Add stump nanobind bindings file python-nb/coal.cc

Author: ManifoldFR

CMakeLists.txt

@@ -160,12 +160,6 @@ cmake_dependent_option(
 
 ADD_PROJECT_DEPENDENCY(Eigen3 REQUIRED PKG_CONFIG_REQUIRES "eigen3 >= 3.0.0")
 
-if(BUILD_PYTHON_INTERFACE)
-  set(PYTHON_COMPONENTS Interpreter Development NumPy)
-  FINDPYTHON(REQUIRED)
-  ADD_PROJECT_PRIVATE_DEPENDENCY(eigenpy 2.9.2 REQUIRED)
-endif()
-
 # Required dependencies
 SET_BOOST_DEFAULT_OPTIONS()
 EXPORT_BOOST_DEFAULT_OPTIONS()
@@ -515,6 +509,7 @@ add_subdirectory(doc)
 add_subdirectory(src)
 if(BUILD_PYTHON_INTERFACE)
   add_subdirectory(python)
+  add_subdirectory(python-nb)
 endif()
 if(BUILD_TESTING)
   add_subdirectory(test)

python-nb/CMakeLists.txt

@@ -0,0 +1,15 @@
+find_package(Python REQUIRED COMPONENTS Interpreter Development)
+find_package(nanobind CONFIG REQUIRED)
+
+set(PYTHON_LIB_NAME_V2 coal_pywrap_v2)
+set(coal_pywrap_v2_SOURCES coal.cc)
+
+nanobind_add_module(${PYTHON_LIB_NAME_V2} NB_STATIC NB_SUPPRESS_WARNINGS ${coal_pywrap_v2_SOURCES})
+target_link_libraries(
+  ${PYTHON_LIB_NAME_V2}
+  PRIVATE ${PROJECT_NAME} Boost::system
+)
+target_compile_definitions(
+  ${PYTHON_LIB_NAME_V2}
+  PRIVATE COAL_PYTHON_LIBNAME=${PYTHON_LIB_NAME_V2}
+)

python-nb/coal.cc

@@ -0,0 +1,4 @@
+/// Copyright 2025 INRIA
+#include <nanobind/nanobind.h>
+
+NB_MODULE(COAL_PYTHON_LIBNAME, m) {}

python/CMakeLists.txt

@@ -32,8 +32,15 @@
 #  ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 #  POSSIBILITY OF SUCH DAMAGE.
 
-include(${JRL_CMAKE_MODULES}/python-helpers.cmake)
-include(${JRL_CMAKE_MODULES}/stubs.cmake)
+if(BUILD_PYTHON_INTERFACE)
+  set(PYTHON_COMPONENTS Interpreter Development NumPy)
+  FINDPYTHON(REQUIRED)
+  ADD_PROJECT_PRIVATE_DEPENDENCY(eigenpy 2.9.2 REQUIRED)
+endif()
+
+if(GENERATE_PYTHON_STUBS)
+  include(${JRL_CMAKE_MODULES}/stubs.cmake)
+endif(GENERATE_PYTHON_STUBS)
 
 add_custom_target(${PROJECT_NAME}_python)
 set_target_properties(