mirror of
https://github.com/djohnlewis/stackdump
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46 lines
1.4 KiB
Python
46 lines
1.4 KiB
Python
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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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Simple Usage:
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>>> import markdown
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>>> print markdown.markdown('Text with double__underscore__words.',
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... extensions=['smart_strong'])
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<p>Text with double__underscore__words.</p>
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>>> print markdown.markdown('__Strong__ still works.',
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... extensions=['smart_strong'])
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<p><strong>Strong</strong> still works.</p>
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>>> print markdown.markdown('__this__works__too__.',
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... extensions=['smart_strong'])
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<p><strong>this__works__too</strong>.</p>
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Copyright 2011
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[Waylan Limberg](http://achinghead.com)
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'''
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import re
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import markdown
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from markdown.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(markdown.extensions.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('strong2', SimpleTagPattern(SMART_STRONG_RE, 'strong'), '>emphasis2')
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def makeExtension(configs={}):
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return SmartEmphasisExtension(configs=dict(configs))
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if __name__ == '__main__':
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import doctest
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doctest.testmod()
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