Freshdesk Single Sign On (SSO) in python

freshdesk_sso.py

from datetime import datetime
import hmac

def ticket_login():
    digest_maker = hmac.new('---------SECRET SHARED KEY---------')	
    url = "http://portalname.freshdesk.com/login/sso?name={0}&email={1}&timestamp={2}&hash={3}"
    digest_maker.update('abhishek')
    digest_maker.update('abhishek@abhishek.com')
    td = datetime.utcnow()-datetime(1970,1,1)
    ts = str(int(td.total_seconds()))
    digest_maker.update(ts)
    digest = digest_maker.hexdigest()
    return  url.format('abhishek','abhishek@abhishek.com',ts,digest)
print ticket_login()