31 lines
949 B
Python
31 lines
949 B
Python
# Source: https://github.com/mayoff/python-markdown-mathjax
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import markdown
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try:
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# Markdown 2.1.0 changed from 2.0.3. We try importing the new version first,
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# but import the 2.0.3 version if it fails
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from markdown.util import etree, AtomicString
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except:
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from markdown import etree, AtomicString
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class MathJaxPattern(markdown.inlinepatterns.Pattern):
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def __init__(self):
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markdown.inlinepatterns.Pattern.__init__(self, r'(?<!\\)(\$\$?)(.+?)\2')
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def handleMatch(self, m):
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el = etree.Element('span')
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el.text = AtomicString(m.group(2) + m.group(3) + m.group(2))
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return el
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class MathJaxExtension(markdown.Extension):
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def extendMarkdown(self, md, md_globals):
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# Needs to come before escape matching because \ is pretty important in LaTeX
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md.inlinePatterns.add('mathjax', MathJaxPattern(), '<escape')
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def makeExtension(configs=None):
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return MathJaxExtension(configs)
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