Use trusted publishing. (#48)

Author: tobiasraabe

.github/workflows/publish-to-pypi.yml

@@ -1,36 +1,91 @@
-name: PyPI
+name: Publish Python 🐍 distribution 📦 to PyPI
 
 on: push
 
 jobs:
-  build-n-publish:
-    name: Build and publish Python 🐍 distributions 📦 to PyPI
+  build:
+    name: Build distribution 📦
     runs-on: ubuntu-latest
+
     steps:
     - uses: actions/checkout@v4
-
-    - name: Set up Python 3.8
+    - name: Set up Python
       uses: actions/setup-python@v5
       with:
-        python-version: 3.8
-
+        python-version: "3.x"
     - name: Install pypa/build
       run: >-
-        python -m
+        python3 -m
         pip install
         build
         --user
-
     - name: Build a binary wheel and a source tarball
-      run: >-
-        python -m
-        build
-        --sdist
-        --wheel
-        --outdir dist/
+      run: python3 -m build
+    - name: Store the distribution packages
+      uses: actions/upload-artifact@v4
+      with:
+        name: python-package-distributions
+        path: dist/
 
+  publish-to-pypi:
+    name: Publish Python 🐍 distribution 📦 to PyPI
+    if: startsWith(github.ref, 'refs/tags/')  # only publish to PyPI on tag pushes
+    needs:
+    - build
+    runs-on: ubuntu-latest
+    environment:
+      name: pypi
+      url: https://pypi.org/p/pytask-r
+    permissions:
+      id-token: write  # IMPORTANT: mandatory for trusted publishing
+
+    steps:
+    - name: Download all the dists
+      uses: actions/download-artifact@v4
+      with:
+        name: python-package-distributions
+        path: dist/
     - name: Publish distribution 📦 to PyPI
-      if: startsWith(github.ref, 'refs/tags')
-      uses: pypa/gh-action-pypi-publish@master
+      uses: pypa/gh-action-pypi-publish@release/v1
+
+  github-release:
+    name: >-
+      Sign the Python 🐍 distribution 📦 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/gh-action-sigstore-python@v2.1.1
       with:
-        password: ${{ secrets.PYPI_API_TOKEN }}
+        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 }}'

CHANGES.md

@@ -9,6 +9,7 @@ releases are available on [PyPI](https://pypi.org/project/pytask-r) and
 
 - {pull}`46` modernizes the package.
 - {pull}`47` fixes couple of issues raised in {issue}`45`.
+- {pull}`48` implements trusted publishing.
 
 ## 0.4.0 - 2023-10-08