Convert from pybind11 to nanobind

valgur · Dec 22, 2024 · 2e19c9a · 2e19c9a
1 parent 610d057
commit 2e19c9a
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Showing 3 changed files with 203 additions and 171 deletions.
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -62,10 +62,12 @@ endif()
 ## Python bindings
 option(BUILD_PYTHON "Build velodyne_decoder_pylib Python module" FALSE)
 if(BUILD_PYTHON OR SKBUILD)
-  find_package(Python REQUIRED COMPONENTS Interpreter Development.Module)
-  find_package(pybind11 CONFIG REQUIRED)
+  find_package(Python
+      REQUIRED COMPONENTS Interpreter Development.Module
+      OPTIONAL_COMPONENTS Development.SABIModule)
+  find_package(nanobind CONFIG REQUIRED)
 
-  pybind11_add_module(python_bindings src/python.cpp)
+  nanobind_add_module(python_bindings STABLE_ABI NB_STATIC src/python.cpp)
   set_target_properties(python_bindings PROPERTIES OUTPUT_NAME velodyne_decoder_pylib)
   target_include_directories(python_bindings PRIVATE include)
   target_link_libraries(python_bindings PRIVATE velodyne_decoder)

diff --git a/pyproject.toml b/pyproject.toml
@@ -37,7 +37,7 @@ include-package-data = true
 requires = [
     "scikit-build-core >=0.4.3",
     "conan >=2.0.5",
-    "pybind11"
+    "nanobind"
 ]
 build-backend = "scikit_build_core.build"
 
@@ -47,6 +47,8 @@ cmake.targets = ["python_bindings"]
 install.components = ["python"]
 wheel.license-files = ["LICENSE"]
 build-dir = "build/{wheel_tag}"
+# Build stable ABI wheels for CPython 3.12+
+wheel.py-api = "cp312"
 
 [tool.scikit-build.cmake.define]
 BUILD_PYTHON = true