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

from markdown.inlinepatterns import Pattern
import markdown, urllib


class MathPattern(Pattern):
    def __init__(self,md):
        Pattern.__init__(self,"!\[math\]\((.*?)\)",md)
    def handleMatch(self, m):
        texcode=m.group(2).replace("\x02klzzwxh:0000\x03","\\") #silly issue
        el = markdown.etree.Element('img')
        el.attrib["src"]="mimetex.cgi?"+\
            urllib.urlencode({'':texcode})[1:]
        
        el.attrib["alt"]=texcode
        return el
        
class MathExtension(markdown.Extension):
    def extendMarkdown(self, md, md_globals):
        md.inlinePatterns.add('math', MathPattern(md), '<image_link')