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Merge pull request #458 from dean0x7d/fix-property
Fix def_property and related functions
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commit
18e9590ca9
@ -44,12 +44,12 @@ public:
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/// Construct a cpp_function from a vanilla function pointer
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template <typename Return, typename... Args, typename... Extra>
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explicit cpp_function(Return (*f)(Args...), const Extra&... extra) {
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cpp_function(Return (*f)(Args...), const Extra&... extra) {
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initialize(f, f, extra...);
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}
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/// Construct a cpp_function from a lambda function (possibly with internal state)
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template <typename Func, typename... Extra> explicit cpp_function(Func &&f, const Extra&... extra) {
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template <typename Func, typename... Extra> cpp_function(Func &&f, const Extra&... extra) {
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initialize(std::forward<Func>(f),
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(typename detail::remove_class<decltype(
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&std::remove_reference<Func>::type::operator())>::type *) nullptr, extra...);
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@ -57,14 +57,14 @@ public:
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/// Construct a cpp_function from a class method (non-const)
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template <typename Return, typename Class, typename... Arg, typename... Extra>
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explicit cpp_function(Return (Class::*f)(Arg...), const Extra&... extra) {
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cpp_function(Return (Class::*f)(Arg...), const Extra&... extra) {
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initialize([f](Class *c, Arg... args) -> Return { return (c->*f)(args...); },
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(Return (*) (Class *, Arg...)) nullptr, extra...);
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}
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/// Construct a cpp_function from a class method (const)
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template <typename Return, typename Class, typename... Arg, typename... Extra>
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explicit cpp_function(Return (Class::*f)(Arg...) const, const Extra&... extra) {
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cpp_function(Return (Class::*f)(Arg...) const, const Extra&... extra) {
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initialize([f](const Class *c, Arg... args) -> Return { return (c->*f)(args...); },
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(Return (*)(const Class *, Arg ...)) nullptr, extra...);
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}
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@ -53,6 +53,19 @@ public:
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int value = 0;
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};
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struct TestProperties {
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int value = 1;
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static int static_value;
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int get() const { return value; }
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void set(int v) { value = v; }
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static int static_get() { return static_value; }
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static void static_set(int v) { static_value = v; }
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};
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int TestProperties::static_value = 1;
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class DynamicClass {
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public:
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DynamicClass() { print_default_created(this); }
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@ -90,6 +103,20 @@ test_initializer methods_and_attributes([](py::module &m) {
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.def_readwrite("value", &ExampleMandA::value)
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;
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py::class_<TestProperties>(m, "TestProperties")
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.def(py::init<>())
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.def_readonly("def_readonly", &TestProperties::value)
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.def_readwrite("def_readwrite", &TestProperties::value)
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.def_property_readonly("def_property_readonly", &TestProperties::get)
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.def_property("def_property", &TestProperties::get, &TestProperties::set)
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.def_readonly_static("def_readonly_static", &TestProperties::static_value)
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.def_readwrite_static("def_readwrite_static", &TestProperties::static_value)
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.def_property_readonly_static("def_property_readonly_static",
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[](py::object) { return TestProperties::static_get(); })
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.def_property_static("def_property_static",
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[](py::object) { return TestProperties::static_get(); },
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[](py::object, int v) { return TestProperties::static_set(v); });
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py::class_<DynamicClass>(m, "DynamicClass", py::dynamic_attr())
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.def(py::init());
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@ -47,6 +47,44 @@ def test_methods_and_attributes():
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assert cstats.move_assignments == 0
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def test_properties():
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from pybind11_tests import TestProperties
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instance = TestProperties()
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assert instance.def_readonly == 1
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with pytest.raises(AttributeError):
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instance.def_readonly = 2
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instance.def_readwrite = 2
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assert instance.def_readwrite == 2
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assert instance.def_property_readonly == 2
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with pytest.raises(AttributeError):
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instance.def_property_readonly = 3
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instance.def_property = 3
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assert instance.def_property == 3
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def test_static_properties():
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from pybind11_tests import TestProperties as Type
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assert Type.def_readonly_static == 1
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with pytest.raises(AttributeError):
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Type.def_readonly_static = 2
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Type.def_readwrite_static = 2
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assert Type.def_readwrite_static == 2
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assert Type.def_property_readonly_static == 2
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with pytest.raises(AttributeError):
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Type.def_property_readonly_static = 3
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Type.def_property_static = 3
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assert Type.def_property_static == 3
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def test_dynamic_attributes():
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from pybind11_tests import DynamicClass, CppDerivedDynamicClass
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