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Drop Python 3.9 from CI pipelines, pin minimum to 3.10 #3461

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Merged
msyyc merged 4 commits into from
Apr 28, 2026
+23 −25
Merged

Drop Python 3.9 from CI pipelines, pin minimum to 3.10 #3461

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9d5f390
Initial plan
Copilot Apr 28, 2026
275800d
Drop Python 3.9 from eng pipelines, pin min to 3.10
Copilot Apr 28, 2026
7c38fe0
Update drop-python-39-pipeline-2026-4-28-5-30-0.md
msyyc Apr 28, 2026
f0b8c18
Update drop-python-39-pipeline-2026-4-28-5-30-0.md
msyyc Apr 28, 2026
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8 changes: 8 additions & 0 deletions .chronus/changes/drop-python-39-pipeline-2026-4-28-5-30-0.md
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@@ -0,0 +1,8 @@
---
changeKind: internal
packages:
- "@autorest/python"
- "@azure-tools/typespec-python"
---

Drop Python 3.9 from CI pipelines and pin the minimum Python version to 3.10
22 changes: 6 additions & 16 deletions eng/pipelines/ci.yml
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Expand Up @@ -49,20 +49,15 @@ jobs:

strategy:
matrix:
Linux_Python3.9:
Linux_Python3.10:
OSName: "Linux"
Pool: ${{ variables.LINUXPOOL }}
OSVmImage: ${{ variables.LINUXVMIMAGE}}
PythonVersion: "3.9"
Windows_Python3.9:
PythonVersion: "3.10"
Windows_Python3.10:
OSName: "Windows"
Pool: ${{ variables.WINDOWSPOOL }}
OSVmImage: ${{ variables.WINDOWSVMIMAGE}}
PythonVersion: "3.9"
Linux_Python3.10:
OSName: "Linux"
Pool: ${{ variables.LINUXPOOL }}
OSVmImage: ${{ variables.LINUXVMIMAGE}}
PythonVersion: "3.10"
Linux_Python3.11:
OSName: "Linux"
Expand Down Expand Up @@ -140,20 +135,15 @@ jobs:

strategy:
matrix:
Linux_Python3.9:
Linux_Python310:
OSName: "Linux"
Pool: ${{ variables.LINUXPOOL }}
OSVmImage: ${{ variables.LINUXVMIMAGE}}
PythonVersion: "3.9"
Windows_Python3.9:
PythonVersion: "3.10"
Windows_Python310:
OSName: "Windows"
Pool: ${{ variables.WINDOWSPOOL }}
OSVmImage: ${{ variables.WINDOWSVMIMAGE}}
PythonVersion: "3.9"
Linux_Python310:
OSName: "Linux"
Pool: ${{ variables.LINUXPOOL }}
OSVmImage: ${{ variables.LINUXVMIMAGE}}
PythonVersion: "3.10"
Linux_Python311:
OSName: "Linux"
Expand Down
2 changes: 1 addition & 1 deletion eng/pipelines/generated-code-checks-template.yml
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Expand Up @@ -10,7 +10,7 @@ steps:
- script: npm run test -- --env=lint --flavor=${{ parameters.folderName }}
displayName: Lint ${{ parameters.folderName }} - Python $(PythonVersion)
workingDirectory: $(Build.SourcesDirectory)/autorest.python/packages/${{parameters.package}}
condition: and(eq(variables['PythonVersion'], '3.9'), or(contains('${{ parameters.folderName }}', 'version-tolerant'), eq('${{parameters.package}}', 'typespec-python')))
condition: and(eq(variables['PythonVersion'], '3.10'), or(contains('${{ parameters.folderName }}', 'version-tolerant'), eq('${{parameters.package}}', 'typespec-python')))

- script: npm run test -- --env=mypy --flavor=${{ parameters.folderName }}
displayName: Mypy ${{ parameters.folderName }} - Python $(PythonVersion)
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4 changes: 2 additions & 2 deletions eng/pipelines/preview.yml
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Expand Up @@ -76,9 +76,9 @@ extends:
versionSpec: 3.11
SdkInitializationSteps:
- task: UsePythonVersion@0
displayName: "Use Python 3.9"
displayName: "Use Python 3.10"
inputs:
versionSpec: 3.9
versionSpec: 3.10
- script: |
echo "npm install -g @azure-tools/typespec-client-generator-cli"
npm install -g @azure-tools/typespec-client-generator-cli
Expand Down
6 changes: 3 additions & 3 deletions eng/pipelines/publish-dev-release.yml
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Expand Up @@ -3,7 +3,7 @@ pr: none

variables:
NodeVersion: "20.x"
PythonVersion: "3.9"
PythonVersion: "3.10"
TestFolder: "$(Build.SourcesDirectory)/test/"

pool:
Expand All @@ -16,9 +16,9 @@ steps:
versionSpec: "$(NodeVersion)"

- task: UsePythonVersion@0
displayName: "Use Python 3.9"
displayName: "Use Python 3.10"
inputs:
versionSpec: 3.9
versionSpec: 3.10

- script: |
cd $(Build.SourcesDirectory)
Expand Down
6 changes: 3 additions & 3 deletions eng/scripts/run_pylint.py
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Expand Up @@ -38,7 +38,7 @@ def _single_dir_pylint(mod):
"--load-plugins=pylint_guidelines_checker",
"--output-format=parseable",
"--recursive=y",
"--py-version=3.9",
"--py-version=3.10",
str(inner_class.absolute()),
]
)
Expand All @@ -49,7 +49,7 @@ def _single_dir_pylint(mod):


if __name__ == "__main__":
if sys.version_info >= (3, 10, 0):
# only run pylint with python 3.9
if sys.version_info >= (3, 11, 0) or sys.version_info < (3, 10, 0):
# only run pylint with python 3.10
sys.exit(0)
run_check("pylint", _single_dir_pylint, "Pylint")
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