Help Center/ ModelArts/ SDK Reference/ OBS Management/ Downloading a File from OBS
Updated on 2024-03-21 GMT+08:00

Downloading a File from OBS

Sample Code

In ModelArts notebook, you do not need to enter authentication parameters for session authentication. For details about session authentication of other development environments, see Session Authentication.

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from modelarts.session import Session
session = Session()
session.obs.download_file(src_obs_file="obs://bucket-name/dir1/file1.txt", dst_local_dir="/home/ma-user/")

After the sample code is executed, source file file1.txt is downloaded from OBS to /home/ma-user/file1.txt.

Parameters

Table 1 Request parameters

Parameter

Mandatory

Type

Description

session

Yes

Object

Session object

src_obs_file

Yes

String

Path to the source file to be downloaded from OBS. The path must start with obs://.

dst_local_dir

Yes

String

Path to the target local folder. The path must end with a slash (/).

Table 2 Failed response parameters

Parameter

Type

Description

error_code

String

Error code when the API call fails.

This parameter is not included when the API call succeeds.

error_msg

String

Error message when the API call fails.

This parameter is not included when the API call succeeds.