Youtube Playlist Downloader

youtube-playlist-downloader.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-

# Youtube Playlist Downloader
# Copyright (C) 2014 Morris Jobke <morris.jobke@gmail.com>
# 
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# 
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
# 
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

import urllib.request, json, pprint, string, sys, subprocess, argparse, time, glob

# http://stackoverflow.com/a/17303428
class color:
	PURPLE = '\033[95m'
	CYAN = '\033[96m'
	DARKCYAN = '\033[36m'
	BLUE = '\033[94m'
	GREEN = '\033[92m'
	YELLOW = '\033[93m'
	RED = '\033[91m'
	BOLD = '\033[1m'
	UNDERLINE = '\033[4m'
	END = '\033[0m'

parser = argparse.ArgumentParser(description='Download all videos of a YouTube playlist')
parser.add_argument('apiKey', help='YouTube API key')
parser.add_argument('playlistId', help='playlist ID')
parser.add_argument('--maxResults', dest='maxResults', help='max results per API request (1..50)', default=50, type=int)

args = parser.parse_args()

url = 'https://www.googleapis.com/youtube/v3/playlistItems?part=snippet&key=' +	args.apiKey + '&playlistId=' + args.playlistId + '&maxResults=' + str(args.maxResults)
tmpUrl = url
videos = []

videoFiles = glob.glob('*.mp4')

start = time.perf_counter()

while True:
	data = json.loads(urllib.request.urlopen(tmpUrl).read().decode('utf8'))
	for item in data['items']:
		videoId = item['snippet']['resourceId']['videoId']
		videoTitle = item['snippet']['title']
		if len([s for s in videoFiles if s.endswith(videoId + '.mp4')]) != 0:
			# don't process already avaiable files
			print((color.BLUE + 'Skip {0}' + color.END).format(videoTitle))
			continue
		videos.append({
			'id': videoId,
			'url': 'http://youtu.be/' + item['snippet']['resourceId']['videoId'],
			'description': item['snippet']['description'],
			'title': videoTitle
		})

	if 'nextPageToken' in data:
		tmpUrl = url + '&pageToken=' + data['nextPageToken']
	else:
		break

elapsed = (time.perf_counter() - start)

message = 'Elapsed time (YouTube API): ' + color.BOLD + color.GREEN + ' {:.1f} seconds' + color.END
print(message.format(elapsed))

start = time.perf_counter()

count = 1
videoCount = len(videos)
failed = []
for video in videos:
	message = 'Downloading ' + color.BOLD + '{0}' + color.END + '/{1} - ' + color.BOLD + '{2}' + color.END
	print(message.format(count, videoCount, video['title']))
	pipe = subprocess.Popen(['youtube-dl', video['url']], stderr=subprocess.PIPE)
	out, err = pipe.communicate()
	video['error'] = str(err)
	if pipe.returncode != 0:
		print((color.BOLD + color.RED + 'FAILED' + color.END + ' {0}').format(str(err)))
		failed.append(video)
	count += 1

elapsed = (time.perf_counter() - start)

message = 'Elapsed time (Download): ' + color.BOLD + color.GREEN + ' {:.1f} seconds' + color.END
print(message.format(elapsed))

f = open('failed-videos.json', 'w')
json.dump(failed, f)
f.close()

Gerade nochmal geupdated. Nun überspringt es bereits vorhandene Dateien.