Volta versao do download-video

utils.py

@@ -0,0 +1,16 @@
+
+import re
+from unidecode import unidecode
+
+def extract_video_id(url: str) -> str:
+    match = re.search(r"(?:v=|youtu\.be/)([A-Za-z0-9_-]{11})", url)
+
+    if not match:
+        raise ValueError("URL inválida do YouTube")
+    return match.group(1)
+
+def sanitize_title(s: str) -> str:
+    s = unidecode(s or "video")
+    s = re.sub(r"[^\w\s-]", "", s).strip()
+
+    return re.sub(r"_+", "_", re.sub(r"\s+", "_", s)) or "video"