try add python build artifact example

tools/bazelify_tests/test/BUILD

@@ -270,7 +270,16 @@ grpc_build_artifact_task(
     docker_image_version = "tools/dockerfile/test/php73_zts_debian11_x64.current_version",
 )
 
-# TODO(jtattermusch): add grpc_build_artifact_task targets for python artifacts (but they would require ability to set env)
+# Python artifact build tasks
+
+grpc_build_artifact_task(
+    name = "artifact_python_linux_x64_manylinux2014_cp311",
+    build_script = "build_artifact_python_linux_x64_cp311.sh",
+    docker_image_version = "tools/dockerfile/grpc_artifact_python_manylinux2014_x64.current_version",
+)
+
+# TODO(jtattermusch): add more grpc_build_artifact_task targets for existing python artifacts from artifact_targets.py
+
 # TODO(jtattermusch): add grpc_build_artifact_task targets for ruby artifacts (which is tricky, since ruby artifact builds do not run under docker since they invoke docker themselves)
 
 test_suite(
@@ -280,6 +289,7 @@ test_suite(
         ":artifact_protoc_linux_x64_build_test",
         ":artifact_protoc_linux_x86_build_test",
         ":artifact_php_linux_x64_build_test",
+        ":artifact_python_linux_x64_manylinux2014_cp311_build_test",
     ],
 )
 

tools/bazelify_tests/test/build_artifact_python_linux_x64_cp311.sh

@@ -0,0 +1,31 @@
+#!/bin/bash
+# Copyright 2023 The gRPC Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+set -ex
+
+# env variable values extracted from PythonArtifact in tools/run_tests/artifacts/artifact_targets.py
+# TODO(jtattermusch): find a better way of configuring the python artifact build (the current approach mostly serves as a demonstration)
+export PYTHON=/opt/python/cp311-cp311/bin/python
+export PIP=/opt/python/cp311-cp311/bin/pip
+export GRPC_SKIP_PIP_CYTHON_UPGRADE=TRUE
+export GRPC_RUN_AUDITWHEEL_REPAIR=TRUE
+export GRPC_BUILD_GRPCIO_TOOLS_DEPENDENTS=TRUE
+
+# set build parallelism to fit the machine configuration of bazelified tests RBE pool.
+export GRPC_PYTHON_BUILD_EXT_COMPILER_JOBS=8
+
+mkdir -p artifacts
+
+ARTIFACTS_OUT=artifacts tools/run_tests/artifacts/build_artifact_python.sh