Use virtualenvwrapper to keep your python environments isolated.

http://www.doughellmann.com/projects/virtualenvwrapper/

This is a sample project of Django-CMS with Django 1.4 It makes a mighty assumption that the closest implementation of Django-CMS being compatible with Django version 1.4 is

https://github.com/tback/django-cms/tree/django_1.4_compatibility/here_be_dragons

You'll also need to have sqlite3 installed

sudo apt-get install sqlite3 libsqlite3-dev

Once you are in an isolated python environment

pip install -r requirements.txt

cd app/

./manage.py syncdb --all

./manage.py migrate --fake

./manage.py runserver