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92 lines
3.6 KiB
92 lines
3.6 KiB
/*
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tests/pybind11_tests.cpp -- pybind example plugin
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Copyright (c) 2016 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 "constructor_stats.h"
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#include <functional>
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#include <list>
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/*
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For testing purposes, we define a static global variable here in a function that each individual
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test .cpp calls with its initialization lambda. It's convenient here because we can just not
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compile some test files to disable/ignore some of the test code.
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It is NOT recommended as a way to use pybind11 in practice, however: the initialization order will
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be essentially random, which is okay for our test scripts (there are no dependencies between the
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individual pybind11 test .cpp files), but most likely not what you want when using pybind11
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productively.
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Instead, see the "How can I reduce the build time?" question in the "Frequently asked questions"
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section of the documentation for good practice on splitting binding code over multiple files.
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*/
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std::list<std::function<void(py::module_ &)>> &initializers() {
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static std::list<std::function<void(py::module_ &)>> inits;
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return inits;
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}
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test_initializer::test_initializer(Initializer init) {
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initializers().emplace_back(init);
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}
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test_initializer::test_initializer(const char *submodule_name, Initializer init) {
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initializers().emplace_back([=](py::module_ &parent) {
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auto m = parent.def_submodule(submodule_name);
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init(m);
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});
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}
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void bind_ConstructorStats(py::module_ &m) {
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py::class_<ConstructorStats>(m, "ConstructorStats")
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.def("alive", &ConstructorStats::alive)
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.def("values", &ConstructorStats::values)
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.def_readwrite("default_constructions", &ConstructorStats::default_constructions)
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.def_readwrite("copy_assignments", &ConstructorStats::copy_assignments)
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.def_readwrite("move_assignments", &ConstructorStats::move_assignments)
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.def_readwrite("copy_constructions", &ConstructorStats::copy_constructions)
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.def_readwrite("move_constructions", &ConstructorStats::move_constructions)
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.def_static("get", (ConstructorStats &(*)(py::object)) &ConstructorStats::get, py::return_value_policy::reference_internal)
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// Not exactly ConstructorStats, but related: expose the internal pybind number of registered instances
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// to allow instance cleanup checks (invokes a GC first)
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.def_static("detail_reg_inst", []() {
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ConstructorStats::gc();
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return py::detail::get_internals().registered_instances.size();
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})
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;
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}
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PYBIND11_MODULE(pybind11_tests, m) {
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m.doc() = "pybind11 test module";
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bind_ConstructorStats(m);
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#if !defined(NDEBUG)
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m.attr("debug_enabled") = true;
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#else
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m.attr("debug_enabled") = false;
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#endif
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py::class_<UserType>(m, "UserType", "A `py::class_` type for testing")
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.def(py::init<>())
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.def(py::init<int>())
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.def("get_value", &UserType::value, "Get value using a method")
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.def("set_value", &UserType::set, "Set value using a method")
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.def_property("value", &UserType::value, &UserType::set, "Get/set value using a property")
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.def("__repr__", [](const UserType& u) { return "UserType({})"_s.format(u.value()); });
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py::class_<IncType, UserType>(m, "IncType")
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.def(py::init<>())
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.def(py::init<int>())
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.def("__repr__", [](const IncType& u) { return "IncType({})"_s.format(u.value()); });
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for (const auto &initializer : initializers())
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initializer(m);
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}
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