feat(recommend): add semaphore to limit concurrent requests

app/api/endpoints/mediaserver.py

@@ -1,3 +1,4 @@
+import asyncio
 from typing import Any, List, Dict
 
 from fastapi import APIRouter, Depends
@@ -42,8 +43,12 @@ def play_item(itemid: str, _: schemas.TokenPayload = Depends(verify_token)) -> s
     return schemas.Response(success=False, message="未找到播放地址")
 
 
+# 控制最大并发数
+semaphore = asyncio.Semaphore(10)
+
+
 @router.get("/exists", summary="查询本地是否存在（数据库）", response_model=schemas.Response)
-def exists_local(title: str = None,
+async def exists_local(title: str = None,
                  year: int = None,
                  mtype: str = None,
                  tmdbid: int = None,
@@ -53,6 +58,7 @@ def exists_local(title: str = None,
     """
     判断本地是否存在
     """
+    async with semaphore:
         meta = MetaInfo(title)
         if not season:
             season = meta.begin_season

app/api/endpoints/subscribe.py

@@ -1,3 +1,4 @@
+import asyncio
 from typing import List, Any
 
 import cn2an
@@ -146,8 +147,12 @@ def update_subscribe_status(
     return schemas.Response(success=True)
 
 
+# 控制最大并发数
+semaphore = asyncio.Semaphore(10)
+
+
 @router.get("/media/{mediaid}", summary="查询订阅", response_model=schemas.Subscribe)
-def subscribe_mediaid(
+async def subscribe_mediaid(
         mediaid: str,
         season: int = None,
         title: str = None,
@@ -156,6 +161,7 @@ def subscribe_mediaid(
     """
     根据 TMDBID/豆瓣ID/BangumiId 查询订阅 tmdb:/douban:
     """
+    async with semaphore:
         result = None
         title_check = False
         if mediaid.startswith("tmdb:"):