wheels.yml

name: Build CI Wheels

on:
  push:
    branches:
      - main
    tags:
      - 'v*'
  pull_request:
    paths:
      - '.github/workflows/wheels.yml'
  workflow_dispatch:

env:
  CIBW_TEST_REQUIRES: pytest
  CIBW_TEST_COMMAND: "pytest {project}/tests"

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

jobs:
  build_wheels:
    name: Build wheels on ${{ matrix.os }}
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [
          ubuntu-20.04,
          windows-2019,
          macos-11,
        ]
      fail-fast: false

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

      - name: Install python
        uses: actions/setup-python@v5

      - name: Fetch all history for all tags and branches
        run: |
           git fetch --prune --unshallow

      - name: Build wheels for CPython
        uses: pypa/cibuildwheel@v2.18.0
        with:
          output-dir: dist
        env:
          CIBW_BUILD: "cp39-* cp310-* cp311-* cp312*"
          CIBW_SKIP: "*-musllinux_*"  #  numpy doesn't have wheels for musllinux so we can't build some quickly and without bloating
          CIBW_ARCHS_LINUX: "x86_64"
          CIBW_ARCHS_MACOS: x86_64 arm64
          MACOSX_DEPLOYMENT_TARGET: "10.9" # as of CIBW 2.9, this is the default value, pin it so it can't be bumped silently
          CIBW_ARCHS_WINDOWS: "auto64"
          CIBW_BUILD_VERBOSITY: 1
          CIBW_ENVIRONMENT: PIP_ONLY_BINARY=":all:"

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

  build_sdist:
    name: Build source distribution
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repo
        uses: actions/checkout@v4

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

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

  deploy:
    name: Publish to PyPI
    needs: [build_wheels, build_sdist]
    runs-on: ubuntu-latest
    # upload to PyPI on every tag starting with 'v-'
    if: github.event_name == 'push' && startsWith(github.event.ref, 'refs/tags/v')
    steps:
      - name: Download sdist
        uses: actions/download-artifact@v4
        with:
          name: sdist
          path: dist

      - name: Download wheels
        uses: actions/download-artifact@v4
        with:
          pattern: wheels-*
          path: dist
          merge-multiple: true

      - name: Publish to PyPI
        uses: pypa/gh-action-pypi-publish@v1.8.14
        with:
          user: __token__
          password: ${{ secrets.PYPI_TOKEN }}