Fix Windows installation issue (#11)

* cmake: Fix Windows installation issue

* ci: Install nanoeigenpy

* lint: run pre-commit

Author: jorisv

.github/workflows/macos-linux-windows-pixi.yml

@@ -70,6 +70,10 @@ jobs:
       run: |
         pixi run -e ${{ matrix.environment }} ctest --test-dir build --output-on-failure
 
+    - name: Install nanoeigenpy [MacOS/Linux/Windows]
+      run: |
+        pixi run -e ${{ matrix.environment }} cmake --build build --target install
+
   check:
     if: always()
     name: check-macos-linux-windows-pixi

CMakeLists.txt

@@ -101,6 +101,10 @@ endif(APPLE)
 ADD_PROJECT_DEPENDENCY(Eigen3 REQUIRED PKG_CONFIG_REQUIRES "eigen3 >= 3.3.1")
 
 find_package(Python REQUIRED COMPONENTS Interpreter Development)
+# On Windows Python_SITELIB contains \ that can create installation issues
+if(WIN32)
+  string(REPLACE "\\" "/" Python_SITELIB "${Python_SITELIB}")
+endif()
 
 # Detect the installed nanobind package and import it into CMake
 execute_process(