Requesting a new authenticator

import bna
try:
        # region is EU or US
        # note that EU authenticators are valid in the US, and vice versa
        authenticator = bna.requestNewSerial("US")
        secret = authenticator["secret"]
        serial = authenticator["serial"]
except bna.HTTPError, e:
        print "Could not connect:", e

Getting a token

# Get and print a token
token, timeRemaining = bna.getToken(secret=secret)
print token

# print a new token every time the previous one expires
from time import sleep
while True:
        token, timeRemaining = bna.getToken(secret=secret)
        print token
        sleep(timeRemaining)