执行 Ruff 安全自动修复

core/douyu/email_verifier.py

@@ -6,11 +6,9 @@ import re
 import threading
 import time
 from datetime import datetime, timedelta
-from typing import Optional
 
-from loguru import logger
 import requests
-
+from loguru import logger
 
 # Roundcube Webmail 地址。可通过环境变量覆盖。空值时回退到默认。
 ROUNDCUBE_URL = os.getenv("MAIL_ROUNDCUBE_URL") or "http://111.229.206.54:8000/"
@@ -40,7 +38,7 @@ class EmailVerifier:
         max_messages: int = 20,
         use_ssl: bool = False,
         roundcube_url: str = "",
-        backup_passwords: Optional[list[str]] = None,
+        backup_passwords: list[str] | None = None,
     ):
         # 兼容旧参数名
         self.imap_server = imap_server
@@ -54,14 +52,13 @@ class EmailVerifier:
         )
 
         # Roundcube 会话（懒初始化）
-        self._rc_session: Optional[requests.Session] = None
-        self._rc_token: Optional[str] = None
+        self._rc_session: requests.Session | None = None
+        self._rc_token: str | None = None
         self._rc_logged_in = False
         self._rc_login_error = ""
 
     def connect(self) -> None:
         """兼容接口"""
-        pass
 
     def disconnect(self) -> None:
         """关闭 Roundcube 会话"""
@@ -239,7 +236,7 @@ class EmailVerifier:
 
     # ── Roundcube 读取邮件内容 ─────────────────────────────
 
-    def _rc_fetch_email_body(self, uid: int) -> Optional[str]:
+    def _rc_fetch_email_body(self, uid: int) -> str | None:
         """通过 Roundcube 读取指定 UID 邮件的正文"""
         if not self._ensure_roundcube_session():
             if self._rc_login_error:
@@ -262,7 +259,7 @@ class EmailVerifier:
     # ── Roundcube 日期解析 ─────────────────────────────────
 
     @staticmethod
-    def _parse_rc_date(date_str: str) -> Optional[datetime]:
+    def _parse_rc_date(date_str: str) -> datetime | None:
         """
         解析 Roundcube 返回的日期字符串为 datetime。
 
@@ -363,9 +360,9 @@ class EmailVerifier:
         self,
         max_wait: int = 60,
         interval: int = 3,
-        after_timestamp: Optional[float] = None,
+        after_timestamp: float | None = None,
         allow_old_seconds: int = 15,
-        stop_event: Optional[threading.Event] = None,
+        stop_event: threading.Event | None = None,
     ) -> str:
         """
         轮询获取斗鱼验证码。
@@ -417,9 +414,9 @@ class EmailVerifier:
 
     def _fetch_code_via_roundcube(
         self,
-        after_timestamp: Optional[float] = None,
+        after_timestamp: float | None = None,
         allow_old_seconds: int = 15,
-    ) -> Optional[str]:
+    ) -> str | None:
         """通过 Roundcube API 获取最新斗鱼验证码"""
         messages = self._rc_fetch_mail_list()
 
@@ -465,7 +462,7 @@ class EmailVerifier:
 
     # ── 通用工具方法 ───────────────────────────────────────
 
-    def _extract_verification_code(self, text: str) -> Optional[str]:
+    def _extract_verification_code(self, text: str) -> str | None:
         """从文本中提取6位验证码"""
         # 清理HTML标签和实体
         text = html.unescape(text)