Method add_trail

celery/app/task.py:1149–1152

(self, result)

            raise Ignore('Replaced by new task')

    def add_trail(self, result):
        if self.trail:
            self.request.children.append(result)
        return result

    def push_request(self, *args, **kwargs):
        self.request_stack.push(Context(*args, **{**self.request.__dict__, **kwargs}))