我正在尝试从我的 S3 存储桶将文件下载到 sagemaker。
文件的路径是s3://vemyone/input/dicom-images-train/1.2.276.0.7230010.3.1.2.8323329.1000.1517875165.878026/1.2.276.0.7230010.3.1.3.8323329.1000.1517875165.878025/1.2.276.0.7230010.3.1.4.8323329.1000.1517875165.878027.dcm
该文件的路径存储为列表元素train_fns[0]
.
的价值train_fns[0]
is
input/dicom-images-train/1.2.276.0.7230010.3.1.2.8323329.1000.1517875165.878026/1.2.276.0.7230010.3.1.3.8323329.1000.1517875165.878025/1.2.276.0.7230010.3.1.4.8323329.1000.1517875165.878027.dcm
我使用了以下代码:
s3 = boto3.resource('s3')
bucketname = 'vemyone'
s3.Bucket(bucketname).download_file(train_fns[0][:], train_fns[0])
但我收到以下错误:
FileNotFoundError: [Errno 2] No such file or directory: 'input/dicom-images-train/1.2.276.0.7230010.3.1.2.8323329.1000.1517875165.878026/1.2.276.0.7230010.3.1.3.8323329.1000.1517875165.878025/1.2.276.0.7230010.3.1.4.8323329.1000.1517875165.878027.dcm.5b003ba1'
我注意到一些字符已将其自身附加到路径的末尾。
我该如何解决这个问题?
请参见https://boto3.amazonaws.com/v1/documentation/api/latest/reference/services/s3.html#S3.Bucket.download_file https://boto3.amazonaws.com/v1/documentation/api/latest/reference/services/s3.html#S3.Bucket.download_file
根据文档,第一个参数是文件密钥,第二个参数是本地文件的路径:
s3 = boto3.resource('s3')
bucketname = 'vemyone'
s3.Bucket(bucketname).download_file(train_fns[0], '/path/to/local/file')
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