import xmpp
import getpass

user = "rajkishang"
passwd = getpass.getpass("Enter Password: ")
server = "gmail.com"

client=xmpp.Client(server,debug=[])
client.connect(server=('talk.google.com',5223))
client.auth(user,passwd)
client.sendInitPresence(requestRoster=1)

def check(connec, event):
   if event.getType() == 'unavailable':
     print event.getFrom()

client.RegisterHandler('presence', check)

while client.Process(1):
  pass