Publish package to PyPI workflow (xarray-contrib/xarray-spatial)

name: Publish package to PyPI
 
on:
  push:
    tags:
      - "*"
 
concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true
 
jobs:
  publish:
    timeout-minutes: 30
    runs-on: latchkey-small
 
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0  # ensures full history/tags are available if you ever need them
 
      - name: Set up Python 3.13
        uses: actions/setup-python@v6
        with:
          cache: 'pip'
          python-version: "3.13"
 
      - name: Get release version
        shell: bash
        run: |
          echo "CHANGELOG_VERSION=$(grep -oP '(?<=###\s)(.*)(?=\s\-)' CHANGELOG.md | head -n 1 | sed 's/Version\s/v/')" >> "$GITHUB_ENV"
          echo "TAG_VERSION=${GITHUB_REF_NAME}" >> "$GITHUB_ENV"
 
      - name: Check changelog release version
        shell: bash
        run: |
          if [[ "${TAG_VERSION}" != "${CHANGELOG_VERSION}" ]]; then
            echo "CHANGELOG_VERSION(${CHANGELOG_VERSION}) is different from TAG_VERSION(${TAG_VERSION})"
            exit 1
          fi
 
      - name: Install dependencies
        run: |
          python -m pip install --upgrade pip
          pip install build
 
      - name: Build package
        run: |
          python -m build --sdist --wheel
 
      - name: Check package size (100MB max)
        shell: bash
        run: |
          PKG_SIZE="$(find dist -maxdepth 1 -name '*.tar.gz' -print0 | xargs -0 stat --format='%s' | head -n 1)"
          echo "PKG_SIZE=${PKG_SIZE}" >> "$GITHUB_ENV"
          if [[ -n "${PKG_SIZE}" ]] && (( PKG_SIZE > 100000000 )); then
            echo "PKG_SIZE(${PKG_SIZE} bytes) is greater than 100MB"
            exit 1
          fi
 
      - name: Publish package
        if: startsWith(github.ref, 'refs/tags/')
        uses: pypa/gh-action-pypi-publish@release/v1
        with:
          user: __token__
          password: ${{ secrets.PYPI_API_TOKEN }}
          skip-existing: true