pypi_publish.yml

name: PyPI Publish

on:
  release:
    types: [published]
  push:
  pull_request:
  workflow_dispatch:

jobs:
  build-n-publish:
    # pull requests are a duplicate of a branch push if within the same repo.
    if: github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name != github.repository

    name: ${{ matrix.host-os }} / Python ${{ matrix.python-version }} / OpenMP ${{ matrix.openmp }}
    runs-on: ${{ matrix.host-os }}
    strategy:
      matrix:
        host-os: ["ubuntu-latest", "macos-latest", "windows-latest"]
        python-version: ["3.8", "3.9", "3.10", "3.11"]
        openmp: ["off"]
      fail-fast: false

    defaults:
      run:
        shell: bash -l {0}

    steps:
      - uses: actions/checkout@v3

      - name: Set OpenMP mode
        if: matrix.openmp == 'on'
        run: |
          export MODE="omp"
          echo "MODE=${MODE}" >> $GITHUB_ENV

      - name: Set MacOS Deployment Target
        if: runner.os == 'macOS'
        run: |
          export MACOSX_DEPLOYMENT_TARGET="10.15"
          echo "MACOSX_DEPLOYMENT_TARGET=${MACOSX_DEPLOYMENT_TARGET}" >> $GITHUB_ENV

      - uses: conda-incubator/setup-miniconda@v2
        with:
          activate-environment: testenv
          allow-softlinks: true
          auto-activate-base: false
          auto-update-conda: true
          channel-priority: flexible
          channels: conda-forge
          miniconda-version: "latest"
          python-version: ${{ matrix.python-version }}
          show-channel-urls: true
          use-only-tar-bz2: false

      - name: Set up Visual Studio shell
        if: runner.os == 'Windows'
        uses: egor-tensin/vs-shell@v2
        with:
          arch: x64

      - name: Install build requirements with conda
        if: runner.os != 'Linux'
        run: |
          set -vxeuo pipefail
          conda install -y cmake

      - name: Install OpenMP for macOS with conda
        if: runner.os == 'macOS' && matrix.openmp == 'on'
        run: |
          set -vxeuo pipefail
          conda install -y -c conda-forge llvm-openmp

      # NOTE: This step is not needed for fast tests.
      # - name: Install mpi4py for Unix with conda
      #   if: runner.os != 'Windows'
      #   run: |
      #     set -vxeuo pipefail
      #     conda install -y -c conda-forge mpi4py openmpi

      - name: Install cibuildwheel on Linux
        if: runner.os == 'Linux'
        run: |
          set -vxeuo pipefail
          python -m pip install --upgrade pip
          python -m pip install cibuildwheel
          echo "CIBW_BEFORE_ALL=pip install cmake" >> $GITHUB_ENV
          PYTH_VER=${{ matrix.python-version }}
          PYTH_VER=${PYTH_VER//.}
          echo "CIBW_BUILD="cp$PYTH_VER-manylinux*"" >> $GITHUB_ENV

      - name: Build wheel on Linux
        if: runner.os == 'Linux'
        run: |
          set -vxeuo pipefail
          python -VV
          python -m cibuildwheel --output-dir dist env/python
          ls -la dist/*

      - name: Build wheel on Windows/Mac
        if: runner.os != 'Linux'
        run: |
          set -vxeuo pipefail
          cd env/python
          python -VV
          python setup.py bdist_wheel
          ls -la dist/*
          mkdir -p ../../dist
          cp dist/*.whl ../../dist/

      - name: Publish wheels to GitHub artifacts
        uses: actions/upload-artifact@v3
        with:
          name: wheels
          path: dist/*

      - name: Install the package and test requirements
        run: |
          set -vxeuo pipefail
          pip install -v dist/*64.whl

          # Smoke import test:
          python -c "import srwpy; import srwpy.srwlpy"

          # Check CLI tools:
          srw-viewer --help

          python -m pip install -r env/python/requirements-dev.txt
          python -m pip list

      - name: Run fast tests
        run: |
          set -vxeuo pipefail
          cd env/python
          pytest -k fast

  publish-to-pypi:
    # Hints from:
    #   - https://github.com/pypa/gh-action-pypi-publish/discussions/28
    #   - https://github.com/Lightning-AI/lightning/blob/master/.github/workflows/release-pypi.yml
    if: github.event_name == 'release'
    name: Publish to PyPI
    needs: build-n-publish
    runs-on: ubuntu-latest
    permissions:
      id-token: write

    steps:
      - uses: actions/checkout@v3

      - name: Download wheels from GitHub artifacts
        uses: actions/download-artifact@v3
        with:
          name: wheels
          path: dist/

      - name: Publish wheels to PyPI
        uses: pypa/gh-action-pypi-publish@release/v1
        with:
          packages-dir: ./dist/