code: def enable_batch(self, onerror="continue"):
  
          
  
          self.batch_request = True
          self.batch_request_id = 1
  
          self._create_batch_node(onerror)
docs: Enables batch request gathering.
  
          Do this first and then consecutively call "add_request" to add more
          requests.
  
          :param onerror: "continue" (default) if one request fails (and
            response with soap Faults for the request) or "stop" processing.