lib/services/rediscache.py

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2024-02-18 09:50:18 +00:00
import logging
import redis.asyncio as aredis
from settings import REDIS_URL
logger = logging.getLogger('[services.redis] ')
logger.setLevel(logging.DEBUG)
class RedisCache:
def __init__(self, uri=REDIS_URL):
self._uri: str = uri
self.pubsub_channels = []
self._client = None
async def connect(self):
self._client = aredis.Redis.from_url(self._uri, decode_responses=True)
async def disconnect(self):
if self._client:
await self._client.close()
async def execute(self, command, *args, **kwargs):
if self._client:
try:
logger.debug(f'{command} {args} {kwargs}')
r = await self._client.execute_command(command, *args, **kwargs)
logger.debug(type(r))
logger.debug(r)
return r
except Exception as e:
logger.error(e)
async def subscribe(self, *channels):
if self._client:
async with self._client.pubsub() as pubsub:
for channel in channels:
await pubsub.subscribe(channel)
self.pubsub_channels.append(channel)
async def unsubscribe(self, *channels):
if not self._client:
return
async with self._client.pubsub() as pubsub:
for channel in channels:
await pubsub.unsubscribe(channel)
self.pubsub_channels.remove(channel)
async def publish(self, channel, data):
if not self._client:
return
await self._client.publish(channel, data)
redis = RedisCache()
__all__ = ['redis']