import os
import sys

def main():
    settings_module = "core.settings.production"  

    
    if "--develop" in sys.argv or '-d' in sys.argv:
        settings_module = "core.settings.development"
        dev_flag = '--develop' if "--develop" in sys.argv else '-d'
        sys.argv.remove(dev_flag)

    os.environ.setdefault("DJANGO_SETTINGS_MODULE", settings_module)

    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()