manage.py

#!/usr/bin/env python
# File: manage.py
"""Django's command-line utility for administrative tasks."""
import os
import sys


def main() -> None:
    """Run administrative tasks.

    Sets the default settings module and executes command-line operations.

    Raises:
        ImportError: If Django cannot be imported, which might happen if it's
            not installed or the virtual environment is not activated.
    """
    os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'core.settings')
    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
    execute_from_command_line(sys.argv)


if __name__ == '__main__':
    main()