auth_doc = grab_xml(self.params["auth"], 0)
vbase = auth_doc.xpath("//auth:server/text()", namespaces=NS)[0]
token = auth_doc.xpath("//auth:token/text()", namespaces=NS)[0]
auth_doc = grab_xml(self.params["auth"], 0)
vbase = auth_doc.xpath("//auth:server/text()", namespaces=NS)[0]
token = auth_doc.xpath("//auth:token/text()", namespaces=NS)[0]