email.py

import imaplib
import email
from json import loads



def email_login_info(file_name='login.json'):
    try:
        file_keys = open(file_name)
    except:
        file_keys = open(file_name, 'w')
        raw_json = '''{
        "email":"",
        "password"
        }
         '''
        print("Error! JSON file does not exist!")

    parsed_json = loads(file_keys.read())

    return parsed_json


FROM_EMAIL  = email_login_info()['email']
FROM_PWD    = email_login_info()['password']
SMTP_SERVER = "imap.gmail.com"
SMTP_PORT   = 993

mail = imaplib.IMAP4_SSL(SMTP_SERVER)
mail.login(FROM_EMAIL,FROM_PWD)

mail.select('inbox')
etype, data = mail.search(None, 'ALL')
mail_ids = data[0]
id_list = mail_ids.split()
first_email_id = int(id_list[0])
latest_email_id = int(id_list[-1])

print(str(first_email_id) + ' ' + str(latest_email_id))

typ, data = mail.fetch(latest_email_id, '(RFC822)' ) # i is the email id

for response_part in data:
    if isinstance(response_part, tuple):
        msg = email.message_from_string(response_part[1])
        email_subject = msg['subject']
        email_from = msg['from']
        email_msg = msg
        print 'From : ' + email_from + '\n'
        print 'Subject : ' + email_subject + '\n'
        try:
            for body in msg.get_payload():
                print body.get_payload()
        except:
            print msg.get_payload()