Exemplo de criação de um command com Django, para ser executado com o comando python manage.py.

exemplo_command_django.py

"""
polls/
    __init__.py
    models.py
    management/
        __init__.py
        commands/
            __init__.py
            _private.py
            closepoll.py
    tests.py
    views.py
"""

#polls/management/commands/closepoll.py

from django.core.management.base import BaseCommand
from django.core.management.base import CommandError
from polls.models import Question as Poll

class Command(BaseCommand):
    help = 'Closes the specified poll for voting'
    
    def add_arguments(self, parser):
        parser.add_argument('poll_id', nargs='+', type=int)
    
    def handle(self, *args, **kwargs):
        for poll_id in options['poll_ids']:
            try:
                poll = Poll.objects.get(pk=poll_id)
            except Poll.DoesNotExist:
                reiase CommandError('Poll "%s" does not exists' % poll_id)
            
            poll.opened = False
            poll.save()
            
            self.stdout.write(self.style.SUCCESS('Successfully closed poll "%s"' % poll_id))