Download youtube videos as mp3 from a given playlist

downloader.py

import sys

import youtube_dl


opts = {
    'format': 'bestaudio/best',
    'postprocessors': [{
        'key': 'FFmpegExtractAudio',
        'preferredcodec': 'mp3',
        'preferredquality': '192',
    }],
    'outtmpl': '%(title)s.%(ext)s'
}

with youtube_dl.YoutubeDL(opts) as ydl:
    ydl.download([sys.argv[-1]])

Installing youtube-dl

pip install youtube-dl

Usage

python downloader.py https://www.youtube.com/playlist?list=<list_id>