if __name__ == '__main__':

    HOST = b'http://ca.bj.baidubce.com'
    AK = b''
    SK = b''
    config = BceClientConfiguration(credentials=BceCredentials(AK, SK),
                                    endpoint=HOST)
    ca_client = CaClient(config)

    run_id = "r-raUPWwr933Liqe54"
    child_id = "d-7abflJHODABF"
    response = ca_client.action_log(run_id, child_id, 1)
    print(response)

{
    "requestId": "aaf4bd8f-ed6c-481b-ad1a-a4c974******",
    "code": "success",
    "result": {
        "logs": [
            {
                "msg": "pwd \n",
            }, {
                "msg": "second line",
            }            
        ],
        "nextCursor": 2, 
        "state" : "RUNNING"
    }
}