gmail_chat.py

import email
import email.parser
import imaplib
import getpass

login = raw_input("Gmail address: ")
password = getpass.getpass()

sock = imaplib.IMAP4_SSL("imap.gmail.com", 993)
sock.login(login, password)

ok, _ = sock.select("[Gmail]/Chats", readonly=True)
if ok == 'NO':
  sock.select("[Google Mail]/Chats", readonly=True)

ok, [ids] = sock.search(None, '(ALL)')
ids = ids.split()
msg_id = ids[-1]
resp, data = sock.fetch(msg_id, '(RFC822)')

msg = email.parser.Parser().parsestr(data[0][1])
for part in msg.walk():
  if part.get_content_type() != 'text/html':
    continue
  print part.get_payload(decode=True)