107 lines
4.3 KiB
C++
107 lines
4.3 KiB
C++
/*
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tests/test_local_bindings.cpp -- tests the py::module_local class feature which makes a class
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binding local to the module in which it is defined.
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Copyright (c) 2017 Jason Rhinelander <jason@imaginary.ca>
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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/stl.h>
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#include <pybind11/stl_bind.h>
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#include "local_bindings.h"
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#include "pybind11_tests.h"
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#include <numeric>
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#include <utility>
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TEST_SUBMODULE(local_bindings, m) {
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// test_load_external
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m.def("load_external1", [](ExternalType1 &e) { return e.i; });
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m.def("load_external2", [](ExternalType2 &e) { return e.i; });
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// test_local_bindings
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// Register a class with py::module_local:
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bind_local<LocalType, -1>(m, "LocalType", py::module_local()).def("get3", [](LocalType &t) {
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return t.i + 3;
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});
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m.def("local_value", [](LocalType &l) { return l.i; });
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// test_nonlocal_failure
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// The main pybind11 test module is loaded first, so this registration will succeed (the second
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// one, in pybind11_cross_module_tests.cpp, is designed to fail):
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bind_local<NonLocalType, 0>(m, "NonLocalType")
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.def(py::init<int>())
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.def("get", [](LocalType &i) { return i.i; });
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// test_duplicate_local
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// py::module_local declarations should be visible across compilation units that get linked
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// together; this tries to register a duplicate local. It depends on a definition in
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// test_class.cpp and should raise a runtime error from the duplicate definition attempt. If
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// test_class isn't available it *also* throws a runtime error (with "test_class not enabled"
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// as value).
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m.def("register_local_external", [m]() {
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auto main = py::module_::import("pybind11_tests");
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if (py::hasattr(main, "class_")) {
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bind_local<LocalExternal, 7>(m, "LocalExternal", py::module_local());
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} else {
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throw std::runtime_error("test_class not enabled");
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}
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});
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// test_stl_bind_local
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// stl_bind.h binders defaults to py::module_local if the types are local or converting:
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py::bind_vector<LocalVec>(m, "LocalVec");
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py::bind_map<LocalMap>(m, "LocalMap");
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// and global if the type (or one of the types, for the map) is global:
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py::bind_vector<NonLocalVec>(m, "NonLocalVec");
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py::bind_map<NonLocalMap>(m, "NonLocalMap");
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// test_stl_bind_global
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// They can, however, be overridden to global using `py::module_local(false)`:
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bind_local<NonLocal2, 10>(m, "NonLocal2");
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py::bind_vector<LocalVec2>(m, "LocalVec2", py::module_local());
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py::bind_map<NonLocalMap2>(m, "NonLocalMap2", py::module_local(false));
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// test_mixed_local_global
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// We try this both with the global type registered first and vice versa (the order shouldn't
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// matter).
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m.def("register_mixed_global", [m]() {
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bind_local<MixedGlobalLocal, 100>(m, "MixedGlobalLocal", py::module_local(false));
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});
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m.def("register_mixed_local", [m]() {
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bind_local<MixedLocalGlobal, 1000>(m, "MixedLocalGlobal", py::module_local());
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});
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m.def("get_mixed_gl", [](int i) { return MixedGlobalLocal(i); });
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m.def("get_mixed_lg", [](int i) { return MixedLocalGlobal(i); });
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// test_internal_locals_differ
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m.def("local_cpp_types_addr",
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[]() { return (uintptr_t) &py::detail::get_local_internals().registered_types_cpp; });
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// test_stl_caster_vs_stl_bind
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m.def("load_vector_via_caster",
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[](std::vector<int> v) { return std::accumulate(v.begin(), v.end(), 0); });
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// test_cross_module_calls
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m.def("return_self", [](LocalVec *v) { return v; });
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m.def("return_copy", [](const LocalVec &v) { return LocalVec(v); });
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class Cat : public pets::Pet {
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public:
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explicit Cat(std::string name) : Pet(std::move(name)) {}
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};
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py::class_<pets::Pet>(m, "Pet", py::module_local()).def("get_name", &pets::Pet::name);
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// Binding for local extending class:
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py::class_<Cat, pets::Pet>(m, "Cat").def(py::init<std::string>());
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m.def("pet_name", [](pets::Pet &p) { return p.name(); });
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py::class_<MixGL>(m, "MixGL").def(py::init<int>());
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m.def("get_gl_value", [](MixGL &o) { return o.i + 10; });
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py::class_<MixGL2>(m, "MixGL2").def(py::init<int>());
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}
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