chore(sdk): Drop support for Python 3.9, discuss 3.10 solved issue #11922

.github/workflows/backend-visualization.yml

@@ -22,7 +22,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
-          python-version: '3.9'
+          python-version: '3.10'
 
       - name: Run tests
         run: ./test/presubmit-backend-visualization.sh

.github/workflows/e2e-test.yml

@@ -33,7 +33,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
-          python-version: 3.9
+          python-version: 3.10
 
       - name: Create KFP cluster
         id: create-kfp-cluster
@@ -83,7 +83,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
-          python-version: 3.9
+          python-version: 3.10
 
       - name: Create KFP cluster
         id: create-kfp-cluster
@@ -133,7 +133,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
-          python-version: 3.9
+          python-version: 3.10
 
       - name: Create KFP cluster
         id: create-kfp-cluster
@@ -190,7 +190,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
-          python-version: 3.9
+          python-version: 3.10
 
       - name: Create KFP cluster
         id: create-kfp-cluster
@@ -248,7 +248,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
-          python-version: 3.9
+          python-version: 3.10
 
       - name: Create KFP cluster
         id: create-kfp-cluster
@@ -306,7 +306,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
-          python-version: 3.9
+          python-version: 3.10
 
       - name: Create KFP cluster
         id: create-kfp-cluster
@@ -363,7 +363,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
-          python-version: 3.9
+          python-version: 3.10
 
       - name: Create KFP cluster
         id: create-kfp-cluster
@@ -420,7 +420,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
-          python-version: 3.9
+          python-version: 3.10
 
       - name: Create KFP cluster
         id: create-kfp-cluster

.github/workflows/gcpc-modules-tests.yml

@@ -21,7 +21,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
-          python-version: 3.9
+          python-version: 3.10
 
       - name: Install protobuf-compiler
         run: sudo apt update && sudo apt install -y protobuf-compiler

.github/workflows/kfp-kubernetes-execution-tests.yml

@@ -29,7 +29,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
-          python-version: '3.9'
+          python-version: '3.10'
 
       # This is intended to address disk space issues that have surfaced
       # intermittently during CI -

.github/workflows/kfp-kubernetes-library-test.yml

@@ -18,7 +18,7 @@ jobs:
     strategy:
       matrix:
         python: [
-          { 'version': '3.9' },
+          { 'version': '3.10' },
           { 'version': '3.13' }
         ]
     steps:

.github/workflows/kfp-samples.yml

@@ -31,7 +31,7 @@ jobs:
     - name: Set up Python
       uses: actions/setup-python@v4
       with:
-        python-version: 3.9
+        python-version: 3.10
 
     - name: Free up space in /dev/root
       run: |

.github/workflows/kfp-sdk-runtime-tests.yml

@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-24.04
     strategy:
       matrix:
-        python: ['3.9', '3.13']
+        python: ['3.10', '3.13']
     steps:
       - name: Checkout code
         uses: actions/checkout@v4

.github/workflows/kfp-sdk-tests.yml

@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.9', '3.13']
+        python-version: ['3.10', '3.13']
 
     steps:
     - name: Checkout code

.github/workflows/periodic.yml

@@ -17,7 +17,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
-          python-version: 3.9
+          python-version: 3.10
       - name: Create KFP cluster
         uses: ./.github/actions/kfp-cluster
         with:

.github/workflows/sdk-component-yaml.yml

@@ -24,7 +24,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
-          python-version: 3.9
+          python-version: 3.10
 
       - name: Install protobuf dependencies
         uses: ./.github/actions/protobuf

.github/workflows/sdk-docformatter.yml

@@ -22,7 +22,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
-          python-version: 3.9
+          python-version: 3.10
 
       - name: Run docformatter tests
         run: ./test/presubmit-docformatter-sdk.sh

.github/workflows/sdk-isort.yml

@@ -23,7 +23,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
-          python-version: 3.9
+          python-version: 3.10
 
       - name: Run isort tests
         run: ./test/presubmit-isort-sdk.sh

.github/workflows/sdk-upgrade.yml

@@ -22,7 +22,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
-          python-version: 3.9
+          python-version: 3.10
 
       - name: Run SDK upgrade tests
         run: ./test/presubmit-test-sdk-upgrade.sh

.github/workflows/sdk-yapf.yml

@@ -24,7 +24,7 @@ jobs:
     - name: Set up Python
       uses: actions/setup-python@v4
       with:
-        python-version: '3.9'
+        python-version: '3.10'
 
     - name: Install dependencies
       run: pip install yapf

.github/workflows/upgrade-test.yml

@@ -28,7 +28,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
-          python-version: 3.9
+          python-version: 3.10
 
       - name: Create KFP cluster
         id: create-kfp-cluster

.github/workflows/validate-generated-files.yml

@@ -37,7 +37,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
-          python-version: 3.9
+          python-version: 3.10
 
       - name: Install protobuf dependencies & kfp-pipeline-spec
         id: install-protobuf-deps

.gitignore

@@ -68,6 +68,7 @@ _build
 
 # virtualenv
 .venv/
+venv
 
 # python sdk package
 *.tar.gz

sdk/python/kfp/cli/compile_test.py

@@ -29,7 +29,7 @@ def my_comp():
         @dsl.container_component
         def my_container_comp():
             return dsl.ContainerSpec(
-                image='python:3.9',
+                image='python:3.10',
                 command=['echo', 'hello world'],
                 args=[],
             )
@@ -55,7 +55,7 @@ def my_comp():
         @dsl.container_component
         def my_container_comp():
             return dsl.ContainerSpec(
-                image='python:3.9',
+                image='python:3.10',
                 command=['echo', 'hello world'],
                 args=[],
             )

sdk/python/kfp/cli/component_test.py

@@ -494,7 +494,7 @@ def test_docker_file_is_created_correctly(self):
             textwrap.dedent('''\
                 # Generated by KFP.
 
-                FROM python:3.9
+                FROM python:3.10
 
                 WORKDIR /usr/local/src/kfp/components
                 COPY runtime-requirements.txt runtime-requirements.txt
@@ -523,7 +523,7 @@ def test_docker_file_is_created_correctly_with_one_url(self):
             textwrap.dedent('''\
                 # Generated by KFP.
 
-                FROM python:3.9
+                FROM python:3.10
 
                 WORKDIR /usr/local/src/kfp/components
                 COPY runtime-requirements.txt runtime-requirements.txt
@@ -554,7 +554,7 @@ def test_docker_file_is_created_correctly_with_two_urls(self):
             textwrap.dedent('''\
                 # Generated by KFP.
 
-                FROM python:3.9
+                FROM python:3.10
 
                 WORKDIR /usr/local/src/kfp/components
                 COPY runtime-requirements.txt runtime-requirements.txt
@@ -597,7 +597,7 @@ def test_existing_dockerfile_can_be_overwritten(self):
             textwrap.dedent('''\
                 # Generated by KFP.
 
-                FROM python:3.9
+                FROM python:3.10
 
                 WORKDIR /usr/local/src/kfp/components
                 COPY runtime-requirements.txt runtime-requirements.txt
@@ -636,7 +636,7 @@ def test_dockerfile_can_contain_custom_kfp_package(self):
         file_start = textwrap.dedent('''\
                 # Generated by KFP.
 
-                FROM python:3.9
+                FROM python:3.10
 
                 WORKDIR /usr/local/src/kfp/components
                 COPY runtime-requirements.txt runtime-requirements.txt
@@ -665,7 +665,7 @@ def test_docker_file_is_created_one_trusted_host(self):
             textwrap.dedent('''\
                     # Generated by KFP.
 
-                    FROM python:3.9
+                    FROM python:3.10
 
                     WORKDIR /usr/local/src/kfp/components
                     COPY runtime-requirements.txt runtime-requirements.txt
@@ -695,7 +695,7 @@ def test_docker_file_is_created_two_trusted_host(self):
             textwrap.dedent('''\
                     # Generated by KFP.
 
-                    FROM python:3.9
+                    FROM python:3.10
 
                     WORKDIR /usr/local/src/kfp/components
                     COPY runtime-requirements.txt runtime-requirements.txt

sdk/python/kfp/compiler/compiler_test.py

@@ -700,7 +700,7 @@ def test_use_task_final_status_in_non_exit_op_yaml(self):
 - {name: message, type: PipelineTaskFinalStatus}
 implementation:
   container:
-    image: python:3.9
+    image: python:3.10
     command:
     - echo
     - {inputValue: message}
@@ -975,14 +975,14 @@ def orchestrator_pipeline():
     def test_pipeline_with_parameterized_container_image(self):
         with tempfile.TemporaryDirectory() as tmpdir:
 
-            @dsl.component(base_image='docker.io/python:3.9.17')
+            @dsl.component(base_image='docker.io/python:3.10.17')
             def empty_component():
                 pass
 
             @dsl.pipeline()
             def simple_pipeline(img: str):
                 task = empty_component()
-                # overwrite base_image="docker.io/python:3.9.17"
+                # overwrite base_image="docker.io/python:3.10.17"
                 task.set_container_image(img)
 
             output_yaml = os.path.join(tmpdir, 'result.yaml')
@@ -1010,14 +1010,14 @@ def simple_pipeline(img: str):
     def test_pipeline_with_constant_container_image(self):
         with tempfile.TemporaryDirectory() as tmpdir:
 
-            @dsl.component(base_image='docker.io/python:3.9.17')
+            @dsl.component(base_image='docker.io/python:3.10.17')
             def empty_component():
                 pass
 
             @dsl.pipeline()
             def simple_pipeline():
                 task = empty_component()
-                # overwrite base_image="docker.io/python:3.9.17"
+                # overwrite base_image="docker.io/python:3.10.17"
                 task.set_container_image('constant-value')
 
             output_yaml = os.path.join(tmpdir, 'result.yaml')
@@ -1474,7 +1474,7 @@ def test_compile_container_component_simple(self):
         def hello_world_container() -> dsl.ContainerSpec:
             """Hello world component."""
             return dsl.ContainerSpec(
-                image='python:3.9',
+                image='python:3.10',
                 command=['echo', 'hello world'],
                 args=[],
             )
@@ -1497,7 +1497,7 @@ def test_compile_container_with_simple_io(self):
         @dsl.container_component
         def container_simple_io(text: str, output_path: dsl.OutputPath(str)):
             return dsl.ContainerSpec(
-                image='python:3.9',
+                image='python:3.10',
                 command=['my_program', text],
                 args=['--output_path', output_path])
 
@@ -2545,7 +2545,7 @@ def my_component(string: str, model: bool) -> str:
         def my_container_component(text: str, output_path: OutputPath(str)):
             """component description."""
             return ContainerSpec(
-                image='python:3.9',
+                image='python:3.10',
                 command=['my_program', text],
                 args=['--output_path', output_path])
 

sdk/python/kfp/components/load_yaml_utilities_test.py

@@ -121,7 +121,7 @@ def test_load_component_from_url(self):
         self.assertEqual(component.name, 'identity')
         self.assertEqual(
             component.component_spec.implementation.container.image,
-            'python:3.9')
+            'python:3.10')
 
 
 if __name__ == '__main__':

sdk/python/kfp/dsl/component_decorator.py

@@ -93,7 +93,7 @@ def my_function_one(input: str, output: Output[Model]):
             ...
 
         @dsl.component(
-        base_image='python:3.9',
+        base_image='python:3.10',
         output_component_file='my_function.yaml'
         )
         def my_function_two(input: Input[Mode])):