cibuildwheels.yml

name: Python wheels
on:
  # Trigger the workflow on push or pull request,
  # but only for the main branch
  push:
    tags:
      - '*'
  pull_request:
    branches:
      - main

env:
  CIBW_BUILD_VERBOSITY: 1
  # Skip aarch64 for now, as it is emulated on GitHub Actions and takes too long
  CIBW_TEST_SKIP: "*linux*aarch64*"

jobs:

  build_wheels:
    name: Build wheels on ${{ matrix.os }} for ${{ matrix.arch }} - ${{ matrix.p_ver }}
    runs-on: ${{ matrix.os }}
    permissions:
      contents: write
    env:
      CIBW_BUILD: ${{ matrix.cibw_build }}
      CIBW_ARCHS_LINUX: ${{ matrix.arch }}
      CIBW_ARCHS_MACOS: "x86_64 arm64"
    strategy:
      matrix:
        os: [ubuntu-latest, windows-latest, macos-latest]
        arch: [x86_64, aarch64]
        # Just build for x86_64 for now (Mac arm64 is already covered by cibuildwheel)
        # arch: [x86_64]
        cibw_build: ["cp3{11,12,13}-*"]
        p_ver: ["3.11-3.13"]
        exclude:
          - os: windows-latest
            arch: aarch64
          # cibuild is already in charge to build aarch64 (see CIBW_ARCHS_MACOS)
          - os: macos-latest
            arch: aarch64

    steps:
      - name: Checkout repo
        uses: actions/checkout@v4

      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          # Use the most recent released python
          python-version: '3.x'

      - name: Set up QEMU
        if: ${{ matrix.arch == 'aarch64' }}
        uses: docker/setup-qemu-action@v3

      - name: Install Ninja
        id: ninja
        uses: turtlesec-no/get-ninja@main

      - name: Install MSVC amd64
        uses: ilammy/msvc-dev-cmd@v1
        with:
          arch: amd64

      - name: Build wheels
        uses: pypa/cibuildwheel@v2.22

      - name: Upload wheels
        uses: actions/upload-artifact@v4
        with:
          name: wheels-${{ matrix.os }}-${{ matrix.arch }}-${{ matrix.p_ver }}
          path: ./wheelhouse/*.whl


  build_sdist:
    name: Build sdist
    runs-on: ubuntu-latest
    strategy:
      matrix:
        python-version: [3.12]
        os: [ubuntu-latest]
        arch: [auto]
        exclude:
          - os: [ubuntu-latest]
            # We don't support 32-bit platforms in python-blosc2
            arch: x86

    steps:
      - uses: actions/checkout@v4

      - uses: actions/setup-python@v5
        name: Setup Python ${{ matrix.python-version }}
        with:
          python-version: ${{ matrix.python-version }}

      - name: Build sdist
        run: pipx run build --sdist

      - name: Upload sdist package
        uses: actions/upload-artifact@v4
        with:
          name: wheels-source
          path: dist/*.tar.gz

      - name: Build building extension from sdist package
        run: |
          cd ./dist
          tar -xzf blosc2-*.tar.gz
          cd ./blosc2-*/
          pip install pip --upgrade
          pip install --break-system-packages -e .[test]

      - name: Test sdist package with pytest
        run: |
          cd ./dist/blosc2-*/
          pytest

  upload_pypi:
    needs: [ build_wheels, build_sdist ]  # last but not least
    runs-on: ubuntu-latest
    # Only upload wheels when tagging (typically a release)
    if: startsWith(github.event.ref, 'refs/tags')
    steps:
      - uses: actions/download-artifact@v4
        with:
          pattern: wheels-*   # Download the wheels artifact
          merge-multiple: true  # Merge all the wheels artifacts into one directory

      - uses: pypa/gh-action-pypi-publish@release/v1
        with:
          user: __token__
          password: ${{ secrets.blosc_pypi_secret }}