44 lines
981 B
Python
44 lines
981 B
Python
import threading
|
|
from typing import Callable
|
|
|
|
import redis
|
|
|
|
room_list_key = "bilibili.live.danmu.room_list"
|
|
r: redis.Redis | None = None
|
|
on_room_changed: Callable[[list[int]], None] = lambda ignore: None
|
|
|
|
|
|
def init(redis_conf: dict | None):
|
|
global r
|
|
|
|
if redis_conf is None:
|
|
return
|
|
|
|
r = redis.Redis(
|
|
host=redis_conf.get("host", "127.0.0.1"),
|
|
port=redis_conf.get("port", 6379),
|
|
db=redis_conf.get("port", 0),
|
|
)
|
|
|
|
# run subscribe_redis on new thread
|
|
threading.Thread(target=subscribe_redis, daemon=True).start()
|
|
|
|
|
|
def get_room_list() -> list[int]:
|
|
if r is None:
|
|
return []
|
|
|
|
return [int(room_id) for room_id in set(r.lrange(room_list_key, 0, -1))]
|
|
|
|
|
|
def subscribe_redis():
|
|
p = r.pubsub()
|
|
p.psubscribe(**{f"__keyspace@0__:{room_list_key}": room_changed_handler})
|
|
for message in p.listen():
|
|
pass
|
|
|
|
|
|
# noinspection PyUnusedLocal
|
|
def room_changed_handler(ignore):
|
|
on_room_changed(get_room_list())
|