lines): |
|
72 | def pseudo_input(lines): | |
73 | """Return a function that acts like raw_input but feeds the input list.""" |
|
73 | """Return a function that acts like raw_input but feeds the input list.""" | |
74 | ilines = iter(lines) |
|
74 | ilines = iter(lines) | |
75 | def raw_in(prompt): |
|
75 | def raw_in(prompt): | |
76 | try: |
|
76 | try: | |
77 | return next(ilines) |
|
77 | return next(ilines) | |
78 | except StopIteration: |
|
78 | except StopIteration: | |
79 | return '' |
|
79 | return '' | |
80 | return raw_in |
|
80 | return raw_in | |
81 |
|
81 | |||
82 | #----------------------------------------------------------------------------- |
|
82 | #----------------------------------------------------------------------------- | |
83 | # Tests |
|
83 | # Tests | |
84 | #----------------------------------------------------------------------------- |
|
84 | #----------------------------------------------------------------------------- | |
85 | def test_spaces(): |
|
85 | def test_spaces(): | |
86 | tests = [('', 0), |
|
86 | tests = [('', 0), | |
87 | (' ', 1), |
|
87 | (' ', 1), | |
88 | ('\n', 0), |
|
88 | ('\n', 0), | |
89 | (' \n', 1), |
|
89 | (' \n', 1), | |
90 | ('x', 0), |
|
90 | ('x', 0), | |
91 | (' x', 1), |
|
91 | (' x', 1), | |
92 | (' x',2), |
|
92 | (' x',2), | |
93 | (' x',4), |
|
93 | (' x',4), | |
94 | # Note: tabs are counted as a single whitespace! |
|
94 | # Note: tabs are counted as a single whitespace! | |
95 | ('\tx', 1), |
|
95 | ('\tx', 1), | |
96 | ('\t x', 2), |
|
96 | ('\t x', 2), | |
97 | ] |
|
97 | ] | |
98 | tt.check_pairs(isp.num_ini_spaces, tests) |
|
98 | tt.check_pairs(isp.num_ini_spaces, tests) | |
99 |
|
99 | |||
100 |
|
100 | |||
101 | def test_remove_comments(): |
|
101 | def test_remove_comments(): | |
102 | tests = [('text', 'text'), |
|
102 | tests = [('text', 'text'), | |
103 | ('text # comment', 'text '), |
|
103 | ('text # comment', 'text '), | |
104 | ('text # comment\n', 'text \n'), |
|
104 | ('text # comment\n', 'text \n'), | |
105 | ('text # comment \n', 'text \n'), |
|
105 | ('text # comment \n', 'text \n'), | |
106 | ('line # c \nline\n','line \nline\n'), |
|
106 | ('line # c \nline\n','line \nline\n'), | |
107 | ('line # c \nline#c2 \nline\nline #c\n\n', |
|
107 | ('line # c \nline#c2 \nline\nline #c\n\n', | |
108 | 'line \nline\nline\nline \n\n'), |
|
108 | 'line \nline\nline\nline \n\n'), | |
109 | ] |
|
109 | ] | |
110 | tt.check_pairs(isp.remove_comments, tests) |
|
110 | tt.check_pairs(isp.remove_comments, tests) | |
111 |
|
111 | |||
112 |
|
112 | |||
113 | def test_get_input_encoding(): |
|
113 | def test_get_input_encoding(): | |
114 | encoding = isp.get_input_encoding() |
|
114 | encoding = isp.get_input_encoding() | |
115 | nt.assert_true(isinstance(encoding, basestring)) |
|
115 | nt.assert_true(isinstance(encoding, basestring)) | |
116 | # simple-minded check that at least encoding a simple string works with the |
|
116 | # simple-minded check that at least encoding a simple string works with the | |
117 | # encoding we got. |
|
117 | # encoding we got. | |
118 | nt.assert_equal(u'test'.encode(encoding), b'test') |
|
118 | nt.assert_equal(u'test'.encode(encoding), b'test') | |
119 |
|
119 | |||
120 |
|
120 | |||
121 | class NoInputEncodingTestCase(unittest.TestCase): |
|
121 | class NoInputEncodingTestCase(unittest.TestCase): | |
122 | def setUp(self): |
|
122 | def setUp(self): | |
123 | self.old_stdin = sys.stdin |
|
123 | self.old_stdin = sys.stdin | |
124 | class X: pass |
|
124 | class X: pass | |
125 | fake_stdin = X() |
|
125 | fake_stdin = X() | |
126 | sys.stdin = fake_stdin |
|
126 | sys.stdin = fake_stdin | |
127 |
|
127 | |||
128 | def test(self): |
|
128 | def test(self): | |
129 | # Verify that if sys.stdin has no 'encoding' attribute we do the right |
|
129 | # Verify that if sys.stdin has no 'encoding' attribute we do the right | |
130 | # thing |
|
130 | # thing | |
131 | enc = isp.get_input_encoding() |
|
131 | enc = isp.get_input_encoding() | |
132 | self.assertEqual(enc, 'ascii') |
|
132 | self.assertEqual(enc, 'ascii') | |
133 |
|
133 | |||
134 | def tearDown(self): |
|
134 | def tearDown(self): | |
135 | sys.stdin = self.old_stdin |
|
135 | sys.stdin = self.old_stdin | |
136 |
|
136 | |||
137 |
|
137 | |||
138 | class InputSplitterTestCase(unittest.TestCase): |
|
138 | class InputSplitterTestCase(unittest.TestCase): | |
139 | def setUp(self): |
|
139 | def setUp(self): | |
140 | self.isp = isp.InputSplitter() |
|
140 | self.isp = isp.InputSplitter() | |
141 |
|
141 | |||
142 | def test_reset(self): |
|
142 | def test_reset(self): | |
143 | isp = self.isp |
|
143 | isp = self.isp | |
144 | isp.push('x=1') |
|
144 | isp.push('x=1') | |
145 | isp.reset() |
|
145 | isp.reset() | |
146 | self.assertEqual(isp._buffer, []) |
|
146 | self.assertEqual(isp._buffer, []) | |
147 | self.assertEqual(isp.indent_spaces, 0) |
|
147 | self.assertEqual(isp.indent_spaces, 0) | |
148 | self.assertEqual(isp.source, '') |
|
148 | self.assertEqual(isp.source, '') | |
149 | self.assertEqual(isp.code, None) |
|
149 | self.assertEqual(isp.code, None) | |
150 | self.assertEqual(isp._is_complete, False) |
|
150 | self.assertEqual(isp._is_complete, False) | |
151 |
|
151 | |||
152 | def test_source(self): |
|
152 | def test_source(self): | |
153 | self.isp._store('1') |
|
153 | self.isp._store('1') | |
154 | self.isp._store('2') |
|
154 | self.isp._store('2') | |
155 | self.assertEqual(self.isp.source, '1\n2\n') |
|
155 | self.assertEqual(self.isp.source, '1\n2\n') | |
156 | self.assertTrue(len(self.isp._buffer)>0) |
|
156 | self.assertTrue(len(self.isp._buffer)>0) | |
157 | self.assertEqual(self.isp.source_reset(), '1\n2\n') |
|
157 | self.assertEqual(self.isp.source_reset(), '1\n2\n') | |
158 | self.assertEqual(self.isp._buffer, []) |
|
158 | self.assertEqual(self.isp._buffer, []) | |
159 | self.assertEqual(self.isp.source, '') |
|
159 | self.assertEqual(self.isp.source, '') | |
160 |
|
160 | |||
161 | def test_indent(self): |
|
161 | def test_indent(self): | |
162 | isp = self.isp # shorthand |
|
162 | isp = self.isp # shorthand | |
163 | isp.push('x=1') |
|
163 | isp.push('x=1') | |
164 | self.assertEqual(isp.indent_spaces, 0) |
|
164 | self.assertEqual(isp.indent_spaces, 0) | |
165 | isp.push('if 1:\n x=1') |
|
165 | isp.push('if 1:\n x=1') | |
166 | self.assertEqual(isp.indent_spaces, 4) |
|
166 | self.assertEqual(isp.indent_spaces, 4) | |
167 | isp.push('y=2\n') |
|
167 | isp.push('y=2\n') | |
168 | self.assertEqual(isp.indent_spaces, 0) |
|
168 | self.assertEqual(isp.indent_spaces, 0) | |
169 |
|
169 | |||
170 | def test_indent2(self): |
|
170 | def test_indent2(self): | |
171 | isp = self.isp |
|
171 | isp = self.isp | |
172 | isp.push('if 1:') |
|
172 | isp.push('if 1:') | |
173 | self.assertEqual(isp.indent_spaces, 4) |
|
173 | self.assertEqual(isp.indent_spaces, 4) | |
174 | isp.push(' x=1') |
|
174 | isp.push(' x=1') | |
175 | self.assertEqual(isp.indent_spaces, 4) |
|
175 | self.assertEqual(isp.indent_spaces, 4) | |
176 | # Blank lines shouldn't change the indent level |
|
176 | # Blank lines shouldn't change the indent level | |
177 | isp.push(' '*2) |
|
177 | isp.push(' '*2) | |
178 | self.assertEqual(isp.indent_spaces, 4) |
|
178 | self.assertEqual(isp.indent_spaces, 4) | |
179 |
|
179 | |||
180 | def test_indent3(self): |
|
180 | def test_indent3(self): | |
181 | isp = self.isp |
|
181 | isp = self.isp | |
182 | # When a multiline statement contains parens or multiline strings, we |
|
182 | # When a multiline statement contains parens or multiline strings, we | |
183 | # shouldn't get confused. |
|
183 | # shouldn't get confused. | |
184 | isp.push("if 1:") |
|
184 | isp.push("if 1:") | |
185 | isp.push(" x = (1+\n 2)") |
|
185 | isp.push(" x = (1+\n 2)") | |
186 | self.assertEqual(isp.indent_spaces, 4) |
|
186 | self.assertEqual(isp.indent_spaces, 4) | |
187 |
|
187 | |||
188 | def test_indent4(self): |
|
188 | def test_indent4(self): | |
189 | isp = self.isp |
|
189 | isp = self.isp | |
190 | # whitespace after ':' should not screw up indent level |
|
190 | # whitespace after ':' should not screw up indent level | |
191 | isp.push('if 1: \n x=1') |
|
191 | isp.push('if 1: \n x=1') | |
192 | self.assertEqual(isp.indent_spaces, 4) |
|
192 | self.assertEqual(isp.indent_spaces, 4) | |
193 | isp.push('y=2\n') |
|
193 | isp.push('y=2\n') | |
194 | self.assertEqual(isp.indent_spaces, 0) |
|
194 | self.assertEqual(isp.indent_spaces, 0) | |
195 | isp.push('if 1:\t\n x=1') |
|
195 | isp.push('if 1:\t\n x=1') | |
196 | self.assertEqual(isp.indent_spaces, 4) |
|
196 | self.assertEqual(isp.indent_spaces, 4) | |
197 | isp.push('y=2\n') |
|
197 | isp.push('y=2\n') | |
198 | self.assertEqual(isp.indent_spaces, 0) |
|
198 | self.assertEqual(isp.indent_spaces, 0) | |
199 |
|
199 | |||
200 | def test_dedent_pass(self): |
|
200 | def test_dedent_pass(self): | |
201 | isp = self.isp # shorthand |
|
201 | isp = self.isp # shorthand | |
202 | # should NOT cause dedent |
|
202 | # should NOT cause dedent | |
203 | isp.push('if 1:\n passes = 5') |
|
203 | isp.push('if 1:\n passes = 5') | |
204 | self.assertEqual(isp.indent_spaces, 4) |
|
204 | self.assertEqual(isp.indent_spaces, 4) | |
205 | isp.push('if 1:\n pass') |
|
205 | isp.push('if 1:\n pass') | |
206 | self.assertEqual(isp.indent_spaces, 0) |
|
206 | self.assertEqual(isp.indent_spaces, 0) | |
207 | isp.push('if 1:\n pass ') |
|
207 | isp.push('if 1:\n pass ') | |
208 | self.assertEqual(isp.indent_spaces, 0) |
|
208 | self.assertEqual(isp.indent_spaces, 0) | |
209 |
|
209 | |||
210 | def test_dedent_break(self): |
|
210 | def test_dedent_break(self): | |
211 | isp = self.isp # shorthand |
|
211 | isp = self.isp # shorthand | |
212 | # should NOT cause dedent |
|
212 | # should NOT cause dedent | |
213 | isp.push('while 1:\n breaks = 5') |
|
213 | isp.push('while 1:\n breaks = 5') | |
214 | self.assertEqual(isp.indent_spaces, 4) |
|
214 | self.assertEqual(isp.indent_spaces, 4) | |
215 | isp.push('while 1:\n break') |
|
215 | isp.push('while 1:\n break') | |
216 | self.assertEqual(isp.indent_spaces, 0) |
|
216 | self.assertEqual(isp.indent_spaces, 0) | |
217 | isp.push('while 1:\n break ') |
|
217 | isp.push('while 1:\n break ') | |
218 | self.assertEqual(isp.indent_spaces, 0) |
|
218 | self.assertEqual(isp.indent_spaces, 0) | |
219 |
|
219 | |||
220 | def test_dedent_continue(self): |
|
220 | def test_dedent_continue(self): | |
221 | isp = self.isp # shorthand |
|
221 | isp = self.isp # shorthand | |
222 | # should NOT cause dedent |
|
222 | # should NOT cause dedent | |
223 | isp.push('while 1:\n continues = 5') |
|
223 | isp.push('while 1:\n continues = 5') | |
224 | self.assertEqual(isp.indent_spaces, 4) |
|
224 | self.assertEqual(isp.indent_spaces, 4) | |
225 | isp.push('while 1:\n continue') |
|
225 | isp.push('while 1:\n continue') | |
226 | self.assertEqual(isp.indent_spaces, 0) |
|
226 | self.assertEqual(isp.indent_spaces, 0) | |
227 | isp.push('while 1:\n continue ') |
|
227 | isp.push('while 1:\n continue ') | |
228 | self.assertEqual(isp.indent_spaces, 0) |
|
228 | self.assertEqual(isp.indent_spaces, 0) | |
229 |
|
229 | |||
230 | def test_dedent_raise(self): |
|
230 | def test_dedent_raise(self): | |
231 | isp = self.isp # shorthand |
|
231 | isp = self.isp # shorthand | |
232 | # should NOT cause dedent |
|
232 | # should NOT cause dedent | |
233 | isp.push('if 1:\n raised = 4') |
|
233 | isp.push('if 1:\n raised = 4') | |
234 | self.assertEqual(isp.indent_spaces, 4) |
|
234 | self.assertEqual(isp.indent_spaces, 4) | |
235 | isp.push('if 1:\n raise TypeError()') |
|
235 | isp.push('if 1:\n raise TypeError()') | |
236 | self.assertEqual(isp.indent_spaces, 0) |
|
236 | self.assertEqual(isp.indent_spaces, 0) | |
237 | isp.push('if 1:\n raise') |
|
237 | isp.push('if 1:\n raise') | |
238 | self.assertEqual(isp.indent_spaces, 0) |
|
238 | self.assertEqual(isp.indent_spaces, 0) | |
239 | isp.push('if 1:\n raise ') |
|
239 | isp.push('if 1:\n raise ') | |
240 | self.assertEqual(isp.indent_spaces, 0) |
|
240 | self.assertEqual(isp.indent_spaces, 0) | |
241 |
|
241 | |||
242 | def test_dedent_return(self): |
|
242 | def test_dedent_return(self): | |
243 | isp = self.isp # shorthand |
|
243 | isp = self.isp # shorthand | |
244 | # should NOT cause dedent |
|
244 | # should NOT cause dedent | |
245 | isp.push('if 1:\n returning = 4') |
|
245 | isp.push('if 1:\n returning = 4') | |
246 | self.assertEqual(isp.indent_spaces, 4) |
|
246 | self.assertEqual(isp.indent_spaces, 4) | |
247 | isp.push('if 1:\n return 5 + 493') |
|
247 | isp.push('if 1:\n return 5 + 493') | |
248 | self.assertEqual(isp.indent_spaces, 0) |
|
248 | self.assertEqual(isp.indent_spaces, 0) | |
249 | isp.push('if 1:\n return') |
|
249 | isp.push('if 1:\n return') | |
250 | self.assertEqual(isp.indent_spaces, 0) |
|
250 | self.assertEqual(isp.indent_spaces, 0) | |
251 | isp.push('if 1:\n return ') |
|
251 | isp.push('if 1:\n return ') | |
252 | self.assertEqual(isp.indent_spaces, 0) |
|
252 | self.assertEqual(isp.indent_spaces, 0) | |
253 | isp.push('if 1:\n return(0)') |
|
253 | isp.push('if 1:\n return(0)') | |
254 | self.assertEqual(isp.indent_spaces, 0) |
|
254 | self.assertEqual(isp.indent_spaces, 0) | |
255 |
|
255 | |||
256 | def test_push(self): |
|
256 | def test_push(self): | |
257 | isp = self.isp |
|
257 | isp = self.isp | |
258 | self.assertTrue(isp.push('x=1')) |
|
258 | self.assertTrue(isp.push('x=1')) | |
259 |
|
259 | |||
260 | def test_push2(self): |
|
260 | def test_push2(self): | |
261 | isp = self.isp |
|
261 | isp = self.isp | |
262 | self.assertFalse(isp.push('if 1:')) |
|
262 | self.assertFalse(isp.push('if 1:')) | |
263 | for line in [' x=1', '# a comment', ' y=2']: |
|
263 | for line in [' x=1', '# a comment', ' y=2']: | |
264 | print(line) |
|
264 | print(line) | |
265 | self.assertTrue(isp.push(line)) |
|
265 | self.assertTrue(isp.push(line)) | |
266 |
|
266 | |||
267 | def test_push3(self): |
|
267 | def test_push3(self): | |
268 | isp = self.isp |
|
268 | isp = self.isp | |
269 | isp.push('if True:') |
|
269 | isp.push('if True:') | |
270 | isp.push(' a = 1') |
|
270 | isp.push(' a = 1') | |
271 | self.assertFalse(isp.push('b = [1,')) |
|
271 | self.assertFalse(isp.push('b = [1,')) | |
272 |
|
272 | |||
273 | def test_push_accepts_more(self): |
|
273 | def test_push_accepts_more(self): | |
274 | isp = self.isp |
|
274 | isp = self.isp | |
275 | isp.push('x=1') |
|
275 | isp.push('x=1') | |
276 | self.assertFalse(isp.push_accepts_more()) |
|
276 | self.assertFalse(isp.push_accepts_more()) | |
277 |
|
277 | |||
278 | def test_push_accepts_more2(self): |
|
278 | def test_push_accepts_more2(self): | |
279 | isp = self.isp |
|
279 | isp = self.isp | |
280 | isp.push('if 1:') |
|
280 | isp.push('if 1:') | |
281 | self.assertTrue(isp.push_accepts_more()) |
|
281 | self.assertTrue(isp.push_accepts_more()) | |
282 | isp.push(' x=1') |
|
282 | isp.push(' x=1') | |
283 | self.assertTrue(isp.push_accepts_more()) |
|
283 | self.assertTrue(isp.push_accepts_more()) | |
284 | isp.push('') |
|
284 | isp.push('') | |
285 | self.assertFalse(isp.push_accepts_more()) |
|
285 | self.assertFalse(isp.push_accepts_more()) | |
286 |
|
286 | |||
287 | def test_push_accepts_more3(self): |
|
287 | def test_push_accepts_more3(self): | |
288 | isp = self.isp |
|
288 | isp = self.isp | |
289 | isp.push("x = (2+\n3)") |
|
289 | isp.push("x = (2+\n3)") | |
290 | self.assertFalse(isp.push_accepts_more()) |
|
290 | self.assertFalse(isp.push_accepts_more()) | |
291 |
|
291 | |||
292 | def test_push_accepts_more4(self): |
|
292 | def test_push_accepts_more4(self): | |
293 | isp = self.isp |
|
293 | isp = self.isp | |
294 | # When a multiline statement contains parens or multiline strings, we |
|
294 | # When a multiline statement contains parens or multiline strings, we | |
295 | # shouldn't get confused. |
|
295 | # shouldn't get confused. | |
296 | # FIXME: we should be able to better handle de-dents in statements like |
|
296 | # FIXME: we should be able to better handle de-dents in statements like | |
297 | # multiline strings and multiline expressions (continued with \ or |
|
297 | # multiline strings and multiline expressions (continued with \ or | |
298 | # parens). Right now we aren't handling the indentation tracking quite |
|
298 | # parens). Right now we aren't handling the indentation tracking quite | |
299 | # correctly with this, though in practice it may not be too much of a |
|
299 | # correctly with this, though in practice it may not be too much of a | |
300 | # problem. We'll need to see. |
|
300 | # problem. We'll need to see. | |
301 | isp.push("if 1:") |
|
301 | isp.push("if 1:") | |
302 | isp.push(" x = (2+") |
|
302 | isp.push(" x = (2+") | |
303 | isp.push(" 3)") |
|
303 | isp.push(" 3)") | |
304 | self.assertTrue(isp.push_accepts_more()) |
|
304 | self.assertTrue(isp.push_accepts_more()) | |
305 | isp.push(" y = 3") |
|
305 | isp.push(" y = 3") | |
306 | self.assertTrue(isp.push_accepts_more()) |
|
306 | self.assertTrue(isp.push_accepts_more()) | |
307 | isp.push('') |
|
307 | isp.push('') | |
308 | self.assertFalse(isp.push_accepts_more()) |
|
308 | self.assertFalse(isp.push_accepts_more()) | |
309 |
|
309 | |||
310 | def test_push_accepts_more5(self): |
|
310 | def test_push_accepts_more5(self): | |
311 | isp = self.isp |
|
311 | isp = self.isp | |
312 | isp.push('try:') |
|
312 | isp.push('try:') | |
313 | isp.push(' a = 5') |
|
313 | isp.push(' a = 5') | |
314 | isp.push('except:') |
|
314 | isp.push('except:') | |
315 | isp.push(' raise') |
|
315 | isp.push(' raise') | |
316 | # We want to be able to add an else: block at this point, so it should |
|
316 | # We want to be able to add an else: block at this point, so it should | |
317 | # wait for a blank line. |
|
317 | # wait for a blank line. | |
318 | self.assertTrue(isp.push_accepts_more()) |
|
318 | self.assertTrue(isp.push_accepts_more()) | |
319 |
|
319 | |||
320 | def test_continuation(self): |
|
320 | def test_continuation(self): | |
321 | isp = self.isp |
|
321 | isp = self.isp | |
322 | isp.push("import os, \\") |
|
322 | isp.push("import os, \\") | |
323 | self.assertTrue(isp.push_accepts_more()) |
|
323 | self.assertTrue(isp.push_accepts_more()) | |
324 | isp.push("sys") |
|
324 | isp.push("sys") | |
325 | self.assertFalse(isp.push_accepts_more()) |
|
325 | self.assertFalse(isp.push_accepts_more()) | |
326 |
|
326 | |||
327 | def test_syntax_error(self): |
|
327 | def test_syntax_error(self): | |
328 | isp = self.isp |
|
328 | isp = self.isp | |
329 | # Syntax errors immediately produce a 'ready' block, so the invalid |
|
329 | # Syntax errors immediately produce a 'ready' block, so the invalid | |
330 | # Python can be sent to the kernel for evaluation with possible ipython |
|
330 | # Python can be sent to the kernel for evaluation with possible ipython | |
331 | # special-syntax conversion. |
|
331 | # special-syntax conversion. | |
332 | isp.push('run foo') |
|
332 | isp.push('run foo') | |
333 | self.assertFalse(isp.push_accepts_more()) |
|
333 | self.assertFalse(isp.push_accepts_more()) | |
334 |
|
334 | |||
335 | def test_unicode(self): |
|
335 | def test_unicode(self): | |
336 | self.isp.push(u"PΓ©rez") |
|
336 | self.isp.push(u"PΓ©rez") | |
337 | self.isp.push(u'\xc3\xa9') |
|
337 | self.isp.push(u'\xc3\xa9') | |
338 | self.isp.push(u"u'\xc3\xa9'") |
|
338 | self.isp.push(u"u'\xc3\xa9'") | |
339 |
|
339 | |||
340 | def test_line_continuation(self): |
|
340 | def test_line_continuation(self): | |
341 | """ Test issue #2108.""" |
|
341 | """ Test issue #2108.""" | |
342 | isp = self.isp |
|
342 | isp = self.isp | |
343 | # A blank line after a line continuation should not accept more |
|
343 | # A blank line after a line continuation should not accept more | |
344 | isp.push("1 \\\n\n") |
|
344 | isp.push("1 \\\n\n") | |
345 | self.assertFalse(isp.push_accepts_more()) |
|
345 | self.assertFalse(isp.push_accepts_more()) | |
346 | # Whitespace after a \ is a SyntaxError. The only way to test that |
|
346 | # Whitespace after a \ is a SyntaxError. The only way to test that | |
347 | # here is to test that push doesn't accept more (as with |
|
347 | # here is to test that push doesn't accept more (as with | |
348 | # test_syntax_error() above). |
|
348 | # test_syntax_error() above). | |
349 | isp.push(r"1 \ ") |
|
349 | isp.push(r"1 \ ") | |
350 | self.assertFalse(isp.push_accepts_more()) |
|
350 | self.assertFalse(isp.push_accepts_more()) | |
351 | # Even if the line is continuable (c.f. the regular Python |
|
351 | # Even if the line is continuable (c.f. the regular Python | |
352 | # interpreter) |
|
352 | # interpreter) | |
353 | isp.push(r"(1 \ ") |
|
353 | isp.push(r"(1 \ ") | |
354 | self.assertFalse(isp.push_accepts_more()) |
|
354 | self.assertFalse(isp.push_accepts_more()) | |
355 |
|
355 | |||
356 | class InteractiveLoopTestCase(unittest.TestCase): |
|
356 | class InteractiveLoopTestCase(unittest.TestCase): | |
357 | """Tests for an interactive loop like a python shell. |
|
357 | """Tests for an interactive loop like a python shell. | |
358 | """ |
|
358 | """ | |
359 | def check_ns(self, lines, ns): |
|
359 | def check_ns(self, lines, ns): | |
360 | """Validate that the given input lines produce the resulting namespace. |
|
360 | """Validate that the given input lines produce the resulting namespace. | |
361 |
|
361 | |||
362 | Note: the input lines are given exactly as they would be typed in an |
|
362 | Note: the input lines are given exactly as they would be typed in an | |
363 | auto-indenting environment, as mini_interactive_loop above already does |
|
363 | auto-indenting environment, as mini_interactive_loop above already does | |
364 | auto-indenting and prepends spaces to the input. |
|
364 | auto-indenting and prepends spaces to the input. | |
365 | """ |
|
365 | """ | |
366 | src = mini_interactive_loop(pseudo_input(lines)) |
|
366 | src = mini_interactive_loop(pseudo_input(lines)) | |
367 | test_ns = {} |
|
367 | test_ns = {} | |
368 | exec src in test_ns |
|
368 | exec src in test_ns | |
369 | # We can't check that the provided ns is identical to the test_ns, |
|
369 | # We can't check that the provided ns is identical to the test_ns, | |
370 | # because Python fills test_ns with extra keys (copyright, etc). But |
|
370 | # because Python fills test_ns with extra keys (copyright, etc). But | |
371 | # we can check that the given dict is *contained* in test_ns |
|
371 | # we can check that the given dict is *contained* in test_ns | |
372 | for k,v in ns.iteritems(): |
|
372 | for k,v in ns.iteritems(): | |
373 | self.assertEqual(test_ns[k], v) |
|
373 | self.assertEqual(test_ns[k], v) | |
374 |
|
374 | |||
375 | def test_simple(self): |
|
375 | def test_simple(self): | |
376 | self.check_ns(['x=1'], dict(x=1)) |
|
376 | self.check_ns(['x=1'], dict(x=1)) | |
377 |
|
377 | |||
378 | def test_simple2(self): |
|
378 | def test_simple2(self): | |
379 | self.check_ns(['if 1:', 'x=2'], dict(x=2)) |
|
379 | self.check_ns(['if 1:', 'x=2'], dict(x=2)) | |
380 |
|
380 | |||
381 | def test_xy(self): |
|
381 | def test_xy(self): | |
382 | self.check_ns(['x=1; y=2'], dict(x=1, y=2)) |
|
382 | self.check_ns(['x=1; y=2'], dict(x=1, y=2)) | |
383 |
|
383 | |||
384 | def test_abc(self): |
|
384 | def test_abc(self): | |
385 | self.check_ns(['if 1:','a=1','b=2','c=3'], dict(a=1, b=2, c=3)) |
|
385 | self.check_ns(['if 1:','a=1','b=2','c=3'], dict(a=1, b=2, c=3)) | |
386 |
|
386 | |||
387 | def test_multi(self): |
|
387 | def test_multi(self): | |
388 | self.check_ns(['x =(1+','1+','2)'], dict(x=4)) |
|
388 | self.check_ns(['x =(1+','1+','2)'], dict(x=4)) | |
389 |
|
389 | |||
390 |
|
390 | |||
391 | def test_LineInfo(): |
|
391 | def test_LineInfo(): | |
392 | """Simple test for LineInfo construction and str()""" |
|
392 | """Simple test for LineInfo construction and str()""" | |
393 | linfo = isp.LineInfo(' %cd /home') |
|
393 | linfo = isp.LineInfo(' %cd /home') | |
394 | nt.assert_equal(str(linfo), 'LineInfo [ |%|cd|/home]') |
|
394 | nt.assert_equal(str(linfo), 'LineInfo [ |%|cd|/home]') | |
395 |
|
395 | |||
396 |
|
396 | |||
397 |
|
397 | |||
398 |
|
398 | |||
399 | class IPythonInputTestCase(InputSplitterTestCase): |
|
399 | class IPythonInputTestCase(InputSplitterTestCase): | |
400 | """By just creating a new class whose .isp is a different instance, we |
|
400 | """By just creating a new class whose .isp is a different instance, we | |
401 | re-run the same test battery on the new input splitter. |
|
401 | re-run the same test battery on the new input splitter. | |
402 |
|
402 | |||
403 | In addition, this runs the tests over the syntax and syntax_ml dicts that |
|
403 | In addition, this runs the tests over the syntax and syntax_ml dicts that | |
404 | were tested by individual functions, as part of the OO interface. |
|
404 | were tested by individual functions, as part of the OO interface. | |
405 |
|
405 | |||
406 | It also makes some checks on the raw buffer storage. |
|
406 | It also makes some checks on the raw buffer storage. | |
407 | """ |
|
407 | """ | |
408 |
|
408 | |||
409 | def setUp(self): |
|
409 | def setUp(self): | |
410 | self.isp = isp.IPythonInputSplitter() |
|
410 | self.isp = isp.IPythonInputSplitter() | |
411 |
|
411 | |||
412 | def test_syntax(self): |
|
412 | def test_syntax(self): | |
413 | """Call all single-line syntax tests from the main object""" |
|
413 | """Call all single-line syntax tests from the main object""" | |
414 | isp = self.isp |
|
414 | isp = self.isp | |
415 | for example in syntax.itervalues(): |
|
415 | for example in syntax.itervalues(): | |
416 | for raw, out_t in example: |
|
416 | for raw, out_t in example: | |
417 | if raw.startswith(' '): |
|
417 | if raw.startswith(' '): | |
418 | continue |
|
418 | continue | |
419 |
|
419 | |||
420 | isp.push(raw+'\n') |
|
420 | isp.push(raw+'\n') | |
421 | out, out_raw = isp.source_raw_reset() |
|
421 | out, out_raw = isp.source_raw_reset() | |
422 | self.assertEqual(out.rstrip(), out_t, |
|
422 | self.assertEqual(out.rstrip(), out_t, | |
423 | tt.pair_fail_msg.format("inputsplitter",raw, out_t, out)) |
|
423 | tt.pair_fail_msg.format("inputsplitter",raw, out_t, out)) | |
424 | self.assertEqual(out_raw.rstrip(), raw.rstrip()) |
|
424 | self.assertEqual(out_raw.rstrip(), raw.rstrip()) | |
425 |
|
425 | |||
426 | def test_syntax_multiline(self): |
|
426 | def test_syntax_multiline(self): | |
427 | isp = self.isp |
|
427 | isp = self.isp | |
428 | for example in syntax_ml.itervalues(): |
|
428 | for example in syntax_ml.itervalues(): | |
429 | for line_pairs in example: |
|
429 | for line_pairs in example: | |
430 | out_t_parts = [] |
|
430 | out_t_parts = [] | |
431 | raw_parts = [] |
|
431 | raw_parts = [] | |
432 | for lraw, out_t_part in line_pairs: |
|
432 | for lraw, out_t_part in line_pairs: | |
433 | if out_t_part is not None: |
|
433 | if out_t_part is not None: | |
434 | out_t_parts.append(out_t_part) |
|
434 | out_t_parts.append(out_t_part) | |
435 |
|
435 | |||
436 | if lraw is not None: |
|
436 | if lraw is not None: | |
437 | isp.push(lraw) |
|
437 | isp.push(lraw) | |
438 | raw_parts.append(lraw) |
|
438 | raw_parts.append(lraw) | |
439 |
|
439 | |||
440 | out, out_raw = isp.source_raw_reset() |
|
440 | out, out_raw = isp.source_raw_reset() | |
441 | out_t = '\n'.join(out_t_parts).rstrip() |
|
441 | out_t = '\n'.join(out_t_parts).rstrip() | |
442 | raw = '\n'.join(raw_parts).rstrip() |
|
442 | raw = '\n'.join(raw_parts).rstrip() | |
443 | self.assertEqual(out.rstrip(), out_t) |
|
443 | self.assertEqual(out.rstrip(), out_t) | |
444 | self.assertEqual(out_raw.rstrip(), raw) |
|
444 | self.assertEqual(out_raw.rstrip(), raw) | |
445 |
|
445 | |||
446 | def test_syntax_multiline_cell(self): |
|
446 | def test_syntax_multiline_cell(self): | |
447 | isp = self.isp |
|
447 | isp = self.isp | |
448 | for example in syntax_ml.itervalues(): |
|
448 | for example in syntax_ml.itervalues(): | |
449 |
|
449 | |||
450 | out_t_parts = [] |
|
450 | out_t_parts = [] | |
451 | for line_pairs in example: |
|
451 | for line_pairs in example: | |
452 | raw = '\n'.join(r for r, _ in line_pairs if r is not None) |
|
452 | raw = '\n'.join(r for r, _ in line_pairs if r is not None) | |
453 | out_t = '\n'.join(t for _,t in line_pairs if t is not None) |
|
453 | out_t = '\n'.join(t for _,t in line_pairs if t is not None) | |
454 | out = isp.transform_cell(raw) |
|
454 | out = isp.transform_cell(raw) | |
455 | # Match ignoring trailing whitespace |
|
455 | # Match ignoring trailing whitespace | |
456 | self.assertEqual(out.rstrip(), out_t.rstrip()) |
|
456 | self.assertEqual(out.rstrip(), out_t.rstrip()) | |
457 |
|
457 | |||
458 | #----------------------------------------------------------------------------- |
|
458 | #----------------------------------------------------------------------------- | |
459 | # Main - use as a script, mostly for developer experiments |
|
459 | # Main - use as a script, mostly for developer experiments | |
460 | #----------------------------------------------------------------------------- |
|
460 | #----------------------------------------------------------------------------- | |
461 |
|
461 | |||
462 | if __name__ == '__main__': |
|
462 | if __name__ == '__main__': | |
463 | # A simple demo for interactive experimentation. This code will not get |
|
463 | # A simple demo for interactive experimentation. This code will not get | |
464 | # picked up by any test suite. |
|
464 | # picked up by any test suite. | |
465 | from IPython.core.inputsplitter import InputSplitter, IPythonInputSplitter |
|
465 | from IPython.core.inputsplitter import InputSplitter, IPythonInputSplitter | |
466 |
|
466 | |||
467 | # configure here the syntax to use, prompt and whether to autoindent |
|
467 | # configure here the syntax to use, prompt and whether to autoindent | |
468 | #isp, start_prompt = InputSplitter(), '>>> ' |
|
468 | #isp, start_prompt = InputSplitter(), '>>> ' | |
469 | isp, start_prompt = IPythonInputSplitter(), 'In> ' |
|
469 | isp, start_prompt = IPythonInputSplitter(), 'In> ' | |
470 |
|
470 | |||
471 | autoindent = True |
|
471 | autoindent = True | |
472 | #autoindent = False |
|
472 | #autoindent = False | |
473 |
|
473 | |||
474 | try: |
|
474 | try: | |
475 | while True: |
|
475 | while True: | |
476 | prompt = start_prompt |
|
476 | prompt = start_prompt | |
477 | while isp.push_accepts_more(): |
|
477 | while isp.push_accepts_more(): | |
478 | indent = ' '*isp.indent_spaces |
|
478 | indent = ' '*isp.indent_spaces | |
479 | if autoindent: |
|
479 | if autoindent: | |
480 | line = indent + raw_input(prompt+indent) |
|
480 | line = indent + raw_input(prompt+indent) | |
481 | else: |
|
481 | else: | |
482 | line = raw_input(prompt) |
|
482 | line = raw_input(prompt) | |
483 | isp.push(line) |
|
483 | isp.push(line) | |
484 | prompt = '... ' |
|
484 | prompt = '... ' | |
485 |
|
485 | |||
486 | # Here we just return input so we can use it in a test suite, but a |
|
486 | # Here we just return input so we can use it in a test suite, but a | |
487 | # real interpreter would instead send it for execution somewhere. |
|
487 | # real interpreter would instead send it for execution somewhere. | |
488 | #src = isp.source; raise EOFError # dbg |
|
488 | #src = isp.source; raise EOFError # dbg | |
489 | src, raw = isp.source_raw_reset() |
|
489 | src, raw = isp.source_raw_reset() | |
490 | print 'Input source was:\n', src |
|
490 | print 'Input source was:\n', src | |
491 | print 'Raw source was:\n', raw |
|
491 | print 'Raw source was:\n', raw | |
492 | except EOFError: |
|
492 | except EOFError: | |
493 | print 'Bye' |
|
493 | print 'Bye' | |
494 |
|
494 | |||
495 | # Tests for cell magics support |
|
495 | # Tests for cell magics support | |
496 |
|
496 | |||
497 | def test_last_blank(): |
|
497 | def test_last_blank(): | |
498 | nt.assert_false(isp.last_blank('')) |
|
498 | nt.assert_false(isp.last_blank('')) | |
499 | nt.assert_false(isp.last_blank('abc')) |
|
499 | nt.assert_false(isp.last_blank('abc')) | |
500 | nt.assert_false(isp.last_blank('abc\n')) |
|
500 | nt.assert_false(isp.last_blank('abc\n')) | |
501 | nt.assert_false(isp.last_blank('abc\na')) |
|
501 | nt.assert_false(isp.last_blank('abc\na')) | |
502 |
|
502 | |||
503 | nt.assert_true(isp.last_blank('\n')) |
|
503 | nt.assert_true(isp.last_blank('\n')) | |
504 | nt.assert_true(isp.last_blank('\n ')) |
|
504 | nt.assert_true(isp.last_blank('\n ')) | |
505 | nt.assert_true(isp.last_blank('abc\n ')) |
|
505 | nt.assert_true(isp.last_blank('abc\n ')) | |
506 | nt.assert_true(isp.last_blank('abc\n\n')) |
|
506 | nt.assert_true(isp.last_blank('abc\n\n')) | |
507 | nt.assert_true(isp.last_blank('abc\nd\n\n')) |
|
507 | nt.assert_true(isp.last_blank('abc\nd\n\n')) | |
508 | nt.assert_true(isp.last_blank('abc\nd\ne\n\n')) |
|
508 | nt.assert_true(isp.last_blank('abc\nd\ne\n\n')) | |
509 | nt.assert_true(isp.last_blank('abc \n \n \n\n')) |
|
509 | nt.assert_true(isp.last_blank('abc \n \n \n\n')) | |
510 |
|
510 | |||
511 |
|
511 | |||
512 | def test_last_two_blanks(): |
|
512 | def test_last_two_blanks(): | |
513 | nt.assert_false(isp.last_two_blanks('')) |
|
513 | nt.assert_false(isp.last_two_blanks('')) | |
514 | nt.assert_false(isp.last_two_blanks('abc')) |
|
514 | nt.assert_false(isp.last_two_blanks('abc')) | |
515 | nt.assert_false(isp.last_two_blanks('abc\n')) |
|
515 | nt.assert_false(isp.last_two_blanks('abc\n')) | |
516 | nt.assert_false(isp.last_two_blanks('abc\n\na')) |
|
516 | nt.assert_false(isp.last_two_blanks('abc\n\na')) | |
517 | nt.assert_false(isp.last_two_blanks('abc\n \n')) |
|
517 | nt.assert_false(isp.last_two_blanks('abc\n \n')) | |
518 | nt.assert_false(isp.last_two_blanks('abc\n\n')) |
|
518 | nt.assert_false(isp.last_two_blanks('abc\n\n')) | |
519 |
|
519 | |||
520 | nt.assert_true(isp.last_two_blanks('\n\n')) |
|
520 | nt.assert_true(isp.last_two_blanks('\n\n')) | |
521 | nt.assert_true(isp.last_two_blanks('\n\n ')) |
|
521 | nt.assert_true(isp.last_two_blanks('\n\n ')) | |
522 | nt.assert_true(isp.last_two_blanks('\n \n')) |
|
522 | nt.assert_true(isp.last_two_blanks('\n \n')) | |
523 | nt.assert_true(isp.last_two_blanks('abc\n\n ')) |
|
523 | nt.assert_true(isp.last_two_blanks('abc\n\n ')) | |
524 | nt.assert_true(isp.last_two_blanks('abc\n\n\n')) |
|
524 | nt.assert_true(isp.last_two_blanks('abc\n\n\n')) | |
525 | nt.assert_true(isp.last_two_blanks('abc\n\n \n')) |
|
525 | nt.assert_true(isp.last_two_blanks('abc\n\n \n')) | |
526 | nt.assert_true(isp.last_two_blanks('abc\n\n \n ')) |
|
526 | nt.assert_true(isp.last_two_blanks('abc\n\n \n ')) | |
527 | nt.assert_true(isp.last_two_blanks('abc\n\n \n \n')) |
|
527 | nt.assert_true(isp.last_two_blanks('abc\n\n \n \n')) | |
528 | nt.assert_true(isp.last_two_blanks('abc\nd\n\n\n')) |
|
528 | nt.assert_true(isp.last_two_blanks('abc\nd\n\n\n')) | |
529 | nt.assert_true(isp.last_two_blanks('abc\nd\ne\nf\n\n\n')) |
|
529 | nt.assert_true(isp.last_two_blanks('abc\nd\ne\nf\n\n\n')) | |
530 |
|
530 | |||
531 |
|
531 | |||
532 | class CellMagicsCommon(object): |
|
532 | class CellMagicsCommon(object): | |
533 |
|
533 | |||
534 | def test_whole_cell(self): |
|
534 | def test_whole_cell(self): | |
535 | src = "%%cellm line\nbody\n" |
|
535 | src = "%%cellm line\nbody\n" | |
536 | sp = self.sp |
|
536 | sp = self.sp | |
537 | sp.push(src) |
|
537 | sp.push(src) | |
538 | out = sp.source_reset() |
|
538 | out = sp.source_reset() | |
539 | ref = u"get_ipython().run_cell_magic({u}'cellm', {u}'line', {u}'body')\n" |
|
539 | ref = u"get_ipython().run_cell_magic({u}'cellm', {u}'line', {u}'body')\n" | |
540 | nt.assert_equal(out, py3compat.u_format(ref)) |
|
540 | nt.assert_equal(out, py3compat.u_format(ref)) | |
541 |
|
541 | |||
|
542 | def test_cellmagic_help(self): | |||
|
543 | self.sp.push('%%cellm?') | |||
|
544 | nt.assert_false(self.sp.push_accepts_more()) | |||
|
545 | ||||
542 | def tearDown(self): |
|
546 | def tearDown(self): | |
543 | self.sp.reset() |
|
547 | self.sp.reset() | |
544 |
|
548 | |||
545 |
|
549 | |||
546 | class CellModeCellMagics(CellMagicsCommon, unittest.TestCase): |
|
550 | class CellModeCellMagics(CellMagicsCommon, unittest.TestCase): | |
547 |
sp = isp.IPythonInputSplitter(input_ |
|
551 | sp = isp.IPythonInputSplitter(line_input_checker=False) | |
548 |
|
552 | |||
549 | def test_incremental(self): |
|
553 | def test_incremental(self): | |
550 | sp = self.sp |
|
554 | sp = self.sp | |
551 |
s |
|
555 | sp.push('%%cellm firstline\n') | |
552 | sp.push(src) |
|
|||
553 | nt.assert_true(sp.push_accepts_more()) #1 |
|
556 | nt.assert_true(sp.push_accepts_more()) #1 | |
554 | src += '\n' |
|
557 | sp.push('line2\n') | |
555 | sp.push(src) |
|
558 | nt.assert_true(sp.push_accepts_more()) #2 | |
556 | # Note: if we ever change the logic to allow full blank lines (see |
|
559 | sp.push('\n') | |
557 | # _handle_cell_magic), then the following test should change to true |
|
560 | # This should accept a blank line and carry on until the cell is reset | |
558 |
nt.assert_ |
|
561 | nt.assert_true(sp.push_accepts_more()) #3 | |
559 | # By now, even with full blanks allowed, a second blank should signal |
|
|||
560 | # the end. For now this test is only a redundancy safety, but don't |
|
|||
561 | # delete it in case we change our mind and the previous one goes to |
|
|||
562 | # true. |
|
|||
563 | src += '\n' |
|
|||
564 | sp.push(src) |
|
|||
565 | nt.assert_false(sp.push_accepts_more()) #3 |
|
|||
566 |
|
||||
567 |
|
562 | |||
568 | class LineModeCellMagics(CellMagicsCommon, unittest.TestCase): |
|
563 | class LineModeCellMagics(CellMagicsCommon, unittest.TestCase): | |
569 |
sp = isp.IPythonInputSplitter(input_ |
|
564 | sp = isp.IPythonInputSplitter(line_input_checker=True) | |
570 |
|
565 | |||
571 | def test_incremental(self): |
|
566 | def test_incremental(self): | |
572 | sp = self.sp |
|
567 | sp = self.sp | |
573 | sp.push('%%cellm line2\n') |
|
568 | sp.push('%%cellm line2\n') | |
574 | nt.assert_true(sp.push_accepts_more()) #1 |
|
569 | nt.assert_true(sp.push_accepts_more()) #1 | |
575 | sp.push('\n') |
|
570 | sp.push('\n') | |
|
571 | # In this case, a blank line should end the cell magic | |||
576 | nt.assert_false(sp.push_accepts_more()) #2 |
|
572 | nt.assert_false(sp.push_accepts_more()) #2 |
@@ -1,403 +1,409 b'' | |||||
1 | import tokenize |
|
1 | import tokenize | |
2 | import unittest |
|
2 | import unittest | |
3 | import nose.tools as nt |
|
3 | import nose.tools as nt | |
4 |
|
4 | |||
5 | from IPython.testing import tools as tt |
|
5 | from IPython.testing import tools as tt | |
6 | from IPython.utils import py3compat |
|
6 | from IPython.utils import py3compat | |
7 | u_fmt = py3compat.u_format |
|
7 | u_fmt = py3compat.u_format | |
8 |
|
8 | |||
9 | from IPython.core import inputtransformer as ipt |
|
9 | from IPython.core import inputtransformer as ipt | |
10 |
|
10 | |||
11 | def transform_and_reset(transformer): |
|
11 | def transform_and_reset(transformer): | |
12 | transformer = transformer() |
|
12 | transformer = transformer() | |
13 | def transform(inp): |
|
13 | def transform(inp): | |
14 | try: |
|
14 | try: | |
15 | return transformer.push(inp) |
|
15 | return transformer.push(inp) | |
16 | finally: |
|
16 | finally: | |
17 | transformer.reset() |
|
17 | transformer.reset() | |
18 |
|
18 | |||
19 | return transform |
|
19 | return transform | |
20 |
|
20 | |||
21 | # Transformer tests |
|
21 | # Transformer tests | |
22 | def transform_checker(tests, transformer): |
|
22 | def transform_checker(tests, transformer, **kwargs): | |
23 | """Utility to loop over test inputs""" |
|
23 | """Utility to loop over test inputs""" | |
24 | transformer = transformer() |
|
24 | transformer = transformer(**kwargs) | |
25 | try: |
|
25 | try: | |
26 | for inp, tr in tests: |
|
26 | for inp, tr in tests: | |
27 | if inp is None: |
|
27 | if inp is None: | |
28 | out = transformer.reset() |
|
28 | out = transformer.reset() | |
29 | else: |
|
29 | else: | |
30 | out = transformer.push(inp) |
|
30 | out = transformer.push(inp) | |
31 | nt.assert_equal(out, tr) |
|
31 | nt.assert_equal(out, tr) | |
32 | finally: |
|
32 | finally: | |
33 | transformer.reset() |
|
33 | transformer.reset() | |
34 |
|
34 | |||
35 | # Data for all the syntax tests in the form of lists of pairs of |
|
35 | # Data for all the syntax tests in the form of lists of pairs of | |
36 | # raw/transformed input. We store it here as a global dict so that we can use |
|
36 | # raw/transformed input. We store it here as a global dict so that we can use | |
37 | # it both within single-function tests and also to validate the behavior of the |
|
37 | # it both within single-function tests and also to validate the behavior of the | |
38 | # larger objects |
|
38 | # larger objects | |
39 |
|
39 | |||
40 | syntax = \ |
|
40 | syntax = \ | |
41 | dict(assign_system = |
|
41 | dict(assign_system = | |
42 | [(i,py3compat.u_format(o)) for i,o in \ |
|
42 | [(i,py3compat.u_format(o)) for i,o in \ | |
43 | [(u'a =! ls', "a = get_ipython().getoutput({u}'ls')"), |
|
43 | [(u'a =! ls', "a = get_ipython().getoutput({u}'ls')"), | |
44 | (u'b = !ls', "b = get_ipython().getoutput({u}'ls')"), |
|
44 | (u'b = !ls', "b = get_ipython().getoutput({u}'ls')"), | |
45 | ('x=1', 'x=1'), # normal input is unmodified |
|
45 | ('x=1', 'x=1'), # normal input is unmodified | |
46 | (' ',' '), # blank lines are kept intact |
|
46 | (' ',' '), # blank lines are kept intact | |
47 | ]], |
|
47 | ]], | |
48 |
|
48 | |||
49 | assign_magic = |
|
49 | assign_magic = | |
50 | [(i,py3compat.u_format(o)) for i,o in \ |
|
50 | [(i,py3compat.u_format(o)) for i,o in \ | |
51 | [(u'a =% who', "a = get_ipython().magic({u}'who')"), |
|
51 | [(u'a =% who', "a = get_ipython().magic({u}'who')"), | |
52 | (u'b = %who', "b = get_ipython().magic({u}'who')"), |
|
52 | (u'b = %who', "b = get_ipython().magic({u}'who')"), | |
53 | ('x=1', 'x=1'), # normal input is unmodified |
|
53 | ('x=1', 'x=1'), # normal input is unmodified | |
54 | (' ',' '), # blank lines are kept intact |
|
54 | (' ',' '), # blank lines are kept intact | |
55 | ]], |
|
55 | ]], | |
56 |
|
56 | |||
57 | classic_prompt = |
|
57 | classic_prompt = | |
58 | [('>>> x=1', 'x=1'), |
|
58 | [('>>> x=1', 'x=1'), | |
59 | ('x=1', 'x=1'), # normal input is unmodified |
|
59 | ('x=1', 'x=1'), # normal input is unmodified | |
60 | (' ', ' '), # blank lines are kept intact |
|
60 | (' ', ' '), # blank lines are kept intact | |
61 | ], |
|
61 | ], | |
62 |
|
62 | |||
63 | ipy_prompt = |
|
63 | ipy_prompt = | |
64 | [('In [1]: x=1', 'x=1'), |
|
64 | [('In [1]: x=1', 'x=1'), | |
65 | ('x=1', 'x=1'), # normal input is unmodified |
|
65 | ('x=1', 'x=1'), # normal input is unmodified | |
66 | (' ',' '), # blank lines are kept intact |
|
66 | (' ',' '), # blank lines are kept intact | |
67 | ], |
|
67 | ], | |
68 |
|
68 | |||
69 | # Tests for the escape transformer to leave normal code alone |
|
69 | # Tests for the escape transformer to leave normal code alone | |
70 | escaped_noesc = |
|
70 | escaped_noesc = | |
71 | [ (' ', ' '), |
|
71 | [ (' ', ' '), | |
72 | ('x=1', 'x=1'), |
|
72 | ('x=1', 'x=1'), | |
73 | ], |
|
73 | ], | |
74 |
|
74 | |||
75 | # System calls |
|
75 | # System calls | |
76 | escaped_shell = |
|
76 | escaped_shell = | |
77 | [(i,py3compat.u_format(o)) for i,o in \ |
|
77 | [(i,py3compat.u_format(o)) for i,o in \ | |
78 | [ (u'!ls', "get_ipython().system({u}'ls')"), |
|
78 | [ (u'!ls', "get_ipython().system({u}'ls')"), | |
79 | # Double-escape shell, this means to capture the output of the |
|
79 | # Double-escape shell, this means to capture the output of the | |
80 | # subprocess and return it |
|
80 | # subprocess and return it | |
81 | (u'!!ls', "get_ipython().getoutput({u}'ls')"), |
|
81 | (u'!!ls', "get_ipython().getoutput({u}'ls')"), | |
82 | ]], |
|
82 | ]], | |
83 |
|
83 | |||
84 | # Help/object info |
|
84 | # Help/object info | |
85 | escaped_help = |
|
85 | escaped_help = | |
86 | [(i,py3compat.u_format(o)) for i,o in \ |
|
86 | [(i,py3compat.u_format(o)) for i,o in \ | |
87 | [ (u'?', 'get_ipython().show_usage()'), |
|
87 | [ (u'?', 'get_ipython().show_usage()'), | |
88 | (u'?x1', "get_ipython().magic({u}'pinfo x1')"), |
|
88 | (u'?x1', "get_ipython().magic({u}'pinfo x1')"), | |
89 | (u'??x2', "get_ipython().magic({u}'pinfo2 x2')"), |
|
89 | (u'??x2', "get_ipython().magic({u}'pinfo2 x2')"), | |
90 | (u'?a.*s', "get_ipython().magic({u}'psearch a.*s')"), |
|
90 | (u'?a.*s', "get_ipython().magic({u}'psearch a.*s')"), | |
91 | (u'?%hist1', "get_ipython().magic({u}'pinfo %hist1')"), |
|
91 | (u'?%hist1', "get_ipython().magic({u}'pinfo %hist1')"), | |
92 | (u'?%%hist2', "get_ipython().magic({u}'pinfo %%hist2')"), |
|
92 | (u'?%%hist2', "get_ipython().magic({u}'pinfo %%hist2')"), | |
93 | (u'?abc = qwe', "get_ipython().magic({u}'pinfo abc')"), |
|
93 | (u'?abc = qwe', "get_ipython().magic({u}'pinfo abc')"), | |
94 | ]], |
|
94 | ]], | |
95 |
|
95 | |||
96 | end_help = |
|
96 | end_help = | |
97 | [(i,py3compat.u_format(o)) for i,o in \ |
|
97 | [(i,py3compat.u_format(o)) for i,o in \ | |
98 | [ (u'x3?', "get_ipython().magic({u}'pinfo x3')"), |
|
98 | [ (u'x3?', "get_ipython().magic({u}'pinfo x3')"), | |
99 | (u'x4??', "get_ipython().magic({u}'pinfo2 x4')"), |
|
99 | (u'x4??', "get_ipython().magic({u}'pinfo2 x4')"), | |
100 | (u'%hist1?', "get_ipython().magic({u}'pinfo %hist1')"), |
|
100 | (u'%hist1?', "get_ipython().magic({u}'pinfo %hist1')"), | |
101 | (u'%hist2??', "get_ipython().magic({u}'pinfo2 %hist2')"), |
|
101 | (u'%hist2??', "get_ipython().magic({u}'pinfo2 %hist2')"), | |
102 | (u'%%hist3?', "get_ipython().magic({u}'pinfo %%hist3')"), |
|
102 | (u'%%hist3?', "get_ipython().magic({u}'pinfo %%hist3')"), | |
103 | (u'%%hist4??', "get_ipython().magic({u}'pinfo2 %%hist4')"), |
|
103 | (u'%%hist4??', "get_ipython().magic({u}'pinfo2 %%hist4')"), | |
104 | (u'f*?', "get_ipython().magic({u}'psearch f*')"), |
|
104 | (u'f*?', "get_ipython().magic({u}'psearch f*')"), | |
105 | (u'ax.*aspe*?', "get_ipython().magic({u}'psearch ax.*aspe*')"), |
|
105 | (u'ax.*aspe*?', "get_ipython().magic({u}'psearch ax.*aspe*')"), | |
106 | (u'a = abc?', "get_ipython().set_next_input({u}'a = abc');" |
|
106 | (u'a = abc?', "get_ipython().set_next_input({u}'a = abc');" | |
107 | "get_ipython().magic({u}'pinfo abc')"), |
|
107 | "get_ipython().magic({u}'pinfo abc')"), | |
108 | (u'a = abc.qe??', "get_ipython().set_next_input({u}'a = abc.qe');" |
|
108 | (u'a = abc.qe??', "get_ipython().set_next_input({u}'a = abc.qe');" | |
109 | "get_ipython().magic({u}'pinfo2 abc.qe')"), |
|
109 | "get_ipython().magic({u}'pinfo2 abc.qe')"), | |
110 | (u'a = *.items?', "get_ipython().set_next_input({u}'a = *.items');" |
|
110 | (u'a = *.items?', "get_ipython().set_next_input({u}'a = *.items');" | |
111 | "get_ipython().magic({u}'psearch *.items')"), |
|
111 | "get_ipython().magic({u}'psearch *.items')"), | |
112 | (u'plot(a?', "get_ipython().set_next_input({u}'plot(a');" |
|
112 | (u'plot(a?', "get_ipython().set_next_input({u}'plot(a');" | |
113 | "get_ipython().magic({u}'pinfo a')"), |
|
113 | "get_ipython().magic({u}'pinfo a')"), | |
114 | (u'a*2 #comment?', 'a*2 #comment?'), |
|
114 | (u'a*2 #comment?', 'a*2 #comment?'), | |
115 | ]], |
|
115 | ]], | |
116 |
|
116 | |||
117 | # Explicit magic calls |
|
117 | # Explicit magic calls | |
118 | escaped_magic = |
|
118 | escaped_magic = | |
119 | [(i,py3compat.u_format(o)) for i,o in \ |
|
119 | [(i,py3compat.u_format(o)) for i,o in \ | |
120 | [ (u'%cd', "get_ipython().magic({u}'cd')"), |
|
120 | [ (u'%cd', "get_ipython().magic({u}'cd')"), | |
121 | (u'%cd /home', "get_ipython().magic({u}'cd /home')"), |
|
121 | (u'%cd /home', "get_ipython().magic({u}'cd /home')"), | |
122 | # Backslashes need to be escaped. |
|
122 | # Backslashes need to be escaped. | |
123 | (u'%cd C:\\User', "get_ipython().magic({u}'cd C:\\\\User')"), |
|
123 | (u'%cd C:\\User', "get_ipython().magic({u}'cd C:\\\\User')"), | |
124 | (u' %magic', " get_ipython().magic({u}'magic')"), |
|
124 | (u' %magic', " get_ipython().magic({u}'magic')"), | |
125 | ]], |
|
125 | ]], | |
126 |
|
126 | |||
127 | # Quoting with separate arguments |
|
127 | # Quoting with separate arguments | |
128 | escaped_quote = |
|
128 | escaped_quote = | |
129 | [ (',f', 'f("")'), |
|
129 | [ (',f', 'f("")'), | |
130 | (',f x', 'f("x")'), |
|
130 | (',f x', 'f("x")'), | |
131 | (' ,f y', ' f("y")'), |
|
131 | (' ,f y', ' f("y")'), | |
132 | (',f a b', 'f("a", "b")'), |
|
132 | (',f a b', 'f("a", "b")'), | |
133 | ], |
|
133 | ], | |
134 |
|
134 | |||
135 | # Quoting with single argument |
|
135 | # Quoting with single argument | |
136 | escaped_quote2 = |
|
136 | escaped_quote2 = | |
137 | [ (';f', 'f("")'), |
|
137 | [ (';f', 'f("")'), | |
138 | (';f x', 'f("x")'), |
|
138 | (';f x', 'f("x")'), | |
139 | (' ;f y', ' f("y")'), |
|
139 | (' ;f y', ' f("y")'), | |
140 | (';f a b', 'f("a b")'), |
|
140 | (';f a b', 'f("a b")'), | |
141 | ], |
|
141 | ], | |
142 |
|
142 | |||
143 | # Simply apply parens |
|
143 | # Simply apply parens | |
144 | escaped_paren = |
|
144 | escaped_paren = | |
145 | [ ('/f', 'f()'), |
|
145 | [ ('/f', 'f()'), | |
146 | ('/f x', 'f(x)'), |
|
146 | ('/f x', 'f(x)'), | |
147 | (' /f y', ' f(y)'), |
|
147 | (' /f y', ' f(y)'), | |
148 | ('/f a b', 'f(a, b)'), |
|
148 | ('/f a b', 'f(a, b)'), | |
149 | ], |
|
149 | ], | |
150 |
|
150 | |||
151 | # Check that we transform prompts before other transforms |
|
151 | # Check that we transform prompts before other transforms | |
152 | mixed = |
|
152 | mixed = | |
153 | [(i,py3compat.u_format(o)) for i,o in \ |
|
153 | [(i,py3compat.u_format(o)) for i,o in \ | |
154 | [ (u'In [1]: %lsmagic', "get_ipython().magic({u}'lsmagic')"), |
|
154 | [ (u'In [1]: %lsmagic', "get_ipython().magic({u}'lsmagic')"), | |
155 | (u'>>> %lsmagic', "get_ipython().magic({u}'lsmagic')"), |
|
155 | (u'>>> %lsmagic', "get_ipython().magic({u}'lsmagic')"), | |
156 | (u'In [2]: !ls', "get_ipython().system({u}'ls')"), |
|
156 | (u'In [2]: !ls', "get_ipython().system({u}'ls')"), | |
157 | (u'In [3]: abs?', "get_ipython().magic({u}'pinfo abs')"), |
|
157 | (u'In [3]: abs?', "get_ipython().magic({u}'pinfo abs')"), | |
158 | (u'In [4]: b = %who', "b = get_ipython().magic({u}'who')"), |
|
158 | (u'In [4]: b = %who', "b = get_ipython().magic({u}'who')"), | |
159 | ]], |
|
159 | ]], | |
160 | ) |
|
160 | ) | |
161 |
|
161 | |||
162 | # multiline syntax examples. Each of these should be a list of lists, with |
|
162 | # multiline syntax examples. Each of these should be a list of lists, with | |
163 | # each entry itself having pairs of raw/transformed input. The union (with |
|
163 | # each entry itself having pairs of raw/transformed input. The union (with | |
164 | # '\n'.join() of the transformed inputs is what the splitter should produce |
|
164 | # '\n'.join() of the transformed inputs is what the splitter should produce | |
165 | # when fed the raw lines one at a time via push. |
|
165 | # when fed the raw lines one at a time via push. | |
166 | syntax_ml = \ |
|
166 | syntax_ml = \ | |
167 | dict(classic_prompt = |
|
167 | dict(classic_prompt = | |
168 | [ [('>>> for i in range(10):','for i in range(10):'), |
|
168 | [ [('>>> for i in range(10):','for i in range(10):'), | |
169 | ('... print i',' print i'), |
|
169 | ('... print i',' print i'), | |
170 | ('... ', ''), |
|
170 | ('... ', ''), | |
171 | ], |
|
171 | ], | |
172 | [('>>> a="""','a="""'), |
|
172 | [('>>> a="""','a="""'), | |
173 | ('... 123"""','123"""'), |
|
173 | ('... 123"""','123"""'), | |
174 | ], |
|
174 | ], | |
175 | [('a="""','a="""'), |
|
175 | [('a="""','a="""'), | |
176 | ('... 123"""','... 123"""'), |
|
176 | ('... 123"""','... 123"""'), | |
177 | ], |
|
177 | ], | |
178 | ], |
|
178 | ], | |
179 |
|
179 | |||
180 | ipy_prompt = |
|
180 | ipy_prompt = | |
181 | [ [('In [24]: for i in range(10):','for i in range(10):'), |
|
181 | [ [('In [24]: for i in range(10):','for i in range(10):'), | |
182 | (' ....: print i',' print i'), |
|
182 | (' ....: print i',' print i'), | |
183 | (' ....: ', ''), |
|
183 | (' ....: ', ''), | |
184 | ], |
|
184 | ], | |
185 | [('In [2]: a="""','a="""'), |
|
185 | [('In [2]: a="""','a="""'), | |
186 | (' ...: 123"""','123"""'), |
|
186 | (' ...: 123"""','123"""'), | |
187 | ], |
|
187 | ], | |
188 | [('a="""','a="""'), |
|
188 | [('a="""','a="""'), | |
189 | (' ...: 123"""',' ...: 123"""'), |
|
189 | (' ...: 123"""',' ...: 123"""'), | |
190 | ], |
|
190 | ], | |
191 | ], |
|
191 | ], | |
192 |
|
192 | |||
193 | multiline_datastructure_prompt = |
|
193 | multiline_datastructure_prompt = | |
194 | [ [('>>> a = [1,','a = [1,'), |
|
194 | [ [('>>> a = [1,','a = [1,'), | |
195 | ('... 2]','2]'), |
|
195 | ('... 2]','2]'), | |
196 | ], |
|
196 | ], | |
197 | ], |
|
197 | ], | |
198 |
|
198 | |||
199 | multiline_datastructure = |
|
199 | multiline_datastructure = | |
200 | [ [('b = ("%s"', None), |
|
200 | [ [('b = ("%s"', None), | |
201 | ('# comment', None), |
|
201 | ('# comment', None), | |
202 | ('%foo )', 'b = ("%s"\n# comment\n%foo )'), |
|
202 | ('%foo )', 'b = ("%s"\n# comment\n%foo )'), | |
203 | ], |
|
203 | ], | |
204 | ], |
|
204 | ], | |
205 |
|
205 | |||
206 | leading_indent = |
|
206 | leading_indent = | |
207 | [ [(' print "hi"','print "hi"'), |
|
207 | [ [(' print "hi"','print "hi"'), | |
208 | ], |
|
208 | ], | |
209 | [(' for a in range(5):','for a in range(5):'), |
|
209 | [(' for a in range(5):','for a in range(5):'), | |
210 | (' a*2',' a*2'), |
|
210 | (' a*2',' a*2'), | |
211 | ], |
|
211 | ], | |
212 | [(' a="""','a="""'), |
|
212 | [(' a="""','a="""'), | |
213 | (' 123"""','123"""'), |
|
213 | (' 123"""','123"""'), | |
214 | ], |
|
214 | ], | |
215 | [('a="""','a="""'), |
|
215 | [('a="""','a="""'), | |
216 | (' 123"""',' 123"""'), |
|
216 | (' 123"""',' 123"""'), | |
217 | ], |
|
217 | ], | |
218 | ], |
|
218 | ], | |
219 |
|
219 | |||
220 | cellmagic = |
|
220 | cellmagic = | |
221 | [ [(u'%%foo a', None), |
|
221 | [ [(u'%%foo a', None), | |
222 | (None, u_fmt("get_ipython().run_cell_magic({u}'foo', {u}'a', {u}'')")), |
|
222 | (None, u_fmt("get_ipython().run_cell_magic({u}'foo', {u}'a', {u}'')")), | |
223 | ], |
|
223 | ], | |
224 | [(u'%%bar 123', None), |
|
224 | [(u'%%bar 123', None), | |
225 | (u'hello', None), |
|
225 | (u'hello', None), | |
226 |
( |
|
226 | (None , u_fmt("get_ipython().run_cell_magic({u}'bar', {u}'123', {u}'hello')")), | |
227 | ], |
|
227 | ], | |
228 | ], |
|
228 | ], | |
229 |
|
229 | |||
230 | escaped = |
|
230 | escaped = | |
231 | [ [('%abc def \\', None), |
|
231 | [ [('%abc def \\', None), | |
232 | ('ghi', u_fmt("get_ipython().magic({u}'abc def ghi')")), |
|
232 | ('ghi', u_fmt("get_ipython().magic({u}'abc def ghi')")), | |
233 | ], |
|
233 | ], | |
234 | [('%abc def \\', None), |
|
234 | [('%abc def \\', None), | |
235 | ('ghi\\', None), |
|
235 | ('ghi\\', None), | |
236 | (None, u_fmt("get_ipython().magic({u}'abc def ghi')")), |
|
236 | (None, u_fmt("get_ipython().magic({u}'abc def ghi')")), | |
237 | ], |
|
237 | ], | |
238 | ], |
|
238 | ], | |
239 |
|
239 | |||
240 | assign_magic = |
|
240 | assign_magic = | |
241 | [ [(u'a = %bc de \\', None), |
|
241 | [ [(u'a = %bc de \\', None), | |
242 | (u'fg', u_fmt("a = get_ipython().magic({u}'bc de fg')")), |
|
242 | (u'fg', u_fmt("a = get_ipython().magic({u}'bc de fg')")), | |
243 | ], |
|
243 | ], | |
244 | [(u'a = %bc de \\', None), |
|
244 | [(u'a = %bc de \\', None), | |
245 | (u'fg\\', None), |
|
245 | (u'fg\\', None), | |
246 | (None, u_fmt("a = get_ipython().magic({u}'bc de fg')")), |
|
246 | (None, u_fmt("a = get_ipython().magic({u}'bc de fg')")), | |
247 | ], |
|
247 | ], | |
248 | ], |
|
248 | ], | |
249 |
|
249 | |||
250 | assign_system = |
|
250 | assign_system = | |
251 | [ [(u'a = !bc de \\', None), |
|
251 | [ [(u'a = !bc de \\', None), | |
252 | (u'fg', u_fmt("a = get_ipython().getoutput({u}'bc de fg')")), |
|
252 | (u'fg', u_fmt("a = get_ipython().getoutput({u}'bc de fg')")), | |
253 | ], |
|
253 | ], | |
254 | [(u'a = !bc de \\', None), |
|
254 | [(u'a = !bc de \\', None), | |
255 | (u'fg\\', None), |
|
255 | (u'fg\\', None), | |
256 | (None, u_fmt("a = get_ipython().getoutput({u}'bc de fg')")), |
|
256 | (None, u_fmt("a = get_ipython().getoutput({u}'bc de fg')")), | |
257 | ], |
|
257 | ], | |
258 | ], |
|
258 | ], | |
259 | ) |
|
259 | ) | |
260 |
|
260 | |||
261 |
|
261 | |||
262 | def test_assign_system(): |
|
262 | def test_assign_system(): | |
263 | tt.check_pairs(transform_and_reset(ipt.assign_from_system), syntax['assign_system']) |
|
263 | tt.check_pairs(transform_and_reset(ipt.assign_from_system), syntax['assign_system']) | |
264 |
|
264 | |||
265 | def test_assign_magic(): |
|
265 | def test_assign_magic(): | |
266 | tt.check_pairs(transform_and_reset(ipt.assign_from_magic), syntax['assign_magic']) |
|
266 | tt.check_pairs(transform_and_reset(ipt.assign_from_magic), syntax['assign_magic']) | |
267 |
|
267 | |||
268 | def test_classic_prompt(): |
|
268 | def test_classic_prompt(): | |
269 | tt.check_pairs(transform_and_reset(ipt.classic_prompt), syntax['classic_prompt']) |
|
269 | tt.check_pairs(transform_and_reset(ipt.classic_prompt), syntax['classic_prompt']) | |
270 | for example in syntax_ml['classic_prompt']: |
|
270 | for example in syntax_ml['classic_prompt']: | |
271 | transform_checker(example, ipt.classic_prompt) |
|
271 | transform_checker(example, ipt.classic_prompt) | |
272 | for example in syntax_ml['multiline_datastructure_prompt']: |
|
272 | for example in syntax_ml['multiline_datastructure_prompt']: | |
273 | transform_checker(example, ipt.classic_prompt) |
|
273 | transform_checker(example, ipt.classic_prompt) | |
274 |
|
274 | |||
275 |
|
275 | |||
276 | def test_ipy_prompt(): |
|
276 | def test_ipy_prompt(): | |
277 | tt.check_pairs(transform_and_reset(ipt.ipy_prompt), syntax['ipy_prompt']) |
|
277 | tt.check_pairs(transform_and_reset(ipt.ipy_prompt), syntax['ipy_prompt']) | |
278 | for example in syntax_ml['ipy_prompt']: |
|
278 | for example in syntax_ml['ipy_prompt']: | |
279 | transform_checker(example, ipt.ipy_prompt) |
|
279 | transform_checker(example, ipt.ipy_prompt) | |
280 |
|
280 | |||
281 | def test_assemble_logical_lines(): |
|
281 | def test_assemble_logical_lines(): | |
282 | tests = \ |
|
282 | tests = \ | |
283 | [ [(u"a = \\", None), |
|
283 | [ [(u"a = \\", None), | |
284 | (u"123", u"a = 123"), |
|
284 | (u"123", u"a = 123"), | |
285 | ], |
|
285 | ], | |
286 | [(u"a = \\", None), # Test resetting when within a multi-line string |
|
286 | [(u"a = \\", None), # Test resetting when within a multi-line string | |
287 | (u"12 *\\", None), |
|
287 | (u"12 *\\", None), | |
288 | (None, u"a = 12 *"), |
|
288 | (None, u"a = 12 *"), | |
289 | ], |
|
289 | ], | |
290 | [(u"# foo\\", u"# foo\\"), # Comments can't be continued like this |
|
290 | [(u"# foo\\", u"# foo\\"), # Comments can't be continued like this | |
291 | ], |
|
291 | ], | |
292 | ] |
|
292 | ] | |
293 | for example in tests: |
|
293 | for example in tests: | |
294 | transform_checker(example, ipt.assemble_logical_lines) |
|
294 | transform_checker(example, ipt.assemble_logical_lines) | |
295 |
|
295 | |||
296 | def test_assemble_python_lines(): |
|
296 | def test_assemble_python_lines(): | |
297 | tests = \ |
|
297 | tests = \ | |
298 | [ [(u"a = '''", None), |
|
298 | [ [(u"a = '''", None), | |
299 | (u"abc'''", u"a = '''\nabc'''"), |
|
299 | (u"abc'''", u"a = '''\nabc'''"), | |
300 | ], |
|
300 | ], | |
301 | [(u"a = '''", None), # Test resetting when within a multi-line string |
|
301 | [(u"a = '''", None), # Test resetting when within a multi-line string | |
302 | (u"def", None), |
|
302 | (u"def", None), | |
303 | (None, u"a = '''\ndef"), |
|
303 | (None, u"a = '''\ndef"), | |
304 | ], |
|
304 | ], | |
305 | [(u"a = [1,", None), |
|
305 | [(u"a = [1,", None), | |
306 | (u"2]", u"a = [1,\n2]"), |
|
306 | (u"2]", u"a = [1,\n2]"), | |
307 | ], |
|
307 | ], | |
308 | [(u"a = [1,", None), # Test resetting when within a multi-line string |
|
308 | [(u"a = [1,", None), # Test resetting when within a multi-line string | |
309 | (u"2,", None), |
|
309 | (u"2,", None), | |
310 | (None, u"a = [1,\n2,"), |
|
310 | (None, u"a = [1,\n2,"), | |
311 | ], |
|
311 | ], | |
312 | ] + syntax_ml['multiline_datastructure'] |
|
312 | ] + syntax_ml['multiline_datastructure'] | |
313 | for example in tests: |
|
313 | for example in tests: | |
314 | transform_checker(example, ipt.assemble_python_lines) |
|
314 | transform_checker(example, ipt.assemble_python_lines) | |
315 |
|
315 | |||
316 |
|
316 | |||
317 | def test_help_end(): |
|
317 | def test_help_end(): | |
318 | tt.check_pairs(transform_and_reset(ipt.help_end), syntax['end_help']) |
|
318 | tt.check_pairs(transform_and_reset(ipt.help_end), syntax['end_help']) | |
319 |
|
319 | |||
320 | def test_escaped_noesc(): |
|
320 | def test_escaped_noesc(): | |
321 | tt.check_pairs(transform_and_reset(ipt.escaped_commands), syntax['escaped_noesc']) |
|
321 | tt.check_pairs(transform_and_reset(ipt.escaped_commands), syntax['escaped_noesc']) | |
322 |
|
322 | |||
323 |
|
323 | |||
324 | def test_escaped_shell(): |
|
324 | def test_escaped_shell(): | |
325 | tt.check_pairs(transform_and_reset(ipt.escaped_commands), syntax['escaped_shell']) |
|
325 | tt.check_pairs(transform_and_reset(ipt.escaped_commands), syntax['escaped_shell']) | |
326 |
|
326 | |||
327 |
|
327 | |||
328 | def test_escaped_help(): |
|
328 | def test_escaped_help(): | |
329 | tt.check_pairs(transform_and_reset(ipt.escaped_commands), syntax['escaped_help']) |
|
329 | tt.check_pairs(transform_and_reset(ipt.escaped_commands), syntax['escaped_help']) | |
330 |
|
330 | |||
331 |
|
331 | |||
332 | def test_escaped_magic(): |
|
332 | def test_escaped_magic(): | |
333 | tt.check_pairs(transform_and_reset(ipt.escaped_commands), syntax['escaped_magic']) |
|
333 | tt.check_pairs(transform_and_reset(ipt.escaped_commands), syntax['escaped_magic']) | |
334 |
|
334 | |||
335 |
|
335 | |||
336 | def test_escaped_quote(): |
|
336 | def test_escaped_quote(): | |
337 | tt.check_pairs(transform_and_reset(ipt.escaped_commands), syntax['escaped_quote']) |
|
337 | tt.check_pairs(transform_and_reset(ipt.escaped_commands), syntax['escaped_quote']) | |
338 |
|
338 | |||
339 |
|
339 | |||
340 | def test_escaped_quote2(): |
|
340 | def test_escaped_quote2(): | |
341 | tt.check_pairs(transform_and_reset(ipt.escaped_commands), syntax['escaped_quote2']) |
|
341 | tt.check_pairs(transform_and_reset(ipt.escaped_commands), syntax['escaped_quote2']) | |
342 |
|
342 | |||
343 |
|
343 | |||
344 | def test_escaped_paren(): |
|
344 | def test_escaped_paren(): | |
345 | tt.check_pairs(transform_and_reset(ipt.escaped_commands), syntax['escaped_paren']) |
|
345 | tt.check_pairs(transform_and_reset(ipt.escaped_commands), syntax['escaped_paren']) | |
346 |
|
346 | |||
347 |
|
347 | |||
348 | def test_cellmagic(): |
|
348 | def test_cellmagic(): | |
349 | for example in syntax_ml['cellmagic']: |
|
349 | for example in syntax_ml['cellmagic']: | |
350 | transform_checker(example, ipt.cellmagic) |
|
350 | transform_checker(example, ipt.cellmagic) | |
351 |
|
351 | |||
|
352 | line_example = [(u'%%bar 123', None), | |||
|
353 | (u'hello', None), | |||
|
354 | (u'' , u_fmt("get_ipython().run_cell_magic({u}'bar', {u}'123', {u}'hello')")), | |||
|
355 | ] | |||
|
356 | transform_checker(line_example, ipt.cellmagic, end_on_blank_line=True) | |||
|
357 | ||||
352 | def test_has_comment(): |
|
358 | def test_has_comment(): | |
353 | tests = [('text', False), |
|
359 | tests = [('text', False), | |
354 | ('text #comment', True), |
|
360 | ('text #comment', True), | |
355 | ('text #comment\n', True), |
|
361 | ('text #comment\n', True), | |
356 | ('#comment', True), |
|
362 | ('#comment', True), | |
357 | ('#comment\n', True), |
|
363 | ('#comment\n', True), | |
358 | ('a = "#string"', False), |
|
364 | ('a = "#string"', False), | |
359 | ('a = "#string" # comment', True), |
|
365 | ('a = "#string" # comment', True), | |
360 | ('a #comment not "string"', True), |
|
366 | ('a #comment not "string"', True), | |
361 | ] |
|
367 | ] | |
362 | tt.check_pairs(ipt.has_comment, tests) |
|
368 | tt.check_pairs(ipt.has_comment, tests) | |
363 |
|
369 | |||
364 | @ipt.TokenInputTransformer.wrap |
|
370 | @ipt.TokenInputTransformer.wrap | |
365 | def decistmt(tokens): |
|
371 | def decistmt(tokens): | |
366 | """Substitute Decimals for floats in a string of statements. |
|
372 | """Substitute Decimals for floats in a string of statements. | |
367 |
|
373 | |||
368 | Based on an example from the tokenize module docs. |
|
374 | Based on an example from the tokenize module docs. | |
369 | """ |
|
375 | """ | |
370 | result = [] |
|
376 | result = [] | |
371 | for toknum, tokval, _, _, _ in tokens: |
|
377 | for toknum, tokval, _, _, _ in tokens: | |
372 | if toknum == tokenize.NUMBER and '.' in tokval: # replace NUMBER tokens |
|
378 | if toknum == tokenize.NUMBER and '.' in tokval: # replace NUMBER tokens | |
373 | for newtok in [ |
|
379 | for newtok in [ | |
374 | (tokenize.NAME, 'Decimal'), |
|
380 | (tokenize.NAME, 'Decimal'), | |
375 | (tokenize.OP, '('), |
|
381 | (tokenize.OP, '('), | |
376 | (tokenize.STRING, repr(tokval)), |
|
382 | (tokenize.STRING, repr(tokval)), | |
377 | (tokenize.OP, ')') |
|
383 | (tokenize.OP, ')') | |
378 | ]: |
|
384 | ]: | |
379 | yield newtok |
|
385 | yield newtok | |
380 | else: |
|
386 | else: | |
381 | yield (toknum, tokval) |
|
387 | yield (toknum, tokval) | |
382 |
|
388 | |||
383 |
|
389 | |||
384 |
|
390 | |||
385 | def test_token_input_transformer(): |
|
391 | def test_token_input_transformer(): | |
386 | tests = [(u'1.2', u_fmt(u"Decimal ({u}'1.2')")), |
|
392 | tests = [(u'1.2', u_fmt(u"Decimal ({u}'1.2')")), | |
387 | (u'"1.2"', u'"1.2"'), |
|
393 | (u'"1.2"', u'"1.2"'), | |
388 | ] |
|
394 | ] | |
389 | tt.check_pairs(transform_and_reset(decistmt), tests) |
|
395 | tt.check_pairs(transform_and_reset(decistmt), tests) | |
390 | ml_tests = \ |
|
396 | ml_tests = \ | |
391 | [ [(u"a = 1.2; b = '''x", None), |
|
397 | [ [(u"a = 1.2; b = '''x", None), | |
392 | (u"y'''", u_fmt(u"a =Decimal ({u}'1.2');b ='''x\ny'''")), |
|
398 | (u"y'''", u_fmt(u"a =Decimal ({u}'1.2');b ='''x\ny'''")), | |
393 | ], |
|
399 | ], | |
394 | [(u"a = [1.2,", None), |
|
400 | [(u"a = [1.2,", None), | |
395 | (u"3]", u_fmt(u"a =[Decimal ({u}'1.2'),\n3 ]")), |
|
401 | (u"3]", u_fmt(u"a =[Decimal ({u}'1.2'),\n3 ]")), | |
396 | ], |
|
402 | ], | |
397 | [(u"a = '''foo", None), # Test resetting when within a multi-line string |
|
403 | [(u"a = '''foo", None), # Test resetting when within a multi-line string | |
398 | (u"bar", None), |
|
404 | (u"bar", None), | |
399 | (None, u"a = '''foo\nbar"), |
|
405 | (None, u"a = '''foo\nbar"), | |
400 | ], |
|
406 | ], | |
401 | ] |
|
407 | ] | |
402 | for example in ml_tests: |
|
408 | for example in ml_tests: | |
403 | transform_checker(example, decistmt) |
|
409 | transform_checker(example, decistmt) |
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