workflows: build wheels on Linux and macOS

The convert module doesn't use any libc APIs, so we can build on any Linux and auditwheel will tag it as the oldest manylinux. Signed-off-by: Benjamin Gilbert <[email protected]>
bgilbert · Nov 1, 2023 · 7e214a0 · 7e214a0
1 parent 40e7604
commit 7e214a0
Showing 1 changed file with 47 additions and 5 deletions.
diff --git a/.github/workflows/python.yml b/.github/workflows/python.yml
@@ -31,17 +31,36 @@ jobs:
       matrix:
         os: [ubuntu-latest, macos-latest]
         python-version: [3.8, 3.9, "3.10", "3.11", "3.12"]
+        # setup-python's Python < 3.11 won't build universal binaries
+        # https://github.com/actions/setup-python/issues/439#issuecomment-1247646682
+        include:
+          - os: macos-latest
+            python-version: "3.8"
+            brew-python: true
+          - os: macos-latest
+            python-version: "3.9"
+            brew-python: true
+          - os: macos-latest
+            python-version: "3.10"
+            brew-python: true
     steps:
     - name: Check out repo
       uses: actions/checkout@v4
     - name: Set up Python ${{ matrix.python-version }}
+      if: "! matrix.brew-python"
       uses: actions/setup-python@v4
       with:
         python-version: ${{ matrix.python-version }}
+    - name: Set up Python ${{ matrix.python-version }} (macOS fallback)
+      if: matrix.brew-python
+      run: |
+        brew install python@${{matrix.python-version}}
+        python3 -V
+        pip3 -V
     - name: Install Python tools
       run: |
-        python -m pip install --upgrade pip
-        pip install build jinja2 pytest
+        python3 -m pip install --upgrade pip
+        pip3 install auditwheel build jinja2 pytest setuptools
     - name: Install OpenSlide
       run: |
         case "${{ matrix.os }}" in
@@ -53,13 +72,36 @@ jobs:
           ;;
         esac
     - name: Build wheel
-      run: python -m build -w
+      run: |
+        python3 -m build -w
+        case "${{ matrix.os }}" in
+        ubuntu-*)
+            mv dist old
+            auditwheel repair --only-plat -w dist old/*whl
+            ;;
+        macos-*)
+            if [ ! -e dist/*universal2* ]; then
+                echo "Wheel is not universal:"
+                ls dist
+                exit 1
+            fi
+            ;;
+        esac
+        basename=openslide-python-wheels-$GITHUB_RUN_NUMBER-$(echo $GITHUB_SHA | cut -c-10)
+        mkdir -p "artifacts/${basename}"
+        mv dist/*.whl "artifacts/${basename}"
+        echo "basename=${basename}" >> $GITHUB_ENV
     - name: Install
-      run: pip install dist/*.whl
+      run: pip3 install artifacts/${basename}/*.whl
     - name: Run tests
       run: pytest -v
     - name: Tile slide
-      run: python examples/deepzoom/deepzoom_tile.py --viewer -o tiled tests/fixtures/small.svs
+      run: python3 examples/deepzoom/deepzoom_tile.py --viewer -o tiled tests/fixtures/small.svs
+    - name: Archive wheel
+      uses: actions/upload-artifact@v3
+      with:
+        name: ${{ env.basename }}
+        path: artifacts
   windows:
     name: Windows
     needs: pre-commit