执行 Ruff 安全自动修复

web/backend/routers/cookies.py

@@ -1,22 +1,24 @@
 """Cookie 管理路由"""
 
+import csv
+import io
 import threading
 from concurrent.futures import ThreadPoolExecutor, as_completed
-from datetime import datetime, timezone
+from datetime import UTC, datetime
+
 from fastapi import APIRouter, Depends, HTTPException, Query
 from fastapi.responses import StreamingResponse
 from sqlalchemy import case, func, or_
 from sqlalchemy.orm import Session, defer, joinedload
-import io
-import csv
 
-from ..database import get_db, SessionLocal
-from ..models import User, LoginTask, Account, AuditLog, ProxyConfig as ProxyConfigModel
+from ..database import SessionLocal, get_db
 from ..deps import get_current_user, require_permission
-from ..permissions import user_has_permission, get_user_permissions
+from ..models import Account, AuditLog, LoginTask, User
+from ..models import ProxyConfig as ProxyConfigModel
+from ..permissions import get_user_permissions, user_has_permission
 from ..schemas import CookieReloginRequest
-from ..services.login_service import BatchRegistry, LoginBatchRunner, get_relogin_limits
 from ..services.cookie_check_service import check_douyu_cookie
+from ..services.login_service import BatchRegistry, LoginBatchRunner, get_relogin_limits
 
 
 def _fmt_dt(dt) -> str | None:
@@ -24,7 +26,7 @@ def _fmt_dt(dt) -> str | None:
     if dt is None:
         return None
     if dt.tzinfo is None:
-        dt = dt.replace(tzinfo=timezone.utc)
+        dt = dt.replace(tzinfo=UTC)
     return dt.isoformat()
 
 
@@ -491,7 +493,7 @@ def _check_cookies(ids: str, db: Session, current: User, *, detailed: bool) -> d
                         "fish_ball": None,
                         "nickname": None,
                         "level": None,
-                        "checked_at": datetime.now(timezone.utc).isoformat(),
+                        "checked_at": datetime.now(UTC).isoformat(),
                     }
                 )
     results.sort(key=lambda item: item["id"])
@@ -509,7 +511,7 @@ def _check_cookies(ids: str, db: Session, current: User, *, detailed: bool) -> d
             "level": item.get("level"),
             "message": item.get("message", ""),
         }
-        task.ck_checked_at = datetime.now(timezone.utc)
+        task.ck_checked_at = datetime.now(UTC)
     db.add(
         AuditLog(
             user_id=current.id,
@@ -571,7 +573,7 @@ def _start_relogin_tasks(
         if not acc.password or not acc.email:
             task.status = "relogin_failed"
             task.message = "重新登录失败: 账号缺少密码或邮箱，旧 Cookie 已保留"
-            task.finished_at = datetime.now(timezone.utc)
+            task.finished_at = datetime.now(UTC)
             skipped.append(task.id)
             continue
         if task.status in {"relogin_pending", "relogin_running"}: