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814 lines
30 KiB
814 lines
30 KiB
/*
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tests/test_pytypes.cpp -- Python type casters
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Copyright (c) 2017 Wenzel Jakob <wenzel.jakob@epfl.ch>
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All rights reserved. Use of this source code is governed by a
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BSD-style license that can be found in the LICENSE file.
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*/
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#include "pybind11_tests.h"
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#include <utility>
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namespace external {
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namespace detail {
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bool check(PyObject *o) { return PyFloat_Check(o) != 0; }
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PyObject *conv(PyObject *o) {
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PyObject *ret = nullptr;
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if (PyLong_Check(o)) {
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double v = PyLong_AsDouble(o);
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if (!(v == -1.0 && PyErr_Occurred())) {
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ret = PyFloat_FromDouble(v);
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}
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} else {
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PyErr_SetString(PyExc_TypeError, "Unexpected type");
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}
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return ret;
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}
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PyObject *default_constructed() { return PyFloat_FromDouble(0.0); }
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} // namespace detail
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class float_ : public py::object {
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PYBIND11_OBJECT_CVT(float_, py::object, external::detail::check, external::detail::conv)
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float_() : py::object(external::detail::default_constructed(), stolen_t{}) {}
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double get_value() const { return PyFloat_AsDouble(this->ptr()); }
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};
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} // namespace external
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namespace implicit_conversion_from_0_to_handle {
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// Uncomment to trigger compiler error. Note: Before PR #4008 this used to compile successfully.
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// void expected_to_trigger_compiler_error() { py::handle(0); }
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} // namespace implicit_conversion_from_0_to_handle
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// Used to validate systematically that PR #4008 does/did NOT change the behavior.
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void pure_compile_tests_for_handle_from_PyObject_pointers() {
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{
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PyObject *ptr = Py_None;
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py::handle{ptr};
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}
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{
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PyObject *const ptr = Py_None;
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py::handle{ptr};
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}
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// Uncomment to trigger compiler errors.
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// PyObject const * ptr = Py_None; py::handle{ptr};
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// PyObject const *const ptr = Py_None; py::handle{ptr};
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// PyObject volatile * ptr = Py_None; py::handle{ptr};
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// PyObject volatile *const ptr = Py_None; py::handle{ptr};
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// PyObject const volatile * ptr = Py_None; py::handle{ptr};
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// PyObject const volatile *const ptr = Py_None; py::handle{ptr};
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}
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namespace handle_from_move_only_type_with_operator_PyObject {
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// Reduced from
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// https://github.com/pytorch/pytorch/blob/279634f384662b7c3a9f8bf7ccc3a6afd2f05657/torch/csrc/utils/object_ptr.h
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struct operator_ncnst {
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operator_ncnst() = default;
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operator_ncnst(operator_ncnst &&) = default;
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operator PyObject *() /* */ { return Py_None; } // NOLINT(google-explicit-constructor)
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};
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struct operator_const {
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operator_const() = default;
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operator_const(operator_const &&) = default;
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operator PyObject *() const { return Py_None; } // NOLINT(google-explicit-constructor)
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};
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bool from_ncnst() {
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operator_ncnst obj;
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auto h = py::handle(obj); // Critical part of test: does this compile?
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return h.ptr() == Py_None; // Just something.
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}
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bool from_const() {
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operator_const obj;
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auto h = py::handle(obj); // Critical part of test: does this compile?
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return h.ptr() == Py_None; // Just something.
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}
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void m_defs(py::module_ &m) {
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m.def("handle_from_move_only_type_with_operator_PyObject_ncnst", from_ncnst);
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m.def("handle_from_move_only_type_with_operator_PyObject_const", from_const);
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}
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} // namespace handle_from_move_only_type_with_operator_PyObject
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TEST_SUBMODULE(pytypes, m) {
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m.def("obj_class_name", [](py::handle obj) { return py::detail::obj_class_name(obj.ptr()); });
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handle_from_move_only_type_with_operator_PyObject::m_defs(m);
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// test_bool
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m.def("get_bool", [] { return py::bool_(false); });
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// test_int
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m.def("get_int", [] { return py::int_(0); });
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// test_iterator
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m.def("get_iterator", [] { return py::iterator(); });
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// test_iterable
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m.def("get_iterable", [] { return py::iterable(); });
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m.def("get_frozenset_from_iterable",
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[](const py::iterable &iter) { return py::frozenset(iter); });
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m.def("get_list_from_iterable", [](const py::iterable &iter) { return py::list(iter); });
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m.def("get_set_from_iterable", [](const py::iterable &iter) { return py::set(iter); });
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m.def("get_tuple_from_iterable", [](const py::iterable &iter) { return py::tuple(iter); });
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// test_float
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m.def("get_float", [] { return py::float_(0.0f); });
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// test_list
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m.def("list_no_args", []() { return py::list{}; });
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m.def("list_ssize_t", []() { return py::list{(py::ssize_t) 0}; });
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m.def("list_size_t", []() { return py::list{(py::size_t) 0}; });
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m.def("list_insert_ssize_t", [](py::list *l) { return l->insert((py::ssize_t) 1, 83); });
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m.def("list_insert_size_t", [](py::list *l) { return l->insert((py::size_t) 3, 57); });
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m.def("get_list", []() {
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py::list list;
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list.append("value");
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py::print("Entry at position 0:", list[0]);
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list[0] = py::str("overwritten");
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list.insert(0, "inserted-0");
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list.insert(2, "inserted-2");
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return list;
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});
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m.def("print_list", [](const py::list &list) {
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int index = 0;
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for (auto item : list) {
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py::print("list item {}: {}"_s.format(index++, item));
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}
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});
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// test_none
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m.def("get_none", [] { return py::none(); });
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m.def("print_none", [](const py::none &none) { py::print("none: {}"_s.format(none)); });
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// test_set, test_frozenset
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m.def("get_set", []() {
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py::set set;
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set.add(py::str("key1"));
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set.add("key2");
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set.add(std::string("key3"));
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return set;
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});
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m.def("get_frozenset", []() {
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py::set set;
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set.add(py::str("key1"));
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set.add("key2");
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set.add(std::string("key3"));
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return py::frozenset(set);
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});
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m.def("print_anyset", [](const py::anyset &set) {
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for (auto item : set) {
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py::print("key:", item);
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}
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});
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m.def("anyset_size", [](const py::anyset &set) { return set.size(); });
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m.def("anyset_empty", [](const py::anyset &set) { return set.empty(); });
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m.def("anyset_contains",
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[](const py::anyset &set, const py::object &key) { return set.contains(key); });
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m.def("anyset_contains",
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[](const py::anyset &set, const char *key) { return set.contains(key); });
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m.def("set_add", [](py::set &set, const py::object &key) { set.add(key); });
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m.def("set_clear", [](py::set &set) { set.clear(); });
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// test_dict
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m.def("get_dict", []() { return py::dict("key"_a = "value"); });
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m.def("print_dict", [](const py::dict &dict) {
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for (auto item : dict) {
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py::print("key: {}, value={}"_s.format(item.first, item.second));
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}
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});
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m.def("dict_keyword_constructor", []() {
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auto d1 = py::dict("x"_a = 1, "y"_a = 2);
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auto d2 = py::dict("z"_a = 3, **d1);
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return d2;
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});
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m.def("dict_contains",
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[](const py::dict &dict, const py::object &val) { return dict.contains(val); });
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m.def("dict_contains",
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[](const py::dict &dict, const char *val) { return dict.contains(val); });
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// test_tuple
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m.def("tuple_no_args", []() { return py::tuple{}; });
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m.def("tuple_ssize_t", []() { return py::tuple{(py::ssize_t) 0}; });
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m.def("tuple_size_t", []() { return py::tuple{(py::size_t) 0}; });
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m.def("get_tuple", []() { return py::make_tuple(42, py::none(), "spam"); });
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// test_simple_namespace
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m.def("get_simple_namespace", []() {
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auto ns = py::module_::import("types").attr("SimpleNamespace")(
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"attr"_a = 42, "x"_a = "foo", "wrong"_a = 1);
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py::delattr(ns, "wrong");
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py::setattr(ns, "right", py::int_(2));
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return ns;
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});
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// test_str
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m.def("str_from_char_ssize_t", []() { return py::str{"red", (py::ssize_t) 3}; });
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m.def("str_from_char_size_t", []() { return py::str{"blue", (py::size_t) 4}; });
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m.def("str_from_string", []() { return py::str(std::string("baz")); });
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m.def("str_from_std_string_input", [](const std::string &stri) { return py::str(stri); });
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m.def("str_from_cstr_input", [](const char *c_str) { return py::str(c_str); });
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m.def("str_from_bytes", []() { return py::str(py::bytes("boo", 3)); });
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m.def("str_from_bytes_input",
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[](const py::bytes &encoded_str) { return py::str(encoded_str); });
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m.def("str_from_object", [](const py::object &obj) { return py::str(obj); });
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m.def("repr_from_object", [](const py::object &obj) { return py::repr(obj); });
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m.def("str_from_handle", [](py::handle h) { return py::str(h); });
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m.def("str_from_string_from_str",
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[](const py::str &obj) { return py::str(static_cast<std::string>(obj)); });
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m.def("str_format", []() {
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auto s1 = "{} + {} = {}"_s.format(1, 2, 3);
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auto s2 = "{a} + {b} = {c}"_s.format("a"_a = 1, "b"_a = 2, "c"_a = 3);
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return py::make_tuple(s1, s2);
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});
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// test_bytes
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m.def("bytes_from_char_ssize_t", []() { return py::bytes{"green", (py::ssize_t) 5}; });
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m.def("bytes_from_char_size_t", []() { return py::bytes{"purple", (py::size_t) 6}; });
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m.def("bytes_from_string", []() { return py::bytes(std::string("foo")); });
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m.def("bytes_from_str", []() { return py::bytes(py::str("bar", 3)); });
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// test bytearray
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m.def("bytearray_from_char_ssize_t", []() { return py::bytearray{"$%", (py::ssize_t) 2}; });
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m.def("bytearray_from_char_size_t", []() { return py::bytearray{"@$!", (py::size_t) 3}; });
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m.def("bytearray_from_string", []() { return py::bytearray(std::string("foo")); });
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m.def("bytearray_size", []() { return py::bytearray("foo").size(); });
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// test_capsule
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m.def("return_capsule_with_destructor", []() {
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py::print("creating capsule");
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return py::capsule([]() { py::print("destructing capsule"); });
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});
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m.def("return_renamed_capsule_with_destructor", []() {
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py::print("creating capsule");
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auto cap = py::capsule([]() { py::print("destructing capsule"); });
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static const char *capsule_name = "test_name1";
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py::print("renaming capsule");
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cap.set_name(capsule_name);
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return cap;
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});
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m.def("return_capsule_with_destructor_2", []() {
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py::print("creating capsule");
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return py::capsule((void *) 1234, [](void *ptr) {
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py::print("destructing capsule: {}"_s.format((size_t) ptr));
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});
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});
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m.def("return_renamed_capsule_with_destructor_2", []() {
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py::print("creating capsule");
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auto cap = py::capsule((void *) 1234, [](void *ptr) {
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py::print("destructing capsule: {}"_s.format((size_t) ptr));
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});
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static const char *capsule_name = "test_name2";
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py::print("renaming capsule");
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cap.set_name(capsule_name);
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return cap;
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});
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m.def("return_capsule_with_name_and_destructor", []() {
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auto capsule = py::capsule((void *) 12345, "pointer type description", [](PyObject *ptr) {
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if (ptr) {
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const auto *name = PyCapsule_GetName(ptr);
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py::print("destructing capsule ({}, '{}')"_s.format(
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(size_t) PyCapsule_GetPointer(ptr, name), name));
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}
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});
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capsule.set_pointer((void *) 1234);
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// Using get_pointer<T>()
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void *contents1 = static_cast<void *>(capsule);
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void *contents2 = capsule.get_pointer();
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void *contents3 = capsule.get_pointer<void>();
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auto result1 = reinterpret_cast<size_t>(contents1);
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auto result2 = reinterpret_cast<size_t>(contents2);
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auto result3 = reinterpret_cast<size_t>(contents3);
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py::print(
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"created capsule ({}, '{}')"_s.format(result1 & result2 & result3, capsule.name()));
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return capsule;
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});
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m.def("return_capsule_with_explicit_nullptr_dtor", []() {
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py::print("creating capsule with explicit nullptr dtor");
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return py::capsule(reinterpret_cast<void *>(1234),
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static_cast<void (*)(void *)>(nullptr)); // PR #4221
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});
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// test_accessors
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m.def("accessor_api", [](const py::object &o) {
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auto d = py::dict();
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d["basic_attr"] = o.attr("basic_attr");
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auto l = py::list();
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for (auto item : o.attr("begin_end")) {
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l.append(item);
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}
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d["begin_end"] = l;
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d["operator[object]"] = o.attr("d")["operator[object]"_s];
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d["operator[char *]"] = o.attr("d")["operator[char *]"];
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d["attr(object)"] = o.attr("sub").attr("attr_obj");
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d["attr(char *)"] = o.attr("sub").attr("attr_char");
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try {
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o.attr("sub").attr("missing").ptr();
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} catch (const py::error_already_set &) {
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d["missing_attr_ptr"] = "raised"_s;
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}
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try {
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o.attr("missing").attr("doesn't matter");
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} catch (const py::error_already_set &) {
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d["missing_attr_chain"] = "raised"_s;
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}
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d["is_none"] = o.attr("basic_attr").is_none();
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d["operator()"] = o.attr("func")(1);
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d["operator*"] = o.attr("func")(*o.attr("begin_end"));
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// Test implicit conversion
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py::list implicit_list = o.attr("begin_end");
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d["implicit_list"] = implicit_list;
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py::dict implicit_dict = o.attr("__dict__");
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d["implicit_dict"] = implicit_dict;
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return d;
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});
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m.def("tuple_accessor", [](const py::tuple &existing_t) {
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try {
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existing_t[0] = 1;
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} catch (const py::error_already_set &) {
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// --> Python system error
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// Only new tuples (refcount == 1) are mutable
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auto new_t = py::tuple(3);
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for (size_t i = 0; i < new_t.size(); ++i) {
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new_t[i] = i;
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}
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return new_t;
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}
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return py::tuple();
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});
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m.def("accessor_assignment", []() {
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auto l = py::list(1);
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l[0] = 0;
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auto d = py::dict();
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d["get"] = l[0];
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auto var = l[0];
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d["deferred_get"] = var;
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l[0] = 1;
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d["set"] = l[0];
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var = 99; // this assignment should not overwrite l[0]
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d["deferred_set"] = l[0];
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d["var"] = var;
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return d;
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});
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m.def("accessor_moves", []() { // See PR #3970
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py::list return_list;
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#ifdef PYBIND11_HANDLE_REF_DEBUG
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py::int_ py_int_0(0);
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py::int_ py_int_42(42);
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py::str py_str_count("count");
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auto tup = py::make_tuple(0);
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py::sequence seq(tup);
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py::list lst;
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lst.append(0);
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# define PYBIND11_LOCAL_DEF(...) \
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{ \
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std::size_t inc_refs = py::handle::inc_ref_counter(); \
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__VA_ARGS__; \
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inc_refs = py::handle::inc_ref_counter() - inc_refs; \
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return_list.append(inc_refs); \
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}
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PYBIND11_LOCAL_DEF(tup[py_int_0]) // l-value (to have a control)
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PYBIND11_LOCAL_DEF(tup[py::int_(0)]) // r-value
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PYBIND11_LOCAL_DEF(tup.attr(py_str_count)) // l-value
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PYBIND11_LOCAL_DEF(tup.attr(py::str("count"))) // r-value
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PYBIND11_LOCAL_DEF(seq[py_int_0]) // l-value
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PYBIND11_LOCAL_DEF(seq[py::int_(0)]) // r-value
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PYBIND11_LOCAL_DEF(seq.attr(py_str_count)) // l-value
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PYBIND11_LOCAL_DEF(seq.attr(py::str("count"))) // r-value
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PYBIND11_LOCAL_DEF(lst[py_int_0]) // l-value
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PYBIND11_LOCAL_DEF(lst[py::int_(0)]) // r-value
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PYBIND11_LOCAL_DEF(lst.attr(py_str_count)) // l-value
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PYBIND11_LOCAL_DEF(lst.attr(py::str("count"))) // r-value
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auto lst_acc = lst[py::int_(0)];
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lst_acc = py::int_(42); // Detaches lst_acc from lst.
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PYBIND11_LOCAL_DEF(lst_acc = py_int_42) // l-value
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PYBIND11_LOCAL_DEF(lst_acc = py::int_(42)) // r-value
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# undef PYBIND11_LOCAL_DEF
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#endif
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return return_list;
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});
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// test_constructors
|
|
m.def("default_constructors", []() {
|
|
return py::dict("bytes"_a = py::bytes(),
|
|
"bytearray"_a = py::bytearray(),
|
|
"str"_a = py::str(),
|
|
"bool"_a = py::bool_(),
|
|
"int"_a = py::int_(),
|
|
"float"_a = py::float_(),
|
|
"tuple"_a = py::tuple(),
|
|
"list"_a = py::list(),
|
|
"dict"_a = py::dict(),
|
|
"set"_a = py::set());
|
|
});
|
|
|
|
m.def("converting_constructors", [](const py::dict &d) {
|
|
return py::dict("bytes"_a = py::bytes(d["bytes"]),
|
|
"bytearray"_a = py::bytearray(d["bytearray"]),
|
|
"str"_a = py::str(d["str"]),
|
|
"bool"_a = py::bool_(d["bool"]),
|
|
"int"_a = py::int_(d["int"]),
|
|
"float"_a = py::float_(d["float"]),
|
|
"tuple"_a = py::tuple(d["tuple"]),
|
|
"list"_a = py::list(d["list"]),
|
|
"dict"_a = py::dict(d["dict"]),
|
|
"set"_a = py::set(d["set"]),
|
|
"frozenset"_a = py::frozenset(d["frozenset"]),
|
|
"memoryview"_a = py::memoryview(d["memoryview"]));
|
|
});
|
|
|
|
m.def("cast_functions", [](const py::dict &d) {
|
|
// When converting between Python types, obj.cast<T>() should be the same as T(obj)
|
|
return py::dict("bytes"_a = d["bytes"].cast<py::bytes>(),
|
|
"bytearray"_a = d["bytearray"].cast<py::bytearray>(),
|
|
"str"_a = d["str"].cast<py::str>(),
|
|
"bool"_a = d["bool"].cast<py::bool_>(),
|
|
"int"_a = d["int"].cast<py::int_>(),
|
|
"float"_a = d["float"].cast<py::float_>(),
|
|
"tuple"_a = d["tuple"].cast<py::tuple>(),
|
|
"list"_a = d["list"].cast<py::list>(),
|
|
"dict"_a = d["dict"].cast<py::dict>(),
|
|
"set"_a = d["set"].cast<py::set>(),
|
|
"frozenset"_a = d["frozenset"].cast<py::frozenset>(),
|
|
"memoryview"_a = d["memoryview"].cast<py::memoryview>());
|
|
});
|
|
|
|
m.def("convert_to_pybind11_str", [](const py::object &o) { return py::str(o); });
|
|
|
|
m.def("nonconverting_constructor",
|
|
[](const std::string &type, py::object value, bool move) -> py::object {
|
|
if (type == "bytes") {
|
|
return move ? py::bytes(std::move(value)) : py::bytes(value);
|
|
}
|
|
if (type == "none") {
|
|
return move ? py::none(std::move(value)) : py::none(value);
|
|
}
|
|
if (type == "ellipsis") {
|
|
return move ? py::ellipsis(std::move(value)) : py::ellipsis(value);
|
|
}
|
|
if (type == "type") {
|
|
return move ? py::type(std::move(value)) : py::type(value);
|
|
}
|
|
throw std::runtime_error("Invalid type");
|
|
});
|
|
|
|
m.def("get_implicit_casting", []() {
|
|
py::dict d;
|
|
d["char*_i1"] = "abc";
|
|
const char *c2 = "abc";
|
|
d["char*_i2"] = c2;
|
|
d["char*_e"] = py::cast(c2);
|
|
d["char*_p"] = py::str(c2);
|
|
|
|
d["int_i1"] = 42;
|
|
int i = 42;
|
|
d["int_i2"] = i;
|
|
i++;
|
|
d["int_e"] = py::cast(i);
|
|
i++;
|
|
d["int_p"] = py::int_(i);
|
|
|
|
d["str_i1"] = std::string("str");
|
|
std::string s2("str1");
|
|
d["str_i2"] = s2;
|
|
s2[3] = '2';
|
|
d["str_e"] = py::cast(s2);
|
|
s2[3] = '3';
|
|
d["str_p"] = py::str(s2);
|
|
|
|
py::list l(2);
|
|
l[0] = 3;
|
|
l[1] = py::cast(6);
|
|
l.append(9);
|
|
l.append(py::cast(12));
|
|
l.append(py::int_(15));
|
|
|
|
return py::dict("d"_a = d, "l"_a = l);
|
|
});
|
|
|
|
// test_print
|
|
m.def("print_function", []() {
|
|
py::print("Hello, World!");
|
|
py::print(1, 2.0, "three", true, std::string("-- multiple args"));
|
|
auto args = py::make_tuple("and", "a", "custom", "separator");
|
|
py::print("*args", *args, "sep"_a = "-");
|
|
py::print("no new line here", "end"_a = " -- ");
|
|
py::print("next print");
|
|
|
|
auto py_stderr = py::module_::import("sys").attr("stderr");
|
|
py::print("this goes to stderr", "file"_a = py_stderr);
|
|
|
|
py::print("flush", "flush"_a = true);
|
|
|
|
py::print(
|
|
"{a} + {b} = {c}"_s.format("a"_a = "py::print", "b"_a = "str.format", "c"_a = "this"));
|
|
});
|
|
|
|
m.def("print_failure", []() { py::print(42, UnregisteredType()); });
|
|
|
|
m.def("hash_function", [](py::object obj) { return py::hash(std::move(obj)); });
|
|
|
|
m.def("obj_contains",
|
|
[](py::object &obj, const py::object &key) { return obj.contains(key); });
|
|
|
|
m.def("test_number_protocol", [](const py::object &a, const py::object &b) {
|
|
py::list l;
|
|
l.append(a.equal(b));
|
|
l.append(a.not_equal(b));
|
|
l.append(a < b);
|
|
l.append(a <= b);
|
|
l.append(a > b);
|
|
l.append(a >= b);
|
|
l.append(a + b);
|
|
l.append(a - b);
|
|
l.append(a * b);
|
|
l.append(a / b);
|
|
l.append(a | b);
|
|
l.append(a & b);
|
|
l.append(a ^ b);
|
|
l.append(a >> b);
|
|
l.append(a << b);
|
|
return l;
|
|
});
|
|
|
|
m.def("test_list_slicing", [](const py::list &a) { return a[py::slice(0, -1, 2)]; });
|
|
|
|
// See #2361
|
|
m.def("issue2361_str_implicit_copy_none", []() {
|
|
py::str is_this_none = py::none();
|
|
return is_this_none;
|
|
});
|
|
m.def("issue2361_dict_implicit_copy_none", []() {
|
|
py::dict is_this_none = py::none();
|
|
return is_this_none;
|
|
});
|
|
|
|
m.def("test_memoryview_object", [](const py::buffer &b) { return py::memoryview(b); });
|
|
|
|
m.def("test_memoryview_buffer_info",
|
|
[](const py::buffer &b) { return py::memoryview(b.request()); });
|
|
|
|
m.def("test_memoryview_from_buffer", [](bool is_unsigned) {
|
|
static const int16_t si16[] = {3, 1, 4, 1, 5};
|
|
static const uint16_t ui16[] = {2, 7, 1, 8};
|
|
if (is_unsigned) {
|
|
return py::memoryview::from_buffer(ui16, {4}, {sizeof(uint16_t)});
|
|
}
|
|
return py::memoryview::from_buffer(si16, {5}, {sizeof(int16_t)});
|
|
});
|
|
|
|
m.def("test_memoryview_from_buffer_nativeformat", []() {
|
|
static const char *format = "@i";
|
|
static const int32_t arr[] = {4, 7, 5};
|
|
return py::memoryview::from_buffer(arr, sizeof(int32_t), format, {3}, {sizeof(int32_t)});
|
|
});
|
|
|
|
m.def("test_memoryview_from_buffer_empty_shape", []() {
|
|
static const char *buf = "";
|
|
return py::memoryview::from_buffer(buf, 1, "B", {}, {});
|
|
});
|
|
|
|
m.def("test_memoryview_from_buffer_invalid_strides", []() {
|
|
static const char *buf = "\x02\x03\x04";
|
|
return py::memoryview::from_buffer(buf, 1, "B", {3}, {});
|
|
});
|
|
|
|
m.def("test_memoryview_from_buffer_nullptr", []() {
|
|
return py::memoryview::from_buffer(static_cast<void *>(nullptr), 1, "B", {}, {});
|
|
});
|
|
|
|
m.def("test_memoryview_from_memory", []() {
|
|
const char *buf = "\xff\xe1\xab\x37";
|
|
return py::memoryview::from_memory(buf, static_cast<py::ssize_t>(strlen(buf)));
|
|
});
|
|
|
|
// test_builtin_functions
|
|
m.def("get_len", [](py::handle h) { return py::len(h); });
|
|
|
|
#ifdef PYBIND11_STR_LEGACY_PERMISSIVE
|
|
m.attr("PYBIND11_STR_LEGACY_PERMISSIVE") = true;
|
|
#endif
|
|
|
|
m.def("isinstance_pybind11_bytes",
|
|
[](py::object o) { return py::isinstance<py::bytes>(std::move(o)); });
|
|
m.def("isinstance_pybind11_str",
|
|
[](py::object o) { return py::isinstance<py::str>(std::move(o)); });
|
|
|
|
m.def("pass_to_pybind11_bytes", [](py::bytes b) { return py::len(std::move(b)); });
|
|
m.def("pass_to_pybind11_str", [](py::str s) { return py::len(std::move(s)); });
|
|
m.def("pass_to_std_string", [](const std::string &s) { return s.size(); });
|
|
|
|
// test_weakref
|
|
m.def("weakref_from_handle", [](py::handle h) { return py::weakref(h); });
|
|
m.def("weakref_from_handle_and_function",
|
|
[](py::handle h, py::function f) { return py::weakref(h, std::move(f)); });
|
|
m.def("weakref_from_object", [](const py::object &o) { return py::weakref(o); });
|
|
m.def("weakref_from_object_and_function",
|
|
[](py::object o, py::function f) { return py::weakref(std::move(o), std::move(f)); });
|
|
|
|
// See PR #3263 for background (https://github.com/pybind/pybind11/pull/3263):
|
|
// pytypes.h could be changed to enforce the "most correct" user code below, by removing
|
|
// `const` from iterator `reference` using type aliases, but that will break existing
|
|
// user code.
|
|
#if (defined(__APPLE__) && defined(__clang__)) || defined(PYPY_VERSION)
|
|
// This is "most correct" and enforced on these platforms.
|
|
# define PYBIND11_AUTO_IT auto it
|
|
#else
|
|
// This works on many platforms and is (unfortunately) reflective of existing user code.
|
|
// NOLINTNEXTLINE(bugprone-macro-parentheses)
|
|
# define PYBIND11_AUTO_IT auto &it
|
|
#endif
|
|
|
|
m.def("tuple_iterator", []() {
|
|
auto tup = py::make_tuple(5, 7);
|
|
int tup_sum = 0;
|
|
for (PYBIND11_AUTO_IT : tup) {
|
|
tup_sum += it.cast<int>();
|
|
}
|
|
return tup_sum;
|
|
});
|
|
|
|
m.def("dict_iterator", []() {
|
|
py::dict dct;
|
|
dct[py::int_(3)] = 5;
|
|
dct[py::int_(7)] = 11;
|
|
int kv_sum = 0;
|
|
for (PYBIND11_AUTO_IT : dct) {
|
|
kv_sum += it.first.cast<int>() * 100 + it.second.cast<int>();
|
|
}
|
|
return kv_sum;
|
|
});
|
|
|
|
m.def("passed_iterator", [](const py::iterator &py_it) {
|
|
int elem_sum = 0;
|
|
for (PYBIND11_AUTO_IT : py_it) {
|
|
elem_sum += it.cast<int>();
|
|
}
|
|
return elem_sum;
|
|
});
|
|
|
|
#undef PYBIND11_AUTO_IT
|
|
|
|
// Tests below this line are for pybind11 IMPLEMENTATION DETAILS:
|
|
|
|
m.def("sequence_item_get_ssize_t", [](const py::object &o) {
|
|
return py::detail::accessor_policies::sequence_item::get(o, (py::ssize_t) 1);
|
|
});
|
|
m.def("sequence_item_set_ssize_t", [](const py::object &o) {
|
|
auto s = py::str{"peppa", 5};
|
|
py::detail::accessor_policies::sequence_item::set(o, (py::ssize_t) 1, s);
|
|
});
|
|
m.def("sequence_item_get_size_t", [](const py::object &o) {
|
|
return py::detail::accessor_policies::sequence_item::get(o, (py::size_t) 2);
|
|
});
|
|
m.def("sequence_item_set_size_t", [](const py::object &o) {
|
|
auto s = py::str{"george", 6};
|
|
py::detail::accessor_policies::sequence_item::set(o, (py::size_t) 2, s);
|
|
});
|
|
m.def("list_item_get_ssize_t", [](const py::object &o) {
|
|
return py::detail::accessor_policies::list_item::get(o, (py::ssize_t) 3);
|
|
});
|
|
m.def("list_item_set_ssize_t", [](const py::object &o) {
|
|
auto s = py::str{"rebecca", 7};
|
|
py::detail::accessor_policies::list_item::set(o, (py::ssize_t) 3, s);
|
|
});
|
|
m.def("list_item_get_size_t", [](const py::object &o) {
|
|
return py::detail::accessor_policies::list_item::get(o, (py::size_t) 4);
|
|
});
|
|
m.def("list_item_set_size_t", [](const py::object &o) {
|
|
auto s = py::str{"richard", 7};
|
|
py::detail::accessor_policies::list_item::set(o, (py::size_t) 4, s);
|
|
});
|
|
m.def("tuple_item_get_ssize_t", [](const py::object &o) {
|
|
return py::detail::accessor_policies::tuple_item::get(o, (py::ssize_t) 5);
|
|
});
|
|
m.def("tuple_item_set_ssize_t", []() {
|
|
auto s0 = py::str{"emely", 5};
|
|
auto s1 = py::str{"edmond", 6};
|
|
auto o = py::tuple{2};
|
|
py::detail::accessor_policies::tuple_item::set(o, (py::ssize_t) 0, s0);
|
|
py::detail::accessor_policies::tuple_item::set(o, (py::ssize_t) 1, s1);
|
|
return o;
|
|
});
|
|
m.def("tuple_item_get_size_t", [](const py::object &o) {
|
|
return py::detail::accessor_policies::tuple_item::get(o, (py::size_t) 6);
|
|
});
|
|
m.def("tuple_item_set_size_t", []() {
|
|
auto s0 = py::str{"candy", 5};
|
|
auto s1 = py::str{"cat", 3};
|
|
auto o = py::tuple{2};
|
|
py::detail::accessor_policies::tuple_item::set(o, (py::size_t) 1, s1);
|
|
py::detail::accessor_policies::tuple_item::set(o, (py::size_t) 0, s0);
|
|
return o;
|
|
});
|
|
|
|
m.def("square_float_", [](const external::float_ &x) -> double {
|
|
double v = x.get_value();
|
|
return v * v;
|
|
});
|
|
|
|
m.def("tuple_rvalue_getter", [](const py::tuple &tup) {
|
|
// tests accessing tuple object with rvalue int
|
|
for (size_t i = 0; i < tup.size(); i++) {
|
|
auto o = py::handle(tup[py::int_(i)]);
|
|
if (!o) {
|
|
throw py::value_error("tuple is malformed");
|
|
}
|
|
}
|
|
return tup;
|
|
});
|
|
m.def("list_rvalue_getter", [](const py::list &l) {
|
|
// tests accessing list with rvalue int
|
|
for (size_t i = 0; i < l.size(); i++) {
|
|
auto o = py::handle(l[py::int_(i)]);
|
|
if (!o) {
|
|
throw py::value_error("list is malformed");
|
|
}
|
|
}
|
|
return l;
|
|
});
|
|
m.def("populate_dict_rvalue", [](int population) {
|
|
auto d = py::dict();
|
|
for (int i = 0; i < population; i++) {
|
|
d[py::int_(i)] = py::int_(i);
|
|
}
|
|
return d;
|
|
});
|
|
m.def("populate_obj_str_attrs", [](py::object &o, int population) {
|
|
for (int i = 0; i < population; i++) {
|
|
o.attr(py::str(py::int_(i))) = py::str(py::int_(i));
|
|
}
|
|
return o;
|
|
});
|
|
|
|
// testing immutable object augmented assignment: #issue 3812
|
|
m.def("inplace_append", [](py::object &a, const py::object &b) {
|
|
a += b;
|
|
return a;
|
|
});
|
|
m.def("inplace_subtract", [](py::object &a, const py::object &b) {
|
|
a -= b;
|
|
return a;
|
|
});
|
|
m.def("inplace_multiply", [](py::object &a, const py::object &b) {
|
|
a *= b;
|
|
return a;
|
|
});
|
|
m.def("inplace_divide", [](py::object &a, const py::object &b) {
|
|
a /= b;
|
|
return a;
|
|
});
|
|
m.def("inplace_or", [](py::object &a, const py::object &b) {
|
|
a |= b;
|
|
return a;
|
|
});
|
|
m.def("inplace_and", [](py::object &a, const py::object &b) {
|
|
a &= b;
|
|
return a;
|
|
});
|
|
m.def("inplace_lshift", [](py::object &a, const py::object &b) {
|
|
a <<= b;
|
|
return a;
|
|
});
|
|
m.def("inplace_rshift", [](py::object &a, const py::object &b) {
|
|
a >>= b;
|
|
return a;
|
|
});
|
|
}
|
|
|