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42 lines
1.2 KiB
42 lines
1.2 KiB
6 years ago
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'''
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Smart_Strong Extension for Python-Markdown
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==========================================
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This extention adds smarter handling of double underscores within words.
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See <https://Python-Markdown.github.io/extensions/smart_strong>
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for documentation.
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Original code Copyright 2011 [Waylan Limberg](http://achinghead.com)
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All changes Copyright 2011-2014 The Python Markdown Project
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License: [BSD](http://www.opensource.org/licenses/bsd-license.php)
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'''
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from __future__ import absolute_import
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from __future__ import unicode_literals
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from . import Extension
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from ..inlinepatterns import SimpleTagPattern
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SMART_STRONG_RE = r'(?<!\w)(_{2})(?!_)(.+?)(?<!_)\2(?!\w)'
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STRONG_RE = r'(\*{2})(.+?)\2'
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class SmartEmphasisExtension(Extension):
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""" Add smart_emphasis extension to Markdown class."""
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def extendMarkdown(self, md, md_globals):
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""" Modify inline patterns. """
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md.inlinePatterns['strong'] = SimpleTagPattern(STRONG_RE, 'strong')
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md.inlinePatterns.add(
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'strong2',
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SimpleTagPattern(SMART_STRONG_RE, 'strong'),
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'>emphasis2'
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)
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def makeExtension(*args, **kwargs):
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return SmartEmphasisExtension(*args, **kwargs)
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