views.py 文件源码

def post(self, *args, **kwargs):
        self.form = self.get_form()
        self.object_list = self.get_queryset()
        bulk_action_form = self.get_bulk_action_form()
        errors = None
        if bulk_action_form.is_valid():
            try:
                with transaction.atomic():
                    for bug in bulk_action_form.cleaned_data['bugs']:
                        state_machine = self.mutator_class(self.request.user, bug)
                        state_machine.process_action(bulk_action_form.cleaned_data)
            except ValidationError as e:
                errors = e
        else:
            errors = sum(bulk_action_form.errors.values(), [])

        if errors:
            for error in errors:
                messages.error(self.request, 'Bulk Action Failed: {}'.format(error))
        else:
            bug_count = len(bulk_action_form.cleaned_data['bugs'])
            messages.success(
                self.request,
                'Success: {} bug{} updated'.format(bug_count, pluralize(bug_count)),
            )

        return HttpResponseRedirect(self.request.get_full_path())