clone cms with menus, make menus standalone app

cms/utils/admin.py

@@ -0,0 +1,29 @@
+from django.contrib.sites.models import Site
+from django.forms import IntegerField, ValidationError
+from django.http import JsonResponse
+from django.utils.encoding import smart_str
+
+from cms.utils import get_current_site
+
+NOT_FOUND_RESPONSE = "NotFound"
+
+
+def jsonify_request(response):
+    """ Turn any response in a 200 response to let jQuery code handle it nicely.
+        Response contains a json object with the following attributes:
+         * status: original response status code
+         * content: original response content
+    """
+    content = {'status': response.status_code, 'content': smart_str(response.content, response.charset)}
+    return JsonResponse(content)
+
+
+def get_site_from_request(request):
+    try:
+        site_id = request.GET.get("site") or request.POST.get("site")
+        site_id = IntegerField().clean(site_id)
+        site = Site.objects.get(pk=site_id)
+    except (ValidationError, Site.DoesNotExist):
+        site = get_current_site(request)
+
+    return site