I found a totp-extension to pass, so work on this project is suspendend.
A google-authenticator like Time-based One Time Password authenticator written with python3, curses and pyoath-toolkit
Python modules are listed in requirements.txt and can be installed with:
´´´ pip install -r requirements.txt
OS-level dependencies are installed with:
´´´ sudo pip install git+https://github.com/malept/pyoath-toolkit.git\#egg=pyoath-toolkit