feat(redis): use asyncio

app/database/score.py

@@ -39,7 +39,7 @@ from .relationship import (
 )
 from .score_token import ScoreToken
 
-from redis import Redis
+from redis.asyncio import Redis
 from sqlalchemy import Column, ColumnExpressionArgument, DateTime
 from sqlalchemy.ext.asyncio import AsyncAttrs
 from sqlalchemy.orm import aliased

app/dependencies/database.py

@@ -5,15 +5,11 @@ import json
 from app.config import settings
 
 from pydantic import BaseModel
+import redis.asyncio as redis
 from sqlalchemy.ext.asyncio import create_async_engine
 from sqlmodel import SQLModel
 from sqlmodel.ext.asyncio.session import AsyncSession
 
-try:
-    import redis
-except ImportError:
-    redis = None
-
 
 def json_serializer(value):
     if isinstance(value, BaseModel | SQLModel):
@@ -25,10 +21,7 @@ def json_serializer(value):
 engine = create_async_engine(settings.DATABASE_URL, json_serializer=json_serializer)
 
 # Redis 连接
-if redis:
 redis_client = redis.from_url(settings.REDIS_URL, decode_responses=True)
-else:
-    redis_client = None
 
 
 # 数据库依赖

app/dependencies/fetcher.py

@@ -8,7 +8,7 @@ from app.log import logger
 fetcher: Fetcher | None = None
 
 
-def get_fetcher() -> Fetcher:
+async def get_fetcher() -> Fetcher:
     global fetcher
     if fetcher is None:
         fetcher = Fetcher(
@@ -18,11 +18,10 @@ def get_fetcher() -> Fetcher:
             settings.FETCHER_CALLBACK_URL,
         )
         redis = get_redis()
-        if redis:
+        access_token = await redis.get(f"fetcher:access_token:{fetcher.client_id}")
-            access_token = redis.get(f"fetcher:access_token:{fetcher.client_id}")
         if access_token:
             fetcher.access_token = str(access_token)
-            refresh_token = redis.get(f"fetcher:refresh_token:{fetcher.client_id}")
+        refresh_token = await redis.get(f"fetcher:refresh_token:{fetcher.client_id}")
         if refresh_token:
             fetcher.refresh_token = str(refresh_token)
         if not fetcher.access_token or not fetcher.refresh_token:

app/fetcher/_base.py

@@ -59,13 +59,12 @@ class BaseFetcher:
             self.refresh_token = token_data.get("refresh_token", "")
             self.token_expiry = int(time.time()) + token_data["expires_in"]
             redis = get_redis()
-            if redis:
+            await redis.set(
-                redis.set(
                 f"fetcher:access_token:{self.client_id}",
                 self.access_token,
                 ex=token_data["expires_in"],
             )
-                redis.set(
+            await redis.set(
                 f"fetcher:refresh_token:{self.client_id}",
                 self.refresh_token,
             )
@@ -87,13 +86,12 @@ class BaseFetcher:
             self.refresh_token = token_data.get("refresh_token", "")
             self.token_expiry = int(time.time()) + token_data["expires_in"]
             redis = get_redis()
-            if redis:
+            await redis.set(
-                redis.set(
                 f"fetcher:access_token:{self.client_id}",
                 self.access_token,
                 ex=token_data["expires_in"],
             )
-                redis.set(
+            await redis.set(
                 f"fetcher:refresh_token:{self.client_id}",
                 self.refresh_token,
             )

app/fetcher/osu_dot_direct.py

@@ -4,7 +4,7 @@ from ._base import BaseFetcher
 
 from httpx import AsyncClient
 from loguru import logger
-import redis
+import redis.asyncio as redis
 
 
 class OsuDotDirectFetcher(BaseFetcher):
@@ -23,7 +23,7 @@ class OsuDotDirectFetcher(BaseFetcher):
         self, redis: redis.Redis, beatmap_id: int
     ) -> str:
         if redis.exists(f"beatmap:{beatmap_id}:raw"):
-            return redis.get(f"beatmap:{beatmap_id}:raw")  # pyright: ignore[reportReturnType]
+            return await redis.get(f"beatmap:{beatmap_id}:raw")  # pyright: ignore[reportReturnType]
         raw = await self.get_beatmap_raw(beatmap_id)
-        redis.set(f"beatmap:{beatmap_id}:raw", raw, ex=60 * 60 * 24)
+        await redis.set(f"beatmap:{beatmap_id}:raw", raw, ex=60 * 60 * 24)
         return raw

app/router/beatmap.py

@@ -22,7 +22,7 @@ from .api_router import router
 from fastapi import Depends, HTTPException, Query
 from httpx import HTTPError, HTTPStatusError
 from pydantic import BaseModel
-from redis import Redis
+from redis.asyncio import Redis
 import rosu_pp_py as rosu
 from sqlmodel import col, select
 from sqlmodel.ext.asyncio.session import AsyncSession
@@ -127,8 +127,8 @@ async def get_beatmap_attributes(
         f"beatmap:{beatmap}:{ruleset}:"
         f"{hashlib.md5(str(mods_).encode()).hexdigest()}:attributes"
     )
-    if redis.exists(key):
+    if await redis.exists(key):
-        return BeatmapAttributes.model_validate_json(redis.get(key))  # pyright: ignore[reportArgumentType]
+        return BeatmapAttributes.model_validate_json(await redis.get(key))  # pyright: ignore[reportArgumentType]
 
     try:
         resp = await fetcher.get_or_fetch_beatmap_raw(redis, beatmap)
@@ -138,7 +138,7 @@ async def get_beatmap_attributes(
             )
         except rosu.ConvertError as e:  # pyright: ignore[reportAttributeAccessIssue]
             raise HTTPException(status_code=400, detail=str(e))
-        redis.set(key, attr.model_dump_json())
+        await redis.set(key, attr.model_dump_json())
         return attr
     except HTTPStatusError:
         raise HTTPException(status_code=404, detail="Beatmap not found")

app/router/room.py

@@ -6,7 +6,8 @@ from app.models.room import Room
 
 from .api_router import router
 
-from fastapi import Depends, HTTPException, Query
+from fastapi import Depends, Query
+from redis.asyncio import Redis
 from sqlmodel import select
 from sqlmodel.ext.asyncio.session import AsyncSession
 
@@ -19,17 +20,14 @@ async def get_all_rooms(
     status: str = Query(None),
     category: str = Query(None),
     db: AsyncSession = Depends(get_db),
+    redis: Redis = Depends(get_redis),
 ):
     all_room_ids = (await db.exec(select(RoomIndex).where(True))).all()
-    redis = get_redis()
     roomsList: list[Room] = []
-    if redis:
     for room_index in all_room_ids:
-            dumped_room = redis.get(str(room_index.id))
+        dumped_room = await redis.get(str(room_index.id))
         if dumped_room:
             actual_room = Room.model_validate_json(str(dumped_room))
             if actual_room.status == status and actual_room.category == category:
                 roomsList.append(actual_room)
     return roomsList
-    else:
-        raise HTTPException(status_code=500, detail="Redis Error")

app/router/score.py

@@ -18,7 +18,7 @@ from .api_router import router
 
 from fastapi import Depends, Form, HTTPException, Query
 from pydantic import BaseModel
-from redis import Redis
+from redis.asyncio import Redis
 from sqlalchemy.orm import joinedload
 from sqlmodel import col, select
 from sqlmodel.ext.asyncio.session import AsyncSession

main.py

@@ -4,7 +4,7 @@ from contextlib import asynccontextmanager
 from datetime import datetime
 
 from app.config import settings
-from app.dependencies.database import create_tables, engine
+from app.dependencies.database import create_tables, engine, redis_client
 from app.dependencies.fetcher import get_fetcher
 from app.router import api_router, auth_router, fetcher_router, signalr_router
 
@@ -15,10 +15,11 @@ from fastapi import FastAPI
 async def lifespan(app: FastAPI):
     # on startup
     await create_tables()
-    get_fetcher()  # 初始化 fetcher
+    await get_fetcher()  # 初始化 fetcher
     # on shutdown
     yield
     await engine.dispose()
+    await redis_client.aclose()
 
 
 app = FastAPI(title="osu! API 模拟服务器", version="1.0.0", lifespan=lifespan)