yt-dlp を使えば可能だった。 import sys from yt_dlp import YoutubeDL def download_video(video_url): ydl_opts = { "format": "best", } with YoutubeDL(ydl_opts) as ydl: ydl.download([video_url]) def download_audio(video_url): ydl_opts = { "for…