re2o/topologie/migrations/0070_auto_20190218_1743.py

# -*- coding: utf-8 -*-
# Generated by Django 1.10.7 on 2019-02-18 16:43
from __future__ import unicode_literals

from django.db import migrations, models
import django.db.models.deletion
import re2o.mixins


class Migration(migrations.Migration):

    dependencies = [
        ('topologie', '0069_auto_20190108_1439'),
    ]

    def create_dormitory(apps, schema_editor):
        db_alias = schema_editor.connection.alias
        dormitory = apps.get_model("topologie", "Dormitory")
        building = apps.get_model("topologie", "Building")
        dorm = dormitory.objects.using(db_alias).create(name="Residence")
        building.objects.using(db_alias).update(dormitory=dorm)

    def delete_dormitory(apps, schema_editor):
        pass

    operations = [
        migrations.CreateModel(
            name='Dormitory',
            fields=[
                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                ('name', models.CharField(max_length=255)),
            ],
            options={
                'verbose_name': 'dormitory',
                'permissions': (('view_dormitory', 'Can view a dormitory object'),),
                'verbose_name_plural': 'dormitories',
            },
            bases=(re2o.mixins.AclMixin, re2o.mixins.RevMixin, models.Model),
        ),
        migrations.AddField(
            model_name='building',
            name='dormitory',
            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.PROTECT, to='topologie.Dormitory'),
            preserve_default=False,
        ),
        migrations.RunPython(create_dormitory, delete_dormitory)
    ]