Generating ERD for Django Applications

erd.MD

Generate ERD from Django Models

Install Dependicies

Installing django extensions

  #for windows
  pip install django-extensions
  # for mac/linux
  pip3 install django-extensions

Installing Grapviz in your maching

  #for windows
  pip install graphviz
  # for mac/linux
  pip3 install graphviz

Add django extensions in settings.py

  INSTALLED_APPS = [
    ...
    'django_extensions',
    ...
]

Add the following Code anywhere in settings.py

  GRAPH_MODELS = {
    'all_applications' : True,
    'group_model' : True ,
}

Create the .dot output and convert to .png

  # windows
  python manage.py graph_models -a > output.dot
  # mac / linux
  python3 manage.py graph_models -a > output.dot

Then create the PNG file

  dot -Tpng output.dot -o output.png

or You can create the PDF file also

  dot -Tpng output.dot -o output.pdf

Do you have any Query?
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