title = doc.xpath(u'/db:article/db:info/db:title',namespaces=const.XPATH)
menu = doc.xpath(u'/db:article/db:info/db:titleabbrev',namespaces=const.XPATH)
if title and menu:
title = doc.xpath(u'/db:article/db:info/db:title',namespaces=const.XPATH)
menu = doc.xpath(u'/db:article/db:info/db:titleabbrev',namespaces=const.XPATH)
if title and menu: