mamweb/seminar/migrations/0095_fix_polymorphism.py

# Generated by Django 2.2.17 on 2021-07-01 00:44

from django.db import migrations

def fix_all(apps, schema_editor):
	ContentType = apps.get_model('contenttypes', 'ContentType')
	for modelname in [
			# Problémy:
                        'Tema', 'Uloha', 'Clanek',
                        # Konfery neexistuji, takze ani neni co nastavovat...
			# TreeNody:
			'RocnikNode', 'CisloNode', 'MezicisloNode', 'TemaVCisleNode', 'OrgTextNode', 'UlohaZadaniNode', 'PohadkaNode', 'UlohaVzorakNode', 'TextNode', 'CastNode', 'ReseniNode',
			]:
		Model = apps.get_model('seminar', modelname)
		ct = ContentType.objects.get_for_model(Model)
		Model.objects.update(polymorphic_ctype=ct)

class Migration(migrations.Migration):

    dependencies = [
        ('seminar', '0094_auto_20210701_0149'),
    ]

    operations = [
        migrations.RunPython(fix_all, migrations.RunPython.noop),
    ]