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86 lines
3.0 KiB
86 lines
3.0 KiB
4 years ago
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# -*- coding: utf-8 -*-
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"""
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Pygments
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~~~~~~~~
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Pygments is a syntax highlighting package written in Python.
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It is a generic syntax highlighter for general use in all kinds of software
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such as forum systems, wikis or other applications that need to prettify
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source code. Highlights are:
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* a wide range of common languages and markup formats is supported
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* special attention is paid to details, increasing quality by a fair amount
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* support for new languages and formats are added easily
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* a number of output formats, presently HTML, LaTeX, RTF, SVG, all image
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formats that PIL supports, and ANSI sequences
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* it is usable as a command-line tool and as a library
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* ... and it highlights even Brainfuck!
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The `Pygments master branch`_ is installable with ``easy_install Pygments==dev``.
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.. _Pygments master branch:
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https://github.com/pygments/pygments/archive/master.zip#egg=Pygments-dev
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:copyright: Copyright 2006-2019 by the Pygments team, see AUTHORS.
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:license: BSD, see LICENSE for details.
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"""
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import sys
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from io import StringIO, BytesIO
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__version__ = '2.6.1'
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__docformat__ = 'restructuredtext'
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__all__ = ['lex', 'format', 'highlight']
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def lex(code, lexer):
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"""
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Lex ``code`` with ``lexer`` and return an iterable of tokens.
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"""
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try:
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return lexer.get_tokens(code)
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except TypeError as err:
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if (isinstance(err.args[0], str) and
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('unbound method get_tokens' in err.args[0] or
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'missing 1 required positional argument' in err.args[0])):
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raise TypeError('lex() argument must be a lexer instance, '
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'not a class')
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raise
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def format(tokens, formatter, outfile=None): # pylint: disable=redefined-builtin
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"""
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Format a tokenlist ``tokens`` with the formatter ``formatter``.
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If ``outfile`` is given and a valid file object (an object
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with a ``write`` method), the result will be written to it, otherwise
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it is returned as a string.
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"""
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try:
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if not outfile:
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realoutfile = getattr(formatter, 'encoding', None) and BytesIO() or StringIO()
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formatter.format(tokens, realoutfile)
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return realoutfile.getvalue()
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else:
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formatter.format(tokens, outfile)
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except TypeError as err:
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if (isinstance(err.args[0], str) and
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('unbound method format' in err.args[0] or
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'missing 1 required positional argument' in err.args[0])):
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raise TypeError('format() argument must be a formatter instance, '
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'not a class')
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raise
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def highlight(code, lexer, formatter, outfile=None):
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"""
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Lex ``code`` with ``lexer`` and format it with the formatter ``formatter``.
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If ``outfile`` is given and a valid file object (an object
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with a ``write`` method), the result will be written to it, otherwise
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it is returned as a string.
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"""
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return format(lex(code, lexer), formatter, outfile)
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