Generating Signature Version 4 URL’s using boto3

If your application allows your users to download files directly from s3, you are bound to get this error sometime in the future whenever you scale to other regions – The authorization mechanism you have provided is not supported. Please use AWS4-HMAC-SHA256.

The issue has been raised on various forums and github eg – , None of these solutions worked for me.

Here is what did

Replace the Region and Airflow bucket and you’re good to go.

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Hey, I am Thomas Ashish Cherian. What I cannot create, I do not understand.

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