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# Generated by Django 4.2.19 on 2025-10-29 10:54
import django.core.validators
from django.db import migrations, models
import django.db.models.deletion
import ishtar_common.models_common
import uuid
class Migration(migrations.Migration):
dependencies = [
('archaeological_context_records', '0125_datings_refactoring'),
('archaeological_operations', '0123_add_timezone_django_v4'),
('archaeological_finds', '0143_find_periods'),
]
operations = [
migrations.RenameField(
model_name='find',
old_name='datings',
new_name='datings_old',
),
migrations.AlterField(
model_name='find',
name='preservation_to_considers',
field=models.ManyToManyField(blank=True, related_name='old_finds_recommended', to='archaeological_finds.treatmenttype', verbose_name='Recommended treatments'),
),
migrations.CreateModel(
name='FindDating',
fields=[
('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
('uuid', models.UUIDField(default=uuid.uuid4)),
('reference', models.TextField(blank=True, default='', verbose_name='Reference')),
('external_id', models.TextField(blank=True, default='', verbose_name='External ID')),
('start_date', models.IntegerField(blank=True, null=True, verbose_name='Start date')),
('end_date', models.IntegerField(blank=True, null=True, verbose_name='End date')),
('precise_dating', models.TextField(blank=True, default='', verbose_name='Precise on this dating')),
('dating_type', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, to='archaeological_context_records.datingtype', verbose_name='Dating type')),
('find', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='datings', to='archaeological_finds.find', verbose_name='Find')),
('period', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.PROTECT, to='archaeological_operations.period', verbose_name='Chronological period')),
('quality', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, to='archaeological_context_records.datingquality', verbose_name='Quality')),
],
options={
'verbose_name': 'Find dating',
'verbose_name_plural': 'Find datings',
},
bases=(models.Model, ishtar_common.models_common.SerializeItem),
),
]
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