only run Python version matrix on cron or dispatch

Author: bpuchala

.github/workflows/test-linux.yml

@@ -13,15 +13,11 @@ jobs:
   build:
     runs-on: ubuntu-latest
     timeout-minutes: 60
-    strategy:
-      matrix:
-        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
-
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v5
         with:
-          python-version: ${{ matrix.python-version }}
+          python-version: '3.13'
 
       - name: Install build requirements
         run: |

.github/workflows/test-macos.yml

@@ -10,15 +10,11 @@ jobs:
   build:
     runs-on: macOS-latest
     timeout-minutes: 60
-    strategy:
-      matrix:
-        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
-
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v5
         with:
-          python-version: ${{ matrix.python-version }}
+          python-version: '3.13'
 
       - name: Install build requirements
         run: |

.github/workflows/test-python-versions.yml

@@ -0,0 +1,44 @@
+name: Testing Python versions on ubuntu-latest
+
+on:
+  schedule:
+    - cron: '0 12 * * 0'
+  workflow_dispatch: # Allows manual triggering
+
+env:
+  SKBUILD_BUILD_OPTIONS: --verbose
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    timeout-minutes: 60
+    strategy:
+      matrix:
+        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
+
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Install build requirements
+        run: |
+          sudo apt-get update
+          sudo apt-get install build-essential cmake
+          pip install --upgrade -r build_requirements.txt
+
+      - name: make
+        shell: bash
+        run: |
+          pip install .
+
+      - name: Install test requirements & set configuration variables
+        run: |
+          pip install -r test_requirements.txt
+          python -m casm.bset --autoconfigure --envfile "$GITHUB_ENV"
+
+      - name: make test
+        shell: bash
+        run: |
+          python -m pytest -rsap -x tests