test

python/base.yml

 variables:
   PIP_CACHE_DIR: "$CI_PROJECT_DIR/.cache/pip"
 
+.python-versions:
+  versions:
+    - "3.8"
+    - "3.9"
+    - "3.10"
+    - "3.11"
+
 .python-default:
   image: python:$PYTHON_VERSIONS
   cache:
@@ -19,4 +26,5 @@ variables:
     matrix:
       # we test all released and supported versions
       # https://devguide.python.org/versions/#supported-versions
-      - PYTHON_VERSIONS: ["3.8", "3.9", "3.10", "3.11"]
+      # - PYTHON_VERSIONS: ["3.8", "3.9", "3.10", "3.11"]
+      - PYTHON_VERSIONS: !reference [.python-versions, versions]

test/python.yml

@@ -14,7 +14,7 @@ py_build:
     matrix:
       - PROJECT_ROOT: "test/python-template"
         EXIT_CODE: 0
-        PYTHON_VERSIONS: *py_versions
+        PYTHON_VERSIONS: !reference [.python-versions, versions]
 
 py_tests:
   before_script: