publish-pypi.yaml

# Copyright 2024 ETH Zurich and University of Bologna.
# Licensed under the Apache License, Version 2.0, see LICENSE for details.
# SPDX-License-Identifier: Apache-2.0

name: Build and publish Python package to PyPI

on:
  workflow_dispatch:
  pull_request:
  push:
    branches:
      - main
    tags:
      - '*'

jobs:
  build-sdist:
    name: Build source distribution
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v4
        with:
          submodules: recursive

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

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

  build-wheels:
    name: Build wheels on ${{ matrix.os }}
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        # macos-13 is an intel runner, macos-14 is apple silicon
        os: [ubuntu-latest, windows-latest, macos-13, macos-14]

    steps:
      - uses: actions/checkout@v4
        with:
          submodules: recursive

      - name: Build wheels
        uses: pypa/cibuildwheel@v2.17.0

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

  publish:
    name: Publish to PyPI
    if: startsWith(github.ref, 'refs/tags/')
    needs: [build-sdist, build-wheels]
    runs-on: ubuntu-latest
    permissions:
      id-token: write

    steps:
    - uses: actions/download-artifact@v4
      with:
        merge-multiple: true

    - uses: pypa/gh-action-pypi-publish@release/v1