# Generated by Django 2.2.24 on 2022-10-17 12:22

from django.db import migrations, models


def migrate(apps, schema_editor):
    ContextRecord = apps.get_model('archaeological_context_records', 'ContextRecord')
    for cr in ContextRecord.objects.filter(excavation_technic__isnull=False).all():
        cr.excavation_technics.add(cr.excavation_technic)
        


class Migration(migrations.Migration):

    dependencies = [
        ('archaeological_context_records', '0108_auto_20220707_1633'),
    ]

    operations = [
        migrations.AddField(
            model_name='contextrecord',
            name='excavation_technics',
            field=models.ManyToManyField(blank=True, related_name='context_records', to='archaeological_context_records.ExcavationTechnicType', verbose_name='Excavation technique'),
        ),
        migrations.RunPython(migrate),
    ]