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 testing on aarch64 for now, as it is emulated on GitHub Actions and takes too long
  # Now that github provides native arm64 runners, we can enable tests again
  # CIBW_TEST_SKIP: "*linux*aarch64*"
  # Skip PyPy wheels for now (numexpr needs some adjustments first)
  # musllinux takes too long to build, and it's not worth it for now
  CIBW_SKIP: "pp* *musllinux* *-win32"

jobs:

  build_wheels:
    name: Build wheels on ${{ matrix.os }} for ${{ matrix.arch }}
    runs-on: ${{ matrix.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:
      fail-fast: false
      matrix:
        include:
          # Linux x86_64 builds
          - os: ubuntu-latest
            arch: x86_64
            cibw_pattern: "cp3{11,12,13}-manylinux*"
            artifact_name: "linux-x86_64"

          # Linux ARM64 builds (native runners)
          - os: ubuntu-24.04-arm
            arch: aarch64
            cibw_pattern: "cp3{11,12,13}-manylinux*"
            artifact_name: "linux-aarch64"
            # Don't use native runners for now (looks like wait times are too long)
            #runs-on: ["ubuntu-latest", "arm64"]

          # Windows builds
          - os: windows-latest
            arch: x86_64
            cibw_pattern: "cp3{11,12,13}-win64"
            artifact_name: "windows-x86_64"

          # macOS builds (universal2)
          - os: macos-latest
            arch: x86_64
            cibw_pattern: "cp3{11,12,13}-macosx*"
            artifact_name: "macos-universal2"
    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'

      # For some reason, this is still needed, even when using new arm64 runners
#      - 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@v2.23

      - name: Make sdist
        if: ${{ matrix.os == 'ubuntu-latest' }}
        run: |
          python -m pip install build
          python -m build --sdist --outdir wheelhouse .

      - name: Build building extension from sdist package
        if: ${{ matrix.os == 'ubuntu-latest' }}
        run: |
          cd ./wheelhouse
          tar -xzf blosc2-*.tar.gz
          cd ./blosc2-*/
          python -m venv sdist_test_env
          source sdist_test_env/bin/activate
          pip install pip --upgrade
          pip install --break-system-packages -e .[test]

      - name: Test sdist package with pytest
        if: ${{ matrix.os == 'ubuntu-latest' }}
        timeout-minutes: 10
        run: |
          cd ./wheelhouse/blosc2-*/
          source sdist_test_env/bin/activate
          python -m pytest tests/test_open.py tests/test_vlmeta.py tests/ndarray/test_evaluate.py

      - uses: actions/upload-artifact@v4
        with:
          name: ${{ matrix.artifact_name }}
          path: |
            ./wheelhouse/*.whl
            ./wheelhouse/*.tar.gz


  upload_pypi:
    needs: [ build_wheels]
    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:
          path: ./wheelhouse
          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 }}
          packages-dir: wheelhouse/