Clean duplicates from playlist

main.py

@@ -221,6 +221,11 @@ def main():
     parser_move.add_argument('-l', '--limit', type=int, default=-1,
                              help='Limit number of videos to process')
 
+    parser_dups = subparsers.add_parser('dups', help='Remove duplicate videos in a playlist')
+    parser_dups.add_argument('playlist', help='Playlist name/ID')
+    parser_dups.add_argument('-l', '--limit', type=int, default=-1,
+                             help='Limit number of videos to process')
+
     args = parser.parse_args()
 
     # Disable OAuthlib's HTTPS verification when running locally.
@@ -262,6 +267,17 @@ def main():
                 continue
             add_video_to_playlist(youtube, video, playlist, args.dry_run)
 
+    elif args.command == 'dups':
+        playlist = get_playlist_id(args.playlist)
+        videos = list_playlist(youtube, playlist)
+        video_map = {}
+        for video in videos[:args.limit]:
+            video_id = video['snippet']['resourceId']['videoId']
+            if video_id in video_map:
+                remove_video_from_playlist(youtube, video, playlist, args.dry_run)
+            else:
+                video_map[video_id] = video
+
 
 if __name__ == '__main__':
     sys.exit(main())