adds an add page without a template

src/personalisation/admin_urls.py

@@ -19,6 +19,6 @@ urlpatterns = [
         name="refferal_rule_embed"),
     url(r'^segment/visit-count-rule/$', views.visit_count_rule_embed,
         name="visit_count_rule_embed"),
-    url(r'^(?P<page_pk>\d+)/add/(?P<segment_name>[^/]+)/$',
+    url(r'^variations/(?P<page_pk>\d+)/add/(?P<segment_name>[^/]+)/$',
         views.AddVariation.as_view(), name='add')
 ]

src/personalisation/migrations/0025_auto_20161115_1310.py

@@ -0,0 +1,21 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.10.3 on 2016-11-15 13:10
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('personalisation', '0024_personalisablepage'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='personalisablepage',
+            name='segment',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.PROTECT, related_name='segments', to='personalisation.Segment'),
+        ),
+    ]

src/personalisation/models.py

@@ -205,7 +205,8 @@ class AdminPersonalisablePageForm(WagtailAdminPageForm):
         self.fields['canonical_page'].widget = ReadOnlyWidget(
             text_display=canonical_page_text)
 
-        segment_display = Segment.objects.first()
+        segment_display = Segment.objects.filter(
+            pk=self.initial['segment']).first()
 
         if self.instance.is_canonical and segment_display:
             segment_display = "{} - {}".format(segment_display, "canonical")
@@ -213,13 +214,15 @@ class AdminPersonalisablePageForm(WagtailAdminPageForm):
         self.fields['segment'].widget = ReadOnlyWidget(
             text_display=segment_display if segment_display else '')
 
+
 class PersonalisablePage(Page):
     canonical_page = models.ForeignKey(
         'self', related_name='variations', blank=True,
         null=True, on_delete=models.SET_NULL
     )
     segment = models.ForeignKey(
-        Segment, related_name='segments', on_delete=models.PROTECT
+        Segment, related_name='segments', on_delete=models.PROTECT,
+        blank=True, null=True
     )
 
     variation_panels = [

src/personalisation/views.py

@@ -88,9 +88,9 @@ class AddVariation(FormView):
         self.page = get_object_or_404(PersonalisablePage, pk=page_pk)
         self.segment = get_object_or_404(Segment, name=segment_name)
 
-        super(AddVariation, self).dispatch(request, *args, **kwargs)
+        return super(AddVariation, self).dispatch(request, *args, **kwargs)
 
-    def get_form_kwargs(self):
+    def get_form_kwargs(self, *args, **kwargs):
         form_kwargs = super(AddVariation, self).get_form_kwargs(*args, **kwargs)
         form_kwargs.update({
             'page': self.page,