Get the xpathContext from an xpathParserContext

def context(self):
        """Get the xpathContext from an xpathParserContext """
        ret = libxml2mod.xmlXPathParserGetContext(self._o)
        if ret is None:raise xpathError('xmlXPathParserGetContext() failed')
        __tmp = xpathContext(_obj=ret)
        return __tmp