Download youtube mp3 playlist into specific folder.

youtube_playlist_downloader.py

#!/usr/bin/env python

import sys, os, subprocess

# requirements: youtube-dl and ffmpeg

if __name__ == "__main__":
    if len(sys.argv) != 4:
        print "usage: youtube_playlist_downloader.py -o <dir> <playlist-link>"
        sys.exit(1)

    if not os.path.isdir(sys.argv[2]):
        try:
            os.makedirs(sys.argv[2])
        except:
            print "cannot create dir " + sys.argv[2]
            sys.exit(1)

    os.chdir(sys.argv[2])

    sys.exit(subprocess.call([
        "youtube-dl",
        "-citx",
        "--auto-number",
        "--autonumber-size", "2",
        "--audio-format", "mp3",
        "--audio-quality", "0",
        sys.argv[3]]))