Fix #109: Remove misnamed rights

machines/migrations/0083_remove_duplicate_rights.py

@@ -0,0 +1,47 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import migrations
+
+def remove_permission_alias(apps, schema_editor):
+    Permission = apps.get_model('auth', 'Permission')
+    for codename in ['add_alias', 'change_alias', 'delete_alias']:
+        # Retrieve the wrong permission
+        try:
+            to_remove = Permission.objects.get(
+                codename=codename,
+                content_type__model='domain'
+            )
+        except Permission.DoesNotExist:
+            # The permission is missing so no problem
+            pass
+        else:
+            to_remove.delete()
+
+
+def remove_permission_text(apps, schema_editor):
+    Permission = apps.get_model('auth', 'Permission')
+    for codename in ['add_text', 'change_text', 'delete_text']:
+        # Retrieve the wrong permission
+        try:
+            to_remove = Permission.objects.get(
+                codename=codename,
+                content_type__model='txt'
+            )
+        except Permission.DoesNotExist:
+            # The permission is missing so no problem
+            pass
+        else:
+            to_remove.delete()
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('machines', '0082_auto_20180525_2209'),
+    ]
+
+    operations = [
+        migrations.RunPython(remove_permission_text),
+        migrations.RunPython(remove_permission_alias),
+    ]