Database diagram in Django application

Linux

sudo apt-get install graphviz graphviz-dev

# if you are using conda
conda install --channel conda-forge pygraphviz

# if you are using venv
pip install pygraphviz

# django_extensions
pip install django-extensions

# add in settings.py
INSTALLED_APPS = [ 
	...
	'django_extensions',
	...
]

Windows

choco install graphviz

# in your venv
python -m pip install --global-option=build_ext --global-option="-IC:\Program Files\Graphviz\include" --global-option="-LC:\Program Files\Graphviz\lib" pygraphviz

Examples

#To group all the application and output into PNG file
$ python manage.py graph_models -a -g -o imagefile_name.png

#Include only some applications
$ python manage.py graph_models app1 app2 -o app1_app2.png

#Include only some specific models
$ python manage.py graph_models -a -I Foo,Bar -o foo_bar.png

#OR exclude certain models 
$ python manage.py graph_models -a X Foo,Bar -o no_foo_bar.png