publish-to-pypi.yml

# adapted from https://packaging.python.org/guides/publishing-package-distribution-releases-using-github-actions-ci-cd-workflows/

name: Publish Python distributions to PyPI

on:
  push:
    branches:
    - long_lived/**
    - main
    - release/**
    tags:
    - '**'
  pull_request:
    branches:
    - '**'

permissions:
  contents: read
  id-token: write

jobs:
  build-n-publish:
    name: Build and publish Python distributions to PyPI
    runs-on: ubuntu-20.04

    steps:
    - uses: actions/checkout@v4
      with:
        fetch-depth: 0

    - run: |
        git fetch origin +refs/tags/*:refs/tags/*

    - name: Set up Python 3.8
      uses: actions/setup-python@v5
      with:
        python-version: 3.8

    - name: Install pep517
      run: >-
        python -m
        pip install
        pep517
        --user

    - name: Build a binary wheel and a source tarball
      run: >-
        python -m
        pep517.build
        --binary
        --out-dir dist/
        .

    - name: Upload artifacts
      uses: actions/upload-artifact@v3
      with:
        name: dist
        path: ./dist

    - name: Publish distribution to PyPI
      if: startsWith(github.event.ref, 'refs/tags')
      uses: pypa/gh-action-pypi-publish@release/v1
      with:
        packages-dir: dist/
        skip-existing: true