python environment activation by script

Author: Bernd Gassmann

.github/workflows/activate_python_environment.sh

@@ -0,0 +1,14 @@
+#!/bin/bash
+
+# ----------------- BEGIN LICENSE BLOCK ---------------------------------
+#
+# Copyright (c) 2025 Intel Corporation
+#
+# ----------------- END LICENSE BLOCK -----------------------------------
+##
+
+# use virtual environment for our build dependencies
+if [ ! -f build/map-build-venv/bin/activate ]; then
+    python${PYTHON_BINDING_VERSION} -m venv build/map-build-venv
+fi
+source build/map-build-venv/bin/activate

.github/workflows/build_test.yml

@@ -69,4 +69,5 @@ jobs:
       run: |
         sudo apt-get install ${EXTRA_PACKAGES}
         rm -rf log build install
+        source .github/workflows/activate_python_environment.sh
         eval CC=${CC} CXX=${CXX} ${BUILDCMD}

.github/workflows/install_dependencies.sh

@@ -33,15 +33,13 @@ sudo apt-get install -y --no-install-recommends build-essential castxml cmake sq
 
 
 sudo apt-get install -y --no-install-recommends python${PYTHON_BINDING_VERSION}-dev libpython${PYTHON_BINDING_VERSION}-dev
-curl -sS https://bootstrap.pypa.io/get-pip.py | sudo python${PYTHON_BINDING_VERSION}
 
 if [[ "${BUILD_DOCU}x" != "x" ]]; then
   sudo apt-get install doxygen graphviz lcov
 fi
 
 sudo apt remove python3-pygments
 
-# use virtual environment for our build dependencies
-python${PYTHON_BINDING_VERSION} -m venv build/map-build-venv
-source build/map-build-venv/bin/activate
+source activate_python_environment.sh
+curl -sS https://bootstrap.pypa.io/get-pip.py | python${PYTHON_BINDING_VERSION}
 python${PYTHON_BINDING_VERSION} -m pip install -r .github/workflows/requirements.txt