Convert sites index to a class-based view

wagtail/wagtailsites/urls.py

@@ -2,7 +2,7 @@ from django.conf.urls import url
 from wagtail.wagtailsites import views
 
 urlpatterns = [
-    url(r'^$', views.index, name='index'),
+    url(r'^$', views.Index.as_view(), name='index'),
     url(r'^add/$', views.create, name='add'),
     url(r'^(\d+)/$', views.edit, name='edit'),
     url(r'^(\d+)/delete/$', views.delete, name='delete'),

wagtail/wagtailsites/views.py

@@ -1,6 +1,8 @@
 from django.shortcuts import render, redirect, get_object_or_404
+from django.utils.decorators import method_decorator
 from django.utils.translation import ugettext as _
 from django.core.urlresolvers import reverse
+from django.views.generic.base import View
 
 from wagtail.wagtailcore.models import Site
 from wagtail.wagtailsites.forms import SiteForm
@@ -8,12 +10,13 @@ from wagtail.wagtailadmin import messages
 from wagtail.wagtailadmin.utils import permission_required, any_permission_required
 
 
-@any_permission_required('wagtailcore.add_site', 'wagtailcore.change_site', 'wagtailcore.delete_site')
-def index(request):
-    sites = Site.objects.all()
-    return render(request, 'wagtailsites/index.html', {
-        'sites': sites,
-    })
+class Index(View):
+    @method_decorator(any_permission_required('wagtailcore.add_site', 'wagtailcore.change_site', 'wagtailcore.delete_site'))
+    def get(self, request):
+        sites = Site.objects.all()
+        return render(request, 'wagtailsites/index.html', {
+            'sites': sites,
+        })
 
 
 @permission_required('wagtailcore.add_site')