12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061 |
- // Copyright David Abrahams 2006. 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.hpp>
- #include <boost/enable_shared_from_this.hpp>
- #include <boost/shared_ptr.hpp>
- using namespace boost;
- class A : public enable_shared_from_this<A> {
- public:
- A() : val(0) {};
- int val;
- typedef shared_ptr<A> A_ptr;
- A_ptr self() {
- A_ptr self;
- self = shared_from_this();
- return self;
- }
- };
- class B {
- public:
- B() {
- a = A::A_ptr(new A());
- }
- void set(A::A_ptr _a) {
- this->a = _a;
- }
- A::A_ptr get() {
- return a;
- }
- A::A_ptr a;
- };
- template <class T>
- void hold_python(shared_ptr<T>& x)
- {
- x = python::extract<shared_ptr<T> >( python::object(x) );
- }
- A::A_ptr get_b_a(shared_ptr<B> b)
- {
- hold_python(b->a);
- return b->get();
- }
- BOOST_PYTHON_MODULE(andreas_beyer_ext) {
- python::class_<A, noncopyable> ("A")
- .def("self", &A::self)
- .def_readwrite("val", &A::val)
- ;
- python::register_ptr_to_python< A::A_ptr >();
-
- python::class_<B>("B")
- .def("set", &B::set)
- // .def("get", &B::get)
- .def("get", get_b_a)
- ;
- }
|