workflow to publish to pypi

Author: keewis

.github/workflows/pypi.yml

@@ -0,0 +1,65 @@
+name: Build and upload to PyPI
+
+on:
+  release:
+    types: [published]
+
+permissions: {}
+
+jobs:
+  build:
+    name: Build packages
+    runs-on: ubuntu-latest
+    if: github.owner == 'xarray-contrib'
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v5
+        with:
+          fetch-depth: 0
+          persist-credentials: false
+      - name: Set up Python
+        uses: actions/setup-python@v6
+        with:
+          python-version: "3.x"
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          python -m pip install build twine
+      - name: Build
+        run: |
+          python -m build --outdir dist/ .
+      - name: Check the built archives
+        run: |
+          twine check dist/*
+          pip install dist/*.whl
+          minimum-versions --help
+      - name: Upload build artifacts
+        uses: actions/upload-artifact@v5
+        with:
+          name: packages
+          path: dist/*
+
+  publish:
+    name: Upload to PyPI
+    runs-on: ubuntu-latest
+    needs: build
+    if: github.event_name == 'release'
+
+    environment:
+      name: pypi
+      url: https://pypi.org/p/xarray-minimum-dependency-policy
+    permissions:
+      id-token: write
+
+    steps:
+      - name: Download build artifacts
+        uses: actions/download-artifact@v6
+        with:
+          name: packages
+          path: dist/
+
+      - name: Publish to PyPI
+        uses: pypa/gh-action-pypi-publish@ed0c53931b1dc9bd32cbe73a98c7f6766f8a527e
+        with:
+          verify_metadata: true
+          verbose: true