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… independent Python/C++ bindings systems. (#5368) * Enable type-safe interoperability between different independent Python/C++ bindings systems. (#5296) * `self.__cpp_transporter__()` proof of concept: Enable passing C++ pointers across extensions even if the `PYBIND11_INTERNALS_VERSION`s do not match. * Include cleanup (mainly to resolve PyPy build failures). * Fix clang-tidy errors. * Resolve `error: extra * factor out platform_abi_id.h from internals.h (no functional changes) * factor out internals_version.h from internals.h (no functional changes) * Update CMakeLists.txt, tests/extra_python_package/test_files.py * Revert "factor out internals_version.h from internals.h (no functional changes)" This reverts commit 3ccea8c. * Remove internals_version.h from CMakeLists.txt, tests/extra_python_package/test_files.py * `.__cpp_transporter__()` implementation: compare `pybind11_platform_abi_id`, `cpp_typeid_name` * Add PremiumTraveler * Rename test_cpp_transporter_traveler_type.h -> test_cpp_transporter_traveler_types.h * Expand tests: `PremiumTraveler`, `get_points()` * Shuffle order of tests (no real changes). * Move `__cpp_transporter__` lambda to `py::cpp_transporter()` regular function. * Use `type_caster_generic::load(self)` instead of `cast<T *>(self)` * Pass `const std::type_info *` via `py::capsule` (instead of `cpp_typeid_name`). * Make platform_abi_id.h completely stand-alone. * rename exo_planet.cpp -> exo_planet_pybind11.cpp * Add exo_planet_c_api.cpp (incomplete). * Fix silly oversight (wrong filename in `#include`). * Resolve clang-tidy errors: ``` /__w/pybind11/pybind11/tests/exo_planet_c_api.cpp:10:18: error: 'wrapGetLuggage' is a static definition in anonymous namespace; static is redundant here [readability-static-definition-in-anonymous-namespace,-warnings-as-errors] 10 | static PyObject *wrapGetLuggage(PyObject *, PyObject *) { return PyUnicode_FromString("TODO"); } | ~~~~~~ ^ /__w/pybind11/pybind11/tests/exo_planet_c_api.cpp:14:20: error: 'ThisMethodDef' is a static definition in anonymous namespace; static is redundant here [readability-static-definition-in-anonymous-namespace,-warnings-as-errors] 14 | static PyMethodDef ThisMethodDef[] | ~~~~~~ ^ /__w/pybind11/pybind11/tests/exo_planet_c_api.cpp:17:27: error: 'ThisModuleDef' is a static definition in anonymous namespace; static is redundant here [readability-static-definition-in-anonymous-namespace,-warnings-as-errors] 17 | static struct PyModuleDef ThisModuleDef = { | ~~~~~~ ^ ``` * Implement exo_planet_c_api GetLuggage(), GetPoints() * Move new code from test_cpp_transporter_traveler_bindings.h to pybind11/detail/type_caster_base.h, under the name `class_dunder_cpp_transporter()` * Fix oversight. * Unconditionally add `__cpp_transporter__` method to all `py::class_` objects, but do not include that magic method in docstring signatures. * Back out pybind11/detail/platform_abi_id.h for now. Maximizing reusability can be handled separately, later. * Small cleanup. * Restore and add to `test_call_cpp_transporter_*()` * Ensure #3788 does not bite again. * `class_dunder_cpp_transporter()`: replace `obj.cast<std::string>()` with `std::string(obj)` * Add (simple) copyright notices in all newly added files. * Globally replace cpp_transporter with cpp_conduit * style: pre-commit fixes * IWYU fixes * Rename `class_dunder_cpp_conduit()` -> `cpp_conduit_method()` * Change `pybind11_platform_abi_id`, `pointer_kind` argument types from `str` to `bytes`. This avoids the unicode decode/encode roundtrips: * More robust (no decode/encode errors). * Minor runtime optimization. * Systematically rename `cap_cpp_type_info` -> `cpp_type_info_capsule` (no functional changes). * Systematically replace `cpp_type_info_capsule` `name`: `"const std::type_info *"` -> `typeid(std::type_info).name()` (this IS a functional change). This provides an extra layer of protection against C++ ABI mismatches: * The first and most important layer is that the `PYBIND11_PLATFORM_ABI_ID`s must match between extensions. * The second layer is that the `typeid(std::type_info).name()`s must match between extensions. * Fix sort order accident in tests/CMakeLists.txt * Apply suggestions from code review Co-authored-by: Aaron Gokaslan <aaronGokaslan@gmail.com> * style: pre-commit fixes * refactor: rename to _pybind_conduit_v1_ Signed-off-by: Henry Schreiner <henryschreineriii@gmail.com> * Add test_home_planet_wrap_very_lonely_traveler(), test_exo_planet_pybind11_wrap_very_lonely_traveler() * Resolve clang-tidy errors: ``` /__w/pybind11/pybind11/tests/test_cpp_conduit_traveler_bindings.h:39:32: error: parameter 'm' is passed by value and only copied once; consider moving it to avoid unnecessary copies [performance-unnecessary-value-param,-warnings-as-errors] 10 | py::class_<LonelyTraveler>(m, "LonelyTraveler"); | ^ | std::move( ) /__w/pybind11/pybind11/tests/test_cpp_conduit_traveler_bindings.h:43:52: error: parameter 'm' is passed by value and only copied once; consider moving it to avoid unnecessary copies [performance-unnecessary-value-param,-warnings-as-errors] 43 | py::class_<VeryLonelyTraveler, LonelyTraveler>(m, "VeryLonelyTraveler"); | ^ | std::move( ) ``` --------- Signed-off-by: Henry Schreiner <henryschreineriii@gmail.com> Co-authored-by: Ralf W. Grosse-Kunstleve <rwgk@google.com> Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com> Co-authored-by: Henry Schreiner <HenrySchreinerIII@gmail.com> Co-authored-by: Aaron Gokaslan <aaronGokaslan@gmail.com> * Remove `from __future__ import annotations` * Update Changelog * Increment patch version number (v2.12.1) * Revert "Increment patch version number (v2.12.1)" This reverts commit 0999c27. * Revert "Update Changelog" This reverts commit 166ba04. --------- Signed-off-by: Henry Schreiner <henryschreineriii@gmail.com> Co-authored-by: Ralf W. Grosse-Kunstleve <rwgk@google.com> Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com> Co-authored-by: Henry Schreiner <HenrySchreinerIII@gmail.com> Co-authored-by: Aaron Gokaslan <aaronGokaslan@gmail.com>

QA: ``` $ nox -s tests_packaging nox > Running session tests_packaging nox > Creating virtual environment (virtualenv) using python3 in .nox/tests_packaging nox > python -m pip install -r tests/requirements.txt nox > pytest tests/extra_python_package =========================================================== test session starts ============================================================ platform darwin -- Python 3.10.2, pytest-7.4.4, pluggy-1.5.0 rootdir: /Users/rgrossekunst/forked/pybind11/tests/extra_python_package configfile: pytest.ini plugins: timeout-2.3.1 collected 4 items tests/extra_python_package/test_files.py .... [100%] ============================================================ 4 passed in 22.82s ============================================================ nox > Session tests_packaging was successful. ```

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Commits on Sep 13, 2024

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