code: def parse_manage_name_id_request(self, xmlstr, binding=BINDING_SOAP):
          
  
          return self._parse_request(xmlstr, saml_request.ManageNameIDRequest,
                                     "manage_name_id_service", binding)
docs: Deal with a LogoutRequest
  
          :param xmlstr: The response as a xml string
          :param binding: What type of binding this message came through.
          :return: None if the reply doesn't contain a valid SAML LogoutResponse,
              otherwise the reponse if the logout was successful and None if it
              was not.