19.2. Django Extensions

• GraphViz + Dot

• Graphviz https://graphviz.org/

• Django Extensions: https://django-extensions.readthedocs.io/en/latest/graph_models.html#example-usage

19.2.1. Install

# macOS
$ brew install graphviz

# Ubuntu Linux
$ sudo apt install graphviz

# Windows
https://graphviz.org/download/

Install dependencies:

$ python -m pip install pydotplus
$ python -m pip install django-extensions

Append to myproject/settings.py:

INSTALLED_APPS += ['django_extensions']

19.2.2. Usage

Run in system terminal:

$ python manage.py graph_models -a -g -o all.png
$ python manage.py graph_models shop -g -o shop.png
$ python manage.py graph_models -a -I Contact,Address -o models.png
$ python manage.py graph_models -a --arrow-shape normal -o shop.png