django_setup.py

import os
import sys
import pathlib
import django


def django_setup(DJANGO_SETTINGS_MODULE: str):
    if os.environ.get("DJANGO_SETTINGS_MODULE"):
        return
    parts = list(pathlib.Path(__file__).parent.parts)
    while len(parts):
        project_root = pathlib.Path(*parts)
        if (project_root / "manage.py").is_file():
            sys.path.append(str(project_root))
            break
        parts.pop()

    os.environ.setdefault("DJANGO_SETTINGS_MODULE", DJANGO_SETTINGS_MODULE)
    django.setup()