// Copyright Ralf W. Grosse-Kunstleve 2002-2004. Distributed under the Boost

// Software License, Version 1.0. (See accompanying

// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

#include <boost/python/class.hpp>

#include <boost/python/module.hpp>

#include <boost/python/def.hpp>

#include <iostream>

#include <string>

namespace { // Avoid cluttering the global namespace.

// A friendly class.

class hello

{

public:

hello(const std::string& country) { this->country = country; }

std::string greet() const { return "Hello from " + country; }

private:

std::string country;

};

// A function taking a hello object as an argument.

std::string invite(const hello& w) {

return w.greet() + "! Please come soon!";

}

}

BOOST_PYTHON_MODULE(extending)

{

using namespace boost::python;

class_<hello>("hello", init<std::string>())

// Add a regular member function.

.def("greet", &hello::greet)

// Add invite() as a member of hello!

.def("invite", invite)

;

// Also add invite() as a regular function to the module.

def("invite", invite);

}