CI: Add workflow to build wheels and publish to PyPI

.github/workflows/build_publish.yml

@@ -0,0 +1,76 @@
+name: Build/publish package
+
+on: push
+
+jobs:
+  build_wheels:
+    strategy:
+      matrix:
+        os: [ubuntu-latest, windows-latest, macos-latest]
+    runs-on: ${{ matrix.os }}
+    name: Build wheels on ${{ matrix.os }}
+
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v4
+
+    - name: Set up QEMU
+      if: runner.os == 'Linux'
+      uses: docker/setup-qemu-action@v3
+      with:
+        platforms: arm64
+
+    - name: Setup uv
+      id: setup-uv
+      uses: astral-sh/setup-uv@v3
+
+    - name: Print the installed version
+      run: echo "Installed uv version is ${{ steps.setup-uv.outputs.uv-version }}"
+
+    - name: Set up Python 3.12 and install dependencies
+      run: |
+        uv python install 3.12
+        uv sync --python 3.12 --extra test --extra build --frozen
+
+    - name: Build
+      uses: pypa/[email protected]
+      env:
+        CIBW_ARCHS_LINUX: auto aarch64
+        CIBW_ARCHS_MACOS: x86_64 arm64
+
+    - name: Upload Wheels
+      uses: actions/upload-artifact@v3
+      with:
+        name: dist
+        path: wheelhouse
+
+  make_sdist:
+    name: Make SDist
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Build SDist
+      run: pipx run build --sdist
+
+    - uses: actions/upload-artifact@v3
+      with:
+        path: dist/*.tar.gz
+
+  publish-to-pypi:
+    if: startsWith(github.ref, 'refs/tags/')  # only publish to PyPI on tag pushes
+    needs: [build_wheels, make_sdist]
+    runs-on: ubuntu-latest
+    environment:
+      name: release
+      url: https://pypi.org/p/sdf-xarray
+    permissions:
+      id-token: write  # IMPORTANT: mandatory for trusted publishing
+    steps:
+      - name: Download distribution packages
+        uses: actions/download-artifact@v4
+        with:
+          name: python-package-distributions
+          path: dist/
+      - name: Publish to PyPI
+        uses: pypa/gh-action-pypi-publish@release/v1

pyproject.toml

@@ -50,4 +50,5 @@ sdist.include = ["src/sdf_xarray/_version.py"]
 write_to = "src/sdf_xarray/_version.py"
 
 [tool.cibuildwheel]
+build-frontend = "build[uv]"
 skip = ["*-win32", "*-manylinux_i686", "pp*", "*musllinux*"]