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1 | # -*- coding: utf-8 -*- |
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1 | # -*- coding: utf-8 -*- | |
2 | """ |
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2 | """ | |
3 | Defines a variety of Pygments lexers for highlighting IPython code. |
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3 | Defines a variety of Pygments lexers for highlighting IPython code. | |
4 |
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4 | |||
5 | This includes: |
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5 | This includes: | |
6 |
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6 | |||
7 | IPythonLexer, IPython3Lexer |
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7 | IPythonLexer, IPython3Lexer | |
8 | Lexers for pure IPython (python + magic/shell commands) |
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8 | Lexers for pure IPython (python + magic/shell commands) | |
9 |
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9 | |||
10 | IPythonPartialTracebackLexer, IPythonTracebackLexer |
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10 | IPythonPartialTracebackLexer, IPythonTracebackLexer | |
11 | Supports 2.x and 3.x via keyword `python3`. The partial traceback |
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11 | Supports 2.x and 3.x via keyword `python3`. The partial traceback | |
12 | lexer reads everything but the Python code appearing in a traceback. |
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12 | lexer reads everything but the Python code appearing in a traceback. | |
13 | The full lexer combines the partial lexer with an IPython lexer. |
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13 | The full lexer combines the partial lexer with an IPython lexer. | |
14 |
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14 | |||
15 | IPythonConsoleLexer |
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15 | IPythonConsoleLexer | |
16 | A lexer for IPython console sessions, with support for tracebacks. |
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16 | A lexer for IPython console sessions, with support for tracebacks. | |
17 |
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17 | |||
18 | IPyLexer |
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18 | IPyLexer | |
19 | A friendly lexer which examines the first line of text and from it, |
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19 | A friendly lexer which examines the first line of text and from it, | |
20 | decides whether to use an IPython lexer or an IPython console lexer. |
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20 | decides whether to use an IPython lexer or an IPython console lexer. | |
21 | This is probably the only lexer that needs to be explicitly added |
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21 | This is probably the only lexer that needs to be explicitly added | |
22 | to Pygments. |
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22 | to Pygments. | |
23 |
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23 | |||
24 | """ |
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24 | """ | |
25 | #----------------------------------------------------------------------------- |
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25 | #----------------------------------------------------------------------------- | |
26 | # Copyright (c) 2013, the IPython Development Team. |
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26 | # Copyright (c) 2013, the IPython Development Team. | |
27 | # |
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27 | # | |
28 | # Distributed under the terms of the Modified BSD License. |
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28 | # Distributed under the terms of the Modified BSD License. | |
29 | # |
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29 | # | |
30 | # The full license is in the file COPYING.txt, distributed with this software. |
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30 | # The full license is in the file COPYING.txt, distributed with this software. | |
31 | #----------------------------------------------------------------------------- |
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31 | #----------------------------------------------------------------------------- | |
32 |
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32 | |||
33 | # Standard library |
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33 | # Standard library | |
34 | import re |
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34 | import re | |
35 |
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35 | |||
36 | # Third party |
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36 | # Third party | |
37 | from pygments.lexers import BashLexer, PythonLexer, Python3Lexer |
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37 | from pygments.lexers import BashLexer, PythonLexer, Python3Lexer | |
38 | from pygments.lexer import ( |
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38 | from pygments.lexer import ( | |
39 | Lexer, DelegatingLexer, RegexLexer, do_insertions, bygroups, using, |
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39 | Lexer, DelegatingLexer, RegexLexer, do_insertions, bygroups, using, | |
40 | ) |
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40 | ) | |
41 | from pygments.token import ( |
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41 | from pygments.token import ( | |
42 | Comment, Generic, Keyword, Literal, Name, Operator, Other, Text, Error, |
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42 | Comment, Generic, Keyword, Literal, Name, Operator, Other, Text, Error, | |
43 | ) |
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43 | ) | |
44 | from pygments.util import get_bool_opt |
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44 | from pygments.util import get_bool_opt | |
45 |
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45 | |||
46 | # Local |
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46 | # Local | |
47 | from IPython.testing.skipdoctest import skip_doctest |
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47 | from IPython.testing.skipdoctest import skip_doctest | |
48 |
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48 | |||
49 | line_re = re.compile('.*?\n') |
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49 | line_re = re.compile('.*?\n') | |
50 |
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50 | |||
51 | ipython_tokens = [ |
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51 | ipython_tokens = [ | |
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52 | (r"(?s)(\s*)(%%)(\w+)(.*)", bygroups(Text, Operator, Keyword, Text)), | |||
52 | (r'(%)(sx|sc|system)(.*)(\n)', bygroups(Operator, Keyword, |
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53 | (r'(%)(sx|sc|system)(.*)(\n)', bygroups(Operator, Keyword, | |
53 | using(BashLexer), Text)), |
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54 | using(BashLexer), Text)), | |
54 | (r'(%)(\w+)(.*\n)', bygroups(Operator, Keyword, Text)), |
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55 | (r'(%)(\w+)(.*\n)', bygroups(Operator, Keyword, Text)), | |
55 | (r'^(!)(.+)(\n)', bygroups(Operator, using(BashLexer), Text)), |
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56 | (r'^(!)(.+)(\n)', bygroups(Operator, using(BashLexer), Text)), | |
56 | (r'^(.+)(=)(\s*)(!)(.+)(\n)', bygroups( |
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57 | (r'^(.+)(=)(\s*)(!)(.+)(\n)', bygroups( | |
57 | # With the limited syntax allowed on the l.h.s. of a shell capture, |
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58 | # With the limited syntax allowed on the l.h.s. of a shell capture, | |
58 | # we don't need to differentiate between Python 2 and 3. |
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59 | # we don't need to differentiate between Python 2 and 3. | |
59 | using(Python3Lexer), Operator, Text, Operator, using(BashLexer), Text)), |
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60 | using(Python3Lexer), Operator, Text, Operator, using(BashLexer), Text)), | |
60 | ] |
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61 | ] | |
61 |
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62 | |||
62 | def build_ipy_lexer(python3): |
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63 | def build_ipy_lexer(python3): | |
63 | """Builds IPython lexers depending on the value of `python3`. |
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64 | """Builds IPython lexers depending on the value of `python3`. | |
64 |
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65 | |||
65 | The lexer inherits from an appropriate Python lexer and then adds |
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66 | The lexer inherits from an appropriate Python lexer and then adds | |
66 | information about IPython specific keywords (i.e. magic commands, |
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67 | information about IPython specific keywords (i.e. magic commands, | |
67 | shell commands, etc.) |
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68 | shell commands, etc.) | |
68 |
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69 | |||
69 | Parameters |
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70 | Parameters | |
70 | ---------- |
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71 | ---------- | |
71 | python3 : bool |
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72 | python3 : bool | |
72 | If `True`, then build an IPython lexer from a Python 3 lexer. |
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73 | If `True`, then build an IPython lexer from a Python 3 lexer. | |
73 |
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74 | |||
74 | """ |
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75 | """ | |
75 | # It would be nice to have a single IPython lexer class which takes |
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76 | # It would be nice to have a single IPython lexer class which takes | |
76 | # a boolean `python3`. But since there are two Python lexer classes, |
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77 | # a boolean `python3`. But since there are two Python lexer classes, | |
77 | # we will also have two IPython lexer classes. |
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78 | # we will also have two IPython lexer classes. | |
78 | if python3: |
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79 | if python3: | |
79 | PyLexer = Python3Lexer |
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80 | PyLexer = Python3Lexer | |
80 | clsname = 'IPython3Lexer' |
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81 | clsname = 'IPython3Lexer' | |
81 | name = 'IPython3' |
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82 | name = 'IPython3' | |
82 | aliases = ['ipython3'] |
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83 | aliases = ['ipython3'] | |
83 | doc = """IPython3 Lexer""" |
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84 | doc = """IPython3 Lexer""" | |
84 | else: |
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85 | else: | |
85 | PyLexer = PythonLexer |
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86 | PyLexer = PythonLexer | |
86 | clsname = 'IPythonLexer' |
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87 | clsname = 'IPythonLexer' | |
87 | name = 'IPython' |
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88 | name = 'IPython' | |
88 | aliases = ['ipython2', 'ipython'] |
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89 | aliases = ['ipython2', 'ipython'] | |
89 | doc = """IPython Lexer""" |
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90 | doc = """IPython Lexer""" | |
90 |
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91 | |||
91 | tokens = PyLexer.tokens.copy() |
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92 | tokens = PyLexer.tokens.copy() | |
92 | tokens['root'] = ipython_tokens + tokens['root'] |
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93 | tokens['root'] = ipython_tokens + tokens['root'] | |
93 |
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94 | |||
94 | attrs = {'name': name, 'aliases': aliases, |
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95 | attrs = {'name': name, 'aliases': aliases, | |
95 | '__doc__': doc, 'tokens': tokens} |
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96 | '__doc__': doc, 'tokens': tokens} | |
96 |
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97 | |||
97 | return type(name, (PyLexer,), attrs) |
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98 | return type(name, (PyLexer,), attrs) | |
98 |
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99 | |||
99 |
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100 | |||
100 | IPython3Lexer = build_ipy_lexer(python3=True) |
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101 | IPython3Lexer = build_ipy_lexer(python3=True) | |
101 | IPythonLexer = build_ipy_lexer(python3=False) |
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102 | IPythonLexer = build_ipy_lexer(python3=False) | |
102 |
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103 | |||
103 |
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104 | |||
104 | class IPythonPartialTracebackLexer(RegexLexer): |
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105 | class IPythonPartialTracebackLexer(RegexLexer): | |
105 | """ |
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106 | """ | |
106 | Partial lexer for IPython tracebacks. |
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107 | Partial lexer for IPython tracebacks. | |
107 |
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108 | |||
108 | Handles all the non-python output. This works for both Python 2.x and 3.x. |
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109 | Handles all the non-python output. This works for both Python 2.x and 3.x. | |
109 |
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110 | |||
110 | """ |
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111 | """ | |
111 | name = 'IPython Partial Traceback' |
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112 | name = 'IPython Partial Traceback' | |
112 |
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113 | |||
113 | tokens = { |
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114 | tokens = { | |
114 | 'root': [ |
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115 | 'root': [ | |
115 | # Tracebacks for syntax errors have a different style. |
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116 | # Tracebacks for syntax errors have a different style. | |
116 | # For both types of tracebacks, we mark the first line with |
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117 | # For both types of tracebacks, we mark the first line with | |
117 | # Generic.Traceback. For syntax errors, we mark the filename |
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118 | # Generic.Traceback. For syntax errors, we mark the filename | |
118 | # as we mark the filenames for non-syntax tracebacks. |
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119 | # as we mark the filenames for non-syntax tracebacks. | |
119 | # |
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120 | # | |
120 | # These two regexps define how IPythonConsoleLexer finds a |
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121 | # These two regexps define how IPythonConsoleLexer finds a | |
121 | # traceback. |
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122 | # traceback. | |
122 | # |
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123 | # | |
123 | ## Non-syntax traceback |
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124 | ## Non-syntax traceback | |
124 | (r'^(\^C)?(-+\n)', bygroups(Error, Generic.Traceback)), |
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125 | (r'^(\^C)?(-+\n)', bygroups(Error, Generic.Traceback)), | |
125 | ## Syntax traceback |
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126 | ## Syntax traceback | |
126 | (r'^( File)(.*)(, line )(\d+\n)', |
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127 | (r'^( File)(.*)(, line )(\d+\n)', | |
127 | bygroups(Generic.Traceback, Name.Namespace, |
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128 | bygroups(Generic.Traceback, Name.Namespace, | |
128 | Generic.Traceback, Literal.Number.Integer)), |
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129 | Generic.Traceback, Literal.Number.Integer)), | |
129 |
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130 | |||
130 | # (Exception Identifier)(Whitespace)(Traceback Message) |
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131 | # (Exception Identifier)(Whitespace)(Traceback Message) | |
131 | (r'(?u)(^[^\d\W]\w*)(\s*)(Traceback.*?\n)', |
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132 | (r'(?u)(^[^\d\W]\w*)(\s*)(Traceback.*?\n)', | |
132 | bygroups(Name.Exception, Generic.Whitespace, Text)), |
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133 | bygroups(Name.Exception, Generic.Whitespace, Text)), | |
133 | # (Module/Filename)(Text)(Callee)(Function Signature) |
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134 | # (Module/Filename)(Text)(Callee)(Function Signature) | |
134 | # Better options for callee and function signature? |
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135 | # Better options for callee and function signature? | |
135 | (r'(.*)( in )(.*)(\(.*\)\n)', |
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136 | (r'(.*)( in )(.*)(\(.*\)\n)', | |
136 | bygroups(Name.Namespace, Text, Name.Entity, Name.Tag)), |
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137 | bygroups(Name.Namespace, Text, Name.Entity, Name.Tag)), | |
137 | # Regular line: (Whitespace)(Line Number)(Python Code) |
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138 | # Regular line: (Whitespace)(Line Number)(Python Code) | |
138 | (r'(\s*?)(\d+)(.*?\n)', |
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139 | (r'(\s*?)(\d+)(.*?\n)', | |
139 | bygroups(Generic.Whitespace, Literal.Number.Integer, Other)), |
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140 | bygroups(Generic.Whitespace, Literal.Number.Integer, Other)), | |
140 | # Emphasized line: (Arrow)(Line Number)(Python Code) |
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141 | # Emphasized line: (Arrow)(Line Number)(Python Code) | |
141 | # Using Exception token so arrow color matches the Exception. |
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142 | # Using Exception token so arrow color matches the Exception. | |
142 | (r'(-*>?\s?)(\d+)(.*?\n)', |
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143 | (r'(-*>?\s?)(\d+)(.*?\n)', | |
143 | bygroups(Name.Exception, Literal.Number.Integer, Other)), |
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144 | bygroups(Name.Exception, Literal.Number.Integer, Other)), | |
144 | # (Exception Identifier)(Message) |
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145 | # (Exception Identifier)(Message) | |
145 | (r'(?u)(^[^\d\W]\w*)(:.*?\n)', |
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146 | (r'(?u)(^[^\d\W]\w*)(:.*?\n)', | |
146 | bygroups(Name.Exception, Text)), |
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147 | bygroups(Name.Exception, Text)), | |
147 | # Tag everything else as Other, will be handled later. |
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148 | # Tag everything else as Other, will be handled later. | |
148 | (r'.*\n', Other), |
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149 | (r'.*\n', Other), | |
149 | ], |
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150 | ], | |
150 | } |
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151 | } | |
151 |
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152 | |||
152 |
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153 | |||
153 | class IPythonTracebackLexer(DelegatingLexer): |
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154 | class IPythonTracebackLexer(DelegatingLexer): | |
154 | """ |
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155 | """ | |
155 | IPython traceback lexer. |
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156 | IPython traceback lexer. | |
156 |
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157 | |||
157 | For doctests, the tracebacks can be snipped as much as desired with the |
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158 | For doctests, the tracebacks can be snipped as much as desired with the | |
158 | exception to the lines that designate a traceback. For non-syntax error |
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159 | exception to the lines that designate a traceback. For non-syntax error | |
159 | tracebacks, this is the line of hyphens. For syntax error tracebacks, |
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160 | tracebacks, this is the line of hyphens. For syntax error tracebacks, | |
160 | this is the line which lists the File and line number. |
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161 | this is the line which lists the File and line number. | |
161 |
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162 | |||
162 | """ |
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163 | """ | |
163 | # The lexer inherits from DelegatingLexer. The "root" lexer is an |
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164 | # The lexer inherits from DelegatingLexer. The "root" lexer is an | |
164 | # appropriate IPython lexer, which depends on the value of the boolean |
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165 | # appropriate IPython lexer, which depends on the value of the boolean | |
165 | # `python3`. First, we parse with the partial IPython traceback lexer. |
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166 | # `python3`. First, we parse with the partial IPython traceback lexer. | |
166 | # Then, any code marked with the "Other" token is delegated to the root |
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167 | # Then, any code marked with the "Other" token is delegated to the root | |
167 | # lexer. |
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168 | # lexer. | |
168 | # |
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169 | # | |
169 | name = 'IPython Traceback' |
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170 | name = 'IPython Traceback' | |
170 | aliases = ['ipythontb'] |
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171 | aliases = ['ipythontb'] | |
171 |
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172 | |||
172 | def __init__(self, **options): |
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173 | def __init__(self, **options): | |
173 | self.python3 = get_bool_opt(options, 'python3', False) |
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174 | self.python3 = get_bool_opt(options, 'python3', False) | |
174 | if self.python3: |
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175 | if self.python3: | |
175 | self.aliases = ['ipython3tb'] |
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176 | self.aliases = ['ipython3tb'] | |
176 | else: |
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177 | else: | |
177 | self.aliases = ['ipython2tb', 'ipythontb'] |
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178 | self.aliases = ['ipython2tb', 'ipythontb'] | |
178 |
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179 | |||
179 | if self.python3: |
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180 | if self.python3: | |
180 | IPyLexer = IPython3Lexer |
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181 | IPyLexer = IPython3Lexer | |
181 | else: |
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182 | else: | |
182 | IPyLexer = IPythonLexer |
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183 | IPyLexer = IPythonLexer | |
183 |
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184 | |||
184 | DelegatingLexer.__init__(self, IPyLexer, |
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185 | DelegatingLexer.__init__(self, IPyLexer, | |
185 | IPythonPartialTracebackLexer, **options) |
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186 | IPythonPartialTracebackLexer, **options) | |
186 |
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187 | |||
187 | @skip_doctest |
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188 | @skip_doctest | |
188 | class IPythonConsoleLexer(Lexer): |
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189 | class IPythonConsoleLexer(Lexer): | |
189 | """ |
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190 | """ | |
190 | An IPython console lexer for IPython code-blocks and doctests, such as: |
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191 | An IPython console lexer for IPython code-blocks and doctests, such as: | |
191 |
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192 | |||
192 | .. code-block:: rst |
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193 | .. code-block:: rst | |
193 |
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194 | |||
194 | .. code-block:: ipythonconsole |
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195 | .. code-block:: ipythonconsole | |
195 |
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196 | |||
196 | In [1]: a = 'foo' |
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197 | In [1]: a = 'foo' | |
197 |
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198 | |||
198 | In [2]: a |
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199 | In [2]: a | |
199 | Out[2]: 'foo' |
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200 | Out[2]: 'foo' | |
200 |
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201 | |||
201 | In [3]: print a |
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202 | In [3]: print a | |
202 | foo |
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203 | foo | |
203 |
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204 | |||
204 | In [4]: 1 / 0 |
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205 | In [4]: 1 / 0 | |
205 |
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206 | |||
206 |
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207 | |||
207 | Support is also provided for IPython exceptions: |
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208 | Support is also provided for IPython exceptions: | |
208 |
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209 | |||
209 | .. code-block:: rst |
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210 | .. code-block:: rst | |
210 |
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211 | |||
211 | .. code-block:: ipythonconsole |
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212 | .. code-block:: ipythonconsole | |
212 |
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213 | |||
213 | In [1]: raise Exception |
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214 | In [1]: raise Exception | |
214 |
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215 | |||
215 | --------------------------------------------------------------------------- |
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216 | --------------------------------------------------------------------------- | |
216 | Exception Traceback (most recent call last) |
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217 | Exception Traceback (most recent call last) | |
217 | <ipython-input-1-fca2ab0ca76b> in <module>() |
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218 | <ipython-input-1-fca2ab0ca76b> in <module>() | |
218 | ----> 1 raise Exception |
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219 | ----> 1 raise Exception | |
219 |
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220 | |||
220 | Exception: |
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221 | Exception: | |
221 |
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222 | |||
222 | """ |
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223 | """ | |
223 | name = 'IPython console session' |
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224 | name = 'IPython console session' | |
224 | aliases = ['ipythonconsole'] |
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225 | aliases = ['ipythonconsole'] | |
225 | mimetypes = ['text/x-ipython-console'] |
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226 | mimetypes = ['text/x-ipython-console'] | |
226 |
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227 | |||
227 | # The regexps used to determine what is input and what is output. |
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228 | # The regexps used to determine what is input and what is output. | |
228 | # The default prompts for IPython are: |
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229 | # The default prompts for IPython are: | |
229 | # |
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230 | # | |
230 | # c.PromptManager.in_template = 'In [\#]: ' |
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231 | # c.PromptManager.in_template = 'In [\#]: ' | |
231 | # c.PromptManager.in2_template = ' .\D.: ' |
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232 | # c.PromptManager.in2_template = ' .\D.: ' | |
232 | # c.PromptManager.out_template = 'Out[\#]: ' |
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233 | # c.PromptManager.out_template = 'Out[\#]: ' | |
233 | # |
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234 | # | |
234 | in1_regex = r'In \[[0-9]+\]: ' |
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235 | in1_regex = r'In \[[0-9]+\]: ' | |
235 | in2_regex = r' \.\.+\.: ' |
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236 | in2_regex = r' \.\.+\.: ' | |
236 | out_regex = r'Out\[[0-9]+\]: ' |
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237 | out_regex = r'Out\[[0-9]+\]: ' | |
237 |
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238 | |||
238 | #: The regex to determine when a traceback starts. |
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239 | #: The regex to determine when a traceback starts. | |
239 | ipytb_start = re.compile(r'^(\^C)?(-+\n)|^( File)(.*)(, line )(\d+\n)') |
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240 | ipytb_start = re.compile(r'^(\^C)?(-+\n)|^( File)(.*)(, line )(\d+\n)') | |
240 |
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241 | |||
241 | def __init__(self, **options): |
|
242 | def __init__(self, **options): | |
242 | """Initialize the IPython console lexer. |
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243 | """Initialize the IPython console lexer. | |
243 |
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244 | |||
244 | Parameters |
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245 | Parameters | |
245 | ---------- |
|
246 | ---------- | |
246 | python3 : bool |
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247 | python3 : bool | |
247 | If `True`, then the console inputs are parsed using a Python 3 |
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248 | If `True`, then the console inputs are parsed using a Python 3 | |
248 | lexer. Otherwise, they are parsed using a Python 2 lexer. |
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249 | lexer. Otherwise, they are parsed using a Python 2 lexer. | |
249 | in1_regex : RegexObject |
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250 | in1_regex : RegexObject | |
250 | The compiled regular expression used to detect the start |
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251 | The compiled regular expression used to detect the start | |
251 | of inputs. Although the IPython configuration setting may have a |
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252 | of inputs. Although the IPython configuration setting may have a | |
252 | trailing whitespace, do not include it in the regex. If `None`, |
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253 | trailing whitespace, do not include it in the regex. If `None`, | |
253 | then the default input prompt is assumed. |
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254 | then the default input prompt is assumed. | |
254 | in2_regex : RegexObject |
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255 | in2_regex : RegexObject | |
255 | The compiled regular expression used to detect the continuation |
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256 | The compiled regular expression used to detect the continuation | |
256 | of inputs. Although the IPython configuration setting may have a |
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257 | of inputs. Although the IPython configuration setting may have a | |
257 | trailing whitespace, do not include it in the regex. If `None`, |
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258 | trailing whitespace, do not include it in the regex. If `None`, | |
258 | then the default input prompt is assumed. |
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259 | then the default input prompt is assumed. | |
259 | out_regex : RegexObject |
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260 | out_regex : RegexObject | |
260 | The compiled regular expression used to detect outputs. If `None`, |
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261 | The compiled regular expression used to detect outputs. If `None`, | |
261 | then the default output prompt is assumed. |
|
262 | then the default output prompt is assumed. | |
262 |
|
263 | |||
263 | """ |
|
264 | """ | |
264 | self.python3 = get_bool_opt(options, 'python3', False) |
|
265 | self.python3 = get_bool_opt(options, 'python3', False) | |
265 | if self.python3: |
|
266 | if self.python3: | |
266 | self.aliases = ['ipython3console'] |
|
267 | self.aliases = ['ipython3console'] | |
267 | else: |
|
268 | else: | |
268 | self.aliases = ['ipython2console', 'ipythonconsole'] |
|
269 | self.aliases = ['ipython2console', 'ipythonconsole'] | |
269 |
|
270 | |||
270 | in1_regex = options.get('in1_regex', self.in1_regex) |
|
271 | in1_regex = options.get('in1_regex', self.in1_regex) | |
271 | in2_regex = options.get('in2_regex', self.in2_regex) |
|
272 | in2_regex = options.get('in2_regex', self.in2_regex) | |
272 | out_regex = options.get('out_regex', self.out_regex) |
|
273 | out_regex = options.get('out_regex', self.out_regex) | |
273 |
|
274 | |||
274 | # So that we can work with input and output prompts which have been |
|
275 | # So that we can work with input and output prompts which have been | |
275 | # rstrip'd (possibly by editors) we also need rstrip'd variants. If |
|
276 | # rstrip'd (possibly by editors) we also need rstrip'd variants. If | |
276 | # we do not do this, then such prompts will be tagged as 'output'. |
|
277 | # we do not do this, then such prompts will be tagged as 'output'. | |
277 | # The reason can't just use the rstrip'd variants instead is because |
|
278 | # The reason can't just use the rstrip'd variants instead is because | |
278 | # we want any whitespace associated with the prompt to be inserted |
|
279 | # we want any whitespace associated with the prompt to be inserted | |
279 | # with the token. This allows formatted code to be modified so as hide |
|
280 | # with the token. This allows formatted code to be modified so as hide | |
280 | # the appearance of prompts, with the whitespace included. One example |
|
281 | # the appearance of prompts, with the whitespace included. One example | |
281 | # use of this is in copybutton.js from the standard lib Python docs. |
|
282 | # use of this is in copybutton.js from the standard lib Python docs. | |
282 | in1_regex_rstrip = in1_regex.rstrip() + '\n' |
|
283 | in1_regex_rstrip = in1_regex.rstrip() + '\n' | |
283 | in2_regex_rstrip = in2_regex.rstrip() + '\n' |
|
284 | in2_regex_rstrip = in2_regex.rstrip() + '\n' | |
284 | out_regex_rstrip = out_regex.rstrip() + '\n' |
|
285 | out_regex_rstrip = out_regex.rstrip() + '\n' | |
285 |
|
286 | |||
286 | # Compile and save them all. |
|
287 | # Compile and save them all. | |
287 | attrs = ['in1_regex', 'in2_regex', 'out_regex', |
|
288 | attrs = ['in1_regex', 'in2_regex', 'out_regex', | |
288 | 'in1_regex_rstrip', 'in2_regex_rstrip', 'out_regex_rstrip'] |
|
289 | 'in1_regex_rstrip', 'in2_regex_rstrip', 'out_regex_rstrip'] | |
289 | for attr in attrs: |
|
290 | for attr in attrs: | |
290 | self.__setattr__(attr, re.compile(locals()[attr])) |
|
291 | self.__setattr__(attr, re.compile(locals()[attr])) | |
291 |
|
292 | |||
292 | Lexer.__init__(self, **options) |
|
293 | Lexer.__init__(self, **options) | |
293 |
|
294 | |||
294 | if self.python3: |
|
295 | if self.python3: | |
295 | pylexer = IPython3Lexer |
|
296 | pylexer = IPython3Lexer | |
296 | tblexer = IPythonTracebackLexer |
|
297 | tblexer = IPythonTracebackLexer | |
297 | else: |
|
298 | else: | |
298 | pylexer = IPythonLexer |
|
299 | pylexer = IPythonLexer | |
299 | tblexer = IPythonTracebackLexer |
|
300 | tblexer = IPythonTracebackLexer | |
300 |
|
301 | |||
301 | self.pylexer = pylexer(**options) |
|
302 | self.pylexer = pylexer(**options) | |
302 | self.tblexer = tblexer(**options) |
|
303 | self.tblexer = tblexer(**options) | |
303 |
|
304 | |||
304 | self.reset() |
|
305 | self.reset() | |
305 |
|
306 | |||
306 | def reset(self): |
|
307 | def reset(self): | |
307 | self.mode = 'output' |
|
308 | self.mode = 'output' | |
308 | self.index = 0 |
|
309 | self.index = 0 | |
309 | self.buffer = u'' |
|
310 | self.buffer = u'' | |
310 | self.insertions = [] |
|
311 | self.insertions = [] | |
311 |
|
312 | |||
312 | def buffered_tokens(self): |
|
313 | def buffered_tokens(self): | |
313 | """ |
|
314 | """ | |
314 | Generator of unprocessed tokens after doing insertions and before |
|
315 | Generator of unprocessed tokens after doing insertions and before | |
315 | changing to a new state. |
|
316 | changing to a new state. | |
316 |
|
317 | |||
317 | """ |
|
318 | """ | |
318 | if self.mode == 'output': |
|
319 | if self.mode == 'output': | |
319 | tokens = [(0, Generic.Output, self.buffer)] |
|
320 | tokens = [(0, Generic.Output, self.buffer)] | |
320 | elif self.mode == 'input': |
|
321 | elif self.mode == 'input': | |
321 | tokens = self.pylexer.get_tokens_unprocessed(self.buffer) |
|
322 | tokens = self.pylexer.get_tokens_unprocessed(self.buffer) | |
322 | else: # traceback |
|
323 | else: # traceback | |
323 | tokens = self.tblexer.get_tokens_unprocessed(self.buffer) |
|
324 | tokens = self.tblexer.get_tokens_unprocessed(self.buffer) | |
324 |
|
325 | |||
325 | for i, t, v in do_insertions(self.insertions, tokens): |
|
326 | for i, t, v in do_insertions(self.insertions, tokens): | |
326 | # All token indexes are relative to the buffer. |
|
327 | # All token indexes are relative to the buffer. | |
327 | yield self.index + i, t, v |
|
328 | yield self.index + i, t, v | |
328 |
|
329 | |||
329 | # Clear it all |
|
330 | # Clear it all | |
330 | self.index += len(self.buffer) |
|
331 | self.index += len(self.buffer) | |
331 | self.buffer = u'' |
|
332 | self.buffer = u'' | |
332 | self.insertions = [] |
|
333 | self.insertions = [] | |
333 |
|
334 | |||
334 | def get_mci(self, line): |
|
335 | def get_mci(self, line): | |
335 | """ |
|
336 | """ | |
336 | Parses the line and returns a 3-tuple: (mode, code, insertion). |
|
337 | Parses the line and returns a 3-tuple: (mode, code, insertion). | |
337 |
|
338 | |||
338 | `mode` is the next mode (or state) of the lexer, and is always equal |
|
339 | `mode` is the next mode (or state) of the lexer, and is always equal | |
339 | to 'input', 'output', or 'tb'. |
|
340 | to 'input', 'output', or 'tb'. | |
340 |
|
341 | |||
341 | `code` is a portion of the line that should be added to the buffer |
|
342 | `code` is a portion of the line that should be added to the buffer | |
342 | corresponding to the next mode and eventually lexed by another lexer. |
|
343 | corresponding to the next mode and eventually lexed by another lexer. | |
343 | For example, `code` could be Python code if `mode` were 'input'. |
|
344 | For example, `code` could be Python code if `mode` were 'input'. | |
344 |
|
345 | |||
345 | `insertion` is a 3-tuple (index, token, text) representing an |
|
346 | `insertion` is a 3-tuple (index, token, text) representing an | |
346 | unprocessed "token" that will be inserted into the stream of tokens |
|
347 | unprocessed "token" that will be inserted into the stream of tokens | |
347 | that are created from the buffer once we change modes. This is usually |
|
348 | that are created from the buffer once we change modes. This is usually | |
348 | the input or output prompt. |
|
349 | the input or output prompt. | |
349 |
|
350 | |||
350 | In general, the next mode depends on current mode and on the contents |
|
351 | In general, the next mode depends on current mode and on the contents | |
351 | of `line`. |
|
352 | of `line`. | |
352 |
|
353 | |||
353 | """ |
|
354 | """ | |
354 | # To reduce the number of regex match checks, we have multiple |
|
355 | # To reduce the number of regex match checks, we have multiple | |
355 | # 'if' blocks instead of 'if-elif' blocks. |
|
356 | # 'if' blocks instead of 'if-elif' blocks. | |
356 |
|
357 | |||
357 | # Check for possible end of input |
|
358 | # Check for possible end of input | |
358 | in2_match = self.in2_regex.match(line) |
|
359 | in2_match = self.in2_regex.match(line) | |
359 | in2_match_rstrip = self.in2_regex_rstrip.match(line) |
|
360 | in2_match_rstrip = self.in2_regex_rstrip.match(line) | |
360 | if (in2_match and in2_match.group().rstrip() == line.rstrip()) or \ |
|
361 | if (in2_match and in2_match.group().rstrip() == line.rstrip()) or \ | |
361 | in2_match_rstrip: |
|
362 | in2_match_rstrip: | |
362 | end_input = True |
|
363 | end_input = True | |
363 | else: |
|
364 | else: | |
364 | end_input = False |
|
365 | end_input = False | |
365 | if end_input and self.mode != 'tb': |
|
366 | if end_input and self.mode != 'tb': | |
366 | # Only look for an end of input when not in tb mode. |
|
367 | # Only look for an end of input when not in tb mode. | |
367 | # An ellipsis could appear within the traceback. |
|
368 | # An ellipsis could appear within the traceback. | |
368 | mode = 'output' |
|
369 | mode = 'output' | |
369 | code = u'' |
|
370 | code = u'' | |
370 | insertion = (0, Generic.Prompt, line) |
|
371 | insertion = (0, Generic.Prompt, line) | |
371 | return mode, code, insertion |
|
372 | return mode, code, insertion | |
372 |
|
373 | |||
373 | # Check for output prompt |
|
374 | # Check for output prompt | |
374 | out_match = self.out_regex.match(line) |
|
375 | out_match = self.out_regex.match(line) | |
375 | out_match_rstrip = self.out_regex_rstrip.match(line) |
|
376 | out_match_rstrip = self.out_regex_rstrip.match(line) | |
376 | if out_match or out_match_rstrip: |
|
377 | if out_match or out_match_rstrip: | |
377 | mode = 'output' |
|
378 | mode = 'output' | |
378 | if out_match: |
|
379 | if out_match: | |
379 | idx = out_match.end() |
|
380 | idx = out_match.end() | |
380 | else: |
|
381 | else: | |
381 | idx = out_match_rstrip.end() |
|
382 | idx = out_match_rstrip.end() | |
382 | code = line[idx:] |
|
383 | code = line[idx:] | |
383 | # Use the 'heading' token for output. We cannot use Generic.Error |
|
384 | # Use the 'heading' token for output. We cannot use Generic.Error | |
384 | # since it would conflict with exceptions. |
|
385 | # since it would conflict with exceptions. | |
385 | insertion = (0, Generic.Heading, line[:idx]) |
|
386 | insertion = (0, Generic.Heading, line[:idx]) | |
386 | return mode, code, insertion |
|
387 | return mode, code, insertion | |
387 |
|
388 | |||
388 |
|
389 | |||
389 | # Check for input or continuation prompt (non stripped version) |
|
390 | # Check for input or continuation prompt (non stripped version) | |
390 | in1_match = self.in1_regex.match(line) |
|
391 | in1_match = self.in1_regex.match(line) | |
391 | if in1_match or (in2_match and self.mode != 'tb'): |
|
392 | if in1_match or (in2_match and self.mode != 'tb'): | |
392 | # New input or when not in tb, continued input. |
|
393 | # New input or when not in tb, continued input. | |
393 | # We do not check for continued input when in tb since it is |
|
394 | # We do not check for continued input when in tb since it is | |
394 | # allowable to replace a long stack with an ellipsis. |
|
395 | # allowable to replace a long stack with an ellipsis. | |
395 | mode = 'input' |
|
396 | mode = 'input' | |
396 | if in1_match: |
|
397 | if in1_match: | |
397 | idx = in1_match.end() |
|
398 | idx = in1_match.end() | |
398 | else: # in2_match |
|
399 | else: # in2_match | |
399 | idx = in2_match.end() |
|
400 | idx = in2_match.end() | |
400 | code = line[idx:] |
|
401 | code = line[idx:] | |
401 | insertion = (0, Generic.Prompt, line[:idx]) |
|
402 | insertion = (0, Generic.Prompt, line[:idx]) | |
402 | return mode, code, insertion |
|
403 | return mode, code, insertion | |
403 |
|
404 | |||
404 | # Check for input or continuation prompt (stripped version) |
|
405 | # Check for input or continuation prompt (stripped version) | |
405 | in1_match_rstrip = self.in1_regex_rstrip.match(line) |
|
406 | in1_match_rstrip = self.in1_regex_rstrip.match(line) | |
406 | if in1_match_rstrip or (in2_match_rstrip and self.mode != 'tb'): |
|
407 | if in1_match_rstrip or (in2_match_rstrip and self.mode != 'tb'): | |
407 | # New input or when not in tb, continued input. |
|
408 | # New input or when not in tb, continued input. | |
408 | # We do not check for continued input when in tb since it is |
|
409 | # We do not check for continued input when in tb since it is | |
409 | # allowable to replace a long stack with an ellipsis. |
|
410 | # allowable to replace a long stack with an ellipsis. | |
410 | mode = 'input' |
|
411 | mode = 'input' | |
411 | if in1_match_rstrip: |
|
412 | if in1_match_rstrip: | |
412 | idx = in1_match_rstrip.end() |
|
413 | idx = in1_match_rstrip.end() | |
413 | else: # in2_match |
|
414 | else: # in2_match | |
414 | idx = in2_match_rstrip.end() |
|
415 | idx = in2_match_rstrip.end() | |
415 | code = line[idx:] |
|
416 | code = line[idx:] | |
416 | insertion = (0, Generic.Prompt, line[:idx]) |
|
417 | insertion = (0, Generic.Prompt, line[:idx]) | |
417 | return mode, code, insertion |
|
418 | return mode, code, insertion | |
418 |
|
419 | |||
419 | # Check for traceback |
|
420 | # Check for traceback | |
420 | if self.ipytb_start.match(line): |
|
421 | if self.ipytb_start.match(line): | |
421 | mode = 'tb' |
|
422 | mode = 'tb' | |
422 | code = line |
|
423 | code = line | |
423 | insertion = None |
|
424 | insertion = None | |
424 | return mode, code, insertion |
|
425 | return mode, code, insertion | |
425 |
|
426 | |||
426 | # All other stuff... |
|
427 | # All other stuff... | |
427 | if self.mode in ('input', 'output'): |
|
428 | if self.mode in ('input', 'output'): | |
428 | # We assume all other text is output. Multiline input that |
|
429 | # We assume all other text is output. Multiline input that | |
429 | # does not use the continuation marker cannot be detected. |
|
430 | # does not use the continuation marker cannot be detected. | |
430 | # For example, the 3 in the following is clearly output: |
|
431 | # For example, the 3 in the following is clearly output: | |
431 | # |
|
432 | # | |
432 | # In [1]: print 3 |
|
433 | # In [1]: print 3 | |
433 | # 3 |
|
434 | # 3 | |
434 | # |
|
435 | # | |
435 | # But the following second line is part of the input: |
|
436 | # But the following second line is part of the input: | |
436 | # |
|
437 | # | |
437 | # In [2]: while True: |
|
438 | # In [2]: while True: | |
438 | # print True |
|
439 | # print True | |
439 | # |
|
440 | # | |
440 | # In both cases, the 2nd line will be 'output'. |
|
441 | # In both cases, the 2nd line will be 'output'. | |
441 | # |
|
442 | # | |
442 | mode = 'output' |
|
443 | mode = 'output' | |
443 | else: |
|
444 | else: | |
444 | mode = 'tb' |
|
445 | mode = 'tb' | |
445 |
|
446 | |||
446 | code = line |
|
447 | code = line | |
447 | insertion = None |
|
448 | insertion = None | |
448 |
|
449 | |||
449 | return mode, code, insertion |
|
450 | return mode, code, insertion | |
450 |
|
451 | |||
451 | def get_tokens_unprocessed(self, text): |
|
452 | def get_tokens_unprocessed(self, text): | |
452 | self.reset() |
|
453 | self.reset() | |
453 | for match in line_re.finditer(text): |
|
454 | for match in line_re.finditer(text): | |
454 | line = match.group() |
|
455 | line = match.group() | |
455 | mode, code, insertion = self.get_mci(line) |
|
456 | mode, code, insertion = self.get_mci(line) | |
456 |
|
457 | |||
457 | if mode != self.mode: |
|
458 | if mode != self.mode: | |
458 | # Yield buffered tokens before transitioning to new mode. |
|
459 | # Yield buffered tokens before transitioning to new mode. | |
459 | for token in self.buffered_tokens(): |
|
460 | for token in self.buffered_tokens(): | |
460 | yield token |
|
461 | yield token | |
461 | self.mode = mode |
|
462 | self.mode = mode | |
462 |
|
463 | |||
463 | if insertion: |
|
464 | if insertion: | |
464 | self.insertions.append((len(self.buffer), [insertion])) |
|
465 | self.insertions.append((len(self.buffer), [insertion])) | |
465 | self.buffer += code |
|
466 | self.buffer += code | |
466 | else: |
|
467 | else: | |
467 | for token in self.buffered_tokens(): |
|
468 | for token in self.buffered_tokens(): | |
468 | yield token |
|
469 | yield token | |
469 |
|
470 | |||
470 | class IPyLexer(Lexer): |
|
471 | class IPyLexer(Lexer): | |
471 | """ |
|
472 | """ | |
472 | Primary lexer for all IPython-like code. |
|
473 | Primary lexer for all IPython-like code. | |
473 |
|
474 | |||
474 | This is a simple helper lexer. If the first line of the text begins with |
|
475 | This is a simple helper lexer. If the first line of the text begins with | |
475 | "In \[[0-9]+\]:", then the entire text is parsed with an IPython console |
|
476 | "In \[[0-9]+\]:", then the entire text is parsed with an IPython console | |
476 | lexer. If not, then the entire text is parsed with an IPython lexer. |
|
477 | lexer. If not, then the entire text is parsed with an IPython lexer. | |
477 |
|
478 | |||
478 | The goal is to reduce the number of lexers that are registered |
|
479 | The goal is to reduce the number of lexers that are registered | |
479 | with Pygments. |
|
480 | with Pygments. | |
480 |
|
481 | |||
481 | """ |
|
482 | """ | |
482 | name = 'IPy session' |
|
483 | name = 'IPy session' | |
483 | aliases = ['ipy'] |
|
484 | aliases = ['ipy'] | |
484 |
|
485 | |||
485 | def __init__(self, **options): |
|
486 | def __init__(self, **options): | |
486 | self.python3 = get_bool_opt(options, 'python3', False) |
|
487 | self.python3 = get_bool_opt(options, 'python3', False) | |
487 | if self.python3: |
|
488 | if self.python3: | |
488 | self.aliases = ['ipy3'] |
|
489 | self.aliases = ['ipy3'] | |
489 | else: |
|
490 | else: | |
490 | self.aliases = ['ipy2', 'ipy'] |
|
491 | self.aliases = ['ipy2', 'ipy'] | |
491 |
|
492 | |||
492 | Lexer.__init__(self, **options) |
|
493 | Lexer.__init__(self, **options) | |
493 |
|
494 | |||
494 | self.IPythonLexer = IPythonLexer(**options) |
|
495 | self.IPythonLexer = IPythonLexer(**options) | |
495 | self.IPythonConsoleLexer = IPythonConsoleLexer(**options) |
|
496 | self.IPythonConsoleLexer = IPythonConsoleLexer(**options) | |
496 |
|
497 | |||
497 | def get_tokens_unprocessed(self, text): |
|
498 | def get_tokens_unprocessed(self, text): | |
498 | # Search for the input prompt anywhere...this allows code blocks to |
|
499 | # Search for the input prompt anywhere...this allows code blocks to | |
499 | # begin with comments as well. |
|
500 | # begin with comments as well. | |
500 | if re.match(r'.*(In \[[0-9]+\]:)', text.strip(), re.DOTALL): |
|
501 | if re.match(r'.*(In \[[0-9]+\]:)', text.strip(), re.DOTALL): | |
501 | lex = self.IPythonConsoleLexer |
|
502 | lex = self.IPythonConsoleLexer | |
502 | else: |
|
503 | else: | |
503 | lex = self.IPythonLexer |
|
504 | lex = self.IPythonLexer | |
504 | for token in lex.get_tokens_unprocessed(text): |
|
505 | for token in lex.get_tokens_unprocessed(text): | |
505 | yield token |
|
506 | yield token | |
506 |
|
507 |
@@ -1,79 +1,88 | |||||
1 | """Test lexers module""" |
|
1 | """Test lexers module""" | |
2 | #----------------------------------------------------------------------------- |
|
2 | #----------------------------------------------------------------------------- | |
3 | # Copyright (C) 2014 The IPython Development Team |
|
3 | # Copyright (C) 2014 The IPython Development Team | |
4 | # |
|
4 | # | |
5 | # Distributed under the terms of the BSD License. The full license is in |
|
5 | # Distributed under the terms of the BSD License. The full license is in | |
6 | # the file COPYING, distributed as part of this software. |
|
6 | # the file COPYING, distributed as part of this software. | |
7 | #----------------------------------------------------------------------------- |
|
7 | #----------------------------------------------------------------------------- | |
8 |
|
8 | |||
9 | #----------------------------------------------------------------------------- |
|
9 | #----------------------------------------------------------------------------- | |
10 | # Imports |
|
10 | # Imports | |
11 | #----------------------------------------------------------------------------- |
|
11 | #----------------------------------------------------------------------------- | |
12 | from pygments.token import Token |
|
12 | from pygments.token import Token | |
13 |
|
13 | |||
14 | from IPython.nbconvert.tests.base import TestsBase |
|
14 | from IPython.nbconvert.tests.base import TestsBase | |
15 | from .. import lexers |
|
15 | from .. import lexers | |
16 |
|
16 | |||
17 |
|
17 | |||
18 | #----------------------------------------------------------------------------- |
|
18 | #----------------------------------------------------------------------------- | |
19 | # Classes and functions |
|
19 | # Classes and functions | |
20 | #----------------------------------------------------------------------------- |
|
20 | #----------------------------------------------------------------------------- | |
21 | class TestLexers(TestsBase): |
|
21 | class TestLexers(TestsBase): | |
22 | """Collection of lexers tests""" |
|
22 | """Collection of lexers tests""" | |
23 | def setUp(self): |
|
23 | def setUp(self): | |
24 | self.lexer = lexers.IPythonLexer() |
|
24 | self.lexer = lexers.IPythonLexer() | |
25 |
|
25 | |||
26 | def testIPythonLexer(self): |
|
26 | def testIPythonLexer(self): | |
27 | fragment = '!echo $HOME\n' |
|
27 | fragment = '!echo $HOME\n' | |
28 | tokens = [ |
|
28 | tokens = [ | |
29 | (Token.Operator, '!'), |
|
29 | (Token.Operator, '!'), | |
30 | (Token.Name.Builtin, 'echo'), |
|
30 | (Token.Name.Builtin, 'echo'), | |
31 | (Token.Text, ' '), |
|
31 | (Token.Text, ' '), | |
32 | (Token.Name.Variable, '$HOME'), |
|
32 | (Token.Name.Variable, '$HOME'), | |
33 | (Token.Text, '\n'), |
|
33 | (Token.Text, '\n'), | |
34 | ] |
|
34 | ] | |
35 | self.assertEqual(tokens, list(self.lexer.get_tokens(fragment))) |
|
35 | self.assertEqual(tokens, list(self.lexer.get_tokens(fragment))) | |
36 |
|
36 | |||
37 | fragment_2 = 'x = ' + fragment |
|
37 | fragment_2 = 'x = ' + fragment | |
38 | tokens_2 = [ |
|
38 | tokens_2 = [ | |
39 | (Token.Name, 'x'), |
|
39 | (Token.Name, 'x'), | |
40 | (Token.Text, ' '), |
|
40 | (Token.Text, ' '), | |
41 | (Token.Operator, '='), |
|
41 | (Token.Operator, '='), | |
42 | (Token.Text, ' '), |
|
42 | (Token.Text, ' '), | |
43 | ] + tokens |
|
43 | ] + tokens | |
44 | self.assertEqual(tokens_2, list(self.lexer.get_tokens(fragment_2))) |
|
44 | self.assertEqual(tokens_2, list(self.lexer.get_tokens(fragment_2))) | |
45 |
|
45 | |||
46 | fragment_2 = 'x, = ' + fragment |
|
46 | fragment_2 = 'x, = ' + fragment | |
47 | tokens_2 = [ |
|
47 | tokens_2 = [ | |
48 | (Token.Name, 'x'), |
|
48 | (Token.Name, 'x'), | |
49 | (Token.Punctuation, ','), |
|
49 | (Token.Punctuation, ','), | |
50 | (Token.Text, ' '), |
|
50 | (Token.Text, ' '), | |
51 | (Token.Operator, '='), |
|
51 | (Token.Operator, '='), | |
52 | (Token.Text, ' '), |
|
52 | (Token.Text, ' '), | |
53 | ] + tokens |
|
53 | ] + tokens | |
54 | self.assertEqual(tokens_2, list(self.lexer.get_tokens(fragment_2))) |
|
54 | self.assertEqual(tokens_2, list(self.lexer.get_tokens(fragment_2))) | |
55 |
|
55 | |||
56 | fragment_2 = 'x, = %sx ' + fragment[1:] |
|
56 | fragment_2 = 'x, = %sx ' + fragment[1:] | |
57 | tokens_2 = [ |
|
57 | tokens_2 = [ | |
58 | (Token.Name, 'x'), |
|
58 | (Token.Name, 'x'), | |
59 | (Token.Punctuation, ','), |
|
59 | (Token.Punctuation, ','), | |
60 | (Token.Text, ' '), |
|
60 | (Token.Text, ' '), | |
61 | (Token.Operator, '='), |
|
61 | (Token.Operator, '='), | |
62 | (Token.Text, ' '), |
|
62 | (Token.Text, ' '), | |
63 | (Token.Operator, '%'), |
|
63 | (Token.Operator, '%'), | |
64 | (Token.Keyword, 'sx'), |
|
64 | (Token.Keyword, 'sx'), | |
65 | (Token.Text, ' '), |
|
65 | (Token.Text, ' '), | |
66 | ] + tokens[1:] |
|
66 | ] + tokens[1:] | |
67 | self.assertEqual(tokens_2, list(self.lexer.get_tokens(fragment_2))) |
|
67 | self.assertEqual(tokens_2, list(self.lexer.get_tokens(fragment_2))) | |
68 |
|
68 | |||
69 | fragment_2 = 'f = %R function () {}\n' |
|
69 | fragment_2 = 'f = %R function () {}\n' | |
70 | tokens_2 = [ |
|
70 | tokens_2 = [ | |
71 | (Token.Name, 'f'), |
|
71 | (Token.Name, 'f'), | |
72 | (Token.Text, ' '), |
|
72 | (Token.Text, ' '), | |
73 | (Token.Operator, '='), |
|
73 | (Token.Operator, '='), | |
74 | (Token.Text, ' '), |
|
74 | (Token.Text, ' '), | |
75 | (Token.Operator, '%'), |
|
75 | (Token.Operator, '%'), | |
76 | (Token.Keyword, 'R'), |
|
76 | (Token.Keyword, 'R'), | |
77 | (Token.Text, ' function () {}\n'), |
|
77 | (Token.Text, ' function () {}\n'), | |
78 | ] |
|
78 | ] | |
79 | self.assertEqual(tokens_2, list(self.lexer.get_tokens(fragment_2))) |
|
79 | self.assertEqual(tokens_2, list(self.lexer.get_tokens(fragment_2))) | |
|
80 | ||||
|
81 | fragment_2 = '\t%%xyz\n$foo\n' | |||
|
82 | tokens_2 = [ | |||
|
83 | (Token.Text, '\t'), | |||
|
84 | (Token.Operator, '%%'), | |||
|
85 | (Token.Keyword, 'xyz'), | |||
|
86 | (Token.Text, '\n$foo\n'), | |||
|
87 | ] | |||
|
88 | self.assertEqual(tokens_2, list(self.lexer.get_tokens(fragment_2))) |
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