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Allow subclasses of py::args and py::kwargs (#5381)

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* Allow subclasses of py::args and py::kwargs

The current implementation does not allow subclasses of args or kwargs.
This change allows subclasses to be used.

* Added test case

* style: pre-commit fixes

* Added missing semi-colons

* style: pre-commit fixes

* Added handle_type_name

* Moved classes outside of function

* Added namespaces

* style: pre-commit fixes

* Refactored tests

Added more tests and moved tests to more appropriate locations.

* style: pre-commit fixes

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
This commit is contained in:
gentlegiantJGC
2024-09-24 18:28:22 +01:00
committed by GitHub
parent 1f8b4a7f1a
commit 7e418f4924
3 changed files with 39 additions and 2 deletions
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include/pybind11/cast.h
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@@ -1570,9 +1570,9 @@ class argument_loader {
using indices = make_index_sequence<sizeof...(Args)>;
template <typename Arg>
using argument_is_args = std::is_same<intrinsic_t<Arg>, args>;
using argument_is_args = std::is_base_of<args, intrinsic_t<Arg>>;
template <typename Arg>
using argument_is_kwargs = std::is_same<intrinsic_t<Arg>, kwargs>;
using argument_is_kwargs = std::is_base_of<kwargs, intrinsic_t<Arg>>;
// Get kwargs argument position, or -1 if not present:
static constexpr auto kwargs_pos = constexpr_last<argument_is_kwargs, Args...>();