youtube_downloader.py

'''
Below code downlaod all the videos in the playlists present

'''

import re,os
from pytube import Playlist,YouTube

# YOUTUBE_STREAM_AUDIO = '480' # modify the value to download a different stream
DOWNLOAD_DIR = os.getcwd()+'newDownload'
print("DOWNLOAD_DIR")
playlist = Playlist('https://www.youtube.com/playlist?list=PL-osiE80TeTs4UjLw5MM6OjgkjFeUxCYH')

# this fixes the empty playlist.videos list
playlist._video_regex = re.compile(r"\"url\":\"(/watch\?v=[\w-]*)")

print(len(playlist.video_urls))

try:
    for url in playlist.video_urls:
        print("Trying download:---> ",url)
        try:
            YouTube(url).streams.first().download(DOWNLOAD_DIR)
            print("Downlaoded succesfully: ",url)

        except urllib.error.URLError as e:
            print("********ERROR downloading the link*****: {0} {}".format(e.reason, url))
            pass


except urllib.error.URLError as e:
    print(e.reason)streams.first().download()

# physically downloading the audio track
# for video in playlist.videos:
#     print('downloading for')
#     audioStream = video.streams.get_by_itag(YOUTUBE_STREAM_AUDIO)
#     audioStream.download(output_path=DOWNLOAD_DIR)

downloading all the videos from the youtube playlists

Updated with latest fixes