post.py 文件源码

def _pre_delete_hook(cls, key):
    post_db = key.get()
    vote_keys = post_db.get_vote_dbs(keys_only=True, limit=-1)[0]
    comment_keys = post_db.get_comment_dbs(keys_only=True, limit=-1)[0]
    ndb.delete_multi(vote_keys + comment_keys)