new_contents: from django.core.management.base import BaseCommand
  
  from events.models import Event
  from cfp.models import PaperApplication
  from talks.models import Talk
  
  
  class Command(BaseCommand):
      help = "Bulk add talks from application ids"
  
      def add_arguments(self, parser):
          parser.add_argument('event_id', type=int)
          parser.add_argument('application_ids', type=int, nargs='+')
  
      def handle(self, *args, **options):
          event = Event.objects.get(pk=options['event_id'])
          applications = PaperApplication.objects.filter(pk__in=options['application_ids'])
  
          print("Event: {}".format(event))
          print("\nApplications:")
          for application in applications:
              print("* {}".format(application))
  
          print("\nAdd talks?")
          input("Press any key to continue")
  
          for application in applications:
              talk, created = Talk.objects.get_or_create(event=event, application=application)
              print("created" if created else "exists", talk)
  
subject: Add command for bulk adding talks