feat: add hatchling example (#44)

* feat: add hatchling example

Signed-off-by: Henry Schreiner <[email protected]>

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

---------

Signed-off-by: Henry Schreiner <[email protected]>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

Author: henryiii

noxfile.py

@@ -8,7 +8,13 @@
 hello_list = ["hello-pure", "hello-cpp", "hello-pybind11", "hello-cython"]
 if not sys.platform.startswith("win"):
     hello_list.extend(["hello-cmake-package", "pi-fortran"])
-long_hello_list = [*hello_list, "pen2-cython", "core-c-hello", "core-pybind11-hello"]
+long_hello_list = [
+    *hello_list,
+    "pen2-cython",
+    "core-c-hello",
+    "core-pybind11-hello",
+    "hatchling-pybind11-hello",
+]
 
 
 @nox.session

projects/hatchling-pybind11-hello/CMakeLists.txt

@@ -0,0 +1,10 @@
+cmake_minimum_required(VERSION 3.15...3.29)
+
+project(${SKBUILD_PROJECT_NAME} VERSION ${SKBUILD_PROJECT_VERSION} LANGUAGES CXX)
+
+set(PYBIND11_FINDPYTHON ON)
+find_package(pybind11 CONFIG REQUIRED)
+
+pybind11_add_module(_core MODULE cpp/_core.cpp)
+
+install(TARGETS _core  DESTINATION skcdemo)

projects/hatchling-pybind11-hello/cpp/_core.cpp

@@ -0,0 +1,9 @@
+#include <pybind11/pybind11.h>
+
+namespace py = pybind11;
+
+PYBIND11_MODULE(_core, m) {
+    m.def("hello", [](){
+        py::print("Hello, scikit-build!");
+    });
+}

projects/hatchling-pybind11-hello/pyproject.toml

@@ -0,0 +1,10 @@
+[build-system]
+requires = ["hatchling", "scikit-build-core~=0.9.0", "pybind11"]
+build-backend = "hatchling.build"
+
+[project]
+name = "skcdemo"
+version = "0.1.0"
+
+[tool.hatch.build.targets.wheel.hooks.scikit-build]
+experimental = true

projects/hatchling-pybind11-hello/src/skcdemo/__init__.py

@@ -0,0 +1,3 @@
+from ._core import hello
+
+__all__ = ["hello"]