quant.cpp/.github/workflows/publish.yml at 7b098511c66ea1f7528e4bf380b875bb2540d271 · quantumaikr/quant.cpp · GitHub

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name: Publish quantcpp to PyPI

on:
  push:
    tags:
      - 'v*'
      - 'pypi-v*'
  workflow_dispatch:
    inputs:
      target:
        description: 'Where to publish'
        required: true
        default: 'testpypi'
        type: choice
        options:
          - testpypi
          - pypi

jobs:
  # ---------------------------------------------------------------------
  # Build platform-specific wheels via cibuildwheel
  # ---------------------------------------------------------------------
  build_wheels:
    name: Wheels on ${{ matrix.os }} (${{ matrix.arch }})
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        include:
          - os: ubuntu-latest
            arch: x86_64
          - os: ubuntu-24.04-arm   # Native ARM runner (free, no QEMU)
            arch: aarch64
          - os: macos-14           # Apple Silicon (M-series). Intel macs deferred.
            arch: arm64
          # Windows mingw64 wheel is deferred — quant.h's clock_gettime shim
          # conflicts with mingw's native one. Windows users install via sdist
          # with MSVC for now. Tracked for v0.8.x.

    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      # cibuildwheel mounts only the package-dir into Linux build containers,
      # so quant.h must already live inside bindings/python/ before invoke.
      # We stage it as bindings/python/quant.h (NOT inside quantcpp/, which
      # is .gitignore'd and would be excluded by isolated source copies).
      - name: Bundle quant.h into package
        shell: bash
        run: cp quant.h bindings/python/quant.h

      - name: Build wheels
        uses: pypa/cibuildwheel@v2.21.3
        with:
          package-dir: bindings/python
          output-dir: wheelhouse
        env:
          CIBW_ARCHS: ${{ matrix.arch }}

      - name: Upload wheels
        uses: actions/upload-artifact@v4
        with:
          name: wheels-${{ matrix.os }}-${{ matrix.arch }}
          path: ./wheelhouse/*.whl
          if-no-files-found: error

  # ---------------------------------------------------------------------
  # Build the source distribution
  # ---------------------------------------------------------------------
  build_sdist:
    name: Source distribution
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - uses: actions/setup-python@v5
        with:
          python-version: '3.11'

      - name: Bundle quant.h into package
        shell: bash
        run: cp quant.h bindings/python/quant.h

      - name: Build sdist
        run: |
          cd bindings/python
          python -m pip install --upgrade pip build
          python -m build --sdist

      - name: Smoke-test sdist install (clean venv)
        run: |
          python -m venv /tmp/sdist-test
          /tmp/sdist-test/bin/pip install bindings/python/dist/quantcpp-*.tar.gz
          cd /tmp
          /tmp/sdist-test/bin/python -c "import quantcpp; from quantcpp._binding import get_lib; print('sdist OK:', quantcpp.__version__, get_lib().quant_version().decode())"

      - uses: actions/upload-artifact@v4
        with:
          name: sdist
          path: bindings/python/dist/*.tar.gz
          if-no-files-found: error

  # ---------------------------------------------------------------------
  # Publish — Trusted Publishing (OIDC), no API token needed
  # ---------------------------------------------------------------------
  publish_testpypi:
    name: Publish to TestPyPI
    needs: [build_wheels, build_sdist]
    runs-on: ubuntu-latest
    if: github.event_name == 'workflow_dispatch' && github.event.inputs.target == 'testpypi'
    environment:
      name: testpypi
      url: https://test.pypi.org/p/quantcpp
    permissions:
      id-token: write
    steps:
      - uses: actions/download-artifact@v4
        with:
          path: dist
          merge-multiple: true
      - name: List artifacts
        run: ls -la dist/
      - uses: pypa/gh-action-pypi-publish@release/v1
        with:
          repository-url: https://test.pypi.org/legacy/
          skip-existing: true

  publish_pypi:
    name: Publish to PyPI
    needs: [build_wheels, build_sdist]
    runs-on: ubuntu-latest
    # Auto-publish on tag push, OR manual dispatch with target=pypi
    if: |
      startsWith(github.ref, 'refs/tags/') ||
      (github.event_name == 'workflow_dispatch' && github.event.inputs.target == 'pypi')
    environment:
      name: pypi
      url: https://pypi.org/p/quantcpp
    permissions:
      id-token: write
    steps:
      - uses: actions/download-artifact@v4
        with:
          path: dist
          merge-multiple: true
      - name: List artifacts
        run: ls -la dist/
      - uses: pypa/gh-action-pypi-publish@release/v1