ruff fix

app/router/v2/cache.py

@@ -2,15 +2,15 @@
 缓存管理和监控接口
 提供缓存统计、清理和预热功能
 """
+
 from __future__ import annotations
 
 from app.dependencies.database import get_redis
-from app.dependencies.user import get_current_user
 from app.service.user_cache_service import get_user_cache_service
 
 from .router import router
 
-from fastapi import Depends, HTTPException, Security
+from fastapi import Depends, HTTPException
 from pydantic import BaseModel
 from redis.asyncio import Redis
 
@@ -34,7 +34,7 @@ async def get_cache_stats(
     try:
         cache_service = get_user_cache_service(redis)
         user_cache_stats = await cache_service.get_cache_stats()
-        
+
         # 获取 Redis 基本信息
         redis_info = await redis.info()
         redis_stats = {
@@ -47,20 +47,17 @@ async def get_cache_stats(
             "evicted_keys": redis_info.get("evicted_keys", 0),
             "expired_keys": redis_info.get("expired_keys", 0),
         }
-        
+
         # 计算缓存命中率
         hits = redis_stats["keyspace_hits"]
         misses = redis_stats["keyspace_misses"]
         hit_rate = hits / (hits + misses) * 100 if (hits + misses) > 0 else 0
         redis_stats["cache_hit_rate_percent"] = round(hit_rate, 2)
-        
-        return CacheStatsResponse(
-            user_cache=user_cache_stats,
-            redis_info=redis_stats
-        )
-        
+
+        return CacheStatsResponse(user_cache=user_cache_stats, redis_info=redis_stats)
+
     except Exception as e:
-        raise HTTPException(500, f"Failed to get cache stats: {str(e)}")
+        raise HTTPException(500, f"Failed to get cache stats: {e!s}")
 
 
 @router.post(
@@ -80,7 +77,7 @@ async def invalidate_user_cache(
         await cache_service.invalidate_v1_user_cache(user_id)
         return {"message": f"Cache invalidated for user {user_id}"}
     except Exception as e:
-        raise HTTPException(500, f"Failed to invalidate cache: {str(e)}")
+        raise HTTPException(500, f"Failed to invalidate cache: {e!s}")
 
 
 @router.post(
@@ -98,15 +95,15 @@ async def clear_all_user_cache(
         user_keys = await redis.keys("user:*")
         v1_user_keys = await redis.keys("v1_user:*")
         all_keys = user_keys + v1_user_keys
-        
+
         if all_keys:
             await redis.delete(*all_keys)
             return {"message": f"Cleared {len(all_keys)} cache entries"}
         else:
             return {"message": "No cache entries found"}
-            
+
     except Exception as e:
-        raise HTTPException(500, f"Failed to clear cache: {str(e)}")
+        raise HTTPException(500, f"Failed to clear cache: {e!s}")
 
 
 class CacheWarmupRequest(BaseModel):
@@ -127,18 +124,22 @@ async def warmup_cache(
 ):
     try:
         cache_service = get_user_cache_service(redis)
-        
+
         if request.user_ids:
             # 预热指定用户
             from app.dependencies.database import with_db
+
             async with with_db() as session:
                 await cache_service.preload_user_cache(session, request.user_ids)
             return {"message": f"Warmed up cache for {len(request.user_ids)} users"}
         else:
             # 预热活跃用户
-            from app.scheduler.user_cache_scheduler import schedule_user_cache_preload_task
+            from app.scheduler.user_cache_scheduler import (
+                schedule_user_cache_preload_task,
+            )
+
             await schedule_user_cache_preload_task()
             return {"message": f"Warmed up cache for top {request.limit} active users"}
-            
+
     except Exception as e:
-        raise HTTPException(500, f"Failed to warmup cache: {str(e)}")
+        raise HTTPException(500, f"Failed to warmup cache: {e!s}")