open-terminal/.github/workflows/pypi.yml

name: Publish to PyPI

on:
  push:
    branches: [main]
  workflow_dispatch:

concurrency:
  group: pypi-${{ github.ref }}
  cancel-in-progress: false

permissions:
  contents: read

jobs:
  build:
    if: github.ref == 'refs/heads/main'
    runs-on: ubuntu-latest
    outputs:
      publish_needed: ${{ steps.check.outputs.publish_needed }}
    steps:
      - uses: actions/checkout@v4

      - uses: actions/setup-python@v5
        with:
          python-version: "3.12"

      - name: Check if version already on PyPI
        id: check
        run: |
          python - <<'PY'
          import os
          import tomllib
          import urllib.error
          import urllib.request

          with open("pyproject.toml", "rb") as source:
              project = tomllib.load(source)["project"]
          name, version = project["name"], project["version"]
          exists = False
          try:
              with urllib.request.urlopen(f"https://pypi.org/pypi/{name}/{version}/json", timeout=15):
                  exists = True
          except urllib.error.HTTPError as exc:
              if exc.code != 404:
                  raise

          with open(os.environ["GITHUB_OUTPUT"], "a", encoding="utf-8") as output:
              output.write(f"publish_needed={'false' if exists else 'true'}\n")
          print(f"{name} {version} {'already exists on PyPI, skipping publish' if exists else 'is not on PyPI'}")
          PY

      - name: Build distributions
        if: steps.check.outputs.publish_needed == 'true'
        run: |
          python -m pip install build
          python -m build

      - uses: actions/upload-artifact@v4
        if: steps.check.outputs.publish_needed == 'true'
        with:
          name: dist
          path: dist/
          if-no-files-found: error

  publish:
    needs: build
    if: needs.build.outputs.publish_needed == 'true'
    runs-on: ubuntu-latest
    environment: pypi
    permissions:
      id-token: write
    steps:
      - uses: actions/download-artifact@v4
        with:
          name: dist
          path: dist/

      # Configure a trusted publisher at:
      # https://pypi.org/manage/project/open-terminal/settings/publishing/
      # Owner: open-webui; repository: open-terminal;
      # workflow: pypi.yml; environment: pypi.
      - name: Publish to PyPI
        uses: pypa/gh-action-pypi-publish@release/v1