# Generated by Django 2.0.4 on 2018-05-12 14:29 from django.db import migrations def add_event_tracks(apps, schema_editor): Camp = apps.get_model("camps", "Camp") EventTrack = apps.get_model("program", "EventTrack") EventProposal = apps.get_model("program", "EventProposal") Event = apps.get_model("program", "Event") for camp in Camp.objects.all(): # create the default track for this camp track = EventTrack.objects.create(name="BornHack", slug="bornhack", camp=camp) Event.objects.filter(camp=camp).update(track=track) EventProposal.objects.filter(camp=camp).update(track=track) class Migration(migrations.Migration): dependencies = [("program", "0048_auto_20180512_1625")] operations = [migrations.RunPython(add_event_tracks)]