63 lines
1.8 KiB
Python
63 lines
1.8 KiB
Python
import redis.asyncio as aredis
|
|
|
|
from settings import REDIS_URL
|
|
import logging
|
|
|
|
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(command + " " + " ".join(args))
|
|
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)
|
|
|
|
async def mget(self, *keys):
|
|
return await self.execute('MGET', *keys)
|
|
|
|
async def lrange(self, key, start, stop):
|
|
return await self.execute('LRANGE', key, start, stop)
|
|
|
|
redis = RedisCache()
|
|
|
|
__all__ = ["redis"]
|