pageadmin.py 文件源码

def revisionform_view(self, request, version, template_name, extra_context=None):
        try:
            with transaction.atomic():
                # Revert the revision.
                version.revision.revert(delete=True)
                # Run the normal change_view view.
                with self._create_revision(request):
                    response = self.change_view(request, version.object_id, request.path, extra_context)
                    # Decide on whether the keep the changes.
                    if request.method == "POST" and response.status_code == 302:
                        self.revision_context_manager.set_comment(_("Reverted to previous version, saved on %(datetime)s") % {"datetime": localize(version.revision.date_created)})
                    else:
                        response.template_name = template_name
                        response.render()
                        raise RollBackRevisionView
        except RollBackRevisionView:
            pass
        return response