Edit imdb lists programattically

imdblistedit.py

import requests
from bs4 import BeautifulSoup

sess = requests.Session()
r = sess.get('https://www.imdb.com/ap/signin?openid.return_to=https%3A%2F%2Fwww.imdb.com%2Fap-signin-handler&openid.identity=http%3A%2F%2Fspecs.openid.net%2Fauth%2F2.0%2Fidentifier_select&openid.assoc_handle=imdb_mobile_us&openid.mode=checkid_setup&openid.claimed_id=http%3A%2F%2Fspecs.openid.net%2Fauth%2F2.0%2Fidentifier_select&openid.ns=http%3A%2F%2Fspecs.openid.net%2Fauth%2F2.0')
soup = BeautifulSoup(r.content, 'html5lib')
inputs = soup.select('form#ap_signin_form input')
data = dict((i.get('name'), i.get('value')) for i in inputs if i.get('name'))
data['email'] = 'your@email.com'
data['password'] = 'aoeu'
sess.post('https://www.imdb.com/ap/signin', data=data)
# Try to get imdb urls that require sign in now
# Check movie is in watchlist, get the list id and item id and extra param needed for removing
data = {'consts[]': 'tt0805570', 'tracking_tag': 'watchlistRibbon'}
r = sess.post('http://www.imdb.com/list/_ajax/watchlist_has', data=data)
# Add to watchlist
data = {
    'const': 'imdb id',
    'list_id': '', # provided by watchlist_has
    'ref_tag': 'title',
    'list_class': 'WATCHLIST',
    'extraParamName': 'extraParamValue' # provided by watchlist_has
}
sess.post('http://www.imdb.com/list/_ajax/edit', data=data)
# Remove from watchlist
data = {
    'action': 'delete',
    'list_id': '', # provided by watchlist_has
    'list_item_id': '', # provided by watchlist_has
    'ref_tag': 'title',
    'list_class': 'WATCHLIST',
    'extraParamName': 'extraParamValue' # provided by watchlist_has
}
# See if a title is in custom lists
data = {'tconst': 'imdb id'}
sess.post('http://www.imdb.com/list/_ajax/wlb_dropdown', data=data) # Gives you list ids, and item ids, if movie is in list
# Adding and removing are now the same as for watchlist, but 'list_class' and the extra parameter are not needed

All the calls return json, except for the first login stuff.