/usr/lib/python3/dist-packages/markups/mdx_mathjax.py is in python3-markups 2.0.1-1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 | # This file is part of python-markups module
# License: BSD
# Copyright: (C) Dmitry Shachnev, 2015
# Maintained in https://github.com/mitya57/python-markdown-math
'''
Math extension for Python-Markdown
==================================
Adds support for displaying math formulas using [MathJax](http://www.mathjax.org/).
Author: 2015, Dmitry Shachnev <mitya57@gmail.com>.
'''
from __future__ import absolute_import
import markdown
class MathExtension(markdown.extensions.Extension):
def __init__(self, *args, **kwargs):
self.config = {
'enable_dollar_delimiter': [False, 'Enable single-dollar delimiter'],
}
super(MathExtension, self).__init__(*args, **kwargs)
def extendMarkdown(self, md, md_globals):
def handle_match_inline(m):
node = markdown.util.etree.Element('script')
node.set('type', 'math/tex')
node.text = markdown.util.AtomicString(m.group(3))
return node
def handle_match(m):
node = markdown.util.etree.Element('script')
node.set('type', 'math/tex; mode=display')
if '\\begin' in m.group(2):
node.text = markdown.util.AtomicString(m.group(2) + m.group(4) + m.group(5))
else:
node.text = markdown.util.AtomicString(m.group(3))
return node
inlinemathpatterns = (
markdown.inlinepatterns.Pattern(r'(?<!\\|\$)(\$)([^\$]+)(\$)'), # $...$
markdown.inlinepatterns.Pattern(r'(?<!\\)(\\\()(.+?)(\\\))') # \(...\)
)
mathpatterns = (
markdown.inlinepatterns.Pattern(r'(?<!\\)(\$\$)([^\$]+)(\$\$)'), # $$...$$
markdown.inlinepatterns.Pattern(r'(?<!\\)(\\\[)(.+?)(\\\])'), # \[...\]
markdown.inlinepatterns.Pattern(r'(?<!\\)(\\begin{([a-z]+?\*?)})(.+?)(\\end{\3})')
)
if not self.getConfig('enable_dollar_delimiter'):
inlinemathpatterns = inlinemathpatterns[1:]
for i, pattern in enumerate(inlinemathpatterns):
pattern.handleMatch = handle_match_inline
md.inlinePatterns.add('math-inline-%d' % i, pattern, '<escape')
for i, pattern in enumerate(mathpatterns):
pattern.handleMatch = handle_match
md.inlinePatterns.add('math-%d' % i, pattern, '<escape')
def makeExtension(*args, **kwargs):
return MathExtension(*args, **kwargs)
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