fix: pass aws_profile to boto3.Session() in _infer_region()#1243
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alvinttang wants to merge 1 commit intoanthropics:mainfrom
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fix: pass aws_profile to boto3.Session() in _infer_region()#1243alvinttang wants to merge 1 commit intoanthropics:mainfrom
alvinttang wants to merge 1 commit intoanthropics:mainfrom
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When using `aws_profile` with `AnthropicBedrock`, the `_infer_region()` function was creating a `boto3.Session()` without passing the profile name, causing it to ignore the region configured in the specified AWS profile and fall back to us-east-1. This passes the `aws_profile` parameter through to `boto3.Session( profile_name=aws_profile)` so that the region is correctly inferred from the user's AWS profile configuration. Fixes anthropics#892 Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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Summary
AnthropicBedrock(aws_profile='my-profile')now correctly infers the AWS region from the specified profile's config instead of ignoring it and falling back tous-east-1_infer_region()now accepts an optionalaws_profileparameter and passes it asprofile_nametoboto3.Session()AnthropicBedrockandAsyncAnthropicBedrockconstructors now passaws_profilethrough to_infer_region()Changes
In
src/anthropic/lib/bedrock/_client.py:_infer_region()signature to acceptaws_profile: str | None = Noneboto3.Session()toboto3.Session(profile_name=aws_profile)so the session respects the profile's configured regionaws_profileto_infer_region()self.aws_profile = aws_profilebefore the_infer_region()call for clarityTest plan
us-west-2) and confirmAnthropicBedrock(aws_profile='my-profile').aws_regionreturns that regionaws_profileis passed, behavior is unchanged (falls back to default profile, thenus-east-1)aws_regionstill takes precedence over profile-based inference🤖 Generated with Claude Code