StartModel与 AWS SDK 一起使用 - AWS SDK 代码示例

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StartModel与 AWS SDK 一起使用

以下代码示例演示如何使用 StartModel。

有关更多信息，请参阅启动模型。

Python
适用于 Python 的 SDK（Boto3）
注意

还有更多相关信息 GitHub。查找完整示例，学习如何在 AWS 代码示例存储库中进行设置和运行。

class Hosting:

    @staticmethod
    def start_model(
        lookoutvision_client, project_name, model_version, min_inference_units
    ):
        """
        Starts the hosting of a Lookout for Vision model.

        :param lookoutvision_client: A Boto3 Lookout for Vision client.
        :param project_name:  The name of the project that contains the version of the
                              model that you want to start hosting.
        :param model_version: The version of the model that you want to start hosting.
        :param min_inference_units: The number of inference units to use for hosting.
        """
        try:
            logger.info(
                "Starting model version %s for project %s", model_version, project_name
            )
            lookoutvision_client.start_model(
                ProjectName=project_name,
                ModelVersion=model_version,
                MinInferenceUnits=min_inference_units,
            )
            print("Starting hosting...")

            status = ""
            finished = False

            # Wait until hosted or failed.
            while finished is False:
                model_description = lookoutvision_client.describe_model(
                    ProjectName=project_name, ModelVersion=model_version
                )
                status = model_description["ModelDescription"]["Status"]

                if status == "STARTING_HOSTING":
                    logger.info("Host starting in progress...")
                    time.sleep(10)
                    continue

                if status == "HOSTED":
                    logger.info("Model is hosted and ready for use.")
                    finished = True
                    continue

                logger.info("Model hosting failed and the model can't be used.")
                finished = True

            if status != "HOSTED":
                logger.error("Error hosting model: %s", status)
                raise Exception(f"Error hosting model: {status}")
        except ClientError:
            logger.exception("Couldn't host model.")
            raise

  • 有关 API 的详细信息，请参阅适用StartModel于 Python 的AWS SDK (Boto3) API 参考。