# -*- coding: utf-8 -*- from conference.models import Conference from country.models import Country from django.core.management.base import NoArgsCommand from django.db.models import Q, F from django.utils.translation import activate from exposition.models import Exposition from service.models import LinkedService, Service class Command(NoArgsCommand): def handle_noargs(self, **options): activate('ru') services = list(LinkedService.objects.select_related('service').all()) for service in services: service.set_events_services()