release.yml

name: Build, Release, and Publish

on:
  workflow_dispatch:

permissions:
  contents: write
  packages: write

jobs:
  build:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 0 # Shallow clones should be disabled for a better release experience

      - name: Extract Current Version Number
        id: extract_current_version
        run: |
          CURRENT_VERSION=$(grep '__version__' src/pystatpower/__init__.py | cut -d '"' -f 2)
          echo "CURRENT_VERSION=$CURRENT_VERSION" >> $GITHUB_OUTPUT

      - name: Get Previous Version Number
        id: get_previous_version
        run: |
          PREVIOUS_VERSION=$(git describe --tags --abbrev=0 2>/dev/null || echo "0.0.0")
          PREVIOUS_VERSION=$(echo "$PREVIOUS_VERSION" | xargs)  # 去除可能的空格
          echo "PREVIOUS_VERSION=$PREVIOUS_VERSION" >> $GITHUB_OUTPUT

      - name: Compare Versions
        id: compare_versions
        run: |
          CURRENT_VERSION="${{ steps.extract_current_version.outputs.CURRENT_VERSION }}"
          PREVIOUS_VERSION="${{ steps.get_previous_version.outputs.PREVIOUS_VERSION }}"
          python - <<EOF
          import sys
          from packaging import version

          try:
              current_version = version.parse("${CURRENT_VERSION}")
              previous_version = version.parse("${PREVIOUS_VERSION}")

              if current_version > previous_version:
                  print(f"Version increased from {previous_version} to {current_version}. Continuing the workflow.")
              else:
                  print(f"Version did not increase. Stopping the workflow.")
                  sys.exit(1)
          except Exception as e:
              print(f"Error comparing versions: {e}")
              sys.exit(1)
          EOF

      - name: Determine Release Type
        id: determine_release_type
        run: |
          VERSION="${{ steps.extract_current_version.outputs.CURRENT_VERSION }}"
          if [[ "$VERSION" =~ [abrc] ]]; then
            echo "IS_PRERELEASE=true" >> $GITHUB_OUTPUT
          else
            echo "IS_PRERELEASE=false" >> $GITHUB_OUTPUT
          fi

      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: "3.12"

      - name: Install dependencies
        run: |
          python -m pip install --upgrade pip
          pip install build

      - name: Build package
        run: python -m build

      - name: Upload distribution
        uses: actions/upload-artifact@v4
        with:
          name: distribution
          path: dist/*

      - name: Create Tag
        run: |
          git config --local user.name "github-actions[bot]"
          git config --local user.email "github-actions[bot]@users.noreply.github.com"
          git tag ${{ steps.extract_current_version.outputs.CURRENT_VERSION }}
          git push origin ${{ steps.extract_current_version.outputs.CURRENT_VERSION }}

      - name: Create Release
        id: create_release
        uses: actions/create-release@v1
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          tag_name: ${{ steps.extract_current_version.outputs.CURRENT_VERSION }}
          release_name: ${{ steps.extract_current_version.outputs.CURRENT_VERSION }}
          draft: false
          prerelease: ${{ steps.determine_release_type.outputs.IS_PRERELEASE }}

      - name: Upload Release Asset
        uses: actions/upload-release-asset@v1
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          upload_url: ${{ steps.create_release.outputs.upload_url }}
          asset_path: dist/pystatpower-${{ steps.extract_current_version.outputs.CURRENT_VERSION }}.tar.gz
          asset_name: ${{ steps.extract_current_version.outputs.CURRENT_VERSION }}.tar.gz
          asset_content_type: application/gzip

  pypi-publish:
    runs-on: ubuntu-latest
    needs: build
    environment:
      name: release
      url: https://pypi.org/p/pystatpower
    permissions:
      id-token: write # IMPORTANT: this permission is mandatory for trusted publishing
    steps:
      - name: Download distribution
        uses: actions/download-artifact@v4
        with:
          name: distribution
          path: dist

      - name: Publish package distributions to PyPI
        uses: pypa/gh-action-pypi-publish@v1.10.1