python-package.yaml

name: Publish Python package

on:
  release:
    types: [released, prereleased]
  workflow_dispatch:
    inputs:
      commit:
        description: "Commit to build from"
        required: true
        default: "main"

jobs:
  build-pypi-dists:
    name: Build Python package

    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v4
        with:
          ref: ${{ github.event.inputs.commit }}
          # Versioneer only generates correct versions with a full fetch
          fetch-depth: 0
          persist-credentials: false

      - name: Set up Python 3.8
        uses: actions/setup-python@v5
        with:
          python-version: "3.8"
          cache: "pip"
          cache-dependency-path: "requirements*.txt"

      - uses: actions/setup-node@v4
        with:
          node-version-file: ".nvmrc"
          cache-dependency-path: "**/package-lock.json"

      - name: Install python packages
        run: |
          python -m pip install --upgrade pip
          pip install --upgrade --upgrade-strategy eager -e .[dev]

      - name: Build UI
        run: |
          prefect dev build-ui

      - name: Download current worker metadata
        run: |
          curl -o src/prefect/server/api/collections_data/views/aggregate-worker-metadata.json https://raw.githubusercontent.com/PrefectHQ/prefect-collection-registry/main/views/aggregate-worker-metadata.json

      - name: Build a binary wheel and a source tarball
        run: |
          python setup.py sdist bdist_wheel

      - name: Publish build artifacts
        uses: actions/upload-artifact@v4
        with:
          name: pypi-dists
          path: "./dist"

  publish-pypi-dists:
    name: Publish to PyPI
    environment: "prod"
    needs: [build-pypi-dists]
    runs-on: ubuntu-latest

    steps:
      - name: Download build artifacts
        uses: actions/download-artifact@v4
        with:
          name: pypi-dists
          path: "./dist"

      - name: Publish distribution to PyPI
        uses: pypa/gh-action-pypi-publish@release/v1
        with:
          password: ${{ secrets.PYPI_API_TOKEN }}
          name: ci