mdx_mathjax.py

"""
From https://github.com/mayoff/python-markdown-mathjax
"""

import markdown

class MathJaxPattern(markdown.inlinepatterns.Pattern):

	def __init__(self):
		markdown.inlinepatterns.Pattern.__init__(self, r'(?<!\\)(\$\$?)(.+?)\2')

	def handleMatch(self, m):
		return markdown.AtomicString(m.group(2) + m.group(3) + m.group(2))

class MathJaxExtension(markdown.Extension):
	def extendMarkdown(self, md, md_globals):
		# Needs to come before escape matching because \ is pretty important in LaTeX
		md.inlinePatterns.add('mathjax', MathJaxPattern(), '<escape')

def makeExtension(configs=None):
	return MathJaxExtension(configs)