Python Read Emails from Gmail with imaplib

imap_gmail.py

import imaplib
import email

mail = imaplib.IMAP4_SSL('imap.gmail.com')
mail.login('USERNAME_HERE', 'PASSWORD_HERE')
print mail.list()
mail.select('inbox')

result, email_list = mail.uid('search', None, "UNSEEN")
#result, email_list = mail.uid('search', None, "ALL")
print 'search: ', email_list

for l in email_list[0].split():
    print l
    result, data = mail.uid( 'fetch', l, '(RFC822)' ) #get email '2'

    email_message = email.message_from_string( data[0][1] )
    print 'Sender : ', email_message['From']
    #print email_message.keys()

    for part in email_message.walk():
         if part.get_content_type() == "text/plain": # ignore attachments/html
               body = part.get_payload(decode=True)
           print body