adding cibuildwheel

.github/workflows/build_python.yml

@@ -1,86 +1,21 @@
-name: CMake build
+name: Build python wheels
 
-on:
-  push:
-  pull_request:
-  schedule:
-    - cron: '0 0 * * 1'  # 0h mondays
-  workflow_dispatch:
-    inputs:
-      git-ref:
-        description: Git Ref (Optional)
-        required: false
-
-# Show the git ref in the workflow name if it is invoked manually.
-run-name: ${{ github.event_name == 'workflow_dispatch' && format('Manual run {0} ', inputs.git-ref) || '' }}
-
-
-permissions:
-  contents: read
+on: [push, pull_request]
 
 jobs:
-
-  build-python:
+  build_wheels:
+    name: Build wheels on ${{ matrix.os }}
     runs-on: ${{ matrix.os }}
-    continue-on-error: true
     strategy:
-      fail-fast: false
       matrix:
-        os: [ubuntu-latest, macos-latest, windows-2019]
-    # env:
-    #   BUILD_PYTHON_CI: 1  # Or maybe just a cmake option BUILD_PYTHON? Defaulted to false? And maybe we can set shared libs to false for this build?
+        os: [ubuntu-20.04, windows-2019, macos-11]
 
     steps:
+      - uses: actions/checkout@v4
 
-      - name: Clone Repository (Latest)
-        uses: actions/checkout@v4
-        if: github.event.inputs.git-ref == ''
-        with:
-          ssh-key: ${{ secrets.SSH_PRIVATE_KEY_ACT }} # This forces checkout to use SSH, not HTTPS
-          submodules: recursive
-      - name: Clone Repository (Custom Ref)
-        uses: actions/checkout@v4
-        if: github.event.inputs.git-ref != ''
-        with:
-          ref: ${{ github.event.inputs.git-ref }}
-          ssh-key: ${{ secrets.SSH_PRIVATE_KEY_ACT }} # This forces checkout to use SSH, not HTTPS
-          submodules: recursive
+      - name: Build wheels
+        uses: pypa/cibuildwheel@v2.16.2
 
-      - name: Set up Python
-        uses: actions/setup-python@v5
+      - uses: actions/upload-artifact@v3
         with:
-          python-version: '3.11'
-
-      - run: pip install numpy pytest
-      - run: python -c "import sys; print('PYTHON_EXECUTABLE=' + sys.executable)" >> $GITHUB_ENV
-        shell: bash
-
-      - name: Install Ninja / Ubuntu
-        if: ${{ matrix.os == 'ubuntu-latest' }}
-        run: sudo apt update && sudo apt install ninja-build
-      - name: Install Ninja / MacOS
-        if: ${{ matrix.os == 'macos-latest' }}
-        run: brew install ninja
-      - name: Install Ninja / Windows
-        if: ${{ matrix.os == 'windows-2022' }}
-        run: choco install ninja
-
-      - name: Win_amd64 - install rtools
-        if: ${{ matrix.os == 'windows-2022' }}
-        run: |
-          # mingw-w64
-          choco install rtools -y --no-progress --force --version=4.0.0.20220206
-          echo "c:\rtools40\ucrt64\bin;" >> $env:GITHUB_PATH
-
-# TODO: I need to move the mingw folder so that it doesn't pick up the wrong gcc, yes?
-
-      - name: Build
-        run: |
-          cmake --version
-          cmake -G Ninja -DPython_EXECUTABLE=$PYTHON_EXECUTABLE -DCMAKE_BUILD_TYPE=RelWithDebInfo -DCMAKE_INSTALL_PREFIX=. -LAH .
-          cmake --build . --target prima_pybind
-          cmake --build . --target tests
-          ctest --output-on-failure -V -R python-tests
-        shell: bash
-
-# This is a work in progress, more to come.
+          path: ./wheelhouse/*.whl

pyproject.toml

@@ -6,6 +6,7 @@ build-backend = "scikit_build_core.build"
 name = "prima"
 dependencies = ["numpy"]
 dynamic = ["version"]
+requires-python = ">= 3.7"  # Driving factor is availavility of scikit-build-core
 
 [tool.scikit-build]
 cmake.targets = ["_prima"]
@@ -15,3 +16,6 @@ install.components = ["Prima_Python_C_Extension"]
 
 [tool.setuptools_scm]  # Section required
 version_file = "_version.txt"
+
+[tool.cibuildwheel]
+test-command = "pytest -s {project}/python/tests"