[nlpo3-python] Add builds for more platforms

.github/workflows/build-python-wheels.yml

@@ -1,7 +1,7 @@
-# Build wheels for many platforms
+# Build wheels for many platforms, use cibuildwheel
 # see: https://github.com/pypa/cibuildwheel
 
-name: Build Python wheels
+name: Build wheels
 
 on:
   push:
@@ -27,7 +27,7 @@ on:
 
 jobs:
   echo_github_env:
-    name: Echo GitHub environment variables
+    name: Echo env variables
     runs-on: ubuntu-latest
     steps:
     - run: |
@@ -56,131 +56,74 @@ jobs:
       # To trigger the build steps, add "[cd build]" to commit message
 
   build_wheels:
-    name: Build ${{ matrix.python-version }}-${{ matrix.platform_id }}
+    name: Build ${{ matrix.os }}
     runs-on: ${{ matrix.os }}
     needs: check_build_trigger
     if: needs.check_build_trigger.outputs.build
     strategy:
       # Ensure that a wheel builder finishes even if another fails
       fail-fast: false
-      # For build identier, see:
-      # https://cibuildwheel.pypa.io/en/stable/options/#build-skip
       matrix:
         os: [macos-latest, ubuntu-latest, windows-latest]
-        python-version: ["3.13", "3.12", "3.11", "3.10", "3.9", "3.8", "3.7", "pypy3.10", "pypy3.9"]
-        bitness: [64, 32]
-        include:
-        - os: macos-latest
-          bitness: 64
-          platform_id: macosx_x86_64
-        - os: macos-latest
-          bitness: 64
-          platform_id: macosx_arm64
-        - os: ubuntu-latest
-          bitness: 64
-          platform_id: manylinux_x86_64
-        - os: ubuntu-latest
-          bitness: 32
-          platform_id: manylinux_i686
-        # - os: ubuntu-latest
-        #   bitness: 64
-        #   platform_id: musllinux_x86_64
-        # - os: ubuntu-latest
-        #   bitness: 32
-        #   platform_id: musllinux_i686
-        # - os: ubuntu-latest
-        #   bitness: 64
-        #   platform_id: manylinux_aarch64
-        # - os: ubuntu-latest
-        #   bitness: 64
-        #   platform_id: musllinux_aarch64
-        - os: windows-latest
-          bitness: 64
-          platform_id: win_amd64
-        - os: windows-latest
-          bitness: 32
-          platform_id: win32
-        exclude:
-        - os: macos-latest
-          bitness: 32
-        - os: macos-latest
-          python-version: "3.7"
-        - python-version: "pypy3.10"
-          bitness: 32
-        - python-version: "pypy3.9"
-          bitness: 32
+        python-version: ["3.13"]
     env:
-      CP_VER: ""
+      CIBW_BUILD: ""  # blank, let cibuildwheel build all supported platforms
+
     steps:
-    # cibuildwheel needs a specific Python implementation ID
-    - name: Make Python implementation ID
-      id: convert-version-id
-      if: startsWith(matrix.os, 'windows-') == false
-      run: |
-        PYTHON_VERSION=${{ matrix.python-version }}
-        if [[ "$PYTHON_VERSION" == pypy* ]]; then
-          CP_VER="pp${PYTHON_VERSION:4}"
-          CP_VER="${CP_VER//./}"
-        else
-          CP_VER="cp${PYTHON_VERSION//./}"
-        fi
-        echo "Python version: $CP_VER"
-        echo "CP_VER=$CP_VER" >> $GITHUB_ENV
-    - name: Make Python implementation ID (Windows)
-      id: convert-version-id-win
-      if: startsWith(matrix.os, 'windows-')
-      shell: powershell
-      run: |
-        $PYTHON_VERSION = "${{ matrix.python-version }}"
-        if ($PYTHON_VERSION -like "pypy*") {
-          $CP_VER = "pp" + $PYTHON_VERSION.Substring(4).Replace(".", "")
-        } else {
-          $CP_VER = "cp" + $PYTHON_VERSION.Replace(".", "")
-        }
-        echo "Python version: $CP_VER"
-        echo "CP_VER=$CP_VER" | Out-File -FilePath $env:GITHUB_ENV -Encoding utf8 -Append
     - name: Checkout source code
       uses: actions/checkout@v4
+
     - name: Setup Python
       uses: actions/setup-python@v5
       with:
         python-version: ${{ matrix.python-version }}
         cache: "pip"
+    - name: Install Python dependencies
+      run: python -m pip install --upgrade pip
+
     - name: Setup Rust toolchain
       if: startsWith(matrix.os, 'ubuntu-') == false
       uses: actions-rust-lang/setup-rust-toolchain@v1
       # For Linux, Rust will be installed inside a cibuildwheel container later
-    - name: Install Python dependencies
-      run: python -m pip install --upgrade pip
+
+    - name: Setup rustup target
+      if: startsWith(matrix.os, 'macos-')
+      run: rustup target add x86_64-apple-darwin
+      # For cross-compile x86 on GitHub arm64 runner
+
     - name: Build Python wheels
       uses: pypa/[email protected]
       with:
         package-dir: nlpo3-python
         output-dir: wheelhouse
       env:
         CIBW_BUILD_VERBOSITY: 1
-        # See build selector name at:
+        # See CIBW_BUILD, CIBW_SKIP, CIBW_ARCHS and other build selectors at:
         # https://cibuildwheel.readthedocs.io/en/stable/options/#build-skip
-        CIBW_BUILD: ${{ env.CP_VER }}-${{ matrix.platform_id }}
+        CIBW_SKIP: "*-musllinux_i686"
+        CIBW_ARCHS_MACOS: "x86_64 arm64"
         CIBW_ENVIRONMENT_MACOS: |
           MACOSX_DEPLOYMENT_TARGET=10.9
           PATH="$HOME/.cargo/bin:$PATH"
           CC=/usr/bin/clang
           CXX=/usr/bin/clang++
+        CIBW_ARCHS_LINUX: "auto"
         CIBW_ENVIRONMENT_LINUX: PATH="$HOME/.cargo/bin:$PATH"
         CIBW_BEFORE_BUILD_LINUX: |
           pip install --upgrade setuptools-rust
           curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y
         # It is needed to install Rust for Linux,
         # because cibuildwheel on Linux runs inside a container
         # and the container does not have Rust.
+        CIBW_ARCHS_WINDOWS: "AMD64 x86"
+
     - name: Store artifacts
       uses: actions/upload-artifact@v3
       with:
         path: ./wheelhouse/*.whl
 
   build_sdist:
-    name: Build Python source distribution
+    name: Build source distribution
     runs-on: ubuntu-latest
     needs: check_build_trigger
     if: needs.check_build_trigger.outputs.build
@@ -202,13 +145,13 @@ jobs:
         path: nlpo3-python/dist/*.tar.gz
 
   publish_pypi:
-    name: Publish Python package to PyPI
+    name: Publish to PyPI
     runs-on: ubuntu-latest
     needs: [build_wheels, build_sdist]
-    # Upload to PyPI on every tag starting with 'v'
-    #if: github.event_name == 'push' && startsWith(github.event.ref, 'v')
-    # Alternatively, to publish when a GitHub Release is created, use the following rule:
+    # Publish when a GitHub Release is created:
     if: github.event_name == 'release' && github.event.action == 'published'
+    # Alternatively, upload to PyPI on every tag starting with 'v':
+    #if: github.event_name == 'push' && startsWith(github.event.ref, 'v')
     steps:
     - name: Retrieve artifacts
       uses: actions/download-artifact@v3