Python script to download YouTube videos from a YouTube user ID.

download-youtube.py

import argparse
import logging

import requests
from lxml import html
from pytube import YouTube


def get_youtube_links(youtube_userid):
    YT_ROOT = r'http://www.youtube.com'
    videos_url = r'https://www.youtube.com/channel/%s/videos' % youtube_userid
    get_params = {'view': 0, 'sort': 'dd', 'flow': 'list'}

    response = requests.get(videos_url, params=get_params)
    html_tree = html.fromstring(response.text)
    yt_xpath = r'//*[@id="browse-items-primary"]//div[@class="yt-lockup-content"]//a'
    youtube_links = [v.attrib['href'] for v in html_tree.xpath(yt_xpath)]

    for link in youtube_links:
        yield YT_ROOT + link


def main(args):
    youtube_links = get_youtube_links(args.userid)

    for yt_link in youtube_links:
        yt = YouTube(yt_link)
        video = yt.get(args.extension, args.resolution)

        logging.info("Downloading video from: %s" % yt_link)
        try:
            video.download(args.directory)
        except OSError:
            logging.info("File already exists. Skipping: %s" % yt.filename)

if __name__ == "__main__":
    parser = argparse.ArgumentParser()
    parser.add_argument("-u", "--userid",
                        required=True,
                        type=str,
                        help="YouTube User ID")
    parser.add_argument("-e", "--extension",
                        type=str,
                        help="File extension to grab. Default: %(default)s",
                        default="mp4")
    parser.add_argument("-r", "--resolution",
                        type=str,
                        help="Video resolution to grab. Default: %(default)s",
                        default="720p")
    parser.add_argument("-d", "--directory",
                        type=str,
                        help="Directory to put files. Default: %(default)s",
                        default=".")

    args = parser.parse_args()
    main(args)