extract the parsely-page meta content from a page

def _get_parselypage(self, body):
        """extract the parsely-page meta content from a page"""
        parser = ParselyPageParser()
        ret = None
        try:
            parser.feed(body)
        except HTMLParseError:
            pass  # ignore and hope we got ppage
        if parser.ppage is None:
            return

        ret = parser.ppage
        if ret:
            ret = {parser.original_unescape(k): parser.original_unescape(v)
                   for k, v in iteritems(ret)}
        return ret