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5469c238c8
* Allow type_caster of std::reference_wrapper<T> to be the same as a native reference. Before, both std::reference_wrapper<T> and std::reference_wrapper<const T> would invoke cast_op<type>. This doesn't allow the type_caster<> specialization for T to distinguish reference_wrapper types from value types. After, the type_caster<> specialization invokes cast_op<type&>, which allows reference_wrapper to behave in the same way as a native reference type. * Add tests/examples for std::reference_wrapper<const T> * Add tests which use mutable/immutable variants This test is a chimera; it blends the pybind11 casters with a custom pytype implementation that supports immutable and mutable calls. In order to detect the immutable/mutable state, the cast_op needs to propagate it, even through e.g. std::reference<const T> Note: This is still a work in progress; some things are crashing, which likely means that I have a refcounting bug or something else missing. * Add/finish tests that distinguish const& from & Fixes the bugs in my custom python type implementation, demonstrate test that requires const& and reference_wrapper<const T> being treated differently from Non-const. * Add passing a const to non-const method. * Demonstrate non-const conversion of reference_wrapper in tests. Apply formatting presubmit check. * Fix build errors from presubmit checks. * Try and fix a few more CI errors * More CI fixes. * More CI fixups. * Try and get PyPy to work. * Additional minor fixups. Getting close to CI green. * More ci fixes? * fix clang-tidy warnings from presubmit * fix more clang-tidy warnings * minor comment and consistency cleanups * PyDECREF -> Py_DECREF * copy/move constructors * Resolve codereview comments * more review comment fixes * review comments: remove spurious & * Make the test fail even when the static_assert is commented out. This expands the test_freezable_type_caster a bit by: 1/ adding accessors .is_immutable and .addr to compare identity from python. 2/ Changing the default cast_op of the type_caster<> specialization to return a non-const value. In normal codepaths this is a reasonable default. 3/ adding roundtrip variants to exercise the by reference, by pointer and by reference_wrapper in all call paths. In conjunction with 2/, this demonstrates the failure case of the existing std::reference_wrpper conversion, which now loses const in a similar way that happens when using the default cast_op_type<>. * apply presubmit formatting * Revert inclusion of test_freezable_type_caster There's some concern that this test is a bit unwieldly because of the use of the raw <Python.h> functions. Removing for now. * Add a test that validates const references propagation. This test verifies that cast_op may be used to correctly detect const reference types when used with std::reference_wrapper. * mend * Review comments based changes. 1. std::add_lvalue_reference<type> -> type& 2. Simplify the test a little more; we're never returning the ConstRefCaster type so the class_ definition can be removed. * formatted files again. * Move const_ref_caster test to builtin_casters * Review comments: use cast_op and adjust some comments. * Simplify ConstRefCasted test I like this version better as it moves the assertion that matters back into python. |
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| .. | ||
| extra_python_package | ||
| extra_setuptools | ||
| test_cmake_build | ||
| test_embed | ||
| CMakeLists.txt | ||
| conftest.py | ||
| constructor_stats.h | ||
| cross_module_gil_utils.cpp | ||
| env.py | ||
| local_bindings.h | ||
| object.h | ||
| pybind11_cross_module_tests.cpp | ||
| pybind11_tests.cpp | ||
| pybind11_tests.h | ||
| pytest.ini | ||
| requirements.txt | ||
| test_async.cpp | ||
| test_async.py | ||
| test_buffers.cpp | ||
| test_buffers.py | ||
| test_builtin_casters.cpp | ||
| test_builtin_casters.py | ||
| test_call_policies.cpp | ||
| test_call_policies.py | ||
| test_callbacks.cpp | ||
| test_callbacks.py | ||
| test_chrono.cpp | ||
| test_chrono.py | ||
| test_class.cpp | ||
| test_class.py | ||
| test_constants_and_functions.cpp | ||
| test_constants_and_functions.py | ||
| test_copy_move.cpp | ||
| test_copy_move.py | ||
| test_custom_type_casters.cpp | ||
| test_custom_type_casters.py | ||
| test_docstring_options.cpp | ||
| test_docstring_options.py | ||
| test_eigen.cpp | ||
| test_eigen.py | ||
| test_enum.cpp | ||
| test_enum.py | ||
| test_eval_call.py | ||
| test_eval.cpp | ||
| test_eval.py | ||
| test_exceptions.cpp | ||
| test_exceptions.py | ||
| test_factory_constructors.cpp | ||
| test_factory_constructors.py | ||
| test_gil_scoped.cpp | ||
| test_gil_scoped.py | ||
| test_iostream.cpp | ||
| test_iostream.py | ||
| test_kwargs_and_defaults.cpp | ||
| test_kwargs_and_defaults.py | ||
| test_local_bindings.cpp | ||
| test_local_bindings.py | ||
| test_methods_and_attributes.cpp | ||
| test_methods_and_attributes.py | ||
| test_modules.cpp | ||
| test_modules.py | ||
| test_multiple_inheritance.cpp | ||
| test_multiple_inheritance.py | ||
| test_numpy_array.cpp | ||
| test_numpy_array.py | ||
| test_numpy_dtypes.cpp | ||
| test_numpy_dtypes.py | ||
| test_numpy_vectorize.cpp | ||
| test_numpy_vectorize.py | ||
| test_opaque_types.cpp | ||
| test_opaque_types.py | ||
| test_operator_overloading.cpp | ||
| test_operator_overloading.py | ||
| test_pickling.cpp | ||
| test_pickling.py | ||
| test_pytypes.cpp | ||
| test_pytypes.py | ||
| test_sequences_and_iterators.cpp | ||
| test_sequences_and_iterators.py | ||
| test_smart_ptr.cpp | ||
| test_smart_ptr.py | ||
| test_stl_binders.cpp | ||
| test_stl_binders.py | ||
| test_stl.cpp | ||
| test_stl.py | ||
| test_tagbased_polymorphic.cpp | ||
| test_tagbased_polymorphic.py | ||
| test_union.cpp | ||
| test_union.py | ||
| test_virtual_functions.cpp | ||
| test_virtual_functions.py | ||