Download File with Specific Version-ID from AWS S3 using Python

Question

I'm trying to download file that has many versions from version-enabled bucket. Using the bellow code, it always download the file that has latest version.

s3 = boto3.resource('s3')
bucket = s3.Bucket("mybucket")
bucket.download_file("somefile", "/donwload/path/somefile.txt")

How can I specify which version I want to download for the "somefile" file?

Try specifying the VersionId in ExtraArgs

gshpychka
– gshpychka

2021-12-02 09:42:56 +00:00
Commented Dec 2, 2021 at 9:42 — gshpychka
– gshpychka, Commented Dec 2, 2021 at 9:42

gshpychka · Accepted Answer · 2021-12-02 09:53:58Z

4

As per the comments, Bucket.download_file has an ExtraArgs parameter, where you can specify additional parameters that are passed down to the Client.get_object function that download_file wraps. From the documentation of get_object, you can see that the relevant argument is VersionId.

s3 = boto3.resource('s3')
bucket = s3.Bucket("mybucket")
bucket.download_file(
    "somefile",
    "/donwload/path/somefile.txt",
    ExtraArgs={"VersionId": "my_version"}
)

answered Dec 2, 2021 at 9:53

gshpychka

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