fields.py 文件源码

def __init__(self, ndb_key_prop, graphql_type_name, *args, **kwargs):
        self.__ndb_key_prop = ndb_key_prop
        self.__graphql_type_name = graphql_type_name
        is_repeated = ndb_key_prop._repeated
        is_required = ndb_key_prop._required

        _type = String
        if is_repeated:
            _type = List(_type)

        if is_required:
            _type = NonNull(_type)

        kwargs['args'] = {
            'ndb': Argument(Boolean, False, description="Return an NDB id (key.id()) instead of a GraphQL global id")
        }

        super(NdbKeyStringField, self).__init__(_type, *args, **kwargs)