Depends on http://github.com/bdauvergne/python-oath
pip install -e "git://github.com/bdauvergne/python-oath.git#egg=oath-dev"
Generate a secret key (and for fun, the QR code URL that can
be imported by the Google Authenticator scanner) with gen_google_code.py
.
See http://www.google.com/support/accounts/bin/answer.py?answer=1066447 for what to do with this.