from django.core.management.base import BaseCommand

class Command(BaseCommand):

    def add_arguments(self, parser):

        parser.add_argument(

            "--append_const",

            action="append_const",

            const=42,

            required=True,

        )

        parser.add_argument("--const", action="store_const", const=31, required=True)

        parser.add_argument("--count", action="count", required=True)

        parser.add_argument("--flag_false", action="store_false", required=True)

        parser.add_argument("--flag_true", action="store_true", required=True)

    def handle(self, *args, **options):

        for option, value in options.items():

            if value is not None:

                self.stdout.write("%s=%s" % (option, value))