Update watcher.py

watcher.py

@@ -109,14 +109,36 @@ def select_best_video_and_audio(items):
 
     video_items.sort(key=lambda x: x[0], reverse=True)
     return video_items[0][1], audio_item
+HEADERS = {
+    "accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7",
+    "accept-encoding": "gzip, deflate, br, zstd",
+    "accept-language": "ja,en-US;q=0.9,en;q=0.8",
+    "cache-control": "max-age=0",
+    "if-modified-since": "Thu, 10 Apr 2025 12:43:39 GMT",
+    "range": "bytes=0-194096",
+    "sec-ch-ua": "\"Google Chrome\";v=\"131\", \"Chromium\";v=\"131\", \"Not_A Brand\";v=\"24\"",
+    "sec-ch-ua-mobile": "?0",
+    "sec-ch-ua-platform": "\"Windows\"",
+    "sec-fetch-dest": "document",
+    "sec-fetch-mode": "navigate",
+    "sec-fetch-site": "cross-site",
+    "sec-fetch-user": "?1",
+    "upgrade-insecure-requests": "1",
+    "user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36",
+}
 
-# ===== ファイルダウンロード =====
 def download_file(url, path):
-    with requests.get(url, stream=True, timeout=60) as r:
+    with requests.get(
+        url,
+        headers=HEADERS,
+        stream=True,
+        timeout=60,
+    ) as r:
         r.raise_for_status()
         with open(path, "wb") as f:
             for chunk in r.iter_content(chunk_size=8192):
-                f.write(chunk)
+                if chunk:
+                    f.write(chunk)
 
 # ===== ffmpeg 結合 =====
 def merge_video_audio(video_path, audio_path, output_path):