manage.py

#!/usr/bin/env python
import os
import sys


if __name__ == "__main__":
    settings_module = os.environ.get("DJANGO_SETTINGS_MODULE", default=None)
    try:
        from django.core.management import execute_from_command_line
    except ImportError as exc:
        raise ImportError(
            "Couldn't import Django. Are you sure it's installed and "
            "available on your PYTHONPATH environment variable? Did you "
            "forget to activate a virtual environment?"
        ) from exc

    if sys.argv[1] == "test":
        if settings_module:
            print(
                "Ignoring config('DJANGO_SETTINGS_MODULE') because it's test. "
                "Using 'geninfo.settings.test'"
            )
        os.environ.setdefault("DJANGO_SETTINGS_MODULE", "geninfo.settings.test")
    else:
        if settings_module is None:
            print(
                "Error: no DJANGO_SETTINGS_MODULE found. Will NOT start devserver. "
                "Remember to create .env file at project root. "
                "Check README for more info."
            )
            sys.exit(1)
        os.environ.setdefault("DJANGO_SETTINGS_MODULE", settings_module)

    execute_from_command_line(sys.argv)