from django.core.management.base import NoArgsCommand from program.models import Host class Command(NoArgsCommand): help = 'update host by setting is_active' def handle_noargs(self, **options): activated = 0 deactivated = 0 for host in Host.objects.all(): active_shows = 0 for show in host.shows.all(): if show.is_active: active_shows += 1 else: active_shows -= 1 host.is_active = active_shows > 0 host.save() if host.is_active: activated += 1 else: deactivated += 1 print "%s hosts activated, %s hosts de-activated " % (activated, deactivated)