docs: def handle_exception(self, e, status=500):
          """Handle the given exception. Log, sets the response code and
          output the exception message as an error message.
  
          :param e: Exception which is being handled.
          :type e: :class:`Exception`
          :param status: Status code to set.
          :type status: int
          """
          logger.exception(
              "An exception occurred while handling the request: %s", e)
          self.response.body_raw = {'error': str(e)}
          self.response.status = status