docs: def get_object_url(self):
          """
          Returns the url where this object can be edited.
          """
  
          if self.kwargs.get(self.slug_url_kwarg, False) == \
                      unicode(getattr(self.object, self.slug_field, "")) \
                      and not self.force_add:
              url = self.request.build_absolute_uri()
          else:
              url = self.bundle.get_view_url('edit', self.request.user,
                                             {'object': self.object},
                                             self.kwargs)
          return url