code

import multiprocessing

from yt_dlp import YoutubeDL


YDL_OPTS = {
    'format': 'bestaudio/best',
    'outtmpl': f'./dw2/[%(channel)s] %(title)s - %(id)s.%(ext)s',
    'noplaylist': True,
    'ignoreerrors': True,
    # 'quiet': True,
    'postprocessors': [{
        'key': 'FFmpegExtractAudio',
        'preferredcodec': 'mp3',
        'preferredquality': '192',
    }]
}

class Cancion:
    def __init__(self, info: dict) -> None:
        self._info = info
        self.titulo = info['title']
        self.album = info['channel']
        self.artista = ";".join(info['artist'].split(",")) if "artist" in info else info['channel']
        self.url = info['webpage_url']

    def descargar(self) -> None:
        ydl = YoutubeDL(YDL_OPTS)
        ydl.download(self.url)

def descargar(cancion: Cancion):
    cancion.descargar()

if __name__ == "__main__":
    YDL = YoutubeDL(YDL_OPTS)
    playlist_url = 'https://www.youtube.com/playlist?list=PLdr0SQOzbC6fFL3jH173V78WRnkYsTt7L'
    info = YDL.extract_info(playlist_url, download=False)
    canciones = [Cancion(info_cancion) for info_cancion in info['entries'] if info_cancion != None]

    pool = multiprocessing.Pool(10)
    for cancion in canciones:
        pool.apply_async(descargar, [cancion])

    pool.close()
    pool.join()