style: auto-format with black + isort + ruff + prettier [skip ci-format-check]

apps/api/app/api/routes/scripts_ai.py

@@ -356,7 +356,7 @@ def _fetch_ttwid():
     # 方式一：直接调 ttwid 注册接口
     try:
         with httpx.Client(timeout=8, follow_redirects=True, verify=False) as http:
-            r = http.post(
+            http.post(
                 "https://ttwid.bytedance.com/ttwid/union/register/",
                 json={
                     "region": "cn",
@@ -769,7 +769,7 @@ def _ytdlp_download_and_local_asr(page_url, temp_dir, cookiefile=None):
         cookie_files_to_try.append(cookiefile)
 
     # 2. 合成 cookie 重试（复用 _ytdlp_extract 的 cookie 生成逻辑，8次重试）
-    import secrets, time as _time
+    import time as _time
     ttwid = _fetch_ttwid()
     for i in range(8):
         if i % 3 == 0:
@@ -945,9 +945,10 @@ def _html_scrape_direct_url(page_url, timeout=15):
 @router.get("/douyin/__debug_diag")
 def douyin_diag():
     """[Staging only] 容器内网络/yt-dlp诊断"""
-    import httpx as _httpx
-    import time as _t
     import tempfile as _tf
+    import time as _t
+
+    import httpx as _httpx
     import yt_dlp as _ytdlp
 
     results = {}

packages/douyin_parser/__init__.py

@@ -4,6 +4,7 @@
 接口直接返回 aweme_list 包含视频元信息和 play_addr 无水印直链。
 此接口不需要任何签名算法、不需要 cookies、不需要特殊 TLS 指纹，稳定性 >95%。
 """
+
 from __future__ import annotations
 
 import logging
@@ -41,7 +42,12 @@ def _pick_best_url(url_list):
         return None
     for host_hint in _CDN_HOSTS:
         for u in url_list:
-            if isinstance(u, str) and host_hint in u and u.endswith(".mp4") or (isinstance(u, str) and host_hint in u and "/mp4/" in u):
+            if (
+                isinstance(u, str)
+                and host_hint in u
+                and u.endswith(".mp4")
+                or (isinstance(u, str) and host_hint in u and "/mp4/" in u)
+            ):
                 return u
     for host_hint in _CDN_HOSTS:
         for u in url_list:
@@ -66,7 +72,9 @@ def _extract_aweme_id(url: str) -> Optional[str]:
     return None
 
 
-def fetch_douyin_video_url(page_url: str, timeout: int = 15, max_retries: int = 3) -> Tuple[Optional[str], Optional[str]]:
+def fetch_douyin_video_url(
+    page_url: str, timeout: int = 15, max_retries: int = 3
+) -> Tuple[Optional[str], Optional[str]]:
     """通过抖音 App Feed API 获取视频无水印直链和文案。
 
     Args:
@@ -117,7 +125,9 @@ def fetch_douyin_video_url(page_url: str, timeout: int = 15, max_retries: int =
                 continue
 
             if len(resp.text) < 100:
-                logger.warning("Feed API 第%d次: 返回内容过短 len=%d body=%s", attempt + 1, len(resp.text), resp.text[:100])
+                logger.warning(
+                    "Feed API 第%d次: 返回内容过短 len=%d body=%s", attempt + 1, len(resp.text), resp.text[:100]
+                )
                 time.sleep(0.5 * (attempt + 1))
                 continue
 
@@ -128,7 +138,9 @@ def fetch_douyin_video_url(page_url: str, timeout: int = 15, max_retries: int =
                 status_msg = data.get("status_msg", "")
                 logger.warning(
                     "Feed API 第%d次: aweme_list 为空 status_code=%s msg=%s",
-                    attempt + 1, status_code, status_msg,
+                    attempt + 1,
+                    status_code,
+                    status_msg,
                 )
                 time.sleep(0.5 * (attempt + 1))
                 continue
@@ -147,8 +159,12 @@ def fetch_douyin_video_url(page_url: str, timeout: int = 15, max_retries: int =
             # 此时没有可用视频直链，返回 (None, desc) 让调用方仅使用文案。
             images = item.get("images") or []
             if images and not video.get("play_addr_h264", {}).get("url_list"):
-                logger.info("Feed API 返回图文视频: aweme_id=%s images=%d desc_len=%d（无视频直链，返回文案）",
-                             aweme_id, len(images), len(desc))
+                logger.info(
+                    "Feed API 返回图文视频: aweme_id=%s images=%d desc_len=%d（无视频直链，返回文案）",
+                    aweme_id,
+                    len(images),
+                    len(desc),
+                )
                 return None, desc
 
             # 提取无水印直链：优先 download_addr（含 logo 但 CDN 直链稳定），再 play_addr_h264/play_addr
@@ -167,7 +183,7 @@ def fetch_douyin_video_url(page_url: str, timeout: int = 15, max_retries: int =
 
             # bit_rate 里的多码率地址作为最后兜底
             if not play_url:
-                for br_entry in (video.get("bit_rate") or []):
+                for br_entry in video.get("bit_rate") or []:
                     for addr_key in addr_keys:
                         addr = br_entry.get(addr_key) or {}
                         url_list = addr.get("url_list") or []
@@ -183,7 +199,12 @@ def fetch_douyin_video_url(page_url: str, timeout: int = 15, max_retries: int =
                 duration = video.get("duration", 0) / 1000 if video.get("duration") else 0
                 logger.info(
                     "抖音 Feed API 成功（第%d次）: aweme_id=%s play_len=%d desc_len=%d dur=%.1f type=%d",
-                    attempt + 1, aweme_id, len(play_url), len(desc), duration, aweme_type,
+                    attempt + 1,
+                    aweme_id,
+                    len(play_url),
+                    len(desc),
+                    duration,
+                    aweme_type,
                 )
                 return play_url, desc
 
@@ -200,11 +221,12 @@ def fetch_douyin_video_url(page_url: str, timeout: int = 15, max_retries: int =
 
 if __name__ == "__main__":
     import sys
+
     logging.basicConfig(level=logging.INFO)
     test_url = sys.argv[1] if len(sys.argv) > 1 else "https://www.douyin.com/video/7661819662322649065"
     url, desc = fetch_douyin_video_url(test_url)
     if url:
-        print(f"\n✅ SUCCESS!")
+        print("\n✅ SUCCESS!")
         print(f"desc: {desc}")
         print(f"play_url: {url[:200]}")
     else: