Identic is not yet available as an easy-installable package on the Python Package Index.
The code can be found in a Git repository, at http://gitorious.org/infos-pratiques/identic.
Install Python Package:
sudo python ./setup.py develop --no-deps
Create or upgrade database:
paster setup-app development.ini
Fill database with default clients and resource servers:
./fill_development_db.py development.ini