utils.py 文件源码

def connection_for_type(_type):
    class Connection(graphene.Connection):
        total_count = graphene.Int()

        class Meta:
            name = _type._meta.name + 'Connection'
            node = _type

        def resolve_total_count(self, args, context, info):
            return self.total_count if hasattr(self, "total_count") else len(self.edges)

    return Connection