text: from django.db import migrations
  
  from .. import utils
  
  
  def create_limits(apps, schema_editor):
      """Create limits for existing domains."""
      Domain = apps.get_model("admin", "Domain")
      DomainObjectLimit = apps.get_model("limits", "DomainObjectLimit")
      to_create = []
      for domain in Domain.objects.all():
          for name, tpl in utils.get_domain_limit_templates():
              to_create.append(
                  DomainObjectLimit(domain=domain, name=name, max_value=-1))
      DomainObjectLimit.objects.bulk_create(to_create)
  
  
  class Migration(migrations.Migration):
  
      dependencies = [
          ('admin', '0003_auto_20151118_1215'),
          ('limits', '0004_auto_20160413_1312'),
      ]
  
      operations = [
          migrations.RunPython(create_limits)
      ]
  