release.yml

name: Publish Python distribution to PyPI

on:
  workflow_dispatch:
  push:
    tags:
      - 'v[0-9]+.[0-9]+.[0-9]+*'

jobs:
  build:
    name: Build distribution 📦
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v4
        with:
          submodules: 'recursive'
      - name: Set up Python 3.12
        uses: actions/setup-python@v5
        id: setup-python
        with:
          python-version: 3.12

      - name: Install uv
        uses: astral-sh/setup-uv@v7
        with:
          enable-cache: true

      - uses: actions/cache@v4
        name: Define a cache for the virtual environment based on the dependencies lock file
        id: cache
        with:
          path: ./.venv
          key: venv-${{ runner.os }}-3.12-${{ hashFiles('uv.lock') }}

      - name: Install dependencies
        run: uv sync --extra crypto --extra dev
      - name: Generate rest sync code and tests
        run: uv run unasync
      - name: Build a binary wheel and a source tarball
        run: uv build
      - name: Store the distribution packages
        uses: actions/upload-artifact@v4
        with:
          name: python-package-distributions
          path: dist/
      - name: Check that wheel and tarball contains ably/sync/
        run: |
          # Check wheel
          WHEEL=$(ls dist/*.whl | head -n 1)
          echo "Checking wheel: $WHEEL"
          if unzip -l "$WHEEL" | grep -q "ably/sync/"; then
            echo "✅ Found ably/sync/ in wheel"
          else
            unzip -l "$WHEEL" 
            echo "❌ ably/sync/ not found in wheel"
            exit 1
          fi
          
          # Check tarball
          TARBALL=$(ls dist/*.tar.gz | head -n 1)
          echo "Checking tarball: $TARBALL"
          if tar -tzf "$TARBALL" | grep -q "ably/sync/"; then
            echo "✅ Found ably/sync/ in tarball"
          else
            tar -tzf "$TARBALL"
            echo "❌ ably/sync/ not found in tarball"
            exit 1
          fi

  publish-to-pypi:
    name: Publish Python distribution to PyPI
    if: startsWith(github.ref, 'refs/tags/v')  # only publish to PyPI on tag pushes
    needs:
      - build
    runs-on: ubuntu-latest
    environment:
      name: pypi
      url: https://pypi.org/p/ably
    permissions:
      id-token: write  # IMPORTANT: mandatory for trusted publishing

    steps:
      - name: Download all the dists
        uses: actions/download-artifact@v4
        with:
          name: python-package-distributions
          path: dist/

      - name: Extract tag
        id: tag
        run: |
          TAG=${GITHUB_REF#refs/tags/v}
          echo "tag=$TAG" >> $GITHUB_OUTPUT

      - name: Read VERSION_NAME from dist/
        id: version
        run: |
          VERSION_NAME=$(basename dist/ably-*.tar.gz | sed -E 's/^ably-([^-]+)\.tar\.gz$/\1/')
          echo "version=$VERSION_NAME" >> $GITHUB_OUTPUT

      - name: Compare version with tag
        run: |
          if [ "$VERSION" != "$TAG" ]; then
            echo "VERSION ($VERSION) does not match tag ($TAG)."
            exit 1
          fi
        env:
          VERSION: ${{ steps.version.outputs.version }}
          TAG: ${{ steps.tag.outputs.tag }}

      - name: Publish distribution 📦 to PyPI
        uses: pypa/gh-action-pypi-publish@release/v1

  publish-to-testpypi:
    name: Publish Python distribution to TestPyPI
    needs:
      - build
    runs-on: ubuntu-latest

    environment:
      name: testpypi
      url: https://test.pypi.org/p/ably

    permissions:
      id-token: write  # IMPORTANT: mandatory for trusted publishing

    steps:
      - name: Download all the dists
        uses: actions/download-artifact@v4
        with:
          name: python-package-distributions
          path: dist/
      - name: Publish distribution 📦 to TestPyPI
        uses: pypa/gh-action-pypi-publish@release/v1
        with:
          repository-url: https://test.pypi.org/legacy/