def check_access(self):
    """
    检查目标 s3 是否能写入

    :return:
    """
    bucket_flag = True
    try:
        res = self.s3_client.list_buckets()
        for bucket in res["Buckets"]:
            if bucket["Name"] == DESTINATION_BUCKET:
                bucket_flag = False
        if bucket_flag:
            self.s3_client.create_bucket(Bucket=DESTINATION_BUCKET)
        self.s3_client.put_object(
            Bucket=DESTINATION_BUCKET,
            Key="access_test",
            Body="This is a access test"
            )
    except Exception as e:
        print (e.message)