https://github.com/rg3/youtube-dl/issues/7509#issuecomment-156837555

what_i_want_to_do.py

    #!/usr/bin/env python
    # -*- coding: utf-8 -*-
    import youtube_dl
    import time
    import sys
     
    url = "https://www.youtube.com/watch?v=fiore9Z5iUg"
     
    with youtube_dl.YoutubeDL({'outtmpl': 'video.mp4'})  as ydl:
                   attempts = 0
                   while attempts < 5:
                           try:
                                   ydl.download([url])
                                   break
                           except youtube_dl.utils.BlockedCopyright :
                                  print "ignore this video beacause of copyright"
                                  break
                           except:
                                   e = sys.exc_info()[0]
                                   attempts += 1
                                   print "error : " + str(e)
                                   if attempts == 5:
                                           sys.exit("Error during getting video")
                                   print "We will re-try to get this video in 10s"
                                   time_to_wait = 60 * attempts
                                   time.sleep(time_to_wait)