release-python.yml

name: Python Wheels

on:
  push:
    branches: ["main"]
    tags:
      - "**"
  pull_request:
  workflow_dispatch:

concurrency:
  group: wheels-${{ github.ref }}
  cancel-in-progress: true

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

jobs:

  build_dist:
    name: Build Distribution Files
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0
          persist-credentials: false

      - uses: actions/setup-python@v5
        with:
          # Build sdist on lowest supported Python
          python-version: '3.9'

      - name: Install build
        run: |
          python -m pip install build

      - name: build the dist files
        run: | 
          python -m build .

      - name: Upload the dist files
        uses: actions/upload-artifact@v4
        with:
          name: dist-${{ github.run_id }}
          path: ./dist/*.*

  publish:
    # https://packaging.python.org/en/latest/guides/publishing-package-distribution-releases-using-github-actions-ci-cd-workflows/#publishing-the-distribution-to-pypi
    needs: [build_dist]
    if: startsWith(github.ref, 'refs/tags/')
    runs-on: ubuntu-latest
    environment: release
    permissions:
      id-token: write
    steps:
    - name: Download the dists
      uses: actions/download-artifact@v4
      with:
        name: dist-${{ github.run_id }}
        path: dist/
    - name: Publish distribution 📦 to PyPI
      uses: pypa/gh-action-pypi-publish@release/v1
      with:
        repository-url: https://test.pypi.org/legacy/