distribute_package.yml

name: create PyGOM distributions

on:
  push:
    branches:
      - master
      - dev
      - feature/*
      - bugfix/*

  pull_request:
    branches:
      - master
      - dev

jobs:
  build_wheels:
    name: Build wheels on ${{ matrix.platform_id }} for Python v${{ matrix.python[1] }}
    runs-on: ${{ matrix.os }}
    strategy:
      # Ensure that a wheel builder finishes even if another fails
      fail-fast: false
      matrix:
        include:
          # Window 64 bit
          - os: windows-latest
            python: [cp39, "3.9"]
            platform_id: win_amd64
          - os: windows-latest
            python: [cp310, "3.10"]
            platform_id: win_amd64
          - os: windows-latest
            python: [cp311, "3.11"]
            platform_id: win_amd64
          - os: windows-latest
            python: [cp312, "3.12"]
            platform_id: win_amd64

          # Python 3.9 in the manylinux build environment requires our dependencies to be
          # built from source so we won't supply a wheel for 3.9 (source build will prevent lib
          # version conflicts).

          # NumPy on Python 3.10 only supports 64bit and is only available with manylinux2014
          - os: ubuntu-latest
            python: [cp310, "3.10"]
            platform_id: manylinux_x86_64
            manylinux_image: manylinux2014
          - os: ubuntu-latest
            python: [cp311, "3.11"]
            platform_id: manylinux_x86_64
            manylinux_image: manylinux2014
          - os: ubuntu-latest
            python: [cp312, "3.12"]
            platform_id: manylinux_x86_64
            manylinux_image: manylinux2014

    steps:
      - uses: actions/checkout@v4
        with:
          # We need quite a deep fetch so that we get the versioning right 
          fetch-depth: 500
          fetch-tags: true

      - name: Install dependencies
        run: |
          python -m pip install --upgrade pip
          pip install -r requirements.txt

      # Used to host cibuildwheel
      - uses: actions/setup-python@v5
        with:
          python-version: ${{ matrix.python[1] }}

      - name: Install cibuildwheel
        run: python -m pip install cibuildwheel>=2.19.2

      - name: Build and test the wheels
        run: python -m cibuildwheel --output-dir wheelhouse
        env:
          CIBW_BUILD: ${{ matrix.python[0] }}-${{ matrix.platform_id }}*
          CIBW_TEST_COMMAND: python -W default -m unittest discover --start-directory {project}/tests
          # setuptools_scm workaround for https://github.com/pypa/setuptools_scm/issues/455
          CIBW_BEFORE_BUILD: ${{ github.ref == 'refs/heads/dev' &&  'echo ''local_scheme = "no-local-version"'' >> pyproject.toml && git diff --color=always && git update-index --assume-unchanged pyproject.toml' || '' }}
          
      # Upload the results
      - uses: actions/upload-artifact@v4
        with:
          name: cibw-wheels-${{ matrix.platform_id }}-${{ matrix.python[0] }}
          path: ./wheelhouse/*.whl

  build_sdist:
    name: Build source distribution
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          # We need quite a deep fetch so that we get the versioning right 
          fetch-depth: 500
          fetch-tags: true

      # setuptools_scm workaround for https://github.com/pypa/setuptools_scm/issues/455
      - name: Disable local version identifier on develop CI
        if: github.ref == 'refs/heads/dev'
        run: |
          echo 'local_scheme = "no-local-version"' >> pyproject.toml
          git diff --color=always
          git update-index --assume-unchanged pyproject.toml

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

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

  upload_pypi:
    name: Upload release to PyPI
    needs: [build_wheels, build_sdist]
    runs-on: ubuntu-latest
    environment: 
      name: pypi
    permissions:
      id-token: write
    steps:
      - uses: actions/download-artifact@v4
        with:
          # unpacks all CIBW artifacts into dist/
          pattern: cibw-*
          path: dist
          merge-multiple: true
      
      # This is the live push to PyPI on tagging the master branch
      - uses: pypa/gh-action-pypi-publish@release/v1
        # Upload to PyPI on every tag starting with 'v' 
        if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags/v')
        with:
          repository-url: https://pypi.org/p/pygom

      # Upload to PyPI *testing* every dev branch commit 
      - uses: pypa/gh-action-pypi-publish@release/v1
        # Upload to testing only if we are on the dev branch
        if: github.ref == 'refs/heads/dev'
        with:
          # Testing only at this point
          repository-url: https://test.pypi.org/legacy/