def auth_flow(**kwargs):
api = TraktTvApi()
secrets = load_secrets()
pin_url = PIN_URL % secrets[PIN_ID]
print "Head to %s to authenticate and enter your PIN below:" % pin_url
pin = raw_input("PIN: ")
while not pin_valid(pin):
pin = raw_input("PIN: ")
response = api.pin_request(pin)
with open(AUTH_PATH, "w") as auth_file:
expires = datetime.datetime.utcnow() + datetime.timedelta(seconds=response["expires_in"])
response["expires_on"] = expires.isoformat()
simplejson.dump(response, auth_file, indent=2)
print "Successfully authenticated."
