Add migration to set rpm as type to all components

This needs to be done before component type is made non-optional and
prevents migration error on PostgreSQL 9.2.

pdc/apps/component/migrations/0006_auto_20150818_0614.py

@@ -7,7 +7,12 @@
 from __future__ import unicode_literals
 
 from django.db import models, migrations
-import django.db.models.deletion
+
+def set_default_type(apps, schema_editor):
+    type = apps.get_model('component', 'ReleaseComponentType').objects.get(name='rpm')
+    for component in apps.get_model('component', 'ReleaseComponent').objects.filter(type=None):
+        component.type = type
+        component.save()
 
 
 class Migration(migrations.Migration):
@@ -17,24 +22,5 @@ class Migration(migrations.Migration):
     ]
 
     operations = [
-        migrations.AlterField(
-            model_name='releasecomponent',
-            name='type',
-            field=models.ForeignKey(related_name='release_components', on_delete=django.db.models.deletion.SET_DEFAULT, default=1, to='component.ReleaseComponentType'),
-        ),
-        migrations.AlterField(
-            model_name='releasecomponentgroup',
-            name='group_type',
-            field=models.ForeignKey(related_name='release_component_groups', on_delete=django.db.models.deletion.PROTECT, to='component.GroupType'),
-        ),
-        migrations.AlterField(
-            model_name='releasecomponentrelationship',
-            name='from_component',
-            field=models.ForeignKey(related_name='from_release_components', to='component.ReleaseComponent'),
-        ),
-        migrations.AlterField(
-            model_name='releasecomponentrelationship',
-            name='to_component',
-            field=models.ForeignKey(related_name='to_release_components', to='component.ReleaseComponent'),
-        ),
+        migrations.RunPython(set_default_type),
     ]

pdc/apps/component/migrations/0007_auto_20150821_0834.py

@@ -0,0 +1,40 @@
+# -*- coding: utf-8 -*-
+#
+# Copyright (c) 2015 Red Hat
+# Licensed under The MIT License (MIT)
+# http://opensource.org/licenses/MIT
+#
+from __future__ import unicode_literals
+
+from django.db import models, migrations
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('component', '0006_auto_20150818_0614'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='releasecomponent',
+            name='type',
+            field=models.ForeignKey(related_name='release_components', on_delete=django.db.models.deletion.SET_DEFAULT, default=1, to='component.ReleaseComponentType'),
+        ),
+        migrations.AlterField(
+            model_name='releasecomponentgroup',
+            name='group_type',
+            field=models.ForeignKey(related_name='release_component_groups', on_delete=django.db.models.deletion.PROTECT, to='component.GroupType'),
+        ),
+        migrations.AlterField(
+            model_name='releasecomponentrelationship',
+            name='from_component',
+            field=models.ForeignKey(related_name='from_release_components', to='component.ReleaseComponent'),
+        ),
+        migrations.AlterField(
+            model_name='releasecomponentrelationship',
+            name='to_component',
+            field=models.ForeignKey(related_name='to_release_components', to='component.ReleaseComponent'),
+        ),
+    ]