Show future versions to staff (for admin preview to work).

cmsplugin_blog/views.py

@@ -8,6 +8,7 @@
 
 from django.http import Http404
 from django.shortcuts import redirect
+from django.utils.translation import ugettext_lazy as _
 
 from cms.middleware.multilingual import has_lang_prefix
 from menus.utils import set_language_changer
@@ -38,7 +39,7 @@ def get_object(self, queryset=None):
         if queryset is None:
             queryset = self.get_queryset()
 
-        if not self.get_allow_future() and date > datetime.date.today(): # pragma: no cover
+        if not self.get_allow_future() and date > datetime.date.today() and not self.request.user.is_staff: # pragma: no cover
             raise Http404(_(u"Future %(verbose_name_plural)s not available because %(class_name)s.allow_future is False.") % {
                 'verbose_name_plural': queryset.model._meta.verbose_name_plural,
                 'class_name': self.__class__.__name__,