publish-tag-to-pypi.yaml

name: Publish Tag to PyPI

on:
  push:
  workflow_dispatch:

jobs:
  harness-sidecar-release-gate:
    uses: ./.github/workflows/harness-sidecar-release-gate.yaml

  build:
    needs: harness-sidecar-release-gate
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          persist-credentials: false
          # setuptools-scm derives the version from git tags, so the build
          # needs full history and all tags (not the default shallow clone).
          fetch-depth: 0
          fetch-tags: true
      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: "3.x"
      - name: Install build tool
        run: python3 -m pip install build --user --upgrade
      - name: Build wheel and source distribution
        run: python3 -m build
      - name: Reject distributions over the PyPI file-size limit
        run: |
          oversized_file="$(find dist -type f -size +100M -print -quit)"
          if [ -n "${oversized_file}" ]; then
            bytes="$(stat -c%s "${oversized_file}")"
            echo "Distribution exceeds PyPI's 100 MiB limit: ${oversized_file} (${bytes} bytes)"
            exit 1
          fi
      - name: Upload distributables as artifact
        uses: actions/upload-artifact@v4
        with:
          name: python-package-distributions
          path: dist/

  publish-to-pypi:
    needs: build
    if: startsWith(github.ref, 'refs/tags/')
    runs-on: ubuntu-latest
    environment:
      name: pypi
    steps:
      - name: Download distributables
        uses: actions/download-artifact@v4
        with:
          name: python-package-distributions
          path: dist/

      - name: Install Twine
        run: python3 -m pip install --user --upgrade twine packaging

      - name: Publish to PyPI
        env:
          TWINE_USERNAME: __token__
          TWINE_PASSWORD: ${{ secrets.PYPI_API_TOKEN }}
        run: |
          python3 -m twine upload dist/*