向项目添加数据集

将 project_arn 替换为要添加数据集的项目。将 dataset_type 替换为 TRAIN 可创建训练数据集，替换为 TEST 可创建测试数据集。

aws rekognition create-dataset --project-arn project_arn \
  --dataset-type dataset_type \
  --profile custom-labels-access

使用以下代码创建数据集。提供以下命令行选项：

# Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
# SPDX-License-Identifier: Apache-2.0

import argparse
import logging
import time
import boto3

from botocore.exceptions import ClientError

logger = logging.getLogger(__name__)

def create_empty_dataset(rek_client, project_arn, dataset_type):
    """
    Creates an empty Amazon Rekognition Custom Labels dataset.
    :param rek_client: The Amazon Rekognition Custom Labels Boto3 client.
    :param project_arn: The ARN of the project in which you want to create a dataset.
    :param dataset_type: The type of the dataset that you want to create (train or test).
    """

    try:
        #Create the dataset.
        logger.info("Creating empty %s dataset for project %s",
            dataset_type, project_arn)

        dataset_type=dataset_type.upper()

        response = rek_client.create_dataset(
            ProjectArn=project_arn, DatasetType=dataset_type
        )

        dataset_arn=response['DatasetArn']

        logger.info("dataset ARN: %s", dataset_arn)

        finished=False
        while finished is False:

            dataset=rek_client.describe_dataset(DatasetArn=dataset_arn)

            status=dataset['DatasetDescription']['Status']
            
            if status == "CREATE_IN_PROGRESS":
                
                logger.info(("Creating dataset: %s ", dataset_arn))
                time.sleep(5)
                continue

            if status == "CREATE_COMPLETE":
                logger.info("Dataset created: %s", dataset_arn)
                finished=True
                continue

            if status == "CREATE_FAILED":
                error_message = f"Dataset creation failed: {status} : {dataset_arn}"
                logger.exception(error_message)
                raise Exception(error_message)
                
            error_message = f"Failed. Unexpected state for dataset creation: {status} : {dataset_arn}"
            logger.exception(error_message)
            raise Exception(error_message)
            
        return dataset_arn
       
    except ClientError as err:  
        logger.exception("Couldn't create dataset: %s", err.response['Error']['Message'])
        raise

def add_arguments(parser):
    """
    Adds command line arguments to the parser.
    :param parser: The command line parser.
    """

    parser.add_argument(
        "project_arn", help="The ARN of the project in which you want to create the empty dataset."
    )

    parser.add_argument(
        "dataset_type", help="The type of the empty dataset that you want to create (train or test)."
    )


def main():

    logging.basicConfig(level=logging.INFO, format="%(levelname)s: %(message)s")

    try:

        # Get command line arguments.
        parser = argparse.ArgumentParser(usage=argparse.SUPPRESS)
        add_arguments(parser)
        args = parser.parse_args()

        print(f"Creating empty {args.dataset_type} dataset for project {args.project_arn}")

        # Create the empty dataset.
        session = boto3.Session(profile_name='custom-labels-access')
        rekognition_client = session.client("rekognition")

        dataset_arn=create_empty_dataset(rekognition_client, 
            args.project_arn,
            args.dataset_type.lower())

        print(f"Finished creating empty dataset: {dataset_arn}")


    except ClientError as err:
        logger.exception("Problem creating empty dataset: %s", err)
        print(f"Problem creating empty dataset: {err}")
    except Exception as err:
        logger.exception("Problem creating empty dataset: %s", err)
        print(f"Problem creating empty dataset: {err}")


if __name__ == "__main__":
    main()    
  

使用以下代码创建数据集。提供以下命令行选项：

/*
   Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
   SPDX-License-Identifier: Apache-2.0
*/
package com.example.rekognition;

import software.amazon.awssdk.auth.credentials.ProfileCredentialsProvider;
import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.rekognition.RekognitionClient;
import software.amazon.awssdk.services.rekognition.model.CreateDatasetRequest;
import software.amazon.awssdk.services.rekognition.model.CreateDatasetResponse;
import software.amazon.awssdk.services.rekognition.model.DatasetDescription;
import software.amazon.awssdk.services.rekognition.model.DatasetStatus;
import software.amazon.awssdk.services.rekognition.model.DatasetType;
import software.amazon.awssdk.services.rekognition.model.DescribeDatasetRequest;
import software.amazon.awssdk.services.rekognition.model.DescribeDatasetResponse;
import software.amazon.awssdk.services.rekognition.model.RekognitionException;

import java.net.URI;
import java.util.logging.Level;
import java.util.logging.Logger;

public class CreateEmptyDataset {

    public static final Logger logger = Logger.getLogger(CreateEmptyDataset.class.getName());

    public static String createMyEmptyDataset(RekognitionClient rekClient, String projectArn, String datasetType)
            throws Exception, RekognitionException {

        try {

            logger.log(Level.INFO, "Creating empty {0} dataset for project : {1}",
                    new Object[] { datasetType.toString(), projectArn });

            DatasetType requestDatasetType = null;

            switch (datasetType) {
            case "train":
                requestDatasetType = DatasetType.TRAIN;
                break;
            case "test":
                requestDatasetType = DatasetType.TEST;
                break;
            default:
                logger.log(Level.SEVERE, "Unrecognized dataset type: {0}", datasetType);
                throw new Exception("Unrecognized dataset type: " + datasetType);

            }

            CreateDatasetRequest createDatasetRequest = CreateDatasetRequest.builder().projectArn(projectArn)
                    .datasetType(requestDatasetType).build();

            CreateDatasetResponse response = rekClient.createDataset(createDatasetRequest);

            boolean created = false;
            
            //Wait until updates finishes

            do {

                DescribeDatasetRequest describeDatasetRequest = DescribeDatasetRequest.builder()
                        .datasetArn(response.datasetArn()).build();
                DescribeDatasetResponse describeDatasetResponse = rekClient.describeDataset(describeDatasetRequest);

                DatasetDescription datasetDescription = describeDatasetResponse.datasetDescription();

                DatasetStatus status = datasetDescription.status();

                logger.log(Level.INFO, "Creating dataset ARN: {0} ", response.datasetArn());

                switch (status) {

                case CREATE_COMPLETE:
                    logger.log(Level.INFO, "Dataset created");
                    created = true;
                    break;

                case CREATE_IN_PROGRESS:
                    Thread.sleep(5000);
                    break;

                case CREATE_FAILED:
                    String error = "Dataset creation failed: " + datasetDescription.statusAsString() + " "
                            + datasetDescription.statusMessage() + " " + response.datasetArn();
                    logger.log(Level.SEVERE, error);
                    throw new Exception(error);

                default:
                    String unexpectedError = "Unexpected creation state: " + datasetDescription.statusAsString() + " "
                            + datasetDescription.statusMessage() + " " + response.datasetArn();
                    logger.log(Level.SEVERE, unexpectedError);
                    throw new Exception(unexpectedError);
                }

            } while (created == false);

            return response.datasetArn();

        } catch (RekognitionException e) {
            logger.log(Level.SEVERE, "Could not create dataset: {0}", e.getMessage());
            throw e;
        }

    }


    public static void main(String args[]) {

        String datasetType = null;
        String datasetArn = null;
        String projectArn = null;


        final String USAGE = "\n" + "Usage: " + "<project_arn> <dataset_type>\n\n" + "Where:\n"
                + "   project_arn - the ARN of the project that you want to add copy the datast to.\n\n"
                + "   dataset_type - the type of the empty dataset that you want to create (train or test).\n\n";
              

        if (args.length != 2) {
            System.out.println(USAGE);
            System.exit(1);
        }

        projectArn = args[0];
        datasetType = args[1];
        
        try {

            // Get the Rekognition client
            RekognitionClient rekClient = RekognitionClient.builder()
                .credentialsProvider(ProfileCredentialsProvider.create("custom-labels-access"))
                .region(Region.US_WEST_2)
                .build();

            // Create the dataset
            datasetArn = createMyEmptyDataset(rekClient, projectArn, datasetType);

            System.out.println(String.format("Created dataset: %s", datasetArn));

            rekClient.close();

        } catch (RekognitionException rekError) {
            logger.log(Level.SEVERE, "Rekognition client error: {0}", rekError.getMessage());
            System.exit(1);
        } catch (Exception rekError) {
            logger.log(Level.SEVERE, "Error: {0}", rekError.getMessage());
            System.exit(1);
        }

    }

}