chore: drop Python3.9 support

Author: leandrodamascena

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -58,7 +58,6 @@ body:
     attributes:
       label: AWS Lambda function runtime
       options:
-        - "3.9"
         - "3.10"
         - "3.11"
         - "3.12"

.github/ISSUE_TEMPLATE/static_typing.yml

@@ -25,7 +25,6 @@ body:
     attributes:
       label: AWS Lambda function runtime
       options:
-        - "3.9"
         - "3.10"
         - "3.11"
         - "3.12"

.github/workflows/publish_v3_layer.yml

@@ -2,7 +2,7 @@ name: Deploy v3 layer to all regions
 
 # PROCESS
 #
-# 1. Compile Layer using cdk-aws-lambda-powertools-layer CDK construct for Python3.9-3.14 and x86_64/ARM architectures (uses custom runner as it's CPU heavy)
+# 1. Compile Layer using cdk-aws-lambda-powertools-layer CDK construct for Python3.10-3.14 and x86_64/ARM architectures (uses custom runner as it's CPU heavy)
 # 2. Kick off pipeline for beta, prod, and canary releases
 # 3. Create PR to update trunk so staged docs also point to the latest Layer ARN, when merged
 # 4. Builds and publishes docs with latest Layer ARN using given version (generally coming from release)
@@ -102,7 +102,7 @@ jobs:
     strategy:
       max-parallel: 5
       matrix:
-        python-version: ["3.9","3.10","3.11","3.12","3.13","3.14"]
+        python-version: ["3.10","3.11","3.12","3.13","3.14"]
     defaults:
       run:
         working-directory: ./layer_v3

.github/workflows/quality_check.yml

@@ -46,7 +46,7 @@ jobs:
     strategy:
       max-parallel: 5
       matrix:
-        python-version: ["3.9","3.10","3.11","3.12","3.13","3.14"]
+        python-version: ["3.10","3.11","3.12","3.13","3.14"]
     env:
       PYTHON: "${{ matrix.python-version }}"
     permissions:

.github/workflows/reusable_deploy_v3_layer_stack.yml

@@ -3,7 +3,7 @@ name: Deploy CDK Layer v3 stack
 # PROCESS
 #
 # 1. Split what AWS regions support ARM vs regions that Lambda support ARM
-# 2. We build the Lambda layer for 3.9 to 3.14 Python runtime and both x86_64 and arm64 (see `matrix` section)
+# 2. We build the Lambda layer for 3.10 to 3.14 Python runtime and both x86_64 and arm64 (see `matrix` section)
 # 3. Deploy previously built layer for each AWS commercial region
 # 4. Export all published Layers as JSON
 # 5. Deploy Canaries to every deployed region to test whether Powertools can be imported etc.
@@ -78,7 +78,7 @@ jobs:
                  "eu-north-1", "eu-south-1", "eu-south-2", "eu-west-1", "eu-west-2", "eu-west-3",
                  "il-central-1", "me-central-1", "me-south-1", "mx-central-1", "sa-east-1", "us-east-1",
                  "us-east-2", "us-west-1", "us-west-2"]
-        python-version: ["3.9","3.10","3.11","3.12","3.13","3.14"]
+        python-version: ["3.10","3.11","3.12","3.13","3.14"]
         include:
           - region: "af-south-1"
             has_arm64_support: "true"

.github/workflows/reusable_deploy_v3_sar.yml

@@ -4,7 +4,7 @@ name: Deploy V3 SAR
 #
 # 1. This workflow starts after the layer artifact is produced on `publish_v3_layer`
 # 2. We use the same layer artifact to ensure the SAR app is consistent with the published Lambda Layer
-# 3. We publish the SAR for 3.9 to 3.13 Python runtime and both x86_64 and arm64 (see `matrix` section)
+# 3. We publish the SAR for 3.10 to 3.14 Python runtime and both x86_64 and arm64 (see `matrix` section)
 # 4. We use `sam package` and `sam publish` to publish the SAR app
 # 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
 # 6. Finally the published SAR app is made public on the PROD environment
@@ -72,7 +72,7 @@ jobs:
     strategy:
       matrix:
         architecture: ["x86_64", "arm64"]
-        python-version: ["3.9","3.10","3.11","3.12","3.13","3.14"]
+        python-version: ["3.10","3.11","3.12","3.13","3.14"]
     steps:
       - name: checkout
         uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8  # v6.0.1

.github/workflows/run-e2e-tests.yml

@@ -48,7 +48,7 @@ jobs:
     strategy:
       fail-fast: false # needed so if a version fails, the others will still be able to complete and cleanup
       matrix:
-        version: ["3.9", "3.10", "3.11", "3.12","3.13","3.14"]
+        version: ["3.10", "3.11", "3.12","3.13","3.14"]
     if: ${{ github.actor != 'dependabot[bot]' && github.repository == 'aws-powertools/powertools-lambda-python' }}
     steps:
       - name: "Checkout"

.github/workflows/update_ssm.yml

@@ -100,14 +100,12 @@ jobs:
           PACKAGE_VERSION: ${{ inputs.package_version }}
           LAYER_VERSION: ${{ inputs.layer_version }}
         run: |
-          aws ssm put-parameter --name ${{ env.prefix }}/python/arm64/python3.9/$PACKAGE_VERSION --value "arn:aws:lambda:${{ matrix.region }}:017000801446:layer:AWSLambdaPowertoolsPythonV3-python39-arm64:$LAYER_VERSION" --type String --overwrite
           aws ssm put-parameter --name ${{ env.prefix }}/python/arm64/python3.10/$PACKAGE_VERSION --value "arn:aws:lambda:${{ matrix.region }}:017000801446:layer:AWSLambdaPowertoolsPythonV3-python310-arm64:$LAYER_VERSION" --type String --overwrite
           aws ssm put-parameter --name ${{ env.prefix }}/python/arm64/python3.11/$PACKAGE_VERSION --value "arn:aws:lambda:${{ matrix.region }}:017000801446:layer:AWSLambdaPowertoolsPythonV3-python311-arm64:$LAYER_VERSION" --type String --overwrite
           aws ssm put-parameter --name ${{ env.prefix }}/python/arm64/python3.12/$PACKAGE_VERSION --value "arn:aws:lambda:${{ matrix.region }}:017000801446:layer:AWSLambdaPowertoolsPythonV3-python312-arm64:$LAYER_VERSION" --type String --overwrite
           aws ssm put-parameter --name ${{ env.prefix }}/python/arm64/python3.13/$PACKAGE_VERSION --value "arn:aws:lambda:${{ matrix.region }}:017000801446:layer:AWSLambdaPowertoolsPythonV3-python313-arm64:$LAYER_VERSION" --type String --overwrite
           aws ssm put-parameter --name ${{ env.prefix }}/python/arm64/python3.14/$PACKAGE_VERSION --value "arn:aws:lambda:${{ matrix.region }}:017000801446:layer:AWSLambdaPowertoolsPythonV3-python314-arm64:$LAYER_VERSION" --type String --overwrite
 
-          aws ssm put-parameter --name ${{ env.prefix }}/python/x86_64/python3.9/$PACKAGE_VERSION --value "arn:aws:lambda:${{ matrix.region }}:017000801446:layer:AWSLambdaPowertoolsPythonV3-python39-x86_64:$LAYER_VERSION" --type String --overwrite
           aws ssm put-parameter --name ${{ env.prefix }}/python/x86_64/python3.10/$PACKAGE_VERSION --value "arn:aws:lambda:${{ matrix.region }}:017000801446:layer:AWSLambdaPowertoolsPythonV3-python310-x86_64:$LAYER_VERSION" --type String --overwrite
           aws ssm put-parameter --name ${{ env.prefix }}/python/x86_64/python3.11/$PACKAGE_VERSION --value "arn:aws:lambda:${{ matrix.region }}:017000801446:layer:AWSLambdaPowertoolsPythonV3-python311-x86_64:$LAYER_VERSION" --type String --overwrite
           aws ssm put-parameter --name ${{ env.prefix }}/python/x86_64/python3.12/$PACKAGE_VERSION --value "arn:aws:lambda:${{ matrix.region }}:017000801446:layer:AWSLambdaPowertoolsPythonV3-python312-x86_64:$LAYER_VERSION" --type String --overwrite
@@ -120,14 +118,12 @@ jobs:
           prefix: ${{ inputs.environment == 'beta' && '/aws/service/powertools/beta' || '/aws/service/powertools' }}
           LAYER_VERSION: ${{ inputs.layer_version }}
         run: |
-          aws ssm put-parameter --name ${{ env.prefix }}/python/arm64/python3.9/latest --value "arn:aws:lambda:${{ matrix.region }}:017000801446:layer:AWSLambdaPowertoolsPythonV3-python39-arm64:$LAYER_VERSION" --type String --overwrite
           aws ssm put-parameter --name ${{ env.prefix }}/python/arm64/python3.10/latest --value "arn:aws:lambda:${{ matrix.region }}:017000801446:layer:AWSLambdaPowertoolsPythonV3-python310-arm64:$LAYER_VERSION" --type String --overwrite
           aws ssm put-parameter --name ${{ env.prefix }}/python/arm64/python3.11/latest --value "arn:aws:lambda:${{ matrix.region }}:017000801446:layer:AWSLambdaPowertoolsPythonV3-python311-arm64:$LAYER_VERSION" --type String --overwrite
           aws ssm put-parameter --name ${{ env.prefix }}/python/arm64/python3.12/latest --value "arn:aws:lambda:${{ matrix.region }}:017000801446:layer:AWSLambdaPowertoolsPythonV3-python312-arm64:$LAYER_VERSION" --type String --overwrite
           aws ssm put-parameter --name ${{ env.prefix }}/python/arm64/python3.13/latest --value "arn:aws:lambda:${{ matrix.region }}:017000801446:layer:AWSLambdaPowertoolsPythonV3-python313-arm64:$LAYER_VERSION" --type String --overwrite
           aws ssm put-parameter --name ${{ env.prefix }}/python/arm64/python3.14/latest --value "arn:aws:lambda:${{ matrix.region }}:017000801446:layer:AWSLambdaPowertoolsPythonV3-python314-arm64:$LAYER_VERSION" --type String --overwrite
 
-          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:$LAYER_VERSION" --type String --overwrite
           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:$LAYER_VERSION" --type String --overwrite
           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:$LAYER_VERSION" --type String --overwrite
           aws ssm put-parameter --name ${{ env.prefix }}/python/x86_64/python3.12/latest --value "arn:aws:lambda:${{ matrix.region }}:017000801446:layer:AWSLambdaPowertoolsPythonV3-python312-x86_64:$LAYER_VERSION" --type String --overwrite

README.md

@@ -3,7 +3,7 @@
 
 [![Build](https://github.com/aws-powertools/powertools-lambda-python/actions/workflows/quality_check.yml/badge.svg)](https://github.com/aws-powertools/powertools-lambda-python/actions/workflows/python_build.yml)
 [![codecov.io](https://codecov.io/github/aws-powertools/powertools-lambda-python/branch/develop/graphs/badge.svg)](https://app.codecov.io/gh/aws-powertools/powertools-lambda-python)
-![PythonSupport](https://img.shields.io/static/v1?label=python&message=%203.9|%203.10|%203.11|%203.12|%203.13|%203.14&color=blue?style=flat-square&logo=python) ![PyPI version](https://badge.fury.io/py/aws-lambda-powertools.svg) ![PyPi monthly downloads](https://img.shields.io/pypi/dm/aws-lambda-powertools) [![OpenSSF Scorecard](https://api.securityscorecards.dev/projects/github.com/aws-powertools/powertools-lambda-python/badge)](https://api.securityscorecards.dev/projects/github.com/aws-powertools/powertools-lambda-python)
+![PythonSupport](https://img.shields.io/static/v1?label=python&message=%203.10|%203.11|%203.12|%203.13|%203.14&color=blue?style=flat-square&logo=python) ![PyPI version](https://badge.fury.io/py/aws-lambda-powertools.svg) ![PyPi monthly downloads](https://img.shields.io/pypi/dm/aws-lambda-powertools) [![OpenSSF Scorecard](https://api.securityscorecards.dev/projects/github.com/aws-powertools/powertools-lambda-python/badge)](https://api.securityscorecards.dev/projects/github.com/aws-powertools/powertools-lambda-python)
 [![Discord](https://img.shields.io/badge/Discord-Join_Community-7289da.svg)](https://discord.gg/B8zZKbbyET)
 
 Powertools for AWS Lambda (Python) is a developer toolkit to implement Serverless [best practices and increase developer velocity](https://docs.powertools.aws.dev/lambda/python/latest/#features).

aws_lambda_powertools/event_handler/openapi/compat.py

@@ -211,7 +211,7 @@ def extract_metadata(ann: Any) -> tuple[Any, list[Any]]:
     base_type, constraints = extract_metadata(annotation)
 
     # Set the annotation with base type and all constraint metadata
-    # Use tuple unpacking for Python 3.9+ compatibility
+    # Use tuple unpacking for Python 3.10+ compatibility
     if constraints:
         new_field.annotation = Annotated[(base_type, *constraints)]
     else: