pypp

pybin11 / boost.python / embind generator.

Usage

Ubuntu 20.04

install requirements

$ sudo apt-get install libclang1-11
$ pip install -r requirements.txt

configuration

$ echo "export PYPP_LIBCLANG_PATH='/usr/lib/llvm-11/lib/libclang.so.1'" > .envrc
$ direnv allow

or

$ cat - << EOS > .PYPP_LIBCLANG_PATH
[llvm]
libclang=/usr/lib/llvm-11/lib/libclang.so.1
EOS

pybind11

Hello world

$ cat samples/helloworld.hpp
void helloworld()
{
    std::cout << "Hello World!" << std::endl;
}

$ python -m pypp samples/helloworld.hpp
// generate by pypp
// original source code: samples/helloworld.hpp

#include <pybind11/pybind11.h>
#include <pybind11/stl.h>

#include "samples/helloworld.hpp"


void init_samples_helloworld_hpp(pybind11::module scope) {
    scope.def("helloworld", &helloworld);
}

class

$ cat samples/class.hpp
class Calc
{
public:
    static int add(int a, int b)
    {
        return a + b;
    }
};

$ python -m pypp samples/class.hpp
// generate by pypp
// original source code: samples/class.hpp

#include <pybind11/pybind11.h>
#include <pybind11/stl.h>

#include "samples/class.hpp"


void init_samples_class_hpp(pybind11::module scope) {
    pybind11::class_<Calc, std::shared_ptr<Calc>>(scope, "Calc")
        .def_static("add", &Calc::add)
        ;
}

Boost.Python

Hello world

$ python -m pypp samples/helloworld.hpp --generate-boost
// generate by pypp
// original source code: samples/helloworld.hpp

#include <boost/python.hpp>

#include "samples/helloworld.hpp"


void init_samples_helloworld_hpp()
{
    boost::python::def("helloworld", &helloworld);
}

class

$ python -m pypp samples/class.hpp --generate-boost
// generate by pypp
// original source code: class.hpp

#include <boost/python.hpp>

#include "samples/class.hpp"


void init_samples_class_hpp()
{
    boost::python::class_<Calc>("Calc", boost::python::no_init)
        .def("add", &Calc::add)
        .staticmethod("add")
        ;
}

Embind

Hello world

$ python -m pypp samples/helloworld.hpp --generate-embind
// generate by pypp
// original source code: samples/helloworld.hpp

#include <emscripten/bind.h>

#include "samples/helloworld.hpp"


void init_samples_helloworld_hpp()
{
    emscripten::function("helloworld", &helloworld);
}

class

$ python -m pypp class.hpp --generate-embind
// generate by pypp
// original source code: samples/class.hpp

#include <emscripten/bind.h>

#include "samples/class.hpp"


void init_samples_class_hpp() {
    emscripten::class_<Calc>(scope, "Calc")
        .function("add", &Calc::add)
        ;
}