Python: generate sdist on Linux

.github/workflows/artifacts.yml

@@ -106,6 +106,36 @@ jobs:
           files: oxigraph_server_${{ github.event.release.tag_name }}_x86_64_windows_msvc.exe
         if: github.event_name == 'release'
 
+  python_sdist:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          submodules: true
+      - run: rustup update
+      - uses: Swatinem/rust-cache@v2
+      - uses: actions/setup-python@v4
+        with:
+          python-version: "3.12"
+          cache: pip
+          cache-dependency-path: '**/requirements.dev.txt'
+      - run: pip install -r python/requirements.dev.txt
+      - run: maturin build -m python/Cargo.toml
+      - run: pip install --no-index --find-links=target/wheels/ pyoxigraph
+      - run: rm -r target/wheels
+      - run: python generate_stubs.py pyoxigraph pyoxigraph.pyi --black
+        working-directory: ./python
+      - run: maturin sdist -m python/Cargo.toml
+      - uses: actions/upload-artifact@v3
+        with:
+          name: pyoxigraph_source
+          path: target/wheels/*.tar.gz
+      - run: pip install twine && twine upload target/wheels/*
+        env:
+          TWINE_USERNAME: __token__
+          TWINE_PASSWORD: ${{ secrets.PYPI_PASSWORD }}
+        if: github.event_name == 'release'
+
   wheel_linux:
     runs-on: ubuntu-latest
     strategy:
@@ -221,7 +251,6 @@ jobs:
       - run: python generate_stubs.py pyoxigraph pyoxigraph.pyi --black
         working-directory: ./python
       - run: maturin build --release -m python/Cargo.toml --features abi3
-      - run: maturin sdist -m python/Cargo.toml
       - uses: actions/upload-artifact@v3
         with:
           name: pyoxigraph_wheel_x86_64_windows