python-wheels-publish-test.yml

# SPDX-License-Identifier: BSD-3-Clause
# Copyright (c) Contributors to the OpenEXR Project.

name: Publish python distribution 📦 to TestPyPI

on:

  # Publish python wheels to test.pypi when a release candidate is tagged, 
  # e.g. v3.4.5-rc, v3.4.5-rc6, etc.

  push:
    tags:
      - v3.[0-9]+.[0-9]+-rc*
  workflow_dispatch:

permissions:
  contents: read

jobs:
  build:
    name: Python Wheels - ${{ matrix.os }} 
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ubuntu-latest, macos-latest, windows-latest]

    environment:
      name: testpypi
      url: https://test.pypi.org/p/openexr

    permissions:
      id-token: write
      
    steps:
      - name: Checkout
        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1

      - name: Install Python 
        uses: actions/setup-python@82c7e631bb3cdc910f68e0081d67478d79c6982d # v5.1.0
        with:
          python-version: '3.x'

      - name: Create sdist
        # Only create it once.
        if: ${{ matrix.os == 'ubuntu-latest' }}
        env:
          OPENEXR_RELEASE_CANDIDATE_TAG: ${{ github.ref_name }}
        run: pipx run build --sdist . --outdir wheelhouse

      - name: Build wheel
        uses: pypa/cibuildwheel@ba8be0d98853f5744f24e7f902c8adef7ae2e7f3 # v2.18.1
        with:
          output-dir: wheelhouse
        env:
          CIBW_ARCHS_LINUX: x86_64 
          CIBW_ARCHS_MACOS: x86_64 arm64 universal2
          # Skip python 3.6 since scikit-build-core requires 3.7+
          # Skip 32-bit wheels builds on Windows
          # Also skip the PyPy builds, since they fail the unit tests
          CIBW_SKIP: cp36-* *-win32 *_i686 pp* 
          CIBW_TEST_SKIP: "*-macosx_universal2:arm64"
          CIBW_ENVIRONMENT: OPENEXR_RELEASE_CANDIDATE_TAG="${{ github.ref_name }}"

      - name: Upload artifact
        uses: actions/upload-artifact@65462800fd760344b1a7b4382951275a0abb4808 # v4.3.3
        with:
          name: wheels-${{ matrix.os }}
          path: |
            ./wheelhouse/*.whl
            ./wheelhouse/*.tar.gz
  
  publish-to-testpypi:
    name: Publish Python 🐍 distribution 📦 to TestPyPI
    needs:
    - build
    runs-on: ubuntu-latest

    environment:
      name: testpypi
      url: https://test.pypi.org/p/openexr

    permissions:
      id-token: write

    steps:
    - name: Download Linux artifacts
      uses: actions/download-artifact@65a9edc5881444af0b9093a5e628f2fe47ea3b2e # v4.1.7
      with:
        name: wheels-ubuntu-latest
        path: dist
    - name: Download macOS artifacts
      uses: actions/download-artifact@65a9edc5881444af0b9093a5e628f2fe47ea3b2e # v4.1.7
      with:
        name: wheels-macos-latest
        path: dist
    - name: Download Windows artifacts
      uses: actions/download-artifact@65a9edc5881444af0b9093a5e628f2fe47ea3b2e # v4.1.7
      with:
        name: wheels-windows-latest
        path: dist
    - name: Publish distribution 📦 to TestPyPI
      uses: pypa/gh-action-pypi-publish@81e9d935c883d0b210363ab89cf05f3894778450 # release/v1
      with:
        repository-url: https://test.pypi.org/legacy/