from django.db import migrations, models DEVICE_FACE_CHOICES = ( (0, 'front'), (1, 'rear'), ) def rack_type_to_slug(apps, schema_editor): Device = apps.get_model('dcim', 'Device') for id, slug in DEVICE_FACE_CHOICES: Device.objects.filter(face=str(id)).update(face=slug) class Migration(migrations.Migration): dependencies = [ ('dcim', '0078_rack_choicefields_to_slugs'), ] operations = [ # Device.face migrations.AlterField( model_name='device', name='face', field=models.CharField(blank=True, max_length=50), ), migrations.RunPython( code=rack_type_to_slug ), ]