Mercurial > vim
annotate runtime/syntax/python.vim @ 29370:02ed4800c675
Added tag v9.0.0027 for changeset b1f345ec827eed65e58c63760f48fd739cd83faa
author | Bram Moolenaar <Bram@vim.org> |
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date | Sat, 02 Jul 2022 17:30:03 +0200 |
parents | 3a63b1e4a6f4 |
children | 34c1f4cd0c18 |
rev | line source |
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7 | 1 " Vim syntax file |
2 " Language: Python | |
6840 | 3 " Maintainer: Zvezdan Petkovic <zpetkovic@acm.org> |
26591 | 4 " Last Change: 2021 Dec 10 |
6840 | 5 " Credits: Neil Schemenauer <nas@python.ca> |
2034 | 6 " Dmitry Vasiliev |
7 | 7 " |
2034 | 8 " This version is a major rewrite by Zvezdan Petkovic. |
7 | 9 " |
2034 | 10 " - introduced highlighting of doctests |
11 " - updated keywords, built-ins, and exceptions | |
12 " - corrected regular expressions for | |
7 | 13 " |
2034 | 14 " * functions |
15 " * decorators | |
16 " * strings | |
17 " * escapes | |
18 " * numbers | |
19 " * space error | |
7 | 20 " |
2034 | 21 " - corrected synchronization |
22 " - more highlighting is ON by default, except | |
23 " - space error highlighting is OFF by default | |
7 | 24 " |
2034 | 25 " Optional highlighting can be controlled using these variables. |
7 | 26 " |
2034 | 27 " let python_no_builtin_highlight = 1 |
28 " let python_no_doctest_code_highlight = 1 | |
29 " let python_no_doctest_highlight = 1 | |
30 " let python_no_exception_highlight = 1 | |
31 " let python_no_number_highlight = 1 | |
32 " let python_space_error_highlight = 1 | |
7 | 33 " |
2034 | 34 " All the options above can be switched on together. |
35 " | |
36 " let python_highlight_all = 1 | |
7 | 37 " |
38 | |
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39 " quit when a syntax file was already loaded. |
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40 if exists("b:current_syntax") |
7 | 41 finish |
42 endif | |
43 | |
2587 | 44 " We need nocompatible mode in order to continue lines with backslashes. |
45 " Original setting will be restored. | |
46 let s:cpo_save = &cpo | |
47 set cpo&vim | |
48 | |
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49 if exists("python_no_doctest_highlight") |
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50 let python_no_doctest_code_highlight = 1 |
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51 endif |
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52 |
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53 if exists("python_highlight_all") |
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54 if exists("python_no_builtin_highlight") |
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55 unlet python_no_builtin_highlight |
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56 endif |
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57 if exists("python_no_doctest_code_highlight") |
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58 unlet python_no_doctest_code_highlight |
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59 endif |
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60 if exists("python_no_doctest_highlight") |
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61 unlet python_no_doctest_highlight |
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62 endif |
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63 if exists("python_no_exception_highlight") |
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64 unlet python_no_exception_highlight |
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65 endif |
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66 if exists("python_no_number_highlight") |
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67 unlet python_no_number_highlight |
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68 endif |
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69 let python_space_error_highlight = 1 |
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70 endif |
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71 |
2034 | 72 " Keep Python keywords in alphabetical order inside groups for easy |
73 " comparison with the table in the 'Python Language Reference' | |
24024 | 74 " https://docs.python.org/reference/lexical_analysis.html#keywords. |
2034 | 75 " Groups are in the order presented in NAMING CONVENTIONS in syntax.txt. |
76 " Exceptions come last at the end of each group (class and def below). | |
77 " | |
24024 | 78 " The list can be checked using: |
2034 | 79 " |
26591 | 80 " python3 -c 'import keyword, pprint; pprint.pprint(keyword.kwlist + keyword.softkwlist, compact=True)' |
2034 | 81 " |
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82 syn keyword pythonStatement False None True |
24024 | 83 syn keyword pythonStatement as assert break continue del global |
84 syn keyword pythonStatement lambda nonlocal pass return with yield | |
2034 | 85 syn keyword pythonStatement class def nextgroup=pythonFunction skipwhite |
86 syn keyword pythonConditional elif else if | |
26591 | 87 syn keyword pythonConditional case match |
7 | 88 syn keyword pythonRepeat for while |
89 syn keyword pythonOperator and in is not or | |
2034 | 90 syn keyword pythonException except finally raise try |
91 syn keyword pythonInclude from import | |
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92 syn keyword pythonAsync async await |
7 | 93 |
24024 | 94 " Decorators |
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95 " A dot must be allowed because of @MyClass.myfunc decorators. |
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96 syn match pythonDecorator "@" display contained |
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97 syn match pythonDecoratorName "@\s*\h\%(\w\|\.\)*" display contains=pythonDecorator |
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98 |
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99 " Python 3.5 introduced the use of the same symbol for matrix multiplication: |
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100 " https://www.python.org/dev/peps/pep-0465/. We now have to exclude the |
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101 " symbol from highlighting when used in that context. |
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102 " Single line multiplication. |
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103 syn match pythonMatrixMultiply |
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104 \ "\%(\w\|[])]\)\s*@" |
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105 \ contains=ALLBUT,pythonDecoratorName,pythonDecorator,pythonFunction,pythonDoctestValue |
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106 \ transparent |
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107 " Multiplication continued on the next line after backslash. |
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108 syn match pythonMatrixMultiply |
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109 \ "[^\\]\\\s*\n\%(\s*\.\.\.\s\)\=\s\+@" |
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110 \ contains=ALLBUT,pythonDecoratorName,pythonDecorator,pythonFunction,pythonDoctestValue |
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111 \ transparent |
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112 " Multiplication in a parenthesized expression over multiple lines with @ at |
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113 " the start of each continued line; very similar to decorators and complex. |
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114 syn match pythonMatrixMultiply |
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115 \ "^\s*\%(\%(>>>\|\.\.\.\)\s\+\)\=\zs\%(\h\|\%(\h\|[[(]\).\{-}\%(\w\|[])]\)\)\s*\n\%(\s*\.\.\.\s\)\=\s\+@\%(.\{-}\n\%(\s*\.\.\.\s\)\=\s\+@\)*" |
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116 \ contains=ALLBUT,pythonDecoratorName,pythonDecorator,pythonFunction,pythonDoctestValue |
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117 \ transparent |
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118 |
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119 syn match pythonFunction "\h\w*" display contained |
859 | 120 |
2034 | 121 syn match pythonComment "#.*$" contains=pythonTodo,@Spell |
122 syn keyword pythonTodo FIXME NOTE NOTES TODO XXX contained | |
123 | |
124 " Triple-quoted strings can contain doctests. | |
6840 | 125 syn region pythonString matchgroup=pythonQuotes |
2034 | 126 \ start=+[uU]\=\z(['"]\)+ end="\z1" skip="\\\\\|\\\z1" |
127 \ contains=pythonEscape,@Spell | |
6840 | 128 syn region pythonString matchgroup=pythonTripleQuotes |
2034 | 129 \ start=+[uU]\=\z('''\|"""\)+ end="\z1" keepend |
130 \ contains=pythonEscape,pythonSpaceError,pythonDoctest,@Spell | |
6840 | 131 syn region pythonRawString matchgroup=pythonQuotes |
2034 | 132 \ start=+[uU]\=[rR]\z(['"]\)+ end="\z1" skip="\\\\\|\\\z1" |
133 \ contains=@Spell | |
6840 | 134 syn region pythonRawString matchgroup=pythonTripleQuotes |
2034 | 135 \ start=+[uU]\=[rR]\z('''\|"""\)+ end="\z1" keepend |
136 \ contains=pythonSpaceError,pythonDoctest,@Spell | |
137 | |
138 syn match pythonEscape +\\[abfnrtv'"\\]+ contained | |
139 syn match pythonEscape "\\\o\{1,3}" contained | |
140 syn match pythonEscape "\\x\x\{2}" contained | |
141 syn match pythonEscape "\%(\\u\x\{4}\|\\U\x\{8}\)" contained | |
142 " Python allows case-insensitive Unicode IDs: http://www.unicode.org/charts/ | |
6840 | 143 syn match pythonEscape "\\N{\a\+\%(\s\a\+\)*}" contained |
2034 | 144 syn match pythonEscape "\\$" |
7 | 145 |
2034 | 146 " It is very important to understand all details before changing the |
147 " regular expressions below or their order. | |
148 " The word boundaries are *not* the floating-point number boundaries | |
149 " because of a possible leading or trailing decimal point. | |
150 " The expressions below ensure that all valid number literals are | |
151 " highlighted, and invalid number literals are not. For example, | |
152 " | |
153 " - a decimal point in '4.' at the end of a line is highlighted, | |
154 " - a second dot in 1.0.0 is not highlighted, | |
155 " - 08 is not highlighted, | |
156 " - 08e0 or 08j are highlighted, | |
157 " | |
158 " and so on, as specified in the 'Python Language Reference'. | |
24024 | 159 " https://docs.python.org/reference/lexical_analysis.html#numeric-literals |
2034 | 160 if !exists("python_no_number_highlight") |
7 | 161 " numbers (including longs and complex) |
2034 | 162 syn match pythonNumber "\<0[oO]\=\o\+[Ll]\=\>" |
163 syn match pythonNumber "\<0[xX]\x\+[Ll]\=\>" | |
164 syn match pythonNumber "\<0[bB][01]\+[Ll]\=\>" | |
165 syn match pythonNumber "\<\%([1-9]\d*\|0\)[Ll]\=\>" | |
166 syn match pythonNumber "\<\d\+[jJ]\>" | |
167 syn match pythonNumber "\<\d\+[eE][+-]\=\d\+[jJ]\=\>" | |
168 syn match pythonNumber | |
169 \ "\<\d\+\.\%([eE][+-]\=\d\+\)\=[jJ]\=\%(\W\|$\)\@=" | |
170 syn match pythonNumber | |
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171 \ "\%(^\|\W\)\zs\d*\.\d\+\%([eE][+-]\=\d\+\)\=[jJ]\=\>" |
7 | 172 endif |
173 | |
2034 | 174 " Group the built-ins in the order in the 'Python Library Reference' for |
175 " easier comparison. | |
24024 | 176 " https://docs.python.org/library/constants.html |
177 " http://docs.python.org/library/functions.html | |
2034 | 178 " Python built-in functions are in alphabetical order. |
24024 | 179 " |
180 " The list can be checked using: | |
181 " | |
182 " python3 -c 'import builtins, pprint; pprint.pprint(dir(builtins), compact=True)' | |
183 " | |
184 " The constants added by the `site` module are not listed below because they | |
185 " should not be used in programs, only in interactive interpreter. | |
186 " Similarly for some other attributes and functions `__`-enclosed from the | |
187 " output of the above command. | |
188 " | |
2034 | 189 if !exists("python_no_builtin_highlight") |
190 " built-in constants | |
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191 " 'False', 'True', and 'None' are also reserved words in Python 3 |
2034 | 192 syn keyword pythonBuiltin False True None |
193 syn keyword pythonBuiltin NotImplemented Ellipsis __debug__ | |
24024 | 194 " constants added by the `site` module |
195 syn keyword pythonBuiltin quit exit copyright credits license | |
2034 | 196 " built-in functions |
24024 | 197 syn keyword pythonBuiltin abs all any ascii bin bool breakpoint bytearray |
198 syn keyword pythonBuiltin bytes callable chr classmethod compile complex | |
199 syn keyword pythonBuiltin delattr dict dir divmod enumerate eval exec | |
200 syn keyword pythonBuiltin filter float format frozenset getattr globals | |
201 syn keyword pythonBuiltin hasattr hash help hex id input int isinstance | |
2034 | 202 syn keyword pythonBuiltin issubclass iter len list locals map max |
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203 syn keyword pythonBuiltin memoryview min next object oct open ord pow |
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204 syn keyword pythonBuiltin print property range repr reversed round set |
24024 | 205 syn keyword pythonBuiltin setattr slice sorted staticmethod str sum super |
206 syn keyword pythonBuiltin tuple type vars zip __import__ | |
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207 " avoid highlighting attributes as builtins |
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208 syn match pythonAttribute /\.\h\w*/hs=s+1 |
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209 \ contains=ALLBUT,pythonBuiltin,pythonFunction,pythonAsync |
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210 \ transparent |
7 | 211 endif |
212 | |
2034 | 213 " From the 'Python Library Reference' class hierarchy at the bottom. |
24024 | 214 " http://docs.python.org/library/exceptions.html |
2034 | 215 if !exists("python_no_exception_highlight") |
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216 " builtin base exceptions (used mostly as base classes for other exceptions) |
2034 | 217 syn keyword pythonExceptions BaseException Exception |
24024 | 218 syn keyword pythonExceptions ArithmeticError BufferError LookupError |
2034 | 219 " builtin exceptions (actually raised) |
24024 | 220 syn keyword pythonExceptions AssertionError AttributeError EOFError |
221 syn keyword pythonExceptions FloatingPointError GeneratorExit ImportError | |
222 syn keyword pythonExceptions IndentationError IndexError KeyError | |
223 syn keyword pythonExceptions KeyboardInterrupt MemoryError | |
224 syn keyword pythonExceptions ModuleNotFoundError NameError | |
225 syn keyword pythonExceptions NotImplementedError OSError OverflowError | |
226 syn keyword pythonExceptions RecursionError ReferenceError RuntimeError | |
227 syn keyword pythonExceptions StopAsyncIteration StopIteration SyntaxError | |
2034 | 228 syn keyword pythonExceptions SystemError SystemExit TabError TypeError |
24024 | 229 syn keyword pythonExceptions UnboundLocalError UnicodeDecodeError |
230 syn keyword pythonExceptions UnicodeEncodeError UnicodeError | |
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231 syn keyword pythonExceptions UnicodeTranslateError ValueError |
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232 syn keyword pythonExceptions ZeroDivisionError |
24024 | 233 " builtin exception aliases for OSError |
234 syn keyword pythonExceptions EnvironmentError IOError WindowsError | |
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235 " builtin OS exceptions in Python 3 |
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236 syn keyword pythonExceptions BlockingIOError BrokenPipeError |
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237 syn keyword pythonExceptions ChildProcessError ConnectionAbortedError |
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238 syn keyword pythonExceptions ConnectionError ConnectionRefusedError |
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239 syn keyword pythonExceptions ConnectionResetError FileExistsError |
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240 syn keyword pythonExceptions FileNotFoundError InterruptedError |
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241 syn keyword pythonExceptions IsADirectoryError NotADirectoryError |
24024 | 242 syn keyword pythonExceptions PermissionError ProcessLookupError TimeoutError |
2034 | 243 " builtin warnings |
244 syn keyword pythonExceptions BytesWarning DeprecationWarning FutureWarning | |
245 syn keyword pythonExceptions ImportWarning PendingDeprecationWarning | |
24024 | 246 syn keyword pythonExceptions ResourceWarning RuntimeWarning |
247 syn keyword pythonExceptions SyntaxWarning UnicodeWarning | |
2034 | 248 syn keyword pythonExceptions UserWarning Warning |
7 | 249 endif |
250 | |
2034 | 251 if exists("python_space_error_highlight") |
7 | 252 " trailing whitespace |
2034 | 253 syn match pythonSpaceError display excludenl "\s\+$" |
7 | 254 " mixed tabs and spaces |
2034 | 255 syn match pythonSpaceError display " \+\t" |
256 syn match pythonSpaceError display "\t\+ " | |
7 | 257 endif |
258 | |
2034 | 259 " Do not spell doctests inside strings. |
260 " Notice that the end of a string, either ''', or """, will end the contained | |
261 " doctest too. Thus, we do *not* need to have it as an end pattern. | |
262 if !exists("python_no_doctest_highlight") | |
4186 | 263 if !exists("python_no_doctest_code_highlight") |
2034 | 264 syn region pythonDoctest |
265 \ start="^\s*>>>\s" end="^\s*$" | |
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266 \ contained contains=ALLBUT,pythonDoctest,pythonFunction,@Spell |
2034 | 267 syn region pythonDoctestValue |
268 \ start=+^\s*\%(>>>\s\|\.\.\.\s\|"""\|'''\)\@!\S\++ end="$" | |
269 \ contained | |
270 else | |
271 syn region pythonDoctest | |
272 \ start="^\s*>>>" end="^\s*$" | |
273 \ contained contains=@NoSpell | |
274 endif | |
275 endif | |
276 | |
277 " Sync at the beginning of class, function, or method definition. | |
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278 syn sync match pythonSync grouphere NONE "^\%(def\|class\)\s\+\h\w*\s*[(:]" |
7 | 279 |
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280 " The default highlight links. Can be overridden later. |
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281 hi def link pythonStatement Statement |
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282 hi def link pythonConditional Conditional |
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283 hi def link pythonRepeat Repeat |
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284 hi def link pythonOperator Operator |
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285 hi def link pythonException Exception |
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286 hi def link pythonInclude Include |
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287 hi def link pythonAsync Statement |
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288 hi def link pythonDecorator Define |
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289 hi def link pythonDecoratorName Function |
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290 hi def link pythonFunction Function |
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291 hi def link pythonComment Comment |
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292 hi def link pythonTodo Todo |
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293 hi def link pythonString String |
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294 hi def link pythonRawString String |
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295 hi def link pythonQuotes String |
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296 hi def link pythonTripleQuotes pythonQuotes |
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297 hi def link pythonEscape Special |
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298 if !exists("python_no_number_highlight") |
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299 hi def link pythonNumber Number |
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300 endif |
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301 if !exists("python_no_builtin_highlight") |
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302 hi def link pythonBuiltin Function |
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303 endif |
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304 if !exists("python_no_exception_highlight") |
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305 hi def link pythonExceptions Structure |
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306 endif |
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307 if exists("python_space_error_highlight") |
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308 hi def link pythonSpaceError Error |
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309 endif |
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310 if !exists("python_no_doctest_highlight") |
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311 hi def link pythonDoctest Special |
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312 hi def link pythonDoctestValue Define |
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313 endif |
7 | 314 |
315 let b:current_syntax = "python" | |
316 | |
2587 | 317 let &cpo = s:cpo_save |
318 unlet s:cpo_save | |
319 | |
2034 | 320 " vim:set sw=2 sts=2 ts=8 noet: |