publish.yml

name: Build and publish Python 🐍 distribution 📦 to PyPI and GH

on:
  push:
    branches:
      - main
    tags:
      - 'v[0-9].[0-9]+.[0-9]+'

jobs:

  build:
    name: Build Python 🐍 distribution 📦
    runs-on: ubuntu-latest

    steps:
    - uses: actions/checkout@v4
    - name: Set up Python 3.12
      uses: actions/setup-python@v4
      with:
        python-version: 3.12
    - name: Install pypa/build
      run: python -m pip install --user build
    - name: Build a binary wheel and a source tarball
      run: python -m build
    - name: Store the distribution packages
      uses: actions/upload-artifact@v3
      with:
        name: python-package-distributions
        path: dist/

  publish:
    name: Publish Python 🐍 distributions 📦 to PyPI
    runs-on: ubuntu-latest
    needs:
    - build
    if: startsWith(github.ref, 'refs/tags')

    environment:
      name: pypi
      url: https://pypi.org/p/pegen
    permissions:
      id-token: write

    steps:
    - name: Download all the dists
      uses: actions/download-artifact@v3
      with:
        name: python-package-distributions
        path: dist/
    - name: Publish distribution 📦 to PyPI
      uses: pypa/gh-action-pypi-publish@release/v1

  github-release:
    name: >-
      Sign the Python 🐍 distribution 📦 with Sigstore
      and create a GitHub Release
    runs-on: ubuntu-latest
    needs:
    - publish

    permissions:
      contents: write
      id-token: write

    steps:
    - name: Download all the dists
      uses: actions/download-artifact@v3
      with:
        name: python-package-distributions
        path: dist/
    - name: Sign the dists with Sigstore
      uses: sigstore/gh-action-sigstore-python@v1.2.3
      with:
        inputs: >-
          ./dist/*.tar.gz
          ./dist/*.whl
    - name: Create GitHub Release
      env:
        GITHUB_TOKEN: ${{ github.token }}
      run: >-
        gh release create
        '${{ github.ref_name }}'
        --repo '${{ github.repository }}'
        --generate-notes
    - name: Upload artifact signatures to GitHub Release
      env:
        GITHUB_TOKEN: ${{ github.token }}
      run: >-
        gh release upload
        '${{ github.ref_name }}' dist/**
        --repo '${{ github.repository }}'