[CI] Drop Python 3.8 (grpc#38747)

Removed Python 3.8 builds and tests, to be aligned with [the Foundational Python Support](https://github.com/google/oss-policies-info/blob/e1ee4cc2cf0e906910430d1bea1c2e24c2c55425/foundational-python-support-matrix.md?plain=1#L6). Closes grpc#38747 PiperOrigin-RevId: 727070251
tanvi-jagtap · Feb 14, 2025 · 55cf79c · 55cf79c
1 parent 518943a
commit 55cf79c
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Showing 29 changed files with 46 additions and 119 deletions.
diff --git a/bazel/update_mirror.sh b/bazel/update_mirror.sh
@@ -57,9 +57,11 @@ function upload {
 # upload "github.com/google/boringssl/archive/1c2769383f027befac5b75b6cedd25daf3bf4dcf.tar.gz"
 
 # bazel binaries used by the tools/bazel wrapper script
+upload github.com/bazelbuild/bazel/releases/download/7.4.1/bazel-7.4.1-linux-arm64
 upload github.com/bazelbuild/bazel/releases/download/7.4.1/bazel-7.4.1-linux-x86_64
 upload github.com/bazelbuild/bazel/releases/download/7.4.1/bazel-7.4.1-darwin-x86_64
 upload github.com/bazelbuild/bazel/releases/download/7.4.1/bazel-7.4.1-windows-x86_64.exe
+upload github.com/bazelbuild/bazel/releases/download/8.0.1/bazel-8.0.1-linux-arm64
 upload github.com/bazelbuild/bazel/releases/download/8.0.1/bazel-8.0.1-linux-x86_64
 upload github.com/bazelbuild/bazel/releases/download/8.0.1/bazel-8.0.1-darwin-x86_64
 upload github.com/bazelbuild/bazel/releases/download/8.0.1/bazel-8.0.1-windows-x86_64.exe

diff --git a/build_handwritten.yaml b/build_handwritten.yaml
@@ -17,7 +17,6 @@ settings:
   g_stands_for: gears
   protobuf_version: 3.29.0
   supported_python_versions:
-  - '3.8'
   - '3.9'
   - '3.10'
   - '3.11'

diff --git a/src/python/grpcio/python_version.py b/src/python/grpcio/python_version.py
@@ -14,7 +14,7 @@
 
 # AUTO-GENERATED FROM `$REPO_ROOT/templates/src/python/grpcio/python_version.py.template`!!!
 
-SUPPORTED_PYTHON_VERSIONS = ['3.8', '3.9', '3.10', '3.11', '3.12', '3.13']
+SUPPORTED_PYTHON_VERSIONS = ['3.9', '3.10', '3.11', '3.12', '3.13']
 
-MIN_PYTHON_VERSION = 3.8
+MIN_PYTHON_VERSION = 3.9
 MAX_PYTHON_VERSION = 3.13
diff --git a/src/python/grpcio_admin/python_version.py b/src/python/grpcio_admin/python_version.py
@@ -14,7 +14,7 @@
 
 # AUTO-GENERATED FROM `$REPO_ROOT/templates/src/python/grpcio_admin/python_version.py.template`!!!
 
-SUPPORTED_PYTHON_VERSIONS = ['3.8', '3.9', '3.10', '3.11', '3.12', '3.13']
+SUPPORTED_PYTHON_VERSIONS = ['3.9', '3.10', '3.11', '3.12', '3.13']
 
-MIN_PYTHON_VERSION = 3.8
+MIN_PYTHON_VERSION = 3.9
 MAX_PYTHON_VERSION = 3.13
diff --git a/src/python/grpcio_channelz/python_version.py b/src/python/grpcio_channelz/python_version.py
@@ -14,7 +14,7 @@
 
 # AUTO-GENERATED FROM `$REPO_ROOT/templates/src/python/grpcio_channelz/python_version.py.template`!!!
 
-SUPPORTED_PYTHON_VERSIONS = ['3.8', '3.9', '3.10', '3.11', '3.12', '3.13']
+SUPPORTED_PYTHON_VERSIONS = ['3.9', '3.10', '3.11', '3.12', '3.13']
 
-MIN_PYTHON_VERSION = 3.8
+MIN_PYTHON_VERSION = 3.9
 MAX_PYTHON_VERSION = 3.13
diff --git a/src/python/grpcio_csds/python_version.py b/src/python/grpcio_csds/python_version.py
@@ -14,7 +14,7 @@
 
 # AUTO-GENERATED FROM `$REPO_ROOT/templates/src/python/grpcio_csds/python_version.py.template`!!!
 
-SUPPORTED_PYTHON_VERSIONS = ['3.8', '3.9', '3.10', '3.11', '3.12', '3.13']
+SUPPORTED_PYTHON_VERSIONS = ['3.9', '3.10', '3.11', '3.12', '3.13']
 
-MIN_PYTHON_VERSION = 3.8
+MIN_PYTHON_VERSION = 3.9
 MAX_PYTHON_VERSION = 3.13
diff --git a/src/python/grpcio_csm_observability/python_version.py b/src/python/grpcio_csm_observability/python_version.py
@@ -14,7 +14,7 @@
 
 # AUTO-GENERATED FROM `$REPO_ROOT/templates/src/python/grpcio_csm_observability/python_version.py.template`!!!
 
-SUPPORTED_PYTHON_VERSIONS = ['3.8', '3.9', '3.10', '3.11', '3.12', '3.13']
+SUPPORTED_PYTHON_VERSIONS = ['3.9', '3.10', '3.11', '3.12', '3.13']
 
-MIN_PYTHON_VERSION = 3.8
+MIN_PYTHON_VERSION = 3.9
 MAX_PYTHON_VERSION = 3.13
diff --git a/src/python/grpcio_health_checking/python_version.py b/src/python/grpcio_health_checking/python_version.py
@@ -14,7 +14,7 @@
 
 # AUTO-GENERATED FROM `$REPO_ROOT/templates/src/python/grpcio_health_checking/python_version.py.template`!!!
 
-SUPPORTED_PYTHON_VERSIONS = ['3.8', '3.9', '3.10', '3.11', '3.12', '3.13']
+SUPPORTED_PYTHON_VERSIONS = ['3.9', '3.10', '3.11', '3.12', '3.13']
 
-MIN_PYTHON_VERSION = 3.8
+MIN_PYTHON_VERSION = 3.9
 MAX_PYTHON_VERSION = 3.13
diff --git a/src/python/grpcio_observability/python_version.py b/src/python/grpcio_observability/python_version.py
@@ -14,7 +14,7 @@
 
 # AUTO-GENERATED FROM `$REPO_ROOT/templates/src/python/grpcio_observability/python_version.py.template`!!!
 
-SUPPORTED_PYTHON_VERSIONS = ['3.8', '3.9', '3.10', '3.11', '3.12', '3.13']
+SUPPORTED_PYTHON_VERSIONS = ['3.9', '3.10', '3.11', '3.12', '3.13']
 
-MIN_PYTHON_VERSION = 3.8
+MIN_PYTHON_VERSION = 3.9
 MAX_PYTHON_VERSION = 3.13
diff --git a/src/python/grpcio_reflection/python_version.py b/src/python/grpcio_reflection/python_version.py
@@ -14,7 +14,7 @@
 
 # AUTO-GENERATED FROM `$REPO_ROOT/templates/src/python/grpcio_reflection/python_version.py.template`!!!
 
-SUPPORTED_PYTHON_VERSIONS = ['3.8', '3.9', '3.10', '3.11', '3.12', '3.13']
+SUPPORTED_PYTHON_VERSIONS = ['3.9', '3.10', '3.11', '3.12', '3.13']
 
-MIN_PYTHON_VERSION = 3.8
+MIN_PYTHON_VERSION = 3.9
 MAX_PYTHON_VERSION = 3.13
diff --git a/src/python/grpcio_status/python_version.py b/src/python/grpcio_status/python_version.py
@@ -14,7 +14,7 @@
 
 # AUTO-GENERATED FROM `$REPO_ROOT/templates/src/python/grpcio_status/python_version.py.template`!!!
 
-SUPPORTED_PYTHON_VERSIONS = ['3.8', '3.9', '3.10', '3.11', '3.12', '3.13']
+SUPPORTED_PYTHON_VERSIONS = ['3.9', '3.10', '3.11', '3.12', '3.13']
 
-MIN_PYTHON_VERSION = 3.8
+MIN_PYTHON_VERSION = 3.9
 MAX_PYTHON_VERSION = 3.13
diff --git a/templates/tools/dockerfile/compile_python_38.include b/templates/tools/dockerfile/compile_python_38.include
diff --git a/templates/tools/dockerfile/test/python_debian11_default_x64/Dockerfile.template b/templates/tools/dockerfile/test/python_debian11_default_x64/Dockerfile.template
@@ -19,7 +19,6 @@
   <%include file="../../apt_get_basic.include"/>
   <%include file="../../run_tests_addons.include"/>
 
-  <%include file="../../compile_python_38.include"/>
   <%include file="../../compile_python_310.include"/>
   <%include file="../../compile_python_311.include"/>
   <%include file="../../compile_python_312.include"/>

diff --git a/tools/bazelify_tests/dockerimage_current_versions.bzl b/tools/bazelify_tests/dockerimage_current_versions.bzl
@@ -52,7 +52,7 @@ DOCKERIMAGE_CURRENT_VERSIONS = {
     "tools/dockerfile/distribtest/python_dev_ubuntu2204_x64.current_version": "docker://us-docker.pkg.dev/grpc-testing/testing-images-public/python_dev_ubuntu2204_x64@sha256:4fc253b24afa128d6295c4e1ac71ea4f8602c7153f4e2e0f38433c14236ec643",
     "tools/dockerfile/distribtest/python_fedora39_x64.current_version": "docker://us-docker.pkg.dev/grpc-testing/testing-images-public/python_fedora39_x64@sha256:f2ad099b0d3553f37077705aaf6d221906fba88f0502e7131024a936ec40f58e",
     "tools/dockerfile/distribtest/python_opensuse_x64.current_version": "docker://us-docker.pkg.dev/grpc-testing/testing-images-public/python_opensuse_x64@sha256:962e835125423300b800e0448b698de0ff8397819b90c2a8c15fef281619f1b6",
-    "tools/dockerfile/distribtest/python_python38_buster_aarch64.current_version": "docker://us-docker.pkg.dev/grpc-testing/testing-images-public/python_python38_buster_aarch64@sha256:0a93bf2a0303aebe1280bafad69df228b9444af9144c767d8169ecc70fb383f6",
+    "tools/dockerfile/distribtest/python_python39_buster_aarch64.current_version": "docker://us-docker.pkg.dev/grpc-testing/testing-images-public/python_python39_buster_aarch64@sha256:8f8c51df62e55151db1fec8fc131297f730e2733be02c0bd3933afc993c3d887",
     "tools/dockerfile/distribtest/python_ubuntu2004_x64.current_version": "docker://us-docker.pkg.dev/grpc-testing/testing-images-public/python_ubuntu2004_x64@sha256:288cf72bc98fc384b9352d1f6d258b3513925ffe5746dda7e2e343723dd5f733",
     "tools/dockerfile/distribtest/python_ubuntu2204_x64.current_version": "docker://us-docker.pkg.dev/grpc-testing/testing-images-public/python_ubuntu2204_x64@sha256:6054d639247a93af2b496f3c1ce48f63b2e07f5ba54e025f69bb232a747c644e",
     "tools/dockerfile/distribtest/ruby_debian11_x64_ruby_3_0.current_version": "docker://us-docker.pkg.dev/grpc-testing/testing-images-public/ruby_debian11_x64_ruby_3_0@sha256:05c579d93764f12db1a60fa78a26e0f4d6179e54187a3a531c8ff955001731ec",
@@ -111,7 +111,7 @@ DOCKERIMAGE_CURRENT_VERSIONS = {
     "tools/dockerfile/test/php8_zts_debian12_x64.current_version": "docker://us-docker.pkg.dev/grpc-testing/testing-images-public/php8_zts_debian12_x64@sha256:911241a4e38046b603245d56a1ca9491e81990ca9dedb0671e41b15387e3d2ee",
     "tools/dockerfile/test/python_alpine_x64.current_version": "docker://us-docker.pkg.dev/grpc-testing/testing-images-public/python_alpine_x64@sha256:01e99e5dcee30255a4683ebd308b6484b5aa4624dd514fc7d83df5fd1a0144be",
     "tools/dockerfile/test/python_debian11_default_arm64.current_version": "docker://us-docker.pkg.dev/grpc-testing/testing-images-public/python_debian11_default_arm64@sha256:fccca33a655c7aa89dd7ebd9492cbcc1f636bd2a004cd939d1982cfce3d68326",
-    "tools/dockerfile/test/python_debian11_default_x64.current_version": "docker://us-docker.pkg.dev/grpc-testing/testing-images-public/python_debian11_default_x64@sha256:5dd3020951638968c17e88dc4a7266413751645fb9de78185da7f73aaa6e9481",
+    "tools/dockerfile/test/python_debian11_default_x64.current_version": "docker://us-docker.pkg.dev/grpc-testing/testing-images-public/python_debian11_default_x64@sha256:29fcc464fcbcbd9f6a956c090e962f9360d1231eebab140cf2b8aacea71c50d5",
     "tools/dockerfile/test/rbe_ubuntu2004.current_version": "docker://us-docker.pkg.dev/grpc-testing/testing-images-public/rbe_ubuntu2004@sha256:b3eb1a17b7b091e3c5648a803076b2c40601242ff91c04d55997af6641305f68",
     "tools/dockerfile/test/ruby_debian11_arm64.current_version": "docker://us-docker.pkg.dev/grpc-testing/testing-images-public/ruby_debian11_arm64@sha256:d2e79919b2e2d4cc36a29682ecb5170641df4fb506cfb453978ffdeb8a841bd9",
     "tools/dockerfile/test/ruby_debian11_x64.current_version": "docker://us-docker.pkg.dev/grpc-testing/testing-images-public/ruby_debian11_x64@sha256:6e8b4696ba0661f11a31ed0992a94d2efcd889a018f57160f0e2fb62963f3593",

diff --git a/tools/distrib/docgen/_generate_python_doc.sh b/tools/distrib/docgen/_generate_python_doc.sh
@@ -24,7 +24,7 @@ HOME="$(mktemp -d)"
 export HOME
 
 pip install -r tools/distrib/docgen/requirements.docs.lock
-tools/run_tests/run_tests.py -c opt -l python --compiler python3.8 --newline_on_success -j 8 --build_only
+tools/run_tests/run_tests.py -c opt -l python --compiler python3.9 --newline_on_success -j 8 --build_only
 # shellcheck disable=SC1091
 source py38/bin/activate
 pip install --upgrade Sphinx

diff --git a/tools/distrib/python/grpcio_tools/grpc_tools/python_version.py b/tools/distrib/python/grpcio_tools/grpc_tools/python_version.py
@@ -14,7 +14,7 @@
 
 # AUTO-GENERATED FROM `$REPO_ROOT/templates/tools/distrib/python/grpcio_tools/grpc_tools/python_version.py.template`!!!
 
-SUPPORTED_PYTHON_VERSIONS = ['3.8', '3.9', '3.10', '3.11', '3.12', '3.13']
+SUPPORTED_PYTHON_VERSIONS = ['3.9', '3.10', '3.11', '3.12', '3.13']
 
-MIN_PYTHON_VERSION = 3.8
+MIN_PYTHON_VERSION = 3.9
 MAX_PYTHON_VERSION = 3.13
diff --git a/tools/distrib/python/grpcio_tools/python_version.py b/tools/distrib/python/grpcio_tools/python_version.py
@@ -14,7 +14,7 @@
 
 # AUTO-GENERATED FROM `$REPO_ROOT/templates/tools/distrib/python/grpcio_tools/python_version.py.template`!!!
 
-SUPPORTED_PYTHON_VERSIONS = ['3.8', '3.9', '3.10', '3.11', '3.12', '3.13']
+SUPPORTED_PYTHON_VERSIONS = ['3.9', '3.10', '3.11', '3.12', '3.13']
 
-MIN_PYTHON_VERSION = 3.8
+MIN_PYTHON_VERSION = 3.9
 MAX_PYTHON_VERSION = 3.13
diff --git a/tools/distrib/python/xds_protos/python_version.py b/tools/distrib/python/xds_protos/python_version.py
diff --git a/tools/dockerfile/distribtest/python_python38_buster_aarch64.current_version b/tools/dockerfile/distribtest/python_python38_buster_aarch64.current_version
diff --git a/tools/dockerfile/distribtest/python_python39_buster_aarch64.current_version b/tools/dockerfile/distribtest/python_python39_buster_aarch64.current_version
@@ -0,0 +1 @@
+us-docker.pkg.dev/grpc-testing/testing-images-public/python_python39_buster_aarch64:c82053c0e45567ae212bee1f74379de306efb549@sha256:8f8c51df62e55151db1fec8fc131297f730e2733be02c0bd3933afc993c3d887
diff --git a/...python_python38_buster_aarch64/Dockerfile → ...python_python39_buster_aarch64/Dockerfile b/...python_python38_buster_aarch64/Dockerfile → ...python_python39_buster_aarch64/Dockerfile
@@ -13,6 +13,6 @@
 # limitations under the License.
 
 # this an aarch64 image, qemu emulator will be used to run the tests
-FROM arm64v8/python:3.8-buster
+FROM arm64v8/python:3.9-buster
 
 RUN python3 -m pip install virtualenv
diff --git a/tools/dockerfile/test/python_debian11_default_x64.current_version b/tools/dockerfile/test/python_debian11_default_x64.current_version
@@ -1 +1 @@
-us-docker.pkg.dev/grpc-testing/testing-images-public/python_debian11_default_x64:166180a7ba2d2b169c52068b7a53a3b87ea73ec2@sha256:5dd3020951638968c17e88dc4a7266413751645fb9de78185da7f73aaa6e9481
+us-docker.pkg.dev/grpc-testing/testing-images-public/python_debian11_default_x64:073d45cee5a5a8988c3e4a9eea8a751c33488927@sha256:29fcc464fcbcbd9f6a956c090e962f9360d1231eebab140cf2b8aacea71c50d5
diff --git a/tools/dockerfile/test/python_debian11_default_x64/Dockerfile b/tools/dockerfile/test/python_debian11_default_x64/Dockerfile
@@ -66,27 +66,6 @@ RUN git config --global protocol.file.allow always
 RUN mkdir /var/local/jenkins
 
 
-#=================
-# Compile CPython 3.8.13 from source
-
-RUN apt-get update && apt-get install -y zlib1g-dev libssl-dev libsqlite3-dev && apt-get clean
-RUN apt-get update && apt-get install -y jq build-essential libffi-dev && apt-get clean
-
-RUN cd /tmp && \
-    wget -q https://www.python.org/ftp/python/3.8.13/Python-3.8.13.tgz && \
-    tar xzvf Python-3.8.13.tgz && \
-    cd Python-3.8.13 && \
-    ./configure && \
-    make -j4 && \
-    make install
-
-RUN cd /tmp && \
-    echo "3c49180c6b43df3519849b7e390af0b9 Python-3.8.13.tgz" > checksum.md5 && \
-    md5sum -c checksum.md5
-
-RUN python3.8 -m ensurepip && \
-    python3.8 -m pip install coverage
-
 #=================
 # Compile CPython 3.10.3 from source
 

diff --git a/tools/internal_ci/helper_scripts/prepare_build_macos_rc b/tools/internal_ci/helper_scripts/prepare_build_macos_rc
@@ -125,16 +125,6 @@ then
   time pip install --user -r $DIR/requirements.macos.txt
   time pip install --user --upgrade virtualenv Mako tox setuptools==44.1.1 twisted
 
-  # Force reinstall of python3.8 to upgrade its patch version.
-  # Kokoro mac workers come with python 3.8.2 and that version
-  # suffers from https://bugs.python.org/issue22490.
-  # See https://github.com/grpc/grpc/pull/28963.
-  time curl -O https://www.python.org/ftp/python/3.8.10/python-3.8.10-macosx10.9.pkg
-  echo "4c65bc7534d5f07edacbe0fbd609b5734dbf3ac02f5444f9bd97963d589d8afd  python-3.8.10-macosx10.9.pkg" > /tmp/python_installer_checksum.sha256
-  shasum -c /tmp/python_installer_checksum.sha256
-  time sudo installer -pkg ./python-3.8.10-macosx10.9.pkg -target /
-  python3.8 --version
-
   # Install Python 3.9 if it doesn't exist
   if [ ! -f "/usr/local/bin/python3.9" ]; then
     time curl -O https://www.python.org/ftp/python/3.9.10/python-3.9.10-macosx10.9.pkg

diff --git a/tools/internal_ci/linux/aws/grpc_run_basictests_python_aarch64.sh b/tools/internal_ci/linux/aws/grpc_run_basictests_python_aarch64.sh
@@ -28,8 +28,8 @@ cd grpc
 
 git submodule update --init
 
-# build and test python (currently we only test with python3.8, but that's ok since our aarch64 testing resources are limited)
-tools/run_tests/run_tests.py -l python --compiler python3.8 -c opt -t -x run_tests/python_linux_opt_native/sponge_log.xml --report_suite_name python_linux_opt_native --report_multi_target || FAILED=true
+# build and test python (currently we only test with python3.9, but that's ok since our aarch64 testing resources are limited)
+tools/run_tests/run_tests.py -l python --compiler python3.9 -c opt -t -x run_tests/python_linux_opt_native/sponge_log.xml --report_suite_name python_linux_opt_native --report_multi_target || FAILED=true
 
 if [ "$FAILED" != "" ]
 then

diff --git a/tools/internal_ci/macos/grpc_distribtests_python.sh b/tools/internal_ci/macos/grpc_distribtests_python.sh
@@ -26,7 +26,6 @@ source tools/internal_ci/helper_scripts/prepare_build_macos_rc
 
 # TODO(jtattermusch): cleanup this prepare build step (needed for python artifact build)
 # install cython for all python versions
-python3.8 -m pip install -U 'cython<4.0.0rc1' setuptools==65.4.1 wheel --user
 python3.9 -m pip install -U 'cython<4.0.0rc1' setuptools==65.4.1 wheel --user
 python3.10 -m pip install -U 'cython<4.0.0rc1' setuptools==65.4.1 wheel --user
 python3.11 -m pip install -U 'cython<4.0.0rc1' setuptools==65.4.1 wheel --user

diff --git a/tools/run_tests/artifacts/artifact_targets.py b/tools/run_tests/artifacts/artifact_targets.py
@@ -410,15 +410,13 @@ def targets():
             ProtocArtifact("macos", "x64", presubmit=True),
             ProtocArtifact("windows", "x64", presubmit=True),
             ProtocArtifact("windows", "x86", presubmit=True),
-            PythonArtifact("manylinux2014", "x64", "cp38-cp38", presubmit=True),
             PythonArtifact("manylinux2014", "x64", "cp39-cp39", presubmit=True),
             PythonArtifact("manylinux2014", "x64", "cp310-cp310"),
             PythonArtifact("manylinux2014", "x64", "cp311-cp311"),
             PythonArtifact("manylinux2014", "x64", "cp312-cp312"),
             PythonArtifact(
                 "manylinux2014", "x64", "cp313-cp313", presubmit=True
             ),
-            PythonArtifact("manylinux2014", "x86", "cp38-cp38", presubmit=True),
             PythonArtifact("manylinux2014", "x86", "cp39-cp39", presubmit=True),
             PythonArtifact("manylinux2014", "x86", "cp310-cp310"),
             PythonArtifact("manylinux2014", "x86", "cp311-cp311"),
@@ -427,63 +425,55 @@ def targets():
                 "manylinux2014", "x86", "cp313-cp313", presubmit=True
             ),
             PythonArtifact(
-                "manylinux2014", "aarch64", "cp38-cp38", presubmit=True
+                "manylinux2014", "aarch64", "cp39-cp39", presubmit=True
             ),
-            PythonArtifact("manylinux2014", "aarch64", "cp39-cp39"),
             PythonArtifact("manylinux2014", "aarch64", "cp310-cp310"),
             PythonArtifact("manylinux2014", "aarch64", "cp311-cp311"),
             PythonArtifact("manylinux2014", "aarch64", "cp312-cp312"),
             PythonArtifact(
                 "manylinux2014", "aarch64", "cp313-cp313", presubmit=True
             ),
-            PythonArtifact("linux_extra", "armv7", "cp38-cp38", presubmit=True),
-            PythonArtifact("linux_extra", "armv7", "cp39-cp39"),
+            PythonArtifact("linux_extra", "armv7", "cp39-cp39", presubmit=True),
             PythonArtifact("linux_extra", "armv7", "cp310-cp310"),
             PythonArtifact("linux_extra", "armv7", "cp311-cp311"),
             PythonArtifact("linux_extra", "armv7", "cp312-cp312"),
             PythonArtifact(
                 "linux_extra", "armv7", "cp313-cp313", presubmit=True
             ),
-            PythonArtifact("musllinux_1_1", "x64", "cp38-cp38", presubmit=True),
-            PythonArtifact("musllinux_1_1", "x64", "cp39-cp39"),
+            PythonArtifact("musllinux_1_1", "x64", "cp39-cp39", presubmit=True),
             PythonArtifact("musllinux_1_1", "x64", "cp310-cp310"),
             PythonArtifact("musllinux_1_1", "x64", "cp311-cp311"),
             PythonArtifact("musllinux_1_1", "x64", "cp312-cp312"),
             PythonArtifact(
                 "musllinux_1_1", "x64", "cp313-cp313", presubmit=True
             ),
-            PythonArtifact("musllinux_1_1", "x86", "cp38-cp38", presubmit=True),
-            PythonArtifact("musllinux_1_1", "x86", "cp39-cp39"),
+            PythonArtifact("musllinux_1_1", "x86", "cp39-cp39", presubmit=True),
             PythonArtifact("musllinux_1_1", "x86", "cp310-cp310"),
             PythonArtifact("musllinux_1_1", "x86", "cp311-cp311"),
             PythonArtifact("musllinux_1_1", "x86", "cp312-cp312"),
             PythonArtifact(
                 "musllinux_1_1", "x86", "cp313-cp313", presubmit=True
             ),
             PythonArtifact(
-                "musllinux_1_1", "aarch64", "cp38-cp38", presubmit=True
+                "musllinux_1_1", "aarch64", "cp39-cp39", presubmit=True
             ),
-            PythonArtifact("musllinux_1_1", "aarch64", "cp39-cp39"),
             PythonArtifact("musllinux_1_1", "aarch64", "cp310-cp310"),
             PythonArtifact("musllinux_1_1", "aarch64", "cp311-cp311"),
             PythonArtifact("musllinux_1_1", "aarch64", "cp312-cp312"),
             PythonArtifact(
                 "musllinux_1_1", "aarch64", "cp313-cp313", presubmit=True
             ),
-            PythonArtifact("macos", "x64", "python3.8", presubmit=True),
-            PythonArtifact("macos", "x64", "python3.9"),
+            PythonArtifact("macos", "x64", "python3.9", presubmit=True),
             PythonArtifact("macos", "x64", "python3.10"),
             PythonArtifact("macos", "x64", "python3.11"),
             PythonArtifact("macos", "x64", "python3.12"),
             PythonArtifact("macos", "x64", "python3.13", presubmit=True),
-            PythonArtifact("windows", "x86", "Python38_32bit", presubmit=True),
-            PythonArtifact("windows", "x86", "Python39_32bit"),
+            PythonArtifact("windows", "x86", "Python39_32bit", presubmit=True),
             PythonArtifact("windows", "x86", "Python310_32bit"),
             PythonArtifact("windows", "x86", "Python311_32bit"),
             PythonArtifact("windows", "x86", "Python312_32bit"),
             PythonArtifact("windows", "x86", "Python313_32bit", presubmit=True),
-            PythonArtifact("windows", "x64", "Python38", presubmit=True),
-            PythonArtifact("windows", "x64", "Python39"),
+            PythonArtifact("windows", "x64", "Python39", presubmit=True),
             PythonArtifact("windows", "x64", "Python310"),
             PythonArtifact("windows", "x64", "Python311"),
             PythonArtifact("windows", "x64", "Python312"),
-Original file line number
+Diff line change
@@ Expand Up / @@ -17,7 +17,6 @@ settings: @@
       g_stands_for: gears
       protobuf_version: 3.29.0
       supported_python_versions:
-      - '3.8'
       - '3.9'
       - '3.10'
       - '3.11'
@@ Expand Down @@
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1 @@
		us-docker.pkg.dev/grpc-testing/testing-images-public/python_python39_buster_aarch64:c82053c0e45567ae212bee1f74379de306efb549@sha256:8f8c51df62e55151db1fec8fc131297f730e2733be02c0bd3933afc993c3d887
Original file line number	Diff line number	Diff line change
		@@ -1 +1 @@
		us-docker.pkg.dev/grpc-testing/testing-images-public/python_debian11_default_x64:166180a7ba2d2b169c52068b7a53a3b87ea73ec2@sha256:5dd3020951638968c17e88dc4a7266413751645fb9de78185da7f73aaa6e9481
		us-docker.pkg.dev/grpc-testing/testing-images-public/python_debian11_default_x64:073d45cee5a5a8988c3e4a9eea8a751c33488927@sha256:29fcc464fcbcbd9f6a956c090e962f9360d1231eebab140cf2b8aacea71c50d5