Change build backend to scikit_build_core in pyproject.toml

.github/workflows/ci.yml

@@ -36,12 +36,14 @@ jobs:
               echo "OMPI_ALLOW_RUN_AS_ROOT=1" >> $GITHUB_ENV
               echo "OMPI_ALLOW_RUN_AS_ROOT_CONFIRM=1" >> $GITHUB_ENV
               rm /usr/local/lib/python3.11/site-packages/petsc4py/py.typed
+              python3 -m pip install pybind11
           - backend: none-complex
             container: numericalpdes/base_images:slepc4py-complex
             setup_container: |
               echo "OMPI_ALLOW_RUN_AS_ROOT=1" >> $GITHUB_ENV
               echo "OMPI_ALLOW_RUN_AS_ROOT_CONFIRM=1" >> $GITHUB_ENV
               rm /usr/local/lib/python3.11/site-packages/petsc4py/py.typed
+              python3 -m pip install pybind11
           - backend: dolfinx-real
             container: dolfinx/dolfinx:nightly
             setup_container: |
@@ -70,12 +72,12 @@ jobs:
         run: ${{ matrix.setup_container }}
       - name: Install RBniCSx
         run: |
+          python3 -m pip install scikit-build-core[pyproject]
           if [[ "${{ matrix.backend }}" == none* ]]; then
-            python3 -m pip install .[docs,lint,tests]
+            python3 -m pip install --check-build-dependencies --no-build-isolation --verbose .[docs,lint,tests]
           else
-            python3 -m pip install .[docs,lint,tests,tutorials]
+            python3 -m pip install --check-build-dependencies --no-build-isolation --verbose .[docs,lint,tests,tutorials]
           fi
-          python3 -c "import rbnicsx._cpp"
         shell: bash
       - name: Update mypy configuration
         if: startsWith(matrix.backend, 'none') == true

pyproject.toml

@@ -1,6 +1,10 @@
 [build-system]
-requires = ["setuptools>=62", "wheel"]
-build-backend = "setuptools.build_meta"
+requires = [
+    "petsc4py",
+    "pybind11 >= 2.9.1",
+    "scikit-build-core[pyproject]"
+]
+build-backend = "scikit_build_core.build"
 
 [project]
 name = "RBniCSx"
@@ -159,8 +163,7 @@ ignore_missing_imports = true
 module = "ufl"
 ignore_missing_imports = true
 
-[tool.setuptools.package-data]
-viskex = ["py.typed"]
-
-[tool.setuptools.packages.find]
-namespaces = false
+[tool.scikit-build]
+cmake.source-dir = "rbnicsx/_cpp"
+wheel.packages = ["rbnicsx"]
+sdist.exclude = ["*.cpp", "*.h", "CMakeLists.txt"]