from django.db import migrations def add_default_projector_2(apps, schema_editor): """ Adds default projector, activates countdown. """ # We get the model from the versioned app registry; # if we directly import it, it will be the wrong version. Projector = apps.get_model('core', 'Projector') projector = Projector.objects.get() config = projector.config config.append({ 'name': 'core/countdown', 'stable': True, 'status': 'stop', 'countdown_time': 60, }) projector.config = config projector.save() class Migration(migrations.Migration): dependencies = [ ('core', '0001_initial'), ] operations = [ migrations.RunPython( code=add_default_projector_2, reverse_code=None, atomic=True, ), ]