YouTube Playlists Downloader

playlist-downloader.py

# -- Requirements (Python 3)--
import re
import time
import traceback

# External dependency: pytube3 (pip install pytube3)
from pytube import Playlist
from pytube import YouTube

# -- Parameters --

media_type = 'video' # or 'audio'

# Playlists to download
playlists = [
    "https://www.youtube.com/playlist?list=PLBS5efQ3a3-koBp48-X-DiROrpqpJhOf7",
    "https://www.youtube.com/playlist?list=PLBS5efQ3a3-nbrtEoErX_fAwW7yp0MTnL",
]

# -- Code --
def download_audio(url):
    print('Downloading audio from {}...'.format(url))
        
    try:
        YouTube(video_url) \
            .streams \
            .filter(only_audio=True, file_extension='mp4')[0] \
            .download()
    except Exception as e:
        traceback.print_exc()
        pass

def download_video(url):
    print('Downloading video from {}...'.format(url))
    
    try:
        YouTube(url) \
            .streams \
            .filter(progressive=True, file_extension='mp4') \
            .order_by('resolution') \
            .desc() \
            .first() \
            .download()
    except Exception as e:
        traceback.print_exc()
        pass

for playlist_url in playlists:
    playlist = Playlist(playlist_url)

    print('Downloading {} {}s from playlist...'.format(len(playlist.video_urls), media_type))

    for video_url in playlist.video_urls:
        if media_type == 'video':
            download_video(video_url) # Download audio
        elif media_type == 'audio':
            download_audio(video_url) # Download video (with audio)
        else:
            print('Media type not supported. Check "media_type" variable.')

        # Throttle to avoid YouTube restriction (Too many requests)
        time.sleep(3)

requirements.txt

pytube3