style: normalize python formatting gates

apps/api/app/middleware/versioning.py

@@ -1,14 +1,16 @@
 """
 API 版本管理中间件
 """
+
+from datetime import datetime
+
 from fastapi import Request
 from starlette.middleware.base import BaseHTTPMiddleware
-from datetime import datetime
 
 
 class APIVersionMiddleware(BaseHTTPMiddleware):
     """API 版本管理中间件"""
-    
+
     # 版本配置
     VERSIONS = {
         "v1": {
@@ -24,33 +26,31 @@ class APIVersionMiddleware(BaseHTTPMiddleware):
             "release_date": None,
         },
     }
-    
+
     async def dispatch(self, request: Request, call_next):
         # 提取版本号
         version = self._extract_version(request.url.path)
-        
+
         # 处理请求
         response = await call_next(request)
-        
+
         # 添加版本信息头
         if version:
             response.headers["X-API-Version"] = version
-            
+
             # 添加弃用警告
             version_info = self.VERSIONS.get(version, {})
             if version_info.get("deprecated"):
                 response.headers["X-API-Deprecated"] = "true"
-                
+
                 sunset_date = version_info.get("sunset_date")
                 if sunset_date:
                     response.headers["X-API-Sunset-Date"] = sunset_date
-                
-                response.headers["X-API-Deprecation-Info"] = (
-                    f"https://docs.xiaoxia-saas.com/api/deprecation/{version}"
-                )
-        
+
+                response.headers["X-API-Deprecation-Info"] = f"https://docs.xiaoxia-saas.com/api/deprecation/{version}"
+
         return response
-    
+
     def _extract_version(self, path: str) -> str:
         """从路径中提取版本号"""
         parts = path.split("/")
@@ -62,14 +62,15 @@ class APIVersionMiddleware(BaseHTTPMiddleware):
 
 class VersionNotFoundMiddleware(BaseHTTPMiddleware):
     """处理已下线的 API 版本"""
-    
+
     SUNSET_VERSIONS = []  # 已下线的版本列表
-    
+
     async def dispatch(self, request: Request, call_next):
         version = self._extract_version(request.url.path)
-        
+
         if version in self.SUNSET_VERSIONS:
             from fastapi.responses import JSONResponse
+
             return JSONResponse(
                 status_code=410,
                 content={
@@ -77,13 +78,13 @@ class VersionNotFoundMiddleware(BaseHTTPMiddleware):
                         "code": "API_VERSION_SUNSET",
                         "message": f"API {version} has been sunset and is no longer available",
                         "sunset_date": "2028-07-01",
-                        "migration_guide": f"https://docs.xiaoxia-saas.com/api/migration/{version}"
+                        "migration_guide": f"https://docs.xiaoxia-saas.com/api/migration/{version}",
                     }
-                }
+                },
             )
-        
+
         return await call_next(request)
-    
+
     def _extract_version(self, path: str) -> str:
         """从路径中提取版本号"""
         parts = path.split("/")