wip: redis, sqlalchemy, structured, etc

redis/__init__.py

@@ -0,0 +1,5 @@
+from redis.client import Redis
+
+redis = Redis()
+
+__all__ = ['redis']

redis/client.py

@@ -0,0 +1,51 @@
+from typing import Optional
+
+import aioredis
+from aioredis import ConnectionsPool
+
+from settings import REDIS_URL
+
+
+class Redis:
+    def __init__(self, uri=REDIS_URL):
+        self._uri: str = uri
+        self._pool: Optional[ConnectionsPool] = None
+
+    async def connect(self):
+        if self._pool is not None:
+            return
+        pool = await aioredis.create_pool(self._uri)
+        self._pool = pool
+
+    async def disconnect(self):
+        if self._pool is None:
+            return
+        self._pool.close()
+        await self._pool.wait_closed()
+        self._pool = None
+
+    async def execute(self, command, *args, **kwargs):
+        return await self._pool.execute(command, *args, **kwargs, encoding="UTF-8")
+
+
+async def test():
+    redis = Redis()
+    from datetime import datetime
+
+    await redis.connect()
+    await redis.execute("SET", "1-KEY1", 1)
+    await redis.execute("SET", "1-KEY2", 1)
+    await redis.execute("SET", "1-KEY3", 1)
+    await redis.execute("SET", "1-KEY4", 1)
+    await redis.execute("EXPIREAT", "1-KEY4", int(datetime.utcnow().timestamp()))
+    v = await redis.execute("KEYS", "1-*")
+    print(v)
+    await redis.execute("DEL", *v)
+    v = await redis.execute("KEYS", "1-*")
+    print(v)
+
+
+if __name__ == '__main__':
+    import asyncio
+
+    asyncio.run(test())