manually install python if needed

.github/workflows/sample-tests.yaml

@@ -140,9 +140,10 @@ jobs:
           service_account: ${{ secrets.SERVICE_ACCOUNT }}
 
       - name: Setup Python
-        uses: actions/setup-python@v4
-        with:
-          python-version: '3.9'
+        run: |
+          if python -V | grep -q -L '3.10'; then
+            ./examples/python/install_python.sh
+          fi
      
       - name: 'Set up Cloud SDK'
         uses: 'google-github-actions/setup-gcloud@v1.0.1'

examples/python/install_python.sh

@@ -0,0 +1,47 @@
+#! /bin/bash
+# Copyright 2022 Google LLC
+#
+# 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.
+
+# `-e` enables the script to automatically fail when a command fails
+set -ex
+
+apt update
+
+# Install dependencies
+ apt install -y \
+    build-essential \
+    zlib1g-dev \
+    libncurses5-dev \
+    libgdbm-dev libnss3-dev \
+    libssl-dev \
+    libreadline-dev \
+    libffi-dev \
+    libsqlite3-dev \
+    wget \
+    libbz2-dev
+
+# Download Source Code
+wget https://www.python.org/ftp/python/3.10.0/Python-3.10.0.tgz
+tar -xvf Python-3.10.0.tgz
+
+# Build from source
+cd Python-3.10.0
+./configure --enable-optimizations
+make -j "$(nproc)"
+make altinstall
+
+
+update-alternatives --install /usr/bin/python python /usr/local/bin/python3.10 1
+update-alternatives --install /usr/bin/pip pip /usr/local/bin/pip3.10 1
+python --version