Test uploading and downloading artifacts to publish to PyPI.

.github/workflows/testing-pypi-upload.yml

@@ -0,0 +1,128 @@
+name: test-upload-to-pypi
+
+on:
+  push:
+
+env:
+  BUILD_TYPE: Release
+  MACOSX_DEPLOYMENT_TARGET: 10.15
+
+jobs:
+  wheels:
+    name: ${{ matrix.name }} ${{ matrix.py }} wheel
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [macos-13, ubuntu-20.04, windows-2019]
+        py: ['3.9']
+        include:
+          - name: 'Windows'
+            os: windows-2019
+          - name: 'Linux'
+            os: ubuntu-20.04
+          - name: 'macOS'
+            os: macos-13
+        exclude:
+          - os: macos-13
+            py: '3.7'
+          - os: ubuntu-20.04
+            py: '3.7'
+
+    steps:
+      - name: Check out libCellML
+        uses: actions/checkout@v4
+        with:
+          ref: ${{ github.event.release.tag_name }}
+
+      - name: Setup for cibuildwheel
+        id: setup
+        shell: bash
+        run: |
+          mkdir src/bindings/python/libcellml
+          cp src/bindings/python/README.rst src/bindings/python/libcellml/README.rst
+          mv src/bindings/python/cibuildwheel.setup.py src/bindings/python/setup.py
+          v=${{ matrix.py }}
+          echo "Setting tag as: tag=${GITHUB_REF#refs/tags/}"
+          echo "tag=${GITHUB_REF#refs/tags/}" >> $GITHUB_OUTPUT
+          echo "Setting build as: build=cp${v/./}-*"
+          echo "build=cp${v/./}-*" >> $GITHUB_OUTPUT
+          if [[ "macOS" == "${{ matrix.name }}" ]]; then
+            if [[ "${{ matrix.py }}" == "3.8" ]]; then
+              echo "Setting macos_archs as: macos_archs='x86_64'"
+              echo "macos_archs=x86_64" >> $GITHUB_OUTPUT
+              echo "macos_deployment_target=10.15" >> $GITHUB_OUTPUT
+            else
+              echo "Setting macos_archs as: macos_archs='x86_64 arm64'"
+              echo 'macos_archs=x86_64 arm64' >> $GITHUB_OUTPUT
+              echo "macos_deployment_target=11.0" >> $GITHUB_OUTPUT
+            fi
+          else
+            echo "Setting macos_archs as: macos_archs='x86_64'"
+            echo "macos_archs=x86_64" >> $GITHUB_OUTPUT
+          fi
+
+      - name: Configure MSVC (Windows)
+        if: runner.os == 'Windows'
+        uses: ilammy/msvc-dev-cmd@v1
+
+      - name: Install SWIG (macOS)
+        if: runner.os == 'macOS'
+        run: brew install swig
+
+      - name: Build wheels
+        uses: pypa/[email protected]
+        env:
+          #CIBW_BUILD_VERBOSITY: 1
+          CIBW_ARCHS: auto64
+          CIBW_ARCHS_MACOS: ${{ steps.setup.outputs.macos_archs }}
+          CIBW_BUILD: ${{ steps.setup.outputs.build }}
+          CIBW_TEST_SKIP: "*_arm64"
+          CIBW_BEFORE_ALL_LINUX: yum install -y libxml2-devel || (apk add libxml2-dev && rm /usr/lib/cmake/libxml2/libxml2-config.cmake)
+          CIBW_BEFORE_ALL_WINDOWS: cd src/bindings/python && cmake -S wheel_dependencies -B build-wheel_dependencies -G Ninja && cd build-wheel_dependencies && ninja
+          CIBW_ENVIRONMENT: >
+            LIBCELLML_VERSION_TAG=${{ steps.setup.outputs.tag }}
+            MACOSX_DEPLOYMENT_TARGET=${{ steps.setup.outputs.macos_deployment_target }}
+          CIBW_REPAIR_WHEEL_COMMAND_MACOS: ""
+          CIBW_BEFORE_BUILD_LINUX: pip install renamewheel
+          CIBW_REPAIR_WHEEL_COMMAND_LINUX: renamewheel -w {dest_dir} {wheel}
+        with:
+          output-dir: wheelhouse
+          package-dir: src/bindings/python/
+
+      - name: Upload Python wheels as artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          path: ./wheelhouse/*.whl
+          name: ${{ matrix.name }}-${{ matrix.py }}-wheel
+          retention-days: 7
+
+  publish-wheels:
+    # if: needs.setup-jobs.outputs.binaries-destination == 'Publish'
+    needs: wheels
+    runs-on: ubuntu-22.04
+    timeout-minutes: 5  # Docker+network are slow sometimes.
+    permissions:
+      id-token: write
+    name: Publish Wheels
+    steps:
+
+      - name: Download Python wheel artifacts
+        uses: actions/download-artifact@v4
+        with:
+          path: wheelhouse/
+          pattern: *-wheel
+          merge-multiple: true
+
+      - name: Display structure of downloaded files
+        run: |
+          ls -R
+          ls -R wheelhouse
+
+      - name: Publish Python wheels
+        env:
+          name: pypi
+          url: https://pypi.org/p/libcellml
+        uses: pypa/gh-action-pypi-publish@release/v1
+        with:
+          packages-dir: ./wheelhouse/