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// Copyright David Abrahams 2005. 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/register_ptr_to_python.hpp>
#include <boost/python/def.hpp>
#include <boost/python/class.hpp>
#include <boost/python/wrapper.hpp>
#include <boost/python/module.hpp>
#include <boost/python/implicit.hpp>
#include <memory>
struct data
{
virtual ~data() {}; // silence compiler warnings
virtual int id() const
{
return 42;
}
};
std::auto_ptr<data> create_data()
{
return std::auto_ptr<data>( new data );
}
void do_nothing( std::auto_ptr<data>& ){}
namespace bp = boost::python;
struct data_wrapper : data, bp::wrapper< data >
{
data_wrapper(data const & arg )
: data( arg )
, bp::wrapper< data >()
{}
data_wrapper()
: data()
, bp::wrapper< data >()
{}
virtual int id() const
{
if( bp::override id = this->get_override( "id" ) )
return bp::call<int>(id.ptr()); // id();
else
return data::id( );
}
virtual int default_id( ) const
{
return this->data::id( );
}
};
BOOST_PYTHON_MODULE(wrapper_held_type_ext)
{
bp::class_< data_wrapper, std::auto_ptr< data > >( "data" )
.def( "id", &data::id, &::data_wrapper::default_id );
bp::def( "do_nothing", &do_nothing );
bp::def( "create_data", &create_data );
}
#include "module_tail.cpp"
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