MibooGram/core/base/redisdb.py
2022-09-08 12:57:22 +08:00

45 lines
1.5 KiB
Python

import asyncio
import fakeredis.aioredis
from redis import asyncio as aioredis
from typing_extensions import Self
from core.config import BotConfig
from core.service import Service
from utils.log import logger
class RedisDB(Service):
@classmethod
def from_config(cls, config: BotConfig) -> Self:
return cls(**config.redis.dict())
def __init__(self, host="127.0.0.1", port=6379, database=0, loop=None):
self.client = aioredis.Redis(host=host, port=port, db=database)
self.ttl = 600
self.key_prefix = "paimon_bot"
self._loop = loop
async def ping(self):
if await self.client.ping():
logger.info("连接 [red]Redis[/] 成功", extra={'markup': True})
else:
logger.info("连接 [red]Redis[/] 失败", extra={'markup': True})
raise RuntimeError("连接 Redis 失败")
async def start(self): # pylint: disable=W0221
if self._loop is None:
self._loop = asyncio.get_running_loop()
logger.info("正在尝试建立与 [red]Redis[/] 连接", extra={'markup': True})
try:
await self.ping()
except (KeyboardInterrupt, SystemExit):
pass
except BaseException as exc:
logger.warning("尝试连接 [red]Redis[/] 失败,使用 [red]fakeredis[/] 模拟", exc, extra={'markup': True})
self.client = fakeredis.aioredis.FakeRedis()
await self.ping()
async def stop(self): # pylint: disable=W0221
await self.client.close()