Find the titles and running times of videos in a YouTube playlist by scraping the web page

scrape_youtube_playlist.py

# Python script to list the titles and running times of the videos
# in a YouTube playlist.
# Note: Only works for up to 100 videos. TODO: Fix this bug.

# The playlist id can be found in the playlist's URL. 
playlist_id = "PLt5AfwLFPxWLNZRKWlcRmTABh_SExiiCj"

from lxml import html
import requests

url = "https://www.youtube.com/playlist?list=%s" % playlist_id
page = requests.get(url)
tree = html.fromstring(page.text)
body = tree.body
items = body.get_element_by_id('pl-load-more-destination')
total_seconds = 0
for item in items:
    try:
        running_time = item[6][0][0][0].text
        mm, ss = map(int, running_time.split(':'))
        total_seconds += 60*mm + ss
        title = item.get('data-title')
        print (("%s\t%s" % (running_time, title)))
    except:
        pass
mm = total_seconds // 60
ss = total_seconds % 60
print '%d:%02d\tTOTAL' % (mm, ss)