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Merge branch 'master' into sh_merge_master

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This commit is contained in:
Ralf W. Grosse-Kunstleve 2024-07-01 20:26:45 -07:00
commit f322eb96df
8 changed files with 26 additions and 10 deletions
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2
.github/workflows/ci.yml vendored
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@ -502,7 +502,9 @@ jobs:
- { gcc: 7, std: 17 }
- { gcc: 8, std: 14 }
- { gcc: 8, std: 17 }
- { gcc: 9, std: 20 }
- { gcc: 10, std: 17 }
- { gcc: 10, std: 20 }
- { gcc: 11, std: 20 }
- { gcc: 12, std: 20 }
- { gcc: 13, std: 20 }

2
.github/workflows/pip.yml vendored
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@ -103,7 +103,7 @@ jobs:
- uses: actions/download-artifact@v4
- name: Generate artifact attestation for sdist and wheel
uses: actions/attest-build-provenance@173725a1209d09b31f9d30a3890cf2757ebbff0d # v1.1.2
uses: actions/attest-build-provenance@bdd51370e0416ac948727f861e03c2f05d32d78e # v1.3.2
with:
subject-path: "*/pybind11*"

7
include/pybind11/cast.h
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@ -770,6 +770,13 @@ class type_caster<std::pair<T1, T2>> : public tuple_caster<std::pair, T1, T2> {}
template <typename... Ts>
class type_caster<std::tuple<Ts...>> : public tuple_caster<std::tuple, Ts...> {};
template <>
class type_caster<std::tuple<>> : public tuple_caster<std::tuple> {
public:
// PEP 484 specifies this syntax for an empty tuple
static constexpr auto name = const_name("tuple[()]");
};
/// Helper class which abstracts away certain actions. Users can provide specializations for
/// custom holders, but it's only necessary if the type has a non-standard interface.
template <typename T>

9
include/pybind11/typing.h
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@ -14,6 +14,8 @@
#include "cast.h"
#include "pytypes.h"
#include <algorithm>
PYBIND11_NAMESPACE_BEGIN(PYBIND11_NAMESPACE)
PYBIND11_NAMESPACE_BEGIN(typing)
@ -98,7 +100,10 @@ class Never : public none {
using none::none;
};
#if defined(__cpp_nontype_template_parameter_class)
#if defined(__cpp_nontype_template_parameter_class) \
&& (/* See #5201 */ !defined(__GNUC__) \
|| (__GNUC__ > 10 || (__GNUC__ == 10 && __GNUC_MINOR__ >= 3)))
# define PYBIND11_TYPING_H_HAS_STRING_LITERAL
template <size_t N>
struct StringLiteral {
constexpr StringLiteral(const char (&str)[N]) { std::copy_n(str, N, name); }
@ -222,7 +227,7 @@ struct handle_type_name<typing::Never> {
static constexpr auto name = const_name("Never");
};
#if defined(__cpp_nontype_template_parameter_class)
#if defined(PYBIND11_TYPING_H_HAS_STRING_LITERAL)
template <typing::StringLiteral... Literals>
struct handle_type_name<typing::Literal<Literals...>> {
static constexpr auto name = const_name("Literal[")

2
tests/test_builtin_casters.py
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@ -368,6 +368,8 @@ def test_tuple(doc):
"""
)
assert doc(m.empty_tuple) == """empty_tuple() -> tuple[()]"""
assert m.rvalue_pair() == ("rvalue", "rvalue")
assert m.lvalue_pair() == ("lvalue", "lvalue")
assert m.rvalue_tuple() == ("rvalue", "rvalue", "rvalue")

8
tests/test_pytypes.cpp
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@ -109,7 +109,7 @@ void m_defs(py::module_ &m) {
} // namespace handle_from_move_only_type_with_operator_PyObject
#if defined(__cpp_nontype_template_parameter_class)
#if defined(PYBIND11_TYPING_H_HAS_STRING_LITERAL)
namespace literals {
enum Color { RED = 0, BLUE = 1 };
@ -905,7 +905,7 @@ TEST_SUBMODULE(pytypes, m) {
m.def("annotate_optional_to_object",
[](py::typing::Optional<int> &o) -> py::object { return o; });
#if defined(__cpp_nontype_template_parameter_class)
#if defined(PYBIND11_TYPING_H_HAS_STRING_LITERAL)
py::enum_<literals::Color>(m, "Color")
.value("RED", literals::Color::RED)
.value("BLUE", literals::Color::BLUE);
@ -919,8 +919,8 @@ TEST_SUBMODULE(pytypes, m) {
m.def("annotate_listT_to_T",
[](const py::typing::List<typevar::TypeVarT> &l) -> typevar::TypeVarT { return l[0]; });
m.def("annotate_object_to_T", [](const py::object &o) -> typevar::TypeVarT { return o; });
m.attr("if_defined__cpp_nontype_template_parameter_class") = true;
m.attr("defined_PYBIND11_TYPING_H_HAS_STRING_LITERAL") = true;
#else
m.attr("if_defined__cpp_nontype_template_parameter_class") = false;
m.attr("defined_PYBIND11_TYPING_H_HAS_STRING_LITERAL") = false;
#endif
}

4
tests/test_pytypes.py
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@ -1025,7 +1025,7 @@ def test_optional_object_annotations(doc):
@pytest.mark.skipif(
not m.if_defined__cpp_nontype_template_parameter_class,
not m.defined_PYBIND11_TYPING_H_HAS_STRING_LITERAL,
reason="C++20 feature not available.",
)
def test_literal(doc):
@ -1036,7 +1036,7 @@ def test_literal(doc):
@pytest.mark.skipif(
not m.if_defined__cpp_nontype_template_parameter_class,
not m.defined_PYBIND11_TYPING_H_HAS_STRING_LITERAL,
reason="C++20 feature not available.",
)
def test_typevar(doc):

2
tools/pybind11Common.cmake
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@ -335,7 +335,7 @@ function(_pybind11_generate_lto target prefer_thin_lto)
set(PYBIND11_LTO_LINKER_FLAGS "-flto${thin}${linker_append}")
elseif(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
_pybind11_return_if_cxx_and_linker_flags_work(
HAS_FLTO_THIN "-flto${thin}${cxx_append}" "-flto=${thin}${linker_append}"
HAS_FLTO_THIN "-flto${thin}${cxx_append}" "-flto${thin}${linker_append}"
PYBIND11_LTO_CXX_FLAGS PYBIND11_LTO_LINKER_FLAGS)
endif()
if(NOT HAS_FLTO_THIN)