style: normalize python formatting gates

apps/api/app/middleware/exceptions.py

@@ -1,19 +1,21 @@
 """
 全局异常处理和错误响应
 """
-from fastapi import Request, status
-from fastapi.responses import JSONResponse
-from fastapi.exceptions import RequestValidationError
-from starlette.exceptions import HTTPException as StarletteHTTPException
-import traceback
+
 import logging
+import traceback
+
+from fastapi import Request, status
+from fastapi.exceptions import RequestValidationError
+from fastapi.responses import JSONResponse
+from starlette.exceptions import HTTPException as StarletteHTTPException
 
 logger = logging.getLogger(__name__)
 
 
 class APIException(Exception):
     """API 异常基类"""
-    
+
     def __init__(
         self,
         message: str,
@@ -28,7 +30,7 @@ class APIException(Exception):
 
 class AuthenticationError(APIException):
     """认证错误"""
-    
+
     def __init__(self, message: str = "Authentication failed"):
         super().__init__(
             message=message,
@@ -39,7 +41,7 @@ class AuthenticationError(APIException):
 
 class PermissionDeniedError(APIException):
     """权限拒绝"""
-    
+
     def __init__(self, message: str = "Permission denied"):
         super().__init__(
             message=message,
@@ -50,7 +52,7 @@ class PermissionDeniedError(APIException):
 
 class ResourceNotFoundError(APIException):
     """资源不存在"""
-    
+
     def __init__(self, resource: str = "Resource"):
         super().__init__(
             message=f"{resource} not found",
@@ -61,7 +63,7 @@ class ResourceNotFoundError(APIException):
 
 class ValidationError(APIException):
     """验证错误"""
-    
+
     def __init__(self, message: str):
         super().__init__(
             message=message,
@@ -100,12 +102,14 @@ async def validation_exception_handler(request: Request, exc: RequestValidationE
     """请求验证异常处理"""
     errors = []
     for error in exc.errors():
-        errors.append({
-            "field": ".".join(str(loc) for loc in error["loc"]),
-            "message": error["msg"],
-            "type": error["type"],
-        })
-    
+        errors.append(
+            {
+                "field": ".".join(str(loc) for loc in error["loc"]),
+                "message": error["msg"],
+                "type": error["type"],
+            }
+        )
+
     return JSONResponse(
         status_code=status.HTTP_422_UNPROCESSABLE_ENTITY,
         content={
@@ -121,7 +125,7 @@ async def validation_exception_handler(request: Request, exc: RequestValidationE
 async def general_exception_handler(request: Request, exc: Exception):
     """通用异常处理"""
     logger.error(f"Unhandled exception: {exc}", exc_info=True)
-    
+
     # 生产环境不返回详细错误信息
     return JSONResponse(
         status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,