provide top level `bucket.region` property

Currently, I am not aware of straight-forward method to learn about what region a bucket is located at.

import boto3
s3 = boto3.resource("s3")
bucket_name = "my_bucket_name"
bucket = s3.Bucket(bucket_name)

So far so good, now I am going to learn about region the bucket is living at:

bucket.region_name  # not available

instead, I have to use following call (notice, how many times I have to say “bucket” or “location”):

region_name = s3.meta.client.get_bucket_location(Bucket=bucket.name)["LocationConstraint"]

It would be great to have bucket property “region_name” available.

[sd65]

I know this issue is old but there is still no solutions for this. I found a way without extra-logic needed.

import boto3
client = boto3.client('s3') # the region_name does not matter
client.head_bucket(Bucket='bucket')['ResponseMetadata']['HTTPHeaders']['x-amz-bucket-region']
=> 'us-east-1'

What do you think? Is it dangerous to rely on metadata?

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