Adding upstream version 2:9.1.1230.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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340
runtime/syntax/python.vim
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340
runtime/syntax/python.vim
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" Vim syntax file
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" Language: Python
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" Maintainer: Zvezdan Petkovic <zpetkovic@acm.org>
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" Last Change: 2023 Feb 28
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" Credits: Neil Schemenauer <nas@python.ca>
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" Dmitry Vasiliev
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"
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" This version is a major rewrite by Zvezdan Petkovic.
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"
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" - introduced highlighting of doctests
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" - updated keywords, built-ins, and exceptions
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" - corrected regular expressions for
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"
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" * functions
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" * decorators
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" * strings
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" * escapes
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" * numbers
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" * space error
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"
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" - corrected synchronization
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" - more highlighting is ON by default, except
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" - space error highlighting is OFF by default
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"
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" Optional highlighting can be controlled using these variables.
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"
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" let python_no_builtin_highlight = 1
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" let python_no_doctest_code_highlight = 1
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" let python_no_doctest_highlight = 1
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" let python_no_exception_highlight = 1
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" let python_no_number_highlight = 1
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" let python_space_error_highlight = 1
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"
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" All the options above can be switched on together.
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"
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" let python_highlight_all = 1
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"
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" The use of Python 2 compatible syntax highlighting can be enforced.
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" The straddling code (Python 2 and 3 compatible), up to Python 3.5,
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" will be also supported.
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"
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" let python_use_python2_syntax = 1
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"
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" This option will exclude all modern Python 3.6 or higher features.
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"
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" quit when a syntax file was already loaded.
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if exists("b:current_syntax")
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finish
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endif
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" Use of Python 2 and 3.5 or lower requested.
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if exists("python_use_python2_syntax")
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runtime! syntax/python2.vim
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finish
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endif
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" We need nocompatible mode in order to continue lines with backslashes.
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" Original setting will be restored.
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let s:cpo_save = &cpo
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set cpo&vim
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if exists("python_no_doctest_highlight")
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let python_no_doctest_code_highlight = 1
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endif
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if exists("python_highlight_all")
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if exists("python_no_builtin_highlight")
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unlet python_no_builtin_highlight
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endif
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if exists("python_no_doctest_code_highlight")
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unlet python_no_doctest_code_highlight
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endif
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if exists("python_no_doctest_highlight")
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unlet python_no_doctest_highlight
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endif
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if exists("python_no_exception_highlight")
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unlet python_no_exception_highlight
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endif
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if exists("python_no_number_highlight")
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unlet python_no_number_highlight
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endif
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let python_space_error_highlight = 1
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endif
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" Keep Python keywords in alphabetical order inside groups for easy
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" comparison with the table in the 'Python Language Reference'
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" https://docs.python.org/reference/lexical_analysis.html#keywords.
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" Groups are in the order presented in NAMING CONVENTIONS in syntax.txt.
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" Exceptions come last at the end of each group (class and def below).
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"
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" The list can be checked using:
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"
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" python3 -c 'import keyword, pprint; pprint.pprint(keyword.kwlist + keyword.softkwlist, compact=True)'
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"
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syn keyword pythonStatement False None True
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syn keyword pythonStatement as assert break continue del global
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syn keyword pythonStatement lambda nonlocal pass return with yield
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syn keyword pythonStatement class def nextgroup=pythonFunction skipwhite
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syn keyword pythonConditional elif else if
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syn keyword pythonRepeat for while
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syn keyword pythonOperator and in is not or
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syn keyword pythonException except finally raise try
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syn keyword pythonInclude from import
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syn keyword pythonAsync async await
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" Soft keywords
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" These keywords do not mean anything unless used in the right context.
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" See https://docs.python.org/3/reference/lexical_analysis.html#soft-keywords
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" for more on this.
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syn match pythonConditional "^\s*\zscase\%(\s\+.*:.*$\)\@="
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syn match pythonConditional "^\s*\zsmatch\%(\s\+.*:\s*\%(#.*\)\=$\)\@="
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" Decorators
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" A dot must be allowed because of @MyClass.myfunc decorators.
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syn match pythonDecorator "@" display contained
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syn match pythonDecoratorName "@\s*\h\%(\w\|\.\)*" display contains=pythonDecorator
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" Python 3.5 introduced the use of the same symbol for matrix multiplication:
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" https://www.python.org/dev/peps/pep-0465/. We now have to exclude the
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" symbol from highlighting when used in that context.
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" Single line multiplication.
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syn match pythonMatrixMultiply
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\ "\%(\w\|[])]\)\s*@"
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\ contains=ALLBUT,pythonDecoratorName,pythonDecorator,pythonFunction,pythonDoctestValue
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\ transparent
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" Multiplication continued on the next line after backslash.
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syn match pythonMatrixMultiply
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\ "[^\\]\\\s*\n\%(\s*\.\.\.\s\)\=\s\+@"
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\ contains=ALLBUT,pythonDecoratorName,pythonDecorator,pythonFunction,pythonDoctestValue
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\ transparent
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" Multiplication in a parenthesized expression over multiple lines with @ at
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" the start of each continued line; very similar to decorators and complex.
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syn match pythonMatrixMultiply
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\ "^\s*\%(\%(>>>\|\.\.\.\)\s\+\)\=\zs\%(\h\|\%(\h\|[[(]\).\{-}\%(\w\|[])]\)\)\s*\n\%(\s*\.\.\.\s\)\=\s\+@\%(.\{-}\n\%(\s*\.\.\.\s\)\=\s\+@\)*"
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\ contains=ALLBUT,pythonDecoratorName,pythonDecorator,pythonFunction,pythonDoctestValue
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\ transparent
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syn match pythonFunction "\h\w*" display contained
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syn match pythonComment "#.*$" contains=pythonTodo,@Spell
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syn keyword pythonTodo FIXME NOTE NOTES TODO XXX contained
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" Triple-quoted strings can contain doctests.
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syn region pythonString matchgroup=pythonQuotes
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\ start=+[uU]\=\z(['"]\)+ end="\z1" skip="\\\\\|\\\z1"
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\ contains=pythonEscape,@Spell
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syn region pythonString matchgroup=pythonTripleQuotes
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\ start=+[uU]\=\z('''\|"""\)+ end="\z1" keepend
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\ contains=pythonEscape,pythonSpaceError,pythonDoctest,@Spell
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syn region pythonRawString matchgroup=pythonQuotes
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\ start=+[uU]\=[rR]\z(['"]\)+ end="\z1" skip="\\\\\|\\\z1"
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\ contains=@Spell
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syn region pythonRawString matchgroup=pythonTripleQuotes
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\ start=+[uU]\=[rR]\z('''\|"""\)+ end="\z1" keepend
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\ contains=pythonSpaceError,pythonDoctest,@Spell
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syn match pythonEscape +\\[abfnrtv'"\\]+ contained
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syn match pythonEscape "\\\o\{1,3}" contained
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syn match pythonEscape "\\x\x\{2}" contained
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syn match pythonEscape "\%(\\u\x\{4}\|\\U\x\{8}\)" contained
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" Python allows case-insensitive Unicode IDs: http://www.unicode.org/charts/
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syn match pythonEscape "\\N{\a\+\%(\s\a\+\)*}" contained
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syn match pythonEscape "\\$"
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" It is very important to understand all details before changing the
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" regular expressions below or their order.
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" The word boundaries are *not* the floating-point number boundaries
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" because of a possible leading or trailing decimal point.
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" The expressions below ensure that all valid number literals are
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" highlighted, and invalid number literals are not. For example,
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"
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" - a decimal point in '4.' at the end of a line is highlighted,
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" - a second dot in 1.0.0 is not highlighted,
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" - 08 is not highlighted,
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" - 08e0 or 08j are highlighted,
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"
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" and so on, as specified in the 'Python Language Reference'.
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" https://docs.python.org/reference/lexical_analysis.html#numeric-literals
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if !exists("python_no_number_highlight")
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" numbers (including complex)
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syn match pythonNumber "\<0[oO]\%(_\=\o\)\+\>"
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syn match pythonNumber "\<0[xX]\%(_\=\x\)\+\>"
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syn match pythonNumber "\<0[bB]\%(_\=[01]\)\+\>"
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syn match pythonNumber "\<\%([1-9]\%(_\=\d\)*\|0\+\%(_\=0\)*\)\>"
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syn match pythonNumber "\<\d\%(_\=\d\)*[jJ]\>"
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syn match pythonNumber "\<\d\%(_\=\d\)*[eE][+-]\=\d\%(_\=\d\)*[jJ]\=\>"
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syn match pythonNumber
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\ "\<\d\%(_\=\d\)*\.\%([eE][+-]\=\d\%(_\=\d\)*\)\=[jJ]\=\%(\W\|$\)\@="
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syn match pythonNumber
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\ "\%(^\|\W\)\zs\%(\d\%(_\=\d\)*\)\=\.\d\%(_\=\d\)*\%([eE][+-]\=\d\%(_\=\d\)*\)\=[jJ]\=\>"
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endif
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" Group the built-ins in the order in the 'Python Library Reference' for
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" easier comparison.
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" https://docs.python.org/library/constants.html
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" http://docs.python.org/library/functions.html
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" Python built-in functions are in alphabetical order.
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"
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" The list can be checked using:
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"
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" python3 -c 'import builtins, pprint; pprint.pprint(dir(builtins), compact=True)'
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"
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" The constants added by the `site` module are not listed below because they
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" should not be used in programs, only in interactive interpreter.
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" Similarly for some other attributes and functions `__`-enclosed from the
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" output of the above command.
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"
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if !exists("python_no_builtin_highlight")
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" built-in constants
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" 'False', 'True', and 'None' are also reserved words in Python 3
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syn keyword pythonBuiltin False True None
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syn keyword pythonBuiltin NotImplemented Ellipsis __debug__
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" constants added by the `site` module
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syn keyword pythonBuiltin quit exit copyright credits license
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" built-in functions
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syn keyword pythonBuiltin abs all any ascii bin bool breakpoint bytearray
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syn keyword pythonBuiltin bytes callable chr classmethod compile complex
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syn keyword pythonBuiltin delattr dict dir divmod enumerate eval exec
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syn keyword pythonBuiltin filter float format frozenset getattr globals
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syn keyword pythonBuiltin hasattr hash help hex id input int isinstance
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syn keyword pythonBuiltin issubclass iter len list locals map max
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syn keyword pythonBuiltin memoryview min next object oct open ord pow
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syn keyword pythonBuiltin print property range repr reversed round set
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syn keyword pythonBuiltin setattr slice sorted staticmethod str sum super
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syn keyword pythonBuiltin tuple type vars zip __import__
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" avoid highlighting attributes as builtins
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syn match pythonAttribute /\.\h\w*/hs=s+1
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\ contains=ALLBUT,pythonBuiltin,pythonFunction,pythonAsync
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\ transparent
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endif
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" From the 'Python Library Reference' class hierarchy at the bottom.
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" http://docs.python.org/library/exceptions.html
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if !exists("python_no_exception_highlight")
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" builtin base exceptions (used mostly as base classes for other exceptions)
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syn keyword pythonExceptions BaseException Exception
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syn keyword pythonExceptions ArithmeticError BufferError LookupError
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" builtin exceptions (actually raised)
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syn keyword pythonExceptions AssertionError AttributeError EOFError
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syn keyword pythonExceptions FloatingPointError GeneratorExit ImportError
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syn keyword pythonExceptions IndentationError IndexError KeyError
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syn keyword pythonExceptions KeyboardInterrupt MemoryError
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syn keyword pythonExceptions ModuleNotFoundError NameError
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syn keyword pythonExceptions NotImplementedError OSError OverflowError
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syn keyword pythonExceptions RecursionError ReferenceError RuntimeError
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syn keyword pythonExceptions StopAsyncIteration StopIteration SyntaxError
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syn keyword pythonExceptions SystemError SystemExit TabError TypeError
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syn keyword pythonExceptions UnboundLocalError UnicodeDecodeError
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syn keyword pythonExceptions UnicodeEncodeError UnicodeError
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syn keyword pythonExceptions UnicodeTranslateError ValueError
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syn keyword pythonExceptions ZeroDivisionError
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" builtin exception aliases for OSError
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syn keyword pythonExceptions EnvironmentError IOError WindowsError
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" builtin OS exceptions in Python 3
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syn keyword pythonExceptions BlockingIOError BrokenPipeError
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syn keyword pythonExceptions ChildProcessError ConnectionAbortedError
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syn keyword pythonExceptions ConnectionError ConnectionRefusedError
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syn keyword pythonExceptions ConnectionResetError FileExistsError
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syn keyword pythonExceptions FileNotFoundError InterruptedError
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syn keyword pythonExceptions IsADirectoryError NotADirectoryError
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syn keyword pythonExceptions PermissionError ProcessLookupError TimeoutError
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" builtin warnings
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syn keyword pythonExceptions BytesWarning DeprecationWarning FutureWarning
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syn keyword pythonExceptions ImportWarning PendingDeprecationWarning
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syn keyword pythonExceptions ResourceWarning RuntimeWarning
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syn keyword pythonExceptions SyntaxWarning UnicodeWarning
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syn keyword pythonExceptions UserWarning Warning
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endif
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if exists("python_space_error_highlight")
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" trailing whitespace
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syn match pythonSpaceError display excludenl "\s\+$"
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" mixed tabs and spaces
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syn match pythonSpaceError display " \+\t"
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syn match pythonSpaceError display "\t\+ "
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endif
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" Do not spell doctests inside strings.
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" Notice that the end of a string, either ''', or """, will end the contained
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" doctest too. Thus, we do *not* need to have it as an end pattern.
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if !exists("python_no_doctest_highlight")
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if !exists("python_no_doctest_code_highlight")
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syn region pythonDoctest
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\ start="^\s*>>>\s" end="^\s*$"
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\ contained contains=ALLBUT,pythonDoctest,pythonFunction,@Spell
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syn region pythonDoctestValue
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\ start=+^\s*\%(>>>\s\|\.\.\.\s\|"""\|'''\)\@!\S\++ end="$"
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\ contained
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else
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syn region pythonDoctest
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\ start="^\s*>>>" end="^\s*$"
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\ contained contains=@NoSpell
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endif
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endif
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" Sync at the beginning of class, function, or method definition.
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syn sync match pythonSync grouphere NONE "^\%(def\|class\)\s\+\h\w*\s*[(:]"
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" The default highlight links. Can be overridden later.
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hi def link pythonStatement Statement
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hi def link pythonConditional Conditional
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hi def link pythonRepeat Repeat
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hi def link pythonOperator Operator
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hi def link pythonException Exception
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hi def link pythonInclude Include
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hi def link pythonAsync Statement
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hi def link pythonDecorator Define
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hi def link pythonDecoratorName Function
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hi def link pythonFunction Function
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hi def link pythonComment Comment
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hi def link pythonTodo Todo
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hi def link pythonString String
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hi def link pythonRawString String
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hi def link pythonQuotes String
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hi def link pythonTripleQuotes pythonQuotes
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hi def link pythonEscape Special
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if !exists("python_no_number_highlight")
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hi def link pythonNumber Number
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endif
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if !exists("python_no_builtin_highlight")
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hi def link pythonBuiltin Function
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endif
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if !exists("python_no_exception_highlight")
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hi def link pythonExceptions Structure
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endif
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if exists("python_space_error_highlight")
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hi def link pythonSpaceError Error
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endif
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if !exists("python_no_doctest_highlight")
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hi def link pythonDoctest Special
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hi def link pythonDoctestValue Define
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endif
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let b:current_syntax = "python"
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let &cpo = s:cpo_save
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unlet s:cpo_save
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" vim:set sw=2 sts=2 ts=8 noet:
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