test_kwargs_and_defaults.cpp revision 11986
111986Sandreas.sandberg@arm.com/* 211986Sandreas.sandberg@arm.com tests/test_kwargs_and_defaults.cpp -- keyword arguments and default values 311986Sandreas.sandberg@arm.com 411986Sandreas.sandberg@arm.com Copyright (c) 2016 Wenzel Jakob <wenzel.jakob@epfl.ch> 511986Sandreas.sandberg@arm.com 611986Sandreas.sandberg@arm.com All rights reserved. Use of this source code is governed by a 711986Sandreas.sandberg@arm.com BSD-style license that can be found in the LICENSE file. 811986Sandreas.sandberg@arm.com*/ 911986Sandreas.sandberg@arm.com 1011986Sandreas.sandberg@arm.com#include "pybind11_tests.h" 1111986Sandreas.sandberg@arm.com#include <pybind11/stl.h> 1211986Sandreas.sandberg@arm.com 1311986Sandreas.sandberg@arm.comstd::string kw_func(int x, int y) { return "x=" + std::to_string(x) + ", y=" + std::to_string(y); } 1411986Sandreas.sandberg@arm.com 1511986Sandreas.sandberg@arm.comstd::string kw_func4(const std::vector<int> &entries) { 1611986Sandreas.sandberg@arm.com std::string ret = "{"; 1711986Sandreas.sandberg@arm.com for (int i : entries) 1811986Sandreas.sandberg@arm.com ret += std::to_string(i) + " "; 1911986Sandreas.sandberg@arm.com ret.back() = '}'; 2011986Sandreas.sandberg@arm.com return ret; 2111986Sandreas.sandberg@arm.com} 2211986Sandreas.sandberg@arm.com 2311986Sandreas.sandberg@arm.compy::tuple args_function(py::args args) { 2411986Sandreas.sandberg@arm.com return args; 2511986Sandreas.sandberg@arm.com} 2611986Sandreas.sandberg@arm.com 2711986Sandreas.sandberg@arm.compy::tuple args_kwargs_function(py::args args, py::kwargs kwargs) { 2811986Sandreas.sandberg@arm.com return py::make_tuple(args, kwargs); 2911986Sandreas.sandberg@arm.com} 3011986Sandreas.sandberg@arm.com 3111986Sandreas.sandberg@arm.comstruct KWClass { 3211986Sandreas.sandberg@arm.com void foo(int, float) {} 3311986Sandreas.sandberg@arm.com}; 3411986Sandreas.sandberg@arm.com 3511986Sandreas.sandberg@arm.comtest_initializer arg_keywords_and_defaults([](py::module &m) { 3611986Sandreas.sandberg@arm.com m.def("kw_func0", &kw_func); 3711986Sandreas.sandberg@arm.com m.def("kw_func1", &kw_func, py::arg("x"), py::arg("y")); 3811986Sandreas.sandberg@arm.com m.def("kw_func2", &kw_func, py::arg("x") = 100, py::arg("y") = 200); 3911986Sandreas.sandberg@arm.com m.def("kw_func3", [](const char *) { }, py::arg("data") = std::string("Hello world!")); 4011986Sandreas.sandberg@arm.com 4111986Sandreas.sandberg@arm.com /* A fancier default argument */ 4211986Sandreas.sandberg@arm.com std::vector<int> list; 4311986Sandreas.sandberg@arm.com list.push_back(13); 4411986Sandreas.sandberg@arm.com list.push_back(17); 4511986Sandreas.sandberg@arm.com m.def("kw_func4", &kw_func4, py::arg("myList") = list); 4611986Sandreas.sandberg@arm.com 4711986Sandreas.sandberg@arm.com m.def("args_function", &args_function); 4811986Sandreas.sandberg@arm.com m.def("args_kwargs_function", &args_kwargs_function); 4911986Sandreas.sandberg@arm.com 5011986Sandreas.sandberg@arm.com m.def("kw_func_udl", &kw_func, "x"_a, "y"_a=300); 5111986Sandreas.sandberg@arm.com m.def("kw_func_udl_z", &kw_func, "x"_a, "y"_a=0); 5211986Sandreas.sandberg@arm.com 5311986Sandreas.sandberg@arm.com py::class_<KWClass>(m, "KWClass") 5411986Sandreas.sandberg@arm.com .def("foo0", &KWClass::foo) 5511986Sandreas.sandberg@arm.com .def("foo1", &KWClass::foo, "x"_a, "y"_a); 5611986Sandreas.sandberg@arm.com}); 57