Integrate hierarkey package (#460)

src/pretix/base/migrations/0053_auto_20170409_1651.py

@@ -0,0 +1,59 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.10.7 on 2017-04-09 16:51
+from __future__ import unicode_literals
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+def migrate_global_settings(apps, schema_editor):
+    GlobalSetting = apps.get_model('pretixbase', 'GlobalSetting')
+    GlobalSettingsObject_SettingsStore = apps.get_model('pretixbase', 'GlobalSettingsObject_SettingsStore')
+
+    l = []
+    for s in GlobalSetting.objects.all():
+        l.append(GlobalSettingsObject_SettingsStore(key=s.key, value=s.value))
+
+    GlobalSettingsObject_SettingsStore.objects.bulk_create(l)
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('pretixbase', '0052_auto_20170324_1506'),
+    ]
+
+    operations = [
+        migrations.RenameModel(
+            old_name='EventSetting',
+            new_name='Event_SettingsStore',
+        ),
+        migrations.RenameModel(
+            old_name='OrganizerSetting',
+            new_name='Organizer_SettingsStore',
+        ),
+        migrations.CreateModel(
+            name='GlobalSettingsObject_SettingsStore',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('key', models.CharField(db_index=True, max_length=255)),
+                ('value', models.TextField()),
+            ],
+        ),
+        migrations.RunPython(
+            migrate_global_settings, migrations.RunPython.noop
+        ),
+        migrations.DeleteModel(
+            name='GlobalSetting',
+        ),
+        migrations.AlterField(
+            model_name='event_settingsstore',
+            name='object',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='_settings_objects', to='pretixbase.Event'),
+        ),
+        migrations.AlterField(
+            model_name='organizer_settingsstore',
+            name='object',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='_settings_objects', to='pretixbase.Organizer'),
+        ),
+    ]