django-extensions

https://github.com/django-extensions/django-extensions

Prerequisites

sudo apt-get install graphviz
sudo apt-get install libgraphviz-dev

Install

pip install django-extensions
pip install pygraphviz

INSTALLED_APPS = (
    'django_extensions',

Usage

Graph

django-admin.py graph_models --all-applications --output=graph_myapp_models.png
django-admin.py graph_models myappname --output=graph_myapp_models.png

Secret Key

django-admin.py generate_secret_key