mirror of
https://git.selfprivacy.org/SelfPrivacy/selfprivacy-rest-api.git
synced 2024-11-01 01:27:17 +00:00
59 lines
1.6 KiB
Python
59 lines
1.6 KiB
Python
"""
|
|
Redis pool module for selfprivacy_api
|
|
"""
|
|
|
|
import redis
|
|
import redis.asyncio as redis_async
|
|
from redis.asyncio.client import PubSub
|
|
|
|
|
|
REDIS_SOCKET = "/run/redis-sp-api/redis.sock"
|
|
|
|
|
|
class RedisPool:
|
|
"""
|
|
Redis connection pool singleton.
|
|
"""
|
|
|
|
def __init__(self):
|
|
self._dbnumber = 0
|
|
url = RedisPool.connection_url(dbnumber=self._dbnumber)
|
|
# We need a normal sync pool because otherwise
|
|
# our whole API will need to be async
|
|
self._pool = redis.ConnectionPool.from_url(
|
|
url,
|
|
decode_responses=True,
|
|
)
|
|
# We need an async pool for pubsub
|
|
self._async_pool = redis_async.ConnectionPool.from_url(
|
|
url,
|
|
decode_responses=True,
|
|
)
|
|
|
|
@staticmethod
|
|
def connection_url(dbnumber: int) -> str:
|
|
"""
|
|
redis://[[username]:[password]]@localhost:6379/0
|
|
unix://[username@]/path/to/socket.sock?db=0[&password=password]
|
|
"""
|
|
return f"unix://{REDIS_SOCKET}?db={dbnumber}"
|
|
|
|
def get_connection(self):
|
|
"""
|
|
Get a connection from the pool.
|
|
"""
|
|
return redis.Redis(connection_pool=self._pool)
|
|
|
|
def get_connection_async(self) -> redis_async.Redis:
|
|
"""
|
|
Get an async connection from the pool.
|
|
Async connections allow pubsub.
|
|
"""
|
|
return redis_async.Redis(connection_pool=self._async_pool)
|
|
|
|
async def subscribe_to_keys(self, pattern: str) -> PubSub:
|
|
async_redis = self.get_connection_async()
|
|
pubsub = async_redis.pubsub()
|
|
await pubsub.psubscribe(f"__keyspace@{self._dbnumber}__:" + pattern)
|
|
return pubsub
|