Add YoutubeDLWrapper

Author: code-yeongyu

utils/youtube_dl_wrapper.py

@@ -0,0 +1,20 @@
+from typing import Optional
+
+import youtube_dl
+
+from .execute_parallel import execute_parallel
+
+
+class YoutubeDLWrapper:
+    """A YoutubeDL wrapper class for supporting python embedded multi-processing"""
+
+    def _youtube_dl_download_video(self, link: str, youtube_dl_option: Optional[dict[str, str]] = None) -> None:
+        with youtube_dl.YoutubeDL(youtube_dl_option) as youtube_dl_downloader:
+            youtube_dl_downloader.download([link])
+
+    def download(self, links: list[str], youtube_dl_option: Optional[dict[str, str]] = None) -> None:
+        arguments = [(link, youtube_dl_option) for link in links]
+        execute_parallel(self._youtube_dl_download_video, arguments)
+
+
+youtube_dl_wrapper = YoutubeDLWrapper()    # singleton