google_authenticator_totp.py

# -*- coding: utf-8 -*-
"""Google Authenticator integration example

 $ pip install otpauth qrcode pillow

"""
import qrcode
from otpauth import OtpAuth


SECRET = 'some secret'

auth = OtpAuth(SECRET)

# generate qrcode to scan with Googla Authenticator app
s = auth.to_uri('totp', '[email protected]', 'Test')
img = qrcode.make(s)
img.show()

# display current code
print 'Current: {}'.format(auth.totp())

# ask for and verify given code
while True:
    code = raw_input('Auth code:')
    print 'Verification {}: {}'.format(code, auth.valid_totp(code))