GitHub workflow for deploying a Python package to PyPI. The package can contain a CMake build step. Wheels are built for Linux, MacOS, and Windows, for Python versions 3.6-3.8. You must first create a GitHub secret called 'pypi_password' containing your PyPI API key.

pypi_deployment_workflow.yml

name: CI

on: [push]

jobs:
  nonlinux-build:
    strategy:
      fail-fast: false
      matrix:
        os: [macOS-latest, windows-latest]
        python-version: [3.6, 3.7, 3.8]
    runs-on: ${{ matrix.os }}
    name: ${{ matrix.os }} ${{ matrix.python-version }}
    steps:
      - name: Checkout
        uses: actions/checkout@master
      - name: Setup Python
        uses: actions/setup-python@v1
        with:
          python-version: ${{ matrix.python-version }}
          architecture: x64
      - name: Install Dependencies
        run: |
          python -m pip install setuptools wheel scikit-build
          python setup.py sdist bdist_wheel
      - name: Publish to PyPI
        if: github.event_name == 'push' && startsWith(github.event.ref, 'refs/tags')
        run: |
          python -m pip install twine
          python -m twine upload --skip-existing -u __token__ -p ${{ secrets.pypi_password }} dist/*

  linux-build:
    strategy:
      fail-fast: false
      matrix:
        python-version: [cp36-cp36m, cp37-cp37m, cp38-cp38]
    runs-on: ubuntu-latest
    name: manylinux ${{ matrix.python-version }}
    container: quay.io/pypa/manylinux2010_x86_64
    steps:
      - name: Checkout
        uses: actions/checkout@master
      - name: Install Dependencies
        run: |
          /opt/python/${{ matrix.python-version }}/bin/pip install setuptools wheel scikit-build cmake
          export PATH="/opt/python/${{ matrix.python-version }}/bin:$PATH"
          /opt/python/${{ matrix.python-version }}/bin/python setup.py bdist_wheel
          auditwheel repair dist/*whl -w dist_audited
      - name: Publish to PyPI
        if: github.event_name == 'push' && startsWith(github.event.ref, 'refs/tags')
        run: |
          /opt/python/${{ matrix.python-version }}/bin/pip install twine
          /opt/python/${{ matrix.python-version }}/bin/python -m twine upload --skip-existing -u __token__ -p ${{ secrets.pypi_password }} dist_audited/*