backend/createuser_ifabsent.py

#!/usr/bin/env python

import logging
import os

from django import setup
from django.conf import settings
from django.contrib.auth import get_user_model

logger = logging.getLogger(__name__)
logger.addHandler(logging.StreamHandler())
logger.setLevel(logging.DEBUG)


if __name__ == "__main__":
    os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'model_garden.settings')
    setup()

    username = settings.DJANGO_ROOT_USER
    email = settings.DJANGO_ROOT_EMAIL
    password = settings.DJANGO_ROOT_PASSWORD

    if username is not None and email is not None and password is not None:
        User = get_user_model()

        if not User.objects.filter(username=username).exists():
            User.objects.create_superuser(username, email, password)

            logger.info(f"Super-user created: {username} - {email}.")
        else:
            logger.info(f"Super-user: {username}.")