Files
enviPy-bayer/epdb/migrations/0020_alter_compoundstructure_options_and_more.py

66 lines
2.3 KiB
Python

# Generated by Django 5.2.7 on 2026-03-09 10:41
import django.db.models.deletion
from django.db import migrations, models
def populate_polymorphic_ctype(apps, schema_editor):
ContentType = apps.get_model("contenttypes", "ContentType")
Compound = apps.get_model("epdb", "Compound")
CompoundStructure = apps.get_model("epdb", "CompoundStructure")
# Update Compound records
compound_ct = ContentType.objects.get_for_model(Compound)
Compound.objects.filter(polymorphic_ctype__isnull=True).update(polymorphic_ctype=compound_ct)
# Update CompoundStructure records
compound_structure_ct = ContentType.objects.get_for_model(CompoundStructure)
CompoundStructure.objects.filter(polymorphic_ctype__isnull=True).update(
polymorphic_ctype=compound_structure_ct
)
def reverse_populate_polymorphic_ctype(apps, schema_editor):
Compound = apps.get_model("epdb", "Compound")
CompoundStructure = apps.get_model("epdb", "CompoundStructure")
Compound.objects.all().update(polymorphic_ctype=None)
CompoundStructure.objects.all().update(polymorphic_ctype=None)
class Migration(migrations.Migration):
dependencies = [
("contenttypes", "0002_remove_content_type_name"),
("epdb", "0019_remove_scenario_additional_information_and_more"),
]
operations = [
migrations.AlterModelOptions(
name="compoundstructure",
options={"base_manager_name": "objects"},
),
migrations.AddField(
model_name="compound",
name="polymorphic_ctype",
field=models.ForeignKey(
editable=False,
null=True,
on_delete=django.db.models.deletion.CASCADE,
related_name="polymorphic_%(app_label)s.%(class)s_set+",
to="contenttypes.contenttype",
),
),
migrations.AddField(
model_name="compoundstructure",
name="polymorphic_ctype",
field=models.ForeignKey(
editable=False,
null=True,
on_delete=django.db.models.deletion.CASCADE,
related_name="polymorphic_%(app_label)s.%(class)s_set+",
to="contenttypes.contenttype",
),
),
migrations.RunPython(populate_polymorphic_ctype, reverse_populate_polymorphic_ctype),
]