#!/usr/bin/env python3

from youtube_api import YouTubeAPI
import sys

# Read YouTube API Key.
def getYouTubeAPIKey():
  return open('youtube.key', 'r').read()

# Print out information about a video.
def printVideoInfo(info):
  title, date, channel, channelId, description, tags, privacy = info
  print('Title: ' + title)
  print('Date: ' + date)
  print('Channel: {} ({})'.format(channel, channelId) )
  print('Description: ' + description)
  print('Tags: ', tags)
  print('Privacy: ' + privacy)  

api = YouTubeAPI(getYouTubeAPIKey())
print(len(api.getPlaylistVideos(sys.argv[1])))