python from eliot import start_action, to_file to_file(open("logs.txt", "w")) with start_action(action_type="main"): try: perform_async_task() except Exception as e: start_action(action_type="error").add_exceptions(e) def perform_async_task(): with start_action(action_type="task"): d = make_async_request() d.addCallback(handle_response) def make_async_request(): return async_request() def handle_response(response): with start_action(action_type="response"): print(response)