reactphysics3d/testbed/nanogui/ext/pybind11/tests/test_modules.cpp

59 lines
1.8 KiB
C++

/*
tests/test_modules.cpp -- nested modules, importing modules, and
internal references
Copyright (c) 2016 Wenzel Jakob <wenzel.jakob@epfl.ch>
All rights reserved. Use of this source code is governed by a
BSD-style license that can be found in the LICENSE file.
*/
#include "pybind11_tests.h"
#include "constructor_stats.h"
std::string submodule_func() {
return "submodule_func()";
}
class A {
public:
A(int v) : v(v) { print_created(this, v); }
~A() { print_destroyed(this); }
A(const A&) { print_copy_created(this); }
A& operator=(const A &copy) { print_copy_assigned(this); v = copy.v; return *this; }
std::string toString() { return "A[" + std::to_string(v) + "]"; }
private:
int v;
};
class B {
public:
B() { print_default_created(this); }
~B() { print_destroyed(this); }
B(const B&) { print_copy_created(this); }
B& operator=(const B &copy) { print_copy_assigned(this); a1 = copy.a1; a2 = copy.a2; return *this; }
A &get_a1() { return a1; }
A &get_a2() { return a2; }
A a1{1};
A a2{2};
};
test_initializer modules([](py::module &m) {
py::module m_sub = m.def_submodule("submodule");
m_sub.def("submodule_func", &submodule_func);
py::class_<A>(m_sub, "A")
.def(py::init<int>())
.def("__repr__", &A::toString);
py::class_<B>(m_sub, "B")
.def(py::init<>())
.def("get_a1", &B::get_a1, "Return the internal A 1", py::return_value_policy::reference_internal)
.def("get_a2", &B::get_a2, "Return the internal A 2", py::return_value_policy::reference_internal)
.def_readwrite("a1", &B::a1) // def_readonly uses an internal reference return policy by default
.def_readwrite("a2", &B::a2);
m.attr("OD") = py::module::import("collections").attr("OrderedDict");
});