document.py 文件源码

def get_friend_list(user_id, skip=0, limit=None):
        '''???????????

        :Parameters:
          - `user_id`: ????
        '''

        owner = DBRef(UserDocument.meta['collection'], ObjectId(user_id))
        cursor = FriendDocument.find({'owner': owner}).sort(
            [('be_time', pymongo.DESCENDING)]
        ).skip(skip)

        if limit is not None:
            cursor = cursor.limit(limit)

        friends = yield FriendDocument.to_list(cursor)
        friend_list = yield FriendDocument._gen_friend_list(
            friends, "friend"
        )

        raise gen.Return(friend_list)