from django.db import migrations EVENT_NAME = "PolyLAN 43" EVENT_PATH = "polylan-43" def seed_event(apps, schema_editor): Event = apps.get_model("events", "Event") Event.objects.get_or_create(path=EVENT_PATH, defaults={"name": EVENT_NAME}) def unseed_event(apps, schema_editor): Event = apps.get_model("events", "Event") Event.objects.filter(path=EVENT_PATH).delete() class Migration(migrations.Migration): dependencies = [ ("events", "0001_initial"), ] operations = [ migrations.RunPython(seed_event, unseed_event), ]