libs/python/example/quickstart/extending.cpp
// 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);
}