code: def _evaluate(self, message):
          
          return eval(
              self.code,
              globals(), {
                  "J": message,
                  "timedelta": timedelta,
                  "datetime": datetime,
                  "SKIP": self._SKIP})
docs: Evaluate the expression with the given Python object in its locals.
  
          @param message: A decoded JSON input.
  
          @return: The resulting object.