pybind11/tests/test_methods_and_attributes.cpp

58     py::str overloaded()             { return "()"; }
59     py::str overloaded(int)          { return "(int)"; }
60     py::str overloaded(int, float)   { return "(int, float)"; }
61     py::str overloaded(float, int)   { return "(float, int)"; }
62     py::str overloaded(int, int)     { return "(int, int)"; }
63     py::str overloaded(float, float) { return "(float, float)"; }
64     py::str overloaded(int)          const { return "(int) const"; }
65     py::str overloaded(int, float)   const { return "(int, float) const"; }
66     py::str overloaded(float, int)   const { return "(float, int) const"; }
67     py::str overloaded(int, int)     const { return "(int, int) const"; }
68     py::str overloaded(float, float) const { return "(float, float) const"; }
70     static py::str overloaded(float) { return "static float"; }
108 // py::arg/py::arg_v testing: these arguments just record their argument when invoked
152         return py::none().release();
173         return py::bool_(true).release();
178 // Test None-allowed py::arg argument policy
212     py::class_<ExampleMandA> emna(m, "ExampleMandA");
213     emna.def(py::init<>())
214         .def(py::init<int>())
215         .def(py::init<const ExampleMandA&>())
237         .def("overloaded", py::overload_cast<>(&ExampleMandA::overloaded))
238         .def("overloaded", py::overload_cast<int>(&ExampleMandA::overloaded))
239         .def("overloaded", py::overload_cast<int,   float>(&ExampleMandA::overloaded))
240         .def("overloaded", py::overload_cast<float,   int>(&ExampleMandA::overloaded))
241         .def("overloaded", py::overload_cast<int,     int>(&ExampleMandA::overloaded))
242         .def("overloaded", py::overload_cast<float, float>(&ExampleMandA::overloaded))
243         .def("overloaded_float", py::overload_cast<float, float>(&ExampleMandA::overloaded))
244         .def("overloaded_const", py::overload_cast<int         >(&ExampleMandA::overloaded, py::const_))
245         .def("overloaded_const", py::overload_cast<int,   float>(&ExampleMandA::overloaded, py::const_))
246         .def("overloaded_const", py::overload_cast<float,   int>(&ExampleMandA::overloaded, py::const_))
247         .def("overloaded_const", py::overload_cast<int,     int>(&ExampleMandA::overloaded, py::const_))
248         .def("overloaded_const", py::overload_cast<float, float>(&ExampleMandA::overloaded, py::const_))
254         .def("overloaded", static_cast<py::str (ExampleMandA::*)(float,   int)>(&ExampleMandA::overloaded))
255         .def("overloaded", static_cast<py::str (ExampleMandA::*)(int,     int)>(&ExampleMandA::overloaded))
256         .def("overloaded", static_cast<py::str (ExampleMandA::*)(float, float)>(&ExampleMandA::overloaded))
258         .def("overloaded_const", overload_cast_<int         >()(&ExampleMandA::overloaded, py::const_))
259         .def("overloaded_const", overload_cast_<int,   float>()(&ExampleMandA::overloaded, py::const_))
260         .def("overloaded_const", static_cast<py::str (ExampleMandA::*)(float,   int) const>(&ExampleMandA::overloaded))
261         .def("overloaded_const", static_cast<py::str (ExampleMandA::*)(int,     int) const>(&ExampleMandA::overloaded))
262         .def("overloaded_const", static_cast<py::str (ExampleMandA::*)(float, float) const>(&ExampleMandA::overloaded))
267             auto emna = py::reinterpret_borrow<py::class_<ExampleMandA>>(py::module::import("pybind11_tests.methods_and_attributes").attr("ExampleMandA"));
268             emna.def       ("overload_mixed1", static_cast<py::str (ExampleMandA::*)(int, int)>(&ExampleMandA::overloaded))
269                 .def_static("overload_mixed1", static_cast<py::str (              *)(float   )>(&ExampleMandA::overloaded));
272             auto emna = py::reinterpret_borrow<py::class_<ExampleMandA>>(py::module::import("pybind11_tests.methods_and_attributes").attr("ExampleMandA"));
273             emna.def_static("overload_mixed2", static_cast<py::str (              *)(float   )>(&ExampleMandA::overloaded))
274                 .def       ("overload_mixed2", static_cast<py::str (ExampleMandA::*)(int, int)>(&ExampleMandA::overloaded));
284     py::class_<TestProperties>(m, "TestProperties")
285         .def(py::init<>())
297                              [](py::object, int v) { TestProperties::static_value = v; })
299                                       [](py::object) { return TestProperties::static_get(); })
301                              [](py::object, int v) { return TestProperties::static_set(v); })
303                              [](py::object) { return TestProperties::static_get(); },
304                              [](py::object, int v) { TestProperties::static_set(v); })
306                              [](py::object cls) { return cls; },
307                              [](py::object cls, py::function f) { f(cls); });
309     py::class_<TestPropertiesOverride, TestProperties>(m, "TestPropertiesOverride")
310         .def(py::init<>())
314     auto static_get1 = [](py::object) -> const UserType & { return TestPropRVP::sv1; };
315     auto static_get2 = [](py::object) -> const UserType & { return TestPropRVP::sv2; };
316     auto static_set1 = [](py::object, int v) { TestPropRVP::sv1.set(v); };
317     auto static_set2 = [](py::object, int v) { TestPropRVP::sv2.set(v); };
318     auto rvp_copy = py::return_value_policy::copy;
321     py::class_<TestPropRVP>(m, "TestPropRVP")
322         .def(py::init<>())
325         .def_property_readonly("ro_func", py::cpp_function(&TestPropRVP::get2, rvp_copy))
328         .def_property("rw_func", py::cpp_function(&TestPropRVP::get2, rvp_copy), &TestPropRVP::set2)
331         .def_property_readonly_static("static_ro_func", py::cpp_function(static_get2, rvp_copy))
334         .def_property_static("static_rw_func", py::cpp_function(static_get2, rvp_copy), static_set2)
337         .def_property_readonly_static("static_rvalue", [](py::object) { return UserType(1); });
341     py::class_<MetaclassOverride>(m, "MetaclassOverride", py::metaclass((PyObject *) &PyType_Type))
342         .def_property_readonly_static("readonly", [](py::object) { return 1; });
351     py::class_<DynamicClass>(m, "DynamicClass", py::dynamic_attr())
352         .def(py::init());
355     py::class_<CppDerivedDynamicClass, DynamicClass>(m, "CppDerivedDynamicClass")
356         .def(py::init());
372     py::class_<ArgInspector>(m, "ArgInspector")
373         .def(py::init<>())
374         .def("f", &ArgInspector::f, py::arg(), py::arg() = ArgAlwaysConverts())
375         .def("g", &ArgInspector::g, "a"_a.noconvert(), "b"_a, "c"_a.noconvert()=13, "d"_a=ArgInspector2(), py::arg() = ArgAlwaysConverts())
376         .def_static("h", &ArgInspector::h, py::arg().noconvert(), py::arg() = ArgAlwaysConverts())
379             py::arg().noconvert(false), py::arg_v(nullptr, ArgInspector1()).noconvert(true), py::arg() = ArgAlwaysConverts());
381     m.def("floats_preferred", [](double f) { return 0.5 * f; }, py::arg("f"));
382     m.def("floats_only", [](double f) { return 0.5 * f; }, py::arg("f").noconvert());
383     m.def("ints_preferred", [](int i) { return i / 2; }, py::arg("i"));
384     m.def("ints_only", [](int i) { return i / 2; }, py::arg("i").noconvert());
394         auto m = py::module::import("pybind11_tests");
395         m.def("should_fail", [](int, UnregisteredType) {}, py::arg(), py::arg("a") = UnregisteredType());
398         auto m = py::module::import("pybind11_tests");
399         m.def("should_fail", [](int, UnregisteredType) {}, py::arg(), py::arg() = UnregisteredType());
403     py::class_<NoneTester, std::shared_ptr<NoneTester>>(m, "NoneTester")
404         .def(py::init<>());
405     m.def("no_none1", &none1, py::arg().none(false));
406     m.def("no_none2", &none2, py::arg().none(false));
407     m.def("no_none3", &none3, py::arg().none(false));
408     m.def("no_none4", &none4, py::arg().none(false));
409     m.def("no_none5", &none5, py::arg().none(false));
411     m.def("ok_none2", &none2, py::arg().none(true));
413     m.def("ok_none4", &none4, py::arg().none(true));
418     py::class_<StrIssue>(m, "StrIssue")
419         .def(py::init<int>())
420         .def(py::init<>())
431     py::class_<RegisteredDerived>(m, "RegisteredDerived")
432         .def(py::init<>())
446     using Adapted = decltype(py::method_adaptor<RegisteredDerived>(&RegisteredDerived::do_nothing));
456             py::return_value_policy::take_ownership); // Takes ownership: destroy when finished
458             py::return_value_policy::take_ownership); // Likewise (const doesn't inhibit destruction)
459     m.def("destruction_tester_cstats", &ConstructorStats::get<DestructionTester>, py::return_value_policy::reference);