Skip to content
This repository

HTTPS clone URL

Subversion checkout URL

You can clone with HTTPS or Subversion.

Download ZIP
branch: master
Fetching contributors…

Cannot retrieve contributors at this time

file 49 lines (37 sloc) 1.748 kb
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
# Copyright (c) 2010-2011, Gabriele Favalessa
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.

# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.

# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.

import re, markdown

import asciimathml

class ASCIIMathMLExtension(markdown.Extension):
    def __init__(self, configs):
        pass

    def extendMarkdown(self, md, md_globals):
        self.md = md

        RE = re.compile(r'^(.*)\$\$([^\$]*)\$\$(.*)$', re.M) # $$ a $$

        md.inlinePatterns.add('', ASCIIMathMLPattern(RE), '_begin')

    def reset(self):
        pass

class ASCIIMathMLPattern(markdown.inlinepatterns.Pattern):
    def getCompiledRegExp(self):
        return re.compile(r'^(.*)\$\$([^\$]*)\$\$(.*)$', re.M) # $$ a $$

    def handleMatch(self, m):
        if markdown.version_info < (2, 1, 0):
            math = asciimathml.parse(m.group(2).strip(), markdown.etree.Element,
                       markdown.AtomicString)
        else:
            math = asciimathml.parse(m.group(2).strip(),
                       markdown.util.etree.Element, markdown.util.AtomicString)
        math.set('xmlns', 'http://www.w3.org/1998/Math/MathML')
        return math

def makeExtension(configs=None):
    return ASCIIMathMLExtension(configs=configs)
Something went wrong with that request. Please try again.