Closes #6179: Enable natural ordering for virtual machines

netbox/virtualization/migrations/0023_virtualmachine_natural_ordering.py

@@ -0,0 +1,32 @@
+from django.db import migrations
+import utilities.fields
+import utilities.ordering
+
+
+def naturalize_virtualmachines(apps, schema_editor):
+    VirtualMachine = apps.get_model('virtualization', 'VirtualMachine')
+    for name in VirtualMachine.objects.values_list('name', flat=True).order_by('name').distinct():
+        VirtualMachine.objects.filter(name=name).update(_name=utilities.ordering.naturalize(name, max_length=100))
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('virtualization', '0022_vminterface_parent'),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name='virtualmachine',
+            options={'ordering': ('_name', 'pk')},
+        ),
+        migrations.AddField(
+            model_name='virtualmachine',
+            name='_name',
+            field=utilities.fields.NaturalOrderingField('name', max_length=100, blank=True, naturalize_function=utilities.ordering.naturalize),
+        ),
+        migrations.RunPython(
+            code=naturalize_virtualmachines,
+            reverse_code=migrations.RunPython.noop
+        ),
+    ]