Refactor GitHub Actions workflow for building wheels and source distributions. Updated OS matrix and improved architecture handling. Replaced Python setup steps with direct usage of cibuildwheel and pipx for building. Enhanced artifact management during publish step.

Author: phith0n

.github/workflows/publish.yml

@@ -14,29 +14,41 @@ on:
 jobs:
   build_wheels:
     name: Build wheels on ${{ matrix.os }}
-    runs-on: ${{ matrix.os }}
+    runs-on: ${{ matrix.runs-on }}
     strategy:
       matrix:
-        os: [ubuntu-latest, windows-latest, macOS-latest, macos-13, ubuntu-24.04-arm, ]
+        os: [ linux-intel, linux-arm, windows, macOS-intel, macOS-arm ]
+        include:
+          - archs: auto
+            platform: auto
+          - os: linux-intel
+            runs-on: ubuntu-latest
+          - os: linux-arm
+            runs-on: ubuntu-24.04-arm
+          - os: windows
+            runs-on: windows-latest
+          - os: macos-intel
+            # macos-13 was the last x86_64 runner
+            runs-on: macos-13
+          - os: macos-arm
+            # macos-14+ (including latest) are ARM64 runners
+            runs-on: macos-latest
+            archs: auto,universal2
 
     steps:
       - uses: actions/checkout@v4
         with:
           ref: ${{ github.event.inputs.branch }}
 
-      - name: Set up Python 3.12
-        uses: actions/setup-python@v5
-        with:
-          python-version: "3.12"
-
-      - name: Install cibuildwheel
-        run: python -m pip install cibuildwheel==2.23.2
-
       - name: Build wheels
-        run: python -m cibuildwheel --output-dir wheelhouse
+        uses: pypa/cibuildwheel@v2.23.2
+        env:
+          CIBW_PLATFORM: ${{ matrix.platform }}
+          CIBW_ARCHS: ${{ matrix.archs }}
 
       - uses: actions/upload-artifact@v4
         with:
+          name: cibw-wheels-${{ matrix.os }}-${{ strategy.job-index }}
           path: ./wheelhouse/*.whl
 
   build_sdist:
@@ -47,19 +59,12 @@ jobs:
         with:
           ref: ${{ github.event.inputs.branch }}
 
-      - name: Set up Python 3.12
-        uses: actions/setup-python@v5
-        with:
-          python-version: "3.12"
-      
-      - name: Install build
-        run: python -m pip install build
-
       - name: Build sdist
-        run: python -m build --sdist
+        run: pipx run build --sdist
 
       - uses: actions/upload-artifact@v4
         with:
+          name: cibw-sdist
           path: dist/*.tar.gz
 
   publish:
@@ -68,8 +73,10 @@ jobs:
     steps:
       - uses: actions/download-artifact@v4
         with:
-          name: artifact
+          # unpacks all CIBW artifacts into dist/
+          pattern: cibw-*
           path: dist
+          merge-multiple: true
       - name: Publish package to TestPyPI
         uses: pypa/gh-action-pypi-publish@release/v1
         with: