allow ci python version to override default in venv script

.github/workflows/ci.yaml

@@ -21,16 +21,16 @@ jobs:
     - name: Check out the repository
       uses: actions/checkout@v4
 
-    - name: Set up Python 3.11
+    - name: Set up Python 3.12
       uses: actions/setup-python@v5
       with:
-        python-version: '3.11'
+        python-version: '3.12'
 
     - name: Set up dependencies (Linux)
       if: runner.os == 'Linux'
       run: |
         cd prj/script
-        ./venv_create.sh
+        ./venv_create.sh 3.12
         cd ../..
 
     - name: Set up dependencies (Windows)

prj/script/venv_create.sh

@@ -3,6 +3,14 @@
 script_dir=$(dirname "$0")
 source ${script_dir}/common.sh
 
+# let caller (eg ci pipeline) override python version, by passing as arg to his script, eg
+#   - `venv_create.sh 3.11`
+# if none passed then the python version used is
+#   - that set in `common.sh`  if any, or if not set there then
+#   - whatever is found as "python" on path
+py_ver=${1:-$py_ver}
+
+
 echo "using python version: " ${py_ver}
 
 python${py_ver} -m venv ${venv_dir}