You can not select more than 25 topics
			Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
		
		
		
		
		
			
		
			
				
					
					
						
							93 lines
						
					
					
						
							3.0 KiB
						
					
					
				
			
		
		
		
			
			
			
				
					
				
				
					
				
			
		
		
	
	
							93 lines
						
					
					
						
							3.0 KiB
						
					
					
				| /* | |
|     tests/test_kwargs_and_defaults.cpp -- keyword arguments and default values | |
|  | |
|     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 <pybind11/stl.h> | |
|  | |
| std::string kw_func(int x, int y) { return "x=" + std::to_string(x) + ", y=" + std::to_string(y); } | |
| 
 | |
| std::string kw_func4(const std::vector<int> &entries) { | |
|     std::string ret = "{"; | |
|     for (int i : entries) | |
|         ret += std::to_string(i) + " "; | |
|     ret.back() = '}'; | |
|     return ret; | |
| } | |
| 
 | |
| py::tuple args_function(py::args args) { | |
|     return args; | |
| } | |
| 
 | |
| py::tuple args_kwargs_function(py::args args, py::kwargs kwargs) { | |
|     return py::make_tuple(args, kwargs); | |
| } | |
| 
 | |
| py::tuple mixed_plus_args(int i, double j, py::args args) { | |
|     return py::make_tuple(i, j, args); | |
| } | |
| 
 | |
| py::tuple mixed_plus_kwargs(int i, double j, py::kwargs kwargs) { | |
|     return py::make_tuple(i, j, kwargs); | |
| } | |
| 
 | |
| py::tuple mixed_plus_args_kwargs(int i, double j, py::args args, py::kwargs kwargs) { | |
|     return py::make_tuple(i, j, args, kwargs); | |
| } | |
| 
 | |
| // pybind11 won't allow these to be bound: args and kwargs, if present, must be at the end. | |
| void bad_args1(py::args, int) {} | |
| void bad_args2(py::kwargs, int) {} | |
| void bad_args3(py::kwargs, py::args) {} | |
| void bad_args4(py::args, int, py::kwargs) {} | |
| void bad_args5(py::args, py::kwargs, int) {} | |
| void bad_args6(py::args, py::args) {} | |
| void bad_args7(py::kwargs, py::kwargs) {} | |
| 
 | |
| struct KWClass { | |
|     void foo(int, float) {} | |
| }; | |
| 
 | |
| test_initializer arg_keywords_and_defaults([](py::module &m) { | |
|     m.def("kw_func0", &kw_func); | |
|     m.def("kw_func1", &kw_func, py::arg("x"), py::arg("y")); | |
|     m.def("kw_func2", &kw_func, py::arg("x") = 100, py::arg("y") = 200); | |
|     m.def("kw_func3", [](const char *) { }, py::arg("data") = std::string("Hello world!")); | |
| 
 | |
|     /* A fancier default argument */ | |
|     std::vector<int> list; | |
|     list.push_back(13); | |
|     list.push_back(17); | |
|     m.def("kw_func4", &kw_func4, py::arg("myList") = list); | |
| 
 | |
|     m.def("args_function", &args_function); | |
|     m.def("args_kwargs_function", &args_kwargs_function); | |
| 
 | |
|     m.def("kw_func_udl", &kw_func, "x"_a, "y"_a=300); | |
|     m.def("kw_func_udl_z", &kw_func, "x"_a, "y"_a=0); | |
| 
 | |
|     py::class_<KWClass>(m, "KWClass") | |
|         .def("foo0", &KWClass::foo) | |
|         .def("foo1", &KWClass::foo, "x"_a, "y"_a); | |
| 
 | |
|     m.def("mixed_plus_args", &mixed_plus_args); | |
|     m.def("mixed_plus_kwargs", &mixed_plus_kwargs); | |
|     m.def("mixed_plus_args_kwargs", &mixed_plus_args_kwargs); | |
| 
 | |
|     m.def("mixed_plus_args_kwargs_defaults", &mixed_plus_args_kwargs, | |
|             py::arg("i") = 1, py::arg("j") = 3.14159); | |
| 
 | |
|     // Uncomment these to test that the static_assert is indeed working: | |
| //    m.def("bad_args1", &bad_args1); | |
| //    m.def("bad_args2", &bad_args2); | |
| //    m.def("bad_args3", &bad_args3); | |
| //    m.def("bad_args4", &bad_args4); | |
| //    m.def("bad_args5", &bad_args5); | |
| //    m.def("bad_args6", &bad_args6); | |
| //    m.def("bad_args7", &bad_args7); | |
| });
 |