@property
  def type(self):
    if self.__type is None:
      found_type = find_definition(self.__type_name, self.message_definition())
      if not (found_type is not Enum and
              isinstance(found_type, type) and
              issubclass(found_type, Enum)):
        raise FieldDefinitionError('Invalid enum type: %s' % found_type)

      self.__type = found_type
    return self.__type
Enum type used for field.
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/protorpc/protorpc/messages.py/EnumField.type