misc: use RequestContext when rendering for search index (#15449)

combo/data/models.py

@@ -39,7 +39,8 @@ from django.utils.safestring import mark_safe
 from django.utils.text import slugify
 from django.utils.translation import ugettext_lazy as _
 from django.forms.widgets import MediaDefiningClass
-from django.template import Context, Template
+from django.template import Context, RequestContext, Template
+from django.test.client import RequestFactory
 
 from ckeditor.fields import RichTextField
 import cmsplugin_blurp.utils
@@ -469,7 +470,6 @@ class CellBase(models.Model):
         return context
 
     def render_for_search(self):
-        context = Context({'synchronous': True})
         if not self.is_enabled():
             return ''
         if self.user_dependant:
@@ -478,6 +478,7 @@ class CellBase(models.Model):
             return ''
         if not self.is_visible(user=None):
             return ''
+        context = RequestContext(RequestFactory().get(self.page.get_online_url()), {'synchronous': True})
         if not self.is_relevant(context):
             return ''
         from HTMLParser import HTMLParser