Create python-publish.yml

.github/workflows/python-publish.yml

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+# This workflow will upload a Python Package to PyPI when a release is created
+# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-python#publishing-to-package-registries
+
+# This workflow uses actions that are not certified by GitHub.
+# They are provided by a third-party and are governed by
+# separate terms of service, privacy policy, and support
+# documentation.
+
+name: Upload Python Package
+
+on:
+  release:
+    types: [published]
+
+permissions:
+  contents: read
+
+jobs:
+  release-build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-python@v5
+        with:
+          python-version: "3.9"
+
+      - name: Install pipenv and dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install pipenv
+          pipenv install --dev
+
+      - name: Build release distributions
+        run: |
+          pipenv run build
+
+      - name: Upload distributions
+        uses: actions/upload-artifact@v4
+        with:
+          name: walrus-dist
+          path: dist/
+
+  pypi-publish:
+    runs-on: ubuntu-latest
+    needs:
+      - release-build
+    permissions:
+      id-token: write
+
+    environment:
+      name: pypi
+      url: https://pypi.org/project/walrus-python/${{ github.event.release.tag_name }}
+
+    steps:
+      - name: Retrieve release distributions
+        uses: actions/download-artifact@v4
+        with:
+          name: walrus-dist
+          path: dist/
+
+      - name: Publish release distributions to PyPI
+        uses: pypa/gh-action-pypi-publish@release/v1
+        with:
+          packages-dir: dist/