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Dropping Python 3.8
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‎.github/workflows/publish_v3_layer.yml

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# PROCESS
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#
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# 1. Compile Layer using cdk-aws-lambda-powertools-layer CDK construct for Python3.8-3.12 and x86_64/ARM architectures (uses custom runner as it's CPU heavy)
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# 1. Compile Layer using cdk-aws-lambda-powertools-layer CDK construct for Python3.9-3.13 and x86_64/ARM architectures (uses custom runner as it's CPU heavy)
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# 2. Kick off pipeline for beta, prod, and canary releases
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# 3. Create PR to update trunk so staged docs also point to the latest Layer ARN, when merged
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# 4. Builds and publishes docs with latest Layer ARN using given version (generally coming from release)
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strategy:
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max-parallel: 5
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matrix:
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python-version: ["3.8","3.9","3.10","3.11","3.12","3.13"]
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python-version: ["3.9","3.10","3.11","3.12","3.13"]
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defaults:
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run:
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working-directory: ./layer_v3

‎.github/workflows/quality_check.yml

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strategy:
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max-parallel: 4
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matrix:
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python-version: ["3.8","3.9","3.10","3.11","3.12","3.13"]
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python-version: ["3.9","3.10","3.11","3.12","3.13"]
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env:
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PYTHON: "${{ matrix.python-version }}"
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permissions:

‎.github/workflows/reusable_deploy_v3_layer_stack.yml

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@@ -3,7 +3,7 @@ name: Deploy CDK Layer v3 stack
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# PROCESS
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#
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# 1. Split what AWS regions support ARM vs regions that Lambda support ARM
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# 2. We build the Lambda layer for 3.8 to 3.12 Python runtime and both x86_64 and arm64 (see `matrix` section)
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# 2. We build the Lambda layer for 3.9 to 3.13 Python runtime and both x86_64 and arm64 (see `matrix` section)
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# 3. Deploy previously built layer for each AWS commercial region
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# 4. Export all published Layers as JSON
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# 5. Deploy Canaries to every deployed region to test whether Powertools can be imported etc.

‎.github/workflows/reusable_deploy_v3_sar.yml

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@@ -4,7 +4,7 @@ name: Deploy V3 SAR
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#
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# 1. This workflow starts after the layer artifact is produced on `publish_v3_layer`
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# 2. We use the same layer artifact to ensure the SAR app is consistent with the published Lambda Layer
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# 3. We publish the SAR for 3.8 to 3.13 Python runtime and both x86_64 and arm64 (see `matrix` section)
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# 3. We publish the SAR for 3.9 to 3.13 Python runtime and both x86_64 and arm64 (see `matrix` section)
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# 4. We use `sam package` and `sam publish` to publish the SAR app
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# 5. We remove the previous Canary stack (if present) and deploy a new one to test the SAR App. We retain the Canary in the account for debugging purposes
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# 6. Finally the published SAR app is made public on the PROD environment
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strategy:
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matrix:
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architecture: ["x86_64", "arm64"]
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python-version: ["3.8","3.9","3.10","3.11","3.12","3.13"]
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python-version: ["3.9","3.10","3.11","3.12","3.13"]
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steps:
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- name: checkout
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uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2

‎.github/workflows/run-e2e-tests.yml

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strategy:
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fail-fast: false # needed so if a version fails, the others will still be able to complete and cleanup
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matrix:
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version: ["3.8", "3.9", "3.10", "3.11", "3.12","3.13"]
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version: ["3.9", "3.10", "3.11", "3.12","3.13"]
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if: ${{ github.actor != 'dependabot[bot]' && github.repository == 'aws-powertools/powertools-lambda-python' }}
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steps:
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- name: "Checkout"

‎.github/workflows/update_ssm.yml

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@@ -11,7 +11,7 @@ run-name: SSM Parameters - Python
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# * layer_version: this is sequential layer version from the ARN
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#
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# A successful parameter would look similar to:
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# /aws/service/powertools/python/arm64/python3.8/3.1.0
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# /aws/service/powertools/python/arm64/python3.13/3.1.0
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# And will have a value of:
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# arn:aws:lambda:eu-west-1:017000801446:layer:AWSLambdaPowertoolsPythonV3-python38-arm64:4
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env:
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prefix: ${{ inputs.environment == 'beta' && '/aws/service/powertools/beta' || '/aws/service/powertools' }}
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run: |
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aws ssm put-parameter --name ${{ env.prefix }}/python/arm64/python3.8/${{ inputs.package_version }} --value "arn:aws:lambda:${{ matrix.region }}:017000801446:layer:AWSLambdaPowertoolsPythonV3-python38-arm64:${{ inputs.layer_version }}" --type String --overwrite
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aws ssm put-parameter --name ${{ env.prefix }}/python/arm64/python3.9/${{ inputs.package_version }} --value "arn:aws:lambda:${{ matrix.region }}:017000801446:layer:AWSLambdaPowertoolsPythonV3-python39-arm64:${{ inputs.layer_version }}" --type String --overwrite
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aws ssm put-parameter --name ${{ env.prefix }}/python/arm64/python3.10/${{ inputs.package_version }} --value "arn:aws:lambda:${{ matrix.region }}:017000801446:layer:AWSLambdaPowertoolsPythonV3-python310-arm64:${{ inputs.layer_version }}" --type String --overwrite
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aws ssm put-parameter --name ${{ env.prefix }}/python/arm64/python3.11/${{ inputs.package_version }} --value "arn:aws:lambda:${{ matrix.region }}:017000801446:layer:AWSLambdaPowertoolsPythonV3-python311-arm64:${{ inputs.layer_version }}" --type String --overwrite
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aws ssm put-parameter --name ${{ env.prefix }}/python/arm64/python3.12/${{ inputs.package_version }} --value "arn:aws:lambda:${{ matrix.region }}:017000801446:layer:AWSLambdaPowertoolsPythonV3-python312-arm64:${{ inputs.layer_version }}" --type String --overwrite
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aws ssm put-parameter --name ${{ env.prefix }}/python/arm64/python3.13/${{ inputs.package_version }} --value "arn:aws:lambda:${{ matrix.region }}:017000801446:layer:AWSLambdaPowertoolsPythonV3-python313-arm64:${{ inputs.layer_version }}" --type String --overwrite
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aws ssm put-parameter --name ${{ env.prefix }}/python/x86_64/python3.8/${{ inputs.package_version }} --value "arn:aws:lambda:${{ matrix.region }}:017000801446:layer:AWSLambdaPowertoolsPythonV3-python38-x86_64:${{ inputs.layer_version }}" --type String --overwrite
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aws ssm put-parameter --name ${{ env.prefix }}/python/x86_64/python3.9/${{ inputs.package_version }} --value "arn:aws:lambda:${{ matrix.region }}:017000801446:layer:AWSLambdaPowertoolsPythonV3-python39-x86_64:${{ inputs.layer_version }}" --type String --overwrite
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aws ssm put-parameter --name ${{ env.prefix }}/python/x86_64/python3.10/${{ inputs.package_version }} --value "arn:aws:lambda:${{ matrix.region }}:017000801446:layer:AWSLambdaPowertoolsPythonV3-python310-x86_64:${{ inputs.layer_version }}" --type String --overwrite
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aws ssm put-parameter --name ${{ env.prefix }}/python/x86_64/python3.11/${{ inputs.package_version }} --value "arn:aws:lambda:${{ matrix.region }}:017000801446:layer:AWSLambdaPowertoolsPythonV3-python311-x86_64:${{ inputs.layer_version }}" --type String --overwrite
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env:
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prefix: ${{ inputs.environment == 'beta' && '/aws/service/powertools/beta' || '/aws/service/powertools' }}
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run: |
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aws ssm put-parameter --name ${{ env.prefix }}/python/arm64/python3.8/latest --value "arn:aws:lambda:${{ matrix.region }}:017000801446:layer:AWSLambdaPowertoolsPythonV3-python38-arm64:${{ inputs.layer_version }}" --type String --overwrite
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aws ssm put-parameter --name ${{ env.prefix }}/python/arm64/python3.9/latest --value "arn:aws:lambda:${{ matrix.region }}:017000801446:layer:AWSLambdaPowertoolsPythonV3-python39-arm64:${{ inputs.layer_version }}" --type String --overwrite
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aws ssm put-parameter --name ${{ env.prefix }}/python/arm64/python3.10/latest --value "arn:aws:lambda:${{ matrix.region }}:017000801446:layer:AWSLambdaPowertoolsPythonV3-python310-arm64:${{ inputs.layer_version }}" --type String --overwrite
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aws ssm put-parameter --name ${{ env.prefix }}/python/arm64/python3.11/latest --value "arn:aws:lambda:${{ matrix.region }}:017000801446:layer:AWSLambdaPowertoolsPythonV3-python311-arm64:${{ inputs.layer_version }}" --type String --overwrite
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aws ssm put-parameter --name ${{ env.prefix }}/python/arm64/python3.12/latest --value "arn:aws:lambda:${{ matrix.region }}:017000801446:layer:AWSLambdaPowertoolsPythonV3-python312-arm64:${{ inputs.layer_version }}" --type String --overwrite
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aws ssm put-parameter --name ${{ env.prefix }}/python/arm64/python3.13/latest --value "arn:aws:lambda:${{ matrix.region }}:017000801446:layer:AWSLambdaPowertoolsPythonV3-python313-arm64:${{ inputs.layer_version }}" --type String --overwrite
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aws ssm put-parameter --name ${{ env.prefix }}/python/x86_64/python3.8/latest --value "arn:aws:lambda:${{ matrix.region }}:017000801446:layer:AWSLambdaPowertoolsPythonV3-python38-x86_64:${{ inputs.layer_version }}" --type String --overwrite
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aws ssm put-parameter --name ${{ env.prefix }}/python/x86_64/python3.9/latest --value "arn:aws:lambda:${{ matrix.region }}:017000801446:layer:AWSLambdaPowertoolsPythonV3-python39-x86_64:${{ inputs.layer_version }}" --type String --overwrite
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aws ssm put-parameter --name ${{ env.prefix }}/python/x86_64/python3.10/latest --value "arn:aws:lambda:${{ matrix.region }}:017000801446:layer:AWSLambdaPowertoolsPythonV3-python310-x86_64:${{ inputs.layer_version }}" --type String --overwrite
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aws ssm put-parameter --name ${{ env.prefix }}/python/x86_64/python3.11/latest --value "arn:aws:lambda:${{ matrix.region }}:017000801446:layer:AWSLambdaPowertoolsPythonV3-python311-x86_64:${{ inputs.layer_version }}" --type String --overwrite

‎benchmark/template.yaml

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Globals:
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Function:
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Handler: main.handler
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Runtime: python3.8
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Runtime: python3.13
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MemorySize: 128
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Tracing: Active
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Environment:

‎docs/automation.md

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To build and deploy the Lambda Layers, we run a pipeline with the following steps:
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* We fetch the latest PyPi release and use it as the source for our layer.
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* We build Python versions ranging from **3.8 to 3.13** for x86_64 and arm64 architectures. This is necessary because we use pre-compiled libraries like **Pydantic** and **Cryptography**, which require specific Python versions for each layer.
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* We build Python versions ranging from **3.9 to 3.13** for x86_64 and arm64 architectures. This is necessary because we use pre-compiled libraries like **Pydantic** and **Cryptography**, which require specific Python versions for each layer.
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* We provide layer distributions for both the **x86_64** and **arm64** architectures.
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* For each Python version, we create a single CDK package containing both x86_64 and arm64 assets to optimize deployment performance.
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‎docs/contributing/setup.md

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Unless you're using the pre-configured Cloud environment, you'll need the following installed:
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* [GitHub account](https://github.com/join){target="_blank" rel="nofollow"}. You'll need to be able to fork, clone, and contribute via pull request.
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* [Python 3.8+](https://www.python.org/downloads/){target="_blank" rel="nofollow"}. Pick any version supported in [AWS Lambda runtime](https://docs.aws.amazon.com/lambda/latest/dg/lambda-runtimes.html).
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* [Python 3.9+](https://www.python.org/downloads/){target="_blank" rel="nofollow"}. Pick any version supported in [AWS Lambda runtime](https://docs.aws.amazon.com/lambda/latest/dg/lambda-runtimes.html).
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* [Docker](https://docs.docker.com/engine/install/){target="_blank" rel="nofollow"}. We use it to run documentation linters and non-Python tooling.
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* [Fork the repository](https://github.com/aws-powertools/powertools-lambda-python/fork). You'll work against your fork of this repository.
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‎docs/includes/_layer_homepage_arm64.md

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<!-- markdownlint-disable MD041 MD043 -->
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??? note "Click to expand and copy any regional Lambda Layer ARN"
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=== "Python 3.8"
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| Region | Layer ARN |
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| -------------------- | --------------------------------------------------------------------------------------------------------------- |
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| **`af-south-1`** | **arn:aws:lambda:af-south-1:017000801446:layer:AWSLambdaPowertoolsPythonV3-python38-arm64:6**{: .copyMe}:clipboard: |
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| **`ap-east-1`** | **arn:aws:lambda:ap-east-1:017000801446:layer:AWSLambdaPowertoolsPythonV3-python38-arm64:6**{: .copyMe}:clipboard: |
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| **`ap-northeast-1`** | **arn:aws:lambda:ap-northeast-1:017000801446:layer:AWSLambdaPowertoolsPythonV3-python38-arm64:6**{: .copyMe}:clipboard: |
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| **`ap-northeast-2`** | **arn:aws:lambda:ap-northeast-2:017000801446:layer:AWSLambdaPowertoolsPythonV3-python38-arm64:6**{: .copyMe}:clipboard: |
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| **`ap-northeast-3`** | **arn:aws:lambda:ap-northeast-3:017000801446:layer:AWSLambdaPowertoolsPythonV3-python38-arm64:6**{: .copyMe}:clipboard: |
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| **`ap-south-1`** | **arn:aws:lambda:ap-south-1:017000801446:layer:AWSLambdaPowertoolsPythonV3-python38-arm64:6**{: .copyMe}:clipboard: |
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| **`ap-south-2`** | **arn:aws:lambda:ap-south-2:017000801446:layer:AWSLambdaPowertoolsPythonV3-python38-arm64:6**{: .copyMe}:clipboard: |
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| **`ap-southeast-1`** | **arn:aws:lambda:ap-southeast-1:017000801446:layer:AWSLambdaPowertoolsPythonV3-python38-arm64:6**{: .copyMe}:clipboard: |
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| **`ap-southeast-2`** | **arn:aws:lambda:ap-southeast-2:017000801446:layer:AWSLambdaPowertoolsPythonV3-python38-arm64:6**{: .copyMe}:clipboard: |
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| **`ap-southeast-3`** | **arn:aws:lambda:ap-southeast-3:017000801446:layer:AWSLambdaPowertoolsPythonV3-python38-arm64:6**{: .copyMe}:clipboard: |
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| **`ap-southeast-4`** | **arn:aws:lambda:ap-southeast-4:017000801446:layer:AWSLambdaPowertoolsPythonV3-python38-arm64:6**{: .copyMe}:clipboard: |
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| **`ap-southeast-5`** | **arn:aws:lambda:ap-southeast-5:017000801446:layer:AWSLambdaPowertoolsPythonV3-python38-arm64:6**{: .copyMe}:clipboard: |
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| **`ca-central-1`** | **arn:aws:lambda:ca-central-1:017000801446:layer:AWSLambdaPowertoolsPythonV3-python38-arm64:6**{: .copyMe}:clipboard: |
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| **`eu-central-1`** | **arn:aws:lambda:eu-central-1:017000801446:layer:AWSLambdaPowertoolsPythonV3-python38-arm64:6**{: .copyMe}:clipboard: |
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| **`eu-central-2`** | **arn:aws:lambda:eu-central-2:017000801446:layer:AWSLambdaPowertoolsPythonV3-python38-arm64:6**{: .copyMe}:clipboard: |
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| **`eu-north-1`** | **arn:aws:lambda:eu-north-1:017000801446:layer:AWSLambdaPowertoolsPythonV3-python38-arm64:6**{: .copyMe}:clipboard: |
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| **`eu-south-1`** | **arn:aws:lambda:eu-south-1:017000801446:layer:AWSLambdaPowertoolsPythonV3-python38-arm64:6**{: .copyMe}:clipboard: |
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| **`eu-south-2`** | **arn:aws:lambda:eu-south-2:017000801446:layer:AWSLambdaPowertoolsPythonV3-python38-arm64:6**{: .copyMe}:clipboard: |
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| **`eu-west-1`** | **arn:aws:lambda:eu-west-1:017000801446:layer:AWSLambdaPowertoolsPythonV3-python38-arm64:6**{: .copyMe}:clipboard: |
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| **`eu-west-2`** | **arn:aws:lambda:eu-west-2:017000801446:layer:AWSLambdaPowertoolsPythonV3-python38-arm64:6**{: .copyMe}:clipboard: |
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| **`eu-west-3`** | **arn:aws:lambda:eu-west-3:017000801446:layer:AWSLambdaPowertoolsPythonV3-python38-arm64:6**{: .copyMe}:clipboard: |
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| **`il-central-1`** | **arn:aws:lambda:il-central-1:017000801446:layer:AWSLambdaPowertoolsPythonV3-python38-arm64:6**{: .copyMe}:clipboard: |
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| **`me-central-1`** | **arn:aws:lambda:me-central-1:017000801446:layer:AWSLambdaPowertoolsPythonV3-python38-arm64:6**{: .copyMe}:clipboard: |
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| **`me-south-1`** | **arn:aws:lambda:me-south-1:017000801446:layer:AWSLambdaPowertoolsPythonV3-python38-arm64:6**{: .copyMe}:clipboard: |
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| **`sa-east-1`** | **arn:aws:lambda:sa-east-1:017000801446:layer:AWSLambdaPowertoolsPythonV3-python38-arm64:6**{: .copyMe}:clipboard: |
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| **`us-east-1`** | **arn:aws:lambda:us-east-1:017000801446:layer:AWSLambdaPowertoolsPythonV3-python38-arm64:6**{: .copyMe}:clipboard: |
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| **`us-east-2`** | **arn:aws:lambda:us-east-2:017000801446:layer:AWSLambdaPowertoolsPythonV3-python38-arm64:6**{: .copyMe}:clipboard: |
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| **`us-west-1`** | **arn:aws:lambda:us-west-1:017000801446:layer:AWSLambdaPowertoolsPythonV3-python38-arm64:6**{: .copyMe}:clipboard: |
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| **`us-west-2`** | **arn:aws:lambda:us-west-2:017000801446:layer:AWSLambdaPowertoolsPythonV3-python38-arm64:6**{: .copyMe}:clipboard: |
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=== "Python 3.9"
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| Region | Layer ARN |

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