post_draft_release_published.yaml

name: Post Draft Release Published

on:
  release:
    types:
      ## pre-release and stable release
      #- published
      ## stable release only
      - released
run-name: Post ${{ github.event.release.name }}

jobs:
  pypi-release:
    permissions:
      # write permission is required to update version.py
      contents: write
      pull-requests: write
    # Use the oldest supported version to build, just in case there are issues
    # for our case, this doesn't matter that much, since the build is for 3.x
    strategy:
      matrix:
        include:
          - py_ver: "3.10"
    runs-on: ubuntu-latest
    env:
      PY_VER: ${{matrix.py_ver}}
      TWINE_USERNAME: ${{secrets.twine_username}}
      TWINE_PASSWORD: ${{secrets.twine_password}}
      TWINE_TEST_USERNAME: ${{secrets.twine_test_username}}
      TWINE_TEST_PASSWORD: ${{secrets.twine_test_password}}
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
      # new release needs the updated version.py
      - name: Update version.py
        run: |
          VERSION=$(echo "${{ github.event.release.name }}" | grep -oP '\d+\.\d+\.\d+')
          sed -i "s/^__version__ = .*/__version__ = \"$VERSION\"/" src/datajoint/version.py
          cat src/datajoint/version.py
          # Commit the changes
          BRANCH_NAME="update-version-$VERSION"
          git switch -c $BRANCH_NAME
          git config --global user.name "github-actions"
          git config --global user.email "github-actions@github.com"
          git add src/datajoint/version.py
          git commit -m "Update version.py to $VERSION"
          echo "BRANCH_NAME=$BRANCH_NAME" >> $GITHUB_ENV
      - name: Update README.md badge
        run: |
          # commits since the last release
          NEW_HREF="https://github.com/datajoint/datajoint-python/compare/${{ github.event.release.tag_name }}...master"
          NEW_SRC="https://img.shields.io/github/commits-since/datajoint/datajoint-python/${{ github.event.release.tag_name }}?color=red"
          # Update href in the <a> tag
          sed -i 's|\(<a id="commit-since-release-link"[^>]*href="\)[^"]*\(".*\)|\1'"$NEW_HREF"'\2|' README.md
          # Update src in the <img> tag
          sed -i 's|\(<img id="commit-since-release-img"[^>]*src="\)[^"]*\(".*\)|\1'"$NEW_SRC"'\2|' README.md
          git add README.md
          # Only commit if there are changes (handles re-runs gracefully)
          git diff --cached --quiet README.md || git commit -m "Update README.md badge to ${{ github.event.release.tag_name }}"
      - name: Set up Python ${{matrix.py_ver}}
        uses: actions/setup-python@v5
        with:
          python-version: ${{matrix.py_ver}}
      # Merging build and release steps just for the simplicity,
      # since datajoint-python doesn't have platform specific dependencies or binaries,
      # and the build process is fairly fast, so removed upload/download artifacts
      - name: Build package
        id: build
        run: |
          python -m pip install build
          python -m build .
          echo "DJ_WHEEL_PATH=$(ls dist/datajoint-*.whl)" >> $GITHUB_ENV
          echo "DJ_SDIST_PATH=$(ls dist/datajoint-*.tar.gz)" >> $GITHUB_ENV
          echo "NEW_VERSION=${{github.event.release.resolved_version}}" >> $GITHUB_ENV
      - name: Publish package
        id: publish
        env:
          RELEASE_NAME: ${{ github.event.release.name }}
        run: |
          export HOST_UID=$(id -u)
          if [[ "$RELEASE_NAME" =~ ^Test ]]; then
            LATEST_PYPI=$(curl -s https://test.pypi.org/pypi/datajoint/json | jq -r '.info.version')
            echo "TEST_PYPI=true" >> $GITHUB_ENV
            export TWINE_REPOSITORY="testpypi"
            export TWINE_USERNAME=${TWINE_TEST_USERNAME}
            export TWINE_PASSWORD=${TWINE_TEST_PASSWORD}
          else
            LATEST_PYPI=$(curl -s https://pypi.org/pypi/datajoint/json | jq -r '.info.version')
            echo "TEST_PYPI=false" >> $GITHUB_ENV
            export TWINE_REPOSITORY="pypi"
          fi
          # Check if the new version is different from the latest on PyPI, avoid re-uploading error
          if [ "$NEW_VERSION" != "$LATEST_PYPI" ]; then
            docker compose run --build --quiet-pull \
            -e TWINE_USERNAME=${TWINE_USERNAME} \
            -e TWINE_PASSWORD=${TWINE_PASSWORD} \
            -e TWINE_REPOSITORY=${TWINE_REPOSITORY} \
            app sh -c "pip install twine && python -m twine upload dist/*"
          else
            echo "::warning::Latest version $LATEST_PYPI on $TWINE_REPOSITORY is the new version $NEW_VERSION"
          fi
      # Upload package as release assets
      - name: Upload pip wheel asset to release
        uses: actions/upload-release-asset@v1
        env:
          GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}
        with:
          upload_url: ${{github.event.release.upload_url}}
          asset_path: ${{env.DJ_WHEEL_PATH}}
          asset_name: pip-datajoint-${{ github.event.release.tag_name }}.whl
          asset_content_type: application/zip
      - name: Upload pip sdist asset to release
        uses: actions/upload-release-asset@v1
        env:
          GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}
        with:
          upload_url: ${{github.event.release.upload_url}}
          asset_path: ${{env.DJ_SDIST_PATH}}
          asset_name: pip-datajoint-${{ github.event.release.tag_name }}.tar.gz
          asset_content_type: application/gzip
      - name: Create Pull Request
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          git push origin ${{ env.BRANCH_NAME }}
          gh pr create \
            --title "[github-actions]Update version.py to ${{ github.event.release.name }}" \
            --body "This PR updates \`version.py\` to match the latest release: ${{ github.event.release.name }}" \
            --base master \
            --head ${{ env.BRANCH_NAME }} \
            --reviewer dimitri-yatsenko,drewyangdev,ttngu207
      - name: Post release notification to Slack
        if: ${{ env.TEST_PYPI == 'false' }}
        uses: slackapi/slack-github-action@v2.0.0
        with:
          webhook: ${{ secrets.SLACK_WEBHOOK_URL }}
          webhook-type: incoming-webhook
          payload: |
            {
              "text": "*New Release Published!* :tada: \n*Repository:* ${{ github.repository }}\n*Version:* ${{ github.event.release.tag_name }}\n*URL:* ${{ github.event.release.html_url }}",
              "blocks": [
                {
                  "type": "section",
                  "text": {
                    "type": "mrkdwn",
                    "text": "*New Release Published!* :tada:\n*Repository:* ${{ github.repository }}\n*Version:* ${{ github.event.release.tag_name }}\n*URL:* <${{ github.event.release.html_url }}|View Release>"
                  }
                }
              ]
            }