# Python script to know if an user is following you
# You need python-twitter installed to use it
# You can install through easy_install
# easy_install python-twitter
 
import twitter
import sys
 
if len(sys.argv) == 1:
    print "is_following <twitter user>"
    sys.exit(1)
 
api = twitter.Api(username='your_username', password='your_password')
 
username = sys.argv[1]
 
user = api.GetUser(username)
 
pages = int(round(long(user.friends_count) / 100.0))
 
for page in xrange(0, pages):
    friends = map(lambda u: u.screen_name, api.GetFriends(username, page=page))
    if api._username in friends:
        print "%s is following you" % username
        sys.exit(0)
 
print "%s is not following you" % username