JSON view can return HttpResponseRedirect

wiki/decorators.py

@@ -2,6 +2,7 @@
 from django.core.urlresolvers import reverse
 from django.http import HttpResponse, HttpResponseNotFound, \
     HttpResponseForbidden
+from django.http import HttpResponseRedirectBase
 from django.shortcuts import redirect, get_object_or_404
 from django.template.context import RequestContext
 from django.template.loader import render_to_string
@@ -15,6 +16,11 @@ from django.utils.http import urlquote
 def json_view(func):
     def wrap(request, *args, **kwargs):
         obj = func(request, *args, **kwargs)
+        if isinstance(obj, HttpResponseRedirectBase):
+            # Special behaviour: If it's a redirect, for instance
+            # because of login protection etc. just return
+            # the redirect
+            return obj
         data = json.dumps(obj, ensure_ascii=False)
         status = kwargs.get('status', 200)
         response = HttpResponse(mimetype='application/json', status=status)