github action for pypi build, publish and github release.

.github/workflows/pypi-build.yaml

@@ -14,7 +14,7 @@ concurrency:
 
 jobs:
   # Test the build with the latest CUDA toolkit and several Python versions
-  nvcc-ubuntu:
+  build:
     strategy:
       fail-fast: false
       matrix:
@@ -50,3 +50,66 @@ jobs:
       with:
         name: python-package-distributions
         path: dist/
+
+  # https://packaging.python.org/en/latest/guides/publishing-package-distribution-releases-using-github-actions-ci-cd-workflows/
+  publish-to-pypi:
+    name: Publish GGNN package to PyPI
+    if: startsWith(github.ref, 'refs/tags/')
+    needs:
+    - build
+    runs-on: ubuntu-latest
+    environment:
+      name: pypi
+      url: https://pypi.org/p/ggnn
+    permissions:
+      id-token: write
+
+    steps:
+    - name: Download all the dists
+      uses: actions/download-artifact@v4
+      with:
+        name: python-package-distributions
+        path: dist/
+    - name: Publish distribution package to PyPI
+      uses: pypa/gh-action-pypi-publish@release/v1
+
+  github-release:
+    name: Sign the Python distribution package with Sigstore and upload them to GitHub Release
+    needs:
+    - publish-to-pypi
+    runs-on: ubuntu-latest
+
+    permissions:
+      contents: write  # IMPORTANT: mandatory for making GitHub Releases
+      id-token: write  # IMPORTANT: mandatory for sigstore
+
+    steps:
+    - name: Download all the dists
+      uses: actions/download-artifact@v4
+      with:
+        name: python-package-distributions
+        path: dist/
+    - name: Sign the dists with Sigstore
+      uses: sigstore/[email protected]
+      with:
+        inputs: >-
+          ./dist/*.tar.gz
+          ./dist/*.whl
+    - name: Create GitHub Release
+      env:
+        GITHUB_TOKEN: ${{ github.token }}
+      run: >-
+        gh release create
+        "$GITHUB_REF_NAME"
+        --repo "$GITHUB_REPOSITORY"
+        --notes ""
+    - name: Upload artifact signatures to GitHub Release
+      env:
+        GITHUB_TOKEN: ${{ github.token }}
+      # Upload to GitHub Release using the `gh` CLI.
+      # `dist/` contains the built packages, and the
+      # sigstore-produced signatures and certificates.
+      run: >-
+        gh release upload
+        "$GITHUB_REF_NAME" dist/**
+        --repo "$GITHUB_REPOSITORY"