code: def htmlCreatePushParser(SAX, chunk, size, URI):
      
      ret = libxml2mod.htmlCreatePushParser(SAX, chunk, size, URI)
      if ret is None:raise parserError('htmlCreatePushParser() failed')
      return parserCtxt(_obj=ret)
docs: Create a progressive HTML parser context to build either an
        event flow if the SAX object is not None, or a DOM tree
         otherwise.