Migrate example to semiwrap

Author: virtuald

examples/demo/.gitignore

@@ -9,6 +9,6 @@ py.typed
 /dist
 
 _init*.py
-pkgcfg.py
+*.pc
 version.py
-rpy-include
+trampolines

examples/demo/gen/.gitkeep

@@ -0,0 +1,23 @@
+project('demo', ['cpp'],
+        default_options: ['warning_level=1', 'cpp_std=c++20',
+                          'b_colorout=auto', 'optimization=2', 'b_pie=true'])
+
+# Include autogenerated wrapcfg/meson.build
+subdir('wrapcfg')
+
+# Add additional source files to predefined variable in wrapcfg/meson.build
+demo_sources += files(
+  'swdemo/src/demo.cpp',
+  'swdemo/src/main.cpp',
+)
+
+# You can add extra compilation arguments by adding a dependency to predefined
+# variable
+demo_deps += [
+  declare_dependency(include_directories: ['swdemo/include'])
+]
+
+# Include autogenerated wrapcfg/modules/meson.build
+# - Builds the extension modules
+# - Generates the pyi file for the extension modules
+subdir('wrapcfg/modules')

examples/demo/meson.build

@@ -1,41 +1,38 @@
 
-# This section tells pip to install robotpy-build before starting a build
+# This section tells pip to install semiwrap before starting a build
 [build-system]
-requires = ["robotpy-build"]
-
-# Tells robotpy-build where to place autogenerated metadata
-[tool.robotpy-build]
-base_package = "rpydemo"
-
-# This section configures the 'rpydemo' python package. Multiple
-# sections are possible to build multiple packages
-[tool.robotpy-build.wrappers."rpydemo"]
-name = "rpydemo"
-
-# C++ source files to compile, path is relative to the root of the project
-sources = [
-    "rpydemo/src/demo.cpp",
-    "rpydemo/src/main.cpp"
-]
-
-# This is a directory that can be used to customize the autogenerated
-# C++ code
-# -> autogenerate those files via `robotpy-build create-gen`
-generation_data = "gen"
-
-# This tells robotpy-build to parse include/demo.h and autogenerate pybind11
-# wrappers for the contents of the header.
-# -> autogenerate this via `robotpy-build scan-headers`
-[tool.robotpy-build.wrappers."rpydemo".autogen_headers]
-demo = "demo.h"
-
-
-# Standard python package metadata
-[tool.robotpy-build.metadata]
-name = "robotpy-build-demo"
-description = "robotpy-build demo program"
-author = "RobotPy Development Team"
-author_email = "[email protected]"
-url = "https://github.com/robotpy/robotpy-build"
-license = "BSD-3-Clause"
-install_requires = []
+build-backend = "hatchling.build"
+requires = ["semiwrap", "hatch-meson", "hatchling"]
+
+[project]
+name = "swdemo"
+description = "Demo program"
+version = "0.0.1"
+
+#
+# hatch-semiwrap configuration
+# .. this generates meson.build to perform autogen
+#
+
+[tool.hatch.build.hooks.semiwrap]
+# autogen_build_path = "autogen"
+
+#
+# hatch-meson configuration
+# .. this executes meson to build python extension modules
+#
+
+[tool.hatch.build.hooks.meson]
+
+
+#
+# semiwrap code generation configuration
+#
+
+[tool.semiwrap]
+
+[tool.semiwrap.extension_modules."swdemo._demo"]
+name = "demo"
+
+[tool.semiwrap.extension_modules."swdemo._demo".headers]
+demo = "include/demo.h"

examples/demo/pyproject.toml

@@ -1,4 +1,4 @@
 # autogenerated by 'robotpy-build create-imports rpydemo rpydemo._rpydemo'
-from ._rpydemo import DemoClass, add2
+from ._demo import DemoClass, add2
 
 __all__ = ["DemoClass", "add2"]

examples/demo/rpydemo/src/main.cpp

@@ -4,6 +4,8 @@
 /** Adds 2 to the first parameter and returns it */
 int add2(int x);
 
+namespace demo {
+
 /**
     Doxygen documentation is automatically added to your python objects
     when the bindings are autogenerated.
@@ -20,3 +22,5 @@ class DemoClass {
 private:
     int m_x = 0;
 };
+
+} // namespace demo

examples/demo/setup.py

@@ -5,10 +5,14 @@ int add2(int x) {
     return x + 2;
 }
 
+namespace demo {
+
 void DemoClass::setX(int x) {
     m_x = x;
 }
 
 int DemoClass::getX() const {
     return m_x;
-}
+}
+
+} // namespace demo

examples/demo/rpydemo/__init__.py renamed to examples/demo/swdemo/__init__.py

@@ -0,0 +1,5 @@
+#include <semiwrap_init.swdemo._demo.hpp>
+
+SEMIWRAP_PYBIND11_MODULE(m) {
+    initWrapper(m);
+}

examples/demo/rpydemo/include/demo.h renamed to examples/demo/swdemo/include/demo.h

@@ -0,0 +1 @@
+/meson.build

examples/demo/rpydemo/src/demo.cpp renamed to examples/demo/swdemo/src/demo.cpp

@@ -3,7 +3,7 @@
 functions:
   add2:
 classes:
-  DemoClass:
+  demo::DemoClass:
     methods:
       setX:
       getX:

examples/demo/swdemo/src/main.cpp

@@ -0,0 +1 @@
+/meson.build

examples/demo/wrapcfg/.gitignore

@@ -0,0 +1 @@
+/meson.build