Secret Squirrel is a Django-based Single Sign-on server. It uses CAS (version 1) as the client-side protocol and can be used with any CAS client library.
Secret Squirrel is a Mozilla project and published under a BSD license.
You need Python 2.6. Also, you probably want to run this application in a virtualenv environment.
Run easy_install pip followed by pip install -r requirements.txt
to install the required Python libraries.
The Internet has plenty of of documentation on setting up a Django application
with any web server. If you need a wsgi entry point, you can find one in
wsgi/squirrel.wsgi.