netbox-community-netbox/netbox/dcim/migrations/0130_sitegroup.py

import django.core.serializers.json
from django.db import migrations, models
import django.db.models.deletion
import mptt.fields


class Migration(migrations.Migration):

    dependencies = [
        ('dcim', '0129_interface_parent'),
    ]

    operations = [
        migrations.CreateModel(
            name='SiteGroup',
            fields=[
                ('created', models.DateField(auto_now_add=True, null=True)),
                ('last_updated', models.DateTimeField(auto_now=True, null=True)),
                ('custom_field_data', models.JSONField(blank=True, default=dict, encoder=django.core.serializers.json.DjangoJSONEncoder)),
                ('id', models.BigAutoField(primary_key=True, serialize=False)),
                ('name', models.CharField(max_length=100, unique=True)),
                ('slug', models.SlugField(max_length=100, unique=True)),
                ('description', models.CharField(blank=True, max_length=200)),
                ('lft', models.PositiveIntegerField(editable=False)),
                ('rght', models.PositiveIntegerField(editable=False)),
                ('tree_id', models.PositiveIntegerField(db_index=True, editable=False)),
                ('level', models.PositiveIntegerField(editable=False)),
                ('parent', mptt.fields.TreeForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='children', to='dcim.sitegroup')),
            ],
            options={
                'abstract': False,
            },
        ),
        migrations.AddField(
            model_name='site',
            name='group',
            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='sites', to='dcim.sitegroup'),
        ),
    ]