style: 统一 Ruff 代码格式

core/douyu/proxy_verifier.py

@@ -16,24 +16,24 @@ def verify_proxy_url(proxy_url: str, timeout: tuple = (3, 5)) -> tuple[bool, str
     Returns:
         (是否可用, 消息)
     """
-    proxies = {'http': proxy_url, 'https': proxy_url}
+    proxies = {"http": proxy_url, "https": proxy_url}
 
     # ── 斗鱼主站可达性验证 ──
     try:
         response = requests.get(
-            'https://www.douyu.com',
+            "https://www.douyu.com",
             proxies=proxies,
             timeout=timeout,
-            headers={'User-Agent': 'Mozilla/5.0'},
+            headers={"User-Agent": "Mozilla/5.0"},
         )
         response.raise_for_status()
-        return True, '代理可用 → 斗鱼可达'
+        return True, "代理可用 → 斗鱼可达"
     except Exception as exc:
         err_msg = str(exc)
-        if 'Tunnel connection failed' in err_msg or '503' in err_msg:
-            detail = '代理拒绝连接（白名单可能未生效）'
-        elif 'timed out' in err_msg.lower():
-            detail = '连接超时'
+        if "Tunnel connection failed" in err_msg or "503" in err_msg:
+            detail = "代理拒绝连接（白名单可能未生效）"
+        elif "timed out" in err_msg.lower():
+            detail = "连接超时"
         else:
             detail = type(exc).__name__
         logger.debug(f"代理验证失败 [{proxy_url}]: 斗鱼主站不可达: {detail}")
@@ -54,7 +54,7 @@ def verify_proxies_concurrent(
         return_all=True: (可用代理 URL 列表或 None, 消息)
     """
     if not proxy_urls:
-        return None, '无代理可验证'
+        return None, "无代理可验证"
 
     if len(proxy_urls) == 1:
         ok, msg = verify_proxy_url(proxy_urls[0], timeout)
@@ -64,7 +64,9 @@ def verify_proxies_concurrent(
 
     if return_all:
         available: list[str] = []
-        with ThreadPoolExecutor(max_workers=min(max_workers, len(proxy_urls))) as executor:
+        with ThreadPoolExecutor(
+            max_workers=min(max_workers, len(proxy_urls))
+        ) as executor:
             future_map = {
                 executor.submit(verify_proxy_url, proxy, timeout): proxy
                 for proxy in proxy_urls
@@ -77,9 +79,11 @@ def verify_proxies_concurrent(
                 except Exception:
                     continue
         if available:
-            logger.success(f"并发验证找到 {len(available)}/{len(proxy_urls)} 个可用代理")
-            return available, f'找到 {len(available)} 个可用代理'
-        return None, f'共 {len(proxy_urls)} 个代理均不可用'
+            logger.success(
+                f"并发验证找到 {len(available)}/{len(proxy_urls)} 个可用代理"
+            )
+            return available, f"找到 {len(available)} 个可用代理"
+        return None, f"共 {len(proxy_urls)} 个代理均不可用"
 
     with ThreadPoolExecutor(max_workers=min(max_workers, len(proxy_urls))) as executor:
         future_map = {
@@ -99,4 +103,4 @@ def verify_proxies_concurrent(
             except Exception:
                 continue
 
-    return None, f'共 {len(proxy_urls)} 个代理均不可用'
+    return None, f"共 {len(proxy_urls)} 个代理均不可用"