mirror of
https://github.com/PaiGramTeam/PamGram.git
synced 2024-11-25 15:42:14 +00:00
50 lines
1.9 KiB
Python
50 lines
1.9 KiB
Python
import asyncio
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from typing import Optional, Union
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import fakeredis.aioredis
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from redis import asyncio as aioredis
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from redis.exceptions import ConnectionError as RedisConnectionError, TimeoutError as RedisTimeoutError
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from typing_extensions import Self
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from core.config import BotConfig
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from core.service import Service
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from utils.log import logger
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class RedisDB(Service):
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@classmethod
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def from_config(cls, config: BotConfig) -> Self:
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return cls(**config.redis.dict())
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def __init__(
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self, host: str = "127.0.0.1", port: int = 6379, database: Union[str, int] = 0, password: Optional[str] = None
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):
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self.client = aioredis.Redis(host=host, port=port, db=database, password=password)
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self.ttl = 600
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self.key_prefix = "paimon_bot"
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async def ping(self):
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if await self.client.ping():
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logger.info("连接 [red]Redis[/] 成功", extra={"markup": True})
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else:
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logger.info("连接 [red]Redis[/] 失败", extra={"markup": True})
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raise RuntimeError("连接 Redis 失败")
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async def start_fake_redis(self):
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self.client = fakeredis.aioredis.FakeRedis()
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await self.ping()
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async def start(self): # pylint: disable=W0221
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logger.info("正在尝试建立与 [red]Redis[/] 连接", extra={"markup": True})
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try:
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await self.ping()
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except (RedisTimeoutError, RedisConnectionError) as exc:
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if isinstance(exc, RedisTimeoutError):
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logger.warning("连接 [red]Redis[/] 超时，使用 [red]fakeredis[/] 模拟", extra={"markup": True})
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if isinstance(exc, RedisConnectionError):
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logger.warning("连接 [red]Redis[/] 失败，使用 [red]fakeredis[/] 模拟", extra={"markup": True})
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await self.start_fake_redis()
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async def stop(self): # pylint: disable=W0221
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await self.client.close()
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