#53 Adjust workflow to separate build and publishing of artifact

.github/workflows/to_pypi.yml

@@ -1,30 +1,51 @@
-name: Upload to PyPI
+name: Publish to PyPI
 on:
   release:
     types: created
 
 jobs:
-  upload-to-pypi:
+  build:
+    name: Build distribution
     runs-on: ubuntu-latest
+
     steps:
-      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
-      - uses: actions/checkout@v2
-      - uses: actions/setup-python@v2
-        with:
-          python-version: 3.8
+    - uses: actions/checkout@v4
+    - name: Set up Python
+      uses: actions/setup-python@v5
+      with:
+        python-version: 3.8
+    - name: Install pypa/build
+      run: >-
+        python3 -m
+        pip install
+        build
+        --user
+    - name: Build a binary wheel and a source tarball
+      run: python3 -m build
+    - name: Store the distribution packages
+      uses: actions/upload-artifact@v3
+      with:
+        name: python-package-distributions
+        path: dist/
 
-      - name: Install pypa/build
-        run: >-
-          python -m pip install build --user
+  publish-to-pypi:
+    name: >-
+      Publish distribution to PyPI
+    needs:
+    - build
+    runs-on: ubuntu-latest
 
-      - name: Build a binary wheel and a source tarball
-        run: >-
-          python -m build --sdist --wheel --outdir dist/
+    steps:
+    - name: Download all the dists
+      uses: actions/download-artifact@v3
+      with:
+        name: python-package-distributions
+        path: dist/
+    - name: Publish distribution to PyPI
+      uses: pypa/gh-action-pypi-publish@release/v1
+      with:
+        user: __token__
+        password: ${{ secrets.PYPI_API_TOKEN }}
+        verbose: true
+        skip_existing: true
 
-      - name: Publish distribution to PyPI
-        uses: pypa/gh-action-pypi-publish@release/v1
-        with:
-          user: __token__
-          password: ${{ secrets.PYPI_API_TOKEN }}
-          verbose: true
-          skip_existing: true