| ''' |
| Smart_Strong Extension for Python-Markdown |
| ========================================== |
| |
| This extention adds smarter handling of double underscores within words. |
| |
| Simple Usage: |
| |
| >>> import markdown |
| >>> print markdown.markdown('Text with double__underscore__words.', |
| ... extensions=['smart_strong']) |
| <p>Text with double__underscore__words.</p> |
| >>> print markdown.markdown('__Strong__ still works.', |
| ... extensions=['smart_strong']) |
| <p><strong>Strong</strong> still works.</p> |
| >>> print markdown.markdown('__this__works__too__.', |
| ... extensions=['smart_strong']) |
| <p><strong>this__works__too</strong>.</p> |
| |
| Copyright 2011 |
| [Waylan Limberg](http://achinghead.com) |
| |
| ''' |
| |
| from __future__ import absolute_import |
| from __future__ import unicode_literals |
| from . import Extension |
| from ..inlinepatterns import SimpleTagPattern |
| |
| SMART_STRONG_RE = r'(?<!\w)(_{2})(?!_)(.+?)(?<!_)\2(?!\w)' |
| STRONG_RE = r'(\*{2})(.+?)\2' |
| |
| class SmartEmphasisExtension(Extension): |
| """ Add smart_emphasis extension to Markdown class.""" |
| |
| def extendMarkdown(self, md, md_globals): |
| """ Modify inline patterns. """ |
| md.inlinePatterns['strong'] = SimpleTagPattern(STRONG_RE, 'strong') |
| md.inlinePatterns.add('strong2', SimpleTagPattern(SMART_STRONG_RE, 'strong'), '>emphasis2') |
| |
| def makeExtension(configs={}): |
| return SmartEmphasisExtension(configs=dict(configs)) |