64 lines
1.9 KiB
Python
64 lines
1.9 KiB
Python
import redis.asyncio as aredis
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import logging
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from settings import REDIS_URL
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# Set redis logging level to suppress DEBUG messages
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logger = logging.getLogger('redis')
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logger.setLevel(logging.WARNING)
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class RedisCache:
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def __init__(self, uri=REDIS_URL):
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self._uri: str = uri
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self.pubsub_channels = []
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self._client = None
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async def connect(self):
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self._client = aredis.Redis.from_url(self._uri, decode_responses=True)
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async def disconnect(self):
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if self._client:
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await self._client.close()
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async def execute(self, command, *args, **kwargs):
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if self._client:
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try:
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logger.debug(f'{command} {args} {kwargs}')
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for arg in args:
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if isinstance(arg, dict):
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if arg.get('_sa_instance_state'):
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del arg['_sa_instance_state']
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r = await self._client.execute_command(command, *args, **kwargs)
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logger.debug(type(r))
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logger.debug(r)
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return r
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except Exception as e:
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logger.error(e)
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async def subscribe(self, *channels):
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if self._client:
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async with self._client.pubsub() as pubsub:
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for channel in channels:
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await pubsub.subscribe(channel)
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self.pubsub_channels.append(channel)
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async def unsubscribe(self, *channels):
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if not self._client:
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return
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async with self._client.pubsub() as pubsub:
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for channel in channels:
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await pubsub.unsubscribe(channel)
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self.pubsub_channels.remove(channel)
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async def publish(self, channel, data):
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if not self._client:
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return
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await self._client.publish(channel, data)
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redis = RedisCache()
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__all__ = ['redis']
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