Ticket #15792: databrowse.datastructures.diff

django/contrib/databrowse/datastructures.py

@@ -9 +9 @@
 from django.utils.encoding import smart_unicode, smart_str, iri_to_uri
 from django.utils.safestring import mark_safe
 from django.db.models.query import QuerySet
+from exceptions import AttributeError
 
 EMPTY_VALUE = '(None)'
 DISPLAY_SIZE = 100
@@ -184 +185 @@
             if self.field.rel.to in self.model.model_list:
                 lst = []
                 for value in self.values():
-                    url = mark_safe('%s%s/%s/objects/%s/' % (self.model.site.root_url, m.model._meta.app_label, m.model._meta.module_name, iri_to_uri(value._get_pk_val())))
+                    try:
+                        url = mark_safe('%s%s/%s/objects/%s/' % (self.model.site.root_url, m.model._meta.app_label, m.model._meta.module_name, iri_to_uri(value._get_pk_val())))
+                    except AttributeError:
+                        url = None
                     lst.append((smart_unicode(value), url))
             else:
                 lst = [(value, None) for value in self.values()]