def import_ban_user(self):
usernames = self.db["users"].find({"status.disable": True},
projection={"username": True})
r = Redis().r
r.delete("user_blacklist")
logging.info("Importing ban users to redis...%s", usernames)
for username in [u["username"] for u in usernames]:
r.hset("user_blacklist", username, 100)
r.close()
