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Merge branch 'pybind:master' into master

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Steve R. Sun 2024-07-31 09:08:18 +08:00 committed by GitHub
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23 changed files with 45 additions and 91 deletions
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18
.github/workflows/ci.yml vendored
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@ -311,11 +311,6 @@ jobs:
fail-fast: false
matrix:
clang:
- 3.6
- 3.7
- 3.9
- 7
- 9
- dev
std:
- 11
@ -324,8 +319,6 @@ jobs:
include:
- clang: 5
std: 14
- clang: 10
std: 17
- clang: 11
std: 20
- clang: 12
@ -503,10 +496,6 @@ jobs:
fail-fast: false
matrix:
include:
- { gcc: 7, std: 11 }
- { gcc: 7, std: 17 }
- { gcc: 8, std: 14 }
- { gcc: 8, std: 17 }
- { gcc: 9, std: 20 }
- { gcc: 10, std: 17 }
- { gcc: 10, std: 20 }
@ -727,9 +716,9 @@ jobs:
# This tests an "install" with the CMake tools
install-classic:
name: "🐍 3.7 • Debian • x86 • Install"
name: "🐍 3.9 • Debian • x86 • Install"
runs-on: ubuntu-latest
container: i386/debian:buster
container: i386/debian:bullseye
steps:
- uses: actions/checkout@v1 # v1 is required to run inside docker
@ -809,7 +798,6 @@ jobs:
fail-fast: false
matrix:
python:
- '3.7'
- '3.8'
- '3.9'
- '3.10'
@ -827,8 +815,6 @@ jobs:
args: -DCMAKE_CXX_STANDARD=20
- python: '3.8'
args: -DCMAKE_CXX_STANDARD=17
- python: '3.7'
args: -DCMAKE_CXX_STANDARD=14
name: "🐍 ${{ matrix.python }} • MSVC 2019 • x86 ${{ matrix.args }}"

8
.github/workflows/configure.yml vendored
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@ -39,22 +39,22 @@ jobs:
- runs-on: macos-13
arch: x64
cmake: "3.7"
cmake: "3.8"
- runs-on: windows-2019
arch: x64 # x86 compilers seem to be missing on 2019 image
cmake: "3.18"
name: 🐍 3.7 • CMake ${{ matrix.cmake }} • ${{ matrix.runs-on }}
name: 🐍 3.8 • CMake ${{ matrix.cmake }} • ${{ matrix.runs-on }}
runs-on: ${{ matrix.runs-on }}
steps:
- uses: actions/checkout@v4
- name: Setup Python 3.7
- name: Setup Python 3.8
uses: actions/setup-python@v5
with:
python-version: 3.7
python-version: 3.8
architecture: ${{ matrix.arch }}
- name: Prepare env

4
README.rst
View File

@ -34,7 +34,7 @@ dependency.
Think of this library as a tiny self-contained version of Boost.Python
with everything stripped away that isn't relevant for binding
generation. Without comments, the core header files only require ~4K
lines of code and depend on Python (3.7+, or PyPy) and the C++
lines of code and depend on Python (3.8+, or PyPy) and the C++
standard library. This compact implementation was possible thanks to
some C++11 language features (specifically: tuples, lambda functions and
variadic templates). Since its creation, this library has grown beyond
@ -79,7 +79,7 @@ Goodies
In addition to the core functionality, pybind11 provides some extra
goodies:
- Python 3.7+, and PyPy3 7.3 are supported with an implementation-agnostic
- Python 3.8+, and PyPy3 7.3 are supported with an implementation-agnostic
interface (pybind11 2.9 was the last version to support Python 2 and 3.5).
- It is possible to bind C++11 lambda functions with captured

3
docs/advanced/classes.rst
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@ -826,8 +826,7 @@ An instance can now be pickled as follows:
always use the latest available version. Beware: failure to follow these
instructions will cause important pybind11 memory allocation routines to be
skipped during unpickling, which will likely lead to memory corruption
and/or segmentation faults. Python defaults to version 3 (Python 3-3.7) and
version 4 for Python 3.8+.
and/or segmentation faults.
.. seealso::

3
docs/advanced/exceptions.rst
View File

@ -368,8 +368,7 @@ Should they throw or fail to catch any exceptions in their call graph,
the C++ runtime calls ``std::terminate()`` to abort immediately.
Similarly, Python exceptions raised in a class's ``__del__`` method do not
propagate, but are logged by Python as an unraisable error. In Python 3.8+, a
`system hook is triggered
propagate, but ``sys.unraisablehook()`` `is triggered
<https://docs.python.org/3/library/sys.html#sys.unraisablehook>`_
and an auditing event is logged.

4
docs/compiling.rst
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@ -426,7 +426,7 @@ with ``PYTHON_EXECUTABLE``. For example:
.. code-block:: bash
cmake -DPYBIND11_PYTHON_VERSION=3.7 ..
cmake -DPYBIND11_PYTHON_VERSION=3.8 ..
# Another method:
cmake -DPYTHON_EXECUTABLE=/path/to/python ..
@ -493,7 +493,7 @@ existing targets instead:
cmake_minimum_required(VERSION 3.15...3.22)
project(example LANGUAGES CXX)
find_package(Python 3.7 COMPONENTS Interpreter Development REQUIRED)
find_package(Python 3.8 COMPONENTS Interpreter Development REQUIRED)
find_package(pybind11 CONFIG REQUIRED)
# or add_subdirectory(pybind11)

4
include/pybind11/cast.h
View File

@ -158,7 +158,7 @@ public:
} else {
handle src_or_index = src;
// PyPy: 7.3.7's 3.8 does not implement PyLong_*'s __index__ calls.
#if PY_VERSION_HEX < 0x03080000 || defined(PYPY_VERSION)
#if defined(PYPY_VERSION)
object index;
if (!PYBIND11_LONG_CHECK(src.ptr())) { // So: index_check(src.ptr())
index = reinterpret_steal<object>(PyNumber_Index(src.ptr()));
@ -1503,7 +1503,7 @@ struct kw_only {};
/// \ingroup annotations
/// Annotation indicating that all previous arguments are positional-only; the is the equivalent of
/// an unnamed '/' argument (in Python 3.8)
/// an unnamed '/' argument
struct pos_only {};
template <typename T>

10
include/pybind11/detail/class.h
View File

@ -466,19 +466,9 @@ extern "C" inline void pybind11_object_dealloc(PyObject *self) {
type->tp_free(self);
#if PY_VERSION_HEX < 0x03080000
// `type->tp_dealloc != pybind11_object_dealloc` means that we're being called
// as part of a derived type's dealloc, in which case we're not allowed to decref
// the type here. For cross-module compatibility, we shouldn't compare directly
// with `pybind11_object_dealloc`, but with the common one stashed in internals.
auto pybind11_object_type = (PyTypeObject *) get_internals().instance_base;
if (type->tp_dealloc == pybind11_object_type->tp_dealloc)
Py_DECREF(type);
#else
// This was not needed before Python 3.8 (Python issue 35810)
// https://github.com/pybind/pybind11/issues/1946
Py_DECREF(type);
#endif
}
std::string error_string();

4
include/pybind11/detail/common.h
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@ -272,8 +272,8 @@ PYBIND11_WARNING_DISABLE_MSVC(4505)
#endif
#include <Python.h>
#if PY_VERSION_HEX < 0x03070000
# error "PYTHON < 3.7 IS UNSUPPORTED. pybind11 v2.12 was the last to support Python 3.6."
#if PY_VERSION_HEX < 0x03080000
# error "PYTHON < 3.8 IS UNSUPPORTED. pybind11 v2.13 was the last to support Python 3.7."
#endif
#include <frameobject.h>
#include <pythread.h>

2
include/pybind11/detail/internals.h
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@ -447,7 +447,7 @@ inline void translate_local_exception(std::exception_ptr p) {
inline object get_python_state_dict() {
object state_dict;
#if PYBIND11_INTERNALS_VERSION <= 4 || PY_VERSION_HEX < 0x03080000 || defined(PYPY_VERSION)
#if PYBIND11_INTERNALS_VERSION <= 4 || defined(PYPY_VERSION)
state_dict = reinterpret_borrow<object>(PyEval_GetBuiltins());
#else
# if PY_VERSION_HEX < 0x03090000

12
include/pybind11/embed.h
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@ -104,23 +104,13 @@ inline void initialize_interpreter_pre_pyconfig(bool init_signal_handlers,
detail::precheck_interpreter();
Py_InitializeEx(init_signal_handlers ? 1 : 0);
// Before it was special-cased in python 3.8, passing an empty or null argv
// caused a segfault, so we have to reimplement the special case ourselves.
bool special_case = (argv == nullptr || argc <= 0);
const char *const empty_argv[]{"\0"};
const char *const *safe_argv = special_case ? empty_argv : argv;
if (special_case) {
argc = 1;
}
auto argv_size = static_cast<size_t>(argc);
// SetArgv* on python 3 takes wchar_t, so we have to convert.
std::unique_ptr<wchar_t *[]> widened_argv(new wchar_t *[argv_size]);
std::vector<std::unique_ptr<wchar_t[], detail::wide_char_arg_deleter>> widened_argv_entries;
widened_argv_entries.reserve(argv_size);
for (size_t ii = 0; ii < argv_size; ++ii) {
widened_argv_entries.emplace_back(detail::widen_chars(safe_argv[ii]));
widened_argv_entries.emplace_back(detail::widen_chars(argv[ii]));
if (!widened_argv_entries.back()) {
// A null here indicates a character-encoding failure or the python
// interpreter out of memory. Give up.

2
include/pybind11/eval.h
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@ -19,7 +19,7 @@ PYBIND11_NAMESPACE_BEGIN(PYBIND11_NAMESPACE)
PYBIND11_NAMESPACE_BEGIN(detail)
inline void ensure_builtins_in_globals(object &global) {
#if defined(PYPY_VERSION) || PY_VERSION_HEX < 0x03080000
#if defined(PYPY_VERSION)
// Running exec and eval adds `builtins` module under `__builtins__` key to
// globals if not yet present. Python 3.8 made PyRun_String behave
// similarly. Let's also do that for older versions, for consistency. This

8
include/pybind11/gil.h
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@ -147,9 +147,7 @@ public:
// NOLINTNEXTLINE(cppcoreguidelines-prefer-member-initializer)
tstate = PyEval_SaveThread();
if (disassoc) {
// Python >= 3.7 can remove this, it's an int before 3.7
// NOLINTNEXTLINE(readability-qualified-auto)
auto key = internals.tstate;
auto key = internals.tstate; // NOLINT(readability-qualified-auto)
PYBIND11_TLS_DELETE_VALUE(key);
}
}
@ -173,9 +171,7 @@ public:
PyEval_RestoreThread(tstate);
}
if (disassoc) {
// Python >= 3.7 can remove this, it's an int before 3.7
// NOLINTNEXTLINE(readability-qualified-auto)
auto key = detail::get_internals().tstate;
auto key = detail::get_internals().tstate; // NOLINT(readability-qualified-auto)
PYBIND11_TLS_REPLACE_VALUE(key, tstate);
}
}

4
pybind11/__init__.py
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@ -2,8 +2,8 @@ from __future__ import annotations
import sys
if sys.version_info < (3, 7): # noqa: UP036
msg = "pybind11 does not support Python < 3.7. v2.12 was the last release supporting Python 3.6."
if sys.version_info < (3, 8): # noqa: UP036
msg = "pybind11 does not support Python < 3.8. v2.13 was the last release supporting Python 3.7."
raise ImportError(msg)

2
pybind11/setup_helpers.py
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@ -249,7 +249,7 @@ def has_flag(compiler: Any, flag: str) -> bool:
cpp_flag_cache = None
@lru_cache()
@lru_cache
def auto_cpp_level(compiler: Any) -> str | int:
"""
Return the max supported C++ std level (17, 14, or 11). Returns latest on Windows.

4
pyproject.toml
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@ -30,7 +30,7 @@ ignore_missing_imports = true
[tool.pylint]
master.py-version = "3.7"
master.py-version = "3.8"
reports.output-format = "colorized"
messages_control.disable = [
"design",
@ -45,7 +45,7 @@ messages_control.disable = [
]
[tool.ruff]
target-version = "py37"
target-version = "py38"
src = ["src"]
[tool.ruff.lint]

3
setup.cfg
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@ -14,7 +14,6 @@ classifiers =
Topic :: Utilities
Programming Language :: C++
Programming Language :: Python :: 3 :: Only
Programming Language :: Python :: 3.7
Programming Language :: Python :: 3.8
Programming Language :: Python :: 3.9
Programming Language :: Python :: 3.10
@ -39,5 +38,5 @@ project_urls =
Chat = https://gitter.im/pybind/Lobby
[options]
python_requires = >=3.7
python_requires = >=3.8
zip_safe = False

5
tests/requirements.txt
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@ -1,9 +1,8 @@
--only-binary=:all:
build~=1.0; python_version>="3.7"
numpy~=1.20.0; python_version=="3.7" and platform_python_implementation=="PyPy"
build~=1.0; python_version>="3.8"
numpy~=1.23.0; python_version=="3.8" and platform_python_implementation=="PyPy"
numpy~=1.25.0; python_version=="3.9" and platform_python_implementation=='PyPy'
numpy~=1.21.5; platform_python_implementation!="PyPy" and python_version>="3.7" and python_version<"3.10"
numpy~=1.21.5; platform_python_implementation!="PyPy" and python_version>="3.8" and python_version<"3.10"
numpy~=1.22.2; platform_python_implementation!="PyPy" and python_version=="3.10"
numpy~=1.26.0; platform_python_implementation!="PyPy" and python_version>="3.11" and python_version<"3.13"
pytest~=7.0

2
tests/test_builtin_casters.py
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@ -297,7 +297,7 @@ def test_int_convert():
cant_convert(3.14159)
# TODO: Avoid DeprecationWarning in `PyLong_AsLong` (and similar)
# TODO: PyPy 3.8 does not behave like CPython 3.8 here yet (7.3.7)
if (3, 8) <= sys.version_info < (3, 10) and env.CPYTHON:
if sys.version_info < (3, 10) and env.CPYTHON:
with env.deprecated_call():
assert convert(Int()) == 42
else:

28
tests/test_exceptions.py
View File

@ -103,28 +103,24 @@ def ignore_pytest_unraisable_warning(f):
@pytest.mark.xfail(env.PYPY, reason="Failure on PyPy 3.8 (7.3.7)", strict=False)
@ignore_pytest_unraisable_warning
def test_python_alreadyset_in_destructor(monkeypatch, capsys):
hooked = False
triggered = False
if hasattr(sys, "unraisablehook"): # Python 3.8+
hooked = True
# Don't take `sys.unraisablehook`, as that's overwritten by pytest
default_hook = sys.__unraisablehook__
# Don't take `sys.unraisablehook`, as that's overwritten by pytest
default_hook = sys.__unraisablehook__
def hook(unraisable_hook_args):
exc_type, exc_value, exc_tb, err_msg, obj = unraisable_hook_args
if obj == "already_set demo":
nonlocal triggered
triggered = True
default_hook(unraisable_hook_args)
return
def hook(unraisable_hook_args):
exc_type, exc_value, exc_tb, err_msg, obj = unraisable_hook_args
if obj == "already_set demo":
nonlocal triggered
triggered = True
default_hook(unraisable_hook_args)
return
# Use monkeypatch so pytest can apply and remove the patch as appropriate
monkeypatch.setattr(sys, "unraisablehook", hook)
# Use monkeypatch so pytest can apply and remove the patch as appropriate
monkeypatch.setattr(sys, "unraisablehook", hook)
assert m.python_alreadyset_in_destructor("already_set demo") is True
if hooked:
assert triggered is True
assert triggered is True
_, captured_stderr = capsys.readouterr()
assert captured_stderr.startswith("Exception ignored in: 'already_set demo'")

2
tools/FindPythonLibsNew.cmake
View File

@ -92,7 +92,7 @@ endif()
# Use the Python interpreter to find the libs.
if(NOT PythonLibsNew_FIND_VERSION)
set(PythonLibsNew_FIND_VERSION "3.7")
set(PythonLibsNew_FIND_VERSION "3.8")
endif()
if(NOT CMAKE_VERSION VERSION_LESS "3.27")

2
tools/pybind11NewTools.cmake
View File

@ -56,7 +56,7 @@ if(NOT Python_FOUND AND NOT Python3_FOUND)
endif()
find_package(
Python 3.7 REQUIRED COMPONENTS ${_pybind11_interp_component} ${_pybind11_dev_component}
Python 3.8 REQUIRED COMPONENTS ${_pybind11_interp_component} ${_pybind11_dev_component}
${_pybind11_quiet} ${_pybind11_global_keyword})
# If we are in submodule mode, export the Python targets to global targets.

2
tools/pybind11Tools.cmake
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@ -43,7 +43,7 @@ endif()
# A user can set versions manually too
set(Python_ADDITIONAL_VERSIONS
"3.12;3.11;3.10;3.9;3.8;3.7"
"3.12;3.11;3.10;3.9;3.8"
CACHE INTERNAL "")
list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}")