* Insert type_caster_odr_guard<> (an empty struct to start with).
* Add odr_guard_registry() used in type_caster_odr_guard() default constructor.
* Add minimal_real_caster (from PR #3862) to test_async, test_buffers
* VERY MESSY SNAPSHOT of WIP, this was the starting point for cl/454658864, which has more changes on top.
* Restore original test_async, test_buffers from current smart_holder HEAD
* Copy from cl/454991845 snapshot Jun 14, 5:08 PM
* Cleanup of tests. Systematically insert `if (make_caster<T>::translation_unit_local) {`
* Small simplification of odr_guard_impl()
* WIP
* Add PYBIND11_SOURCE_FILE_LINE macro.
* Replace PYBIND11_TYPE_CASTER_UNIQUE_IDENTIFIER with PYBIND11_TYPE_CASTER_SOURCE_FILE_LINE, baked into PYBIND11_TYPE_CASTER macro.
* Add more PYBIND11_DETAIL_TYPE_CASTER_ACCESS_TRANSLATION_UNIT_LOCAL; resolves "unused" warning when compiling test_custom_type_casters.cpp
* load_type fixes & follow-on cleanup
* Strip ./ from source_file_line
* Add new tests to CMakeLists.txt, disable PYBIND11_WERROR
* Replace C++17 syntax. Compiles with Debian clang 13 C++11 mode, but fails to link. Trying GitHub Actions anyway to see if there are any platforms that support https://en.cppreference.com/w/cpp/language/tu_local before C++20. Note that Debian clang 13 C++17 works locally.
* Show C++ version along with ODR VIOLATION DETECTED message.
* Add source_file_line_basename()
* Introduce PYBIND11_TYPE_CASTER_ODR_GUARD_ON (but not set automatically).
* Minor cleanup.
* Set PYBIND11_TYPE_CASTER_ODR_GUARD_ON automatically.
* Resolve clang-tidy error.
* Compatibility with old compilers.
* Fix off-by-one in source_file_line_basename()
* Report PYBIND11_INTERNALS_ID & C++ Version from pytest_configure()
* Restore use of PYBIND11_WERROR
* Move cpp_version_in_use() from cast.h to pybind11_tests.cpp
* define PYBIND11_DETAIL_ODR_GUARD_IMPL_THROW_DISABLED true in test_odr_guard_1,2.cpp
* IWYU cleanup of detail/type_caster_odr_guard.h
* Replace `throw err;` to resolve clang-tidy error.
* Add new header filename to CMakeLists.txt, test_files.py
* Experiment: Try any C++17 compiler.
* Fix ifdef for pragma GCC diagnostic.
* type_caster_odr_guard_impl() cleanup
* Move type_caster_odr_guard to type_caster_odr_guard.h
* Rename test_odr_guard* to test_type_caster_odr_guard*
* Remove comments that are (now) more distracting than helpful.
* Mark tu_local_no_data_always_false operator bool as explicit (clang-tidy). See also: https://stackoverflow.com/questions/39995573/when-can-i-use-explicit-operator-bool-without-a-cast
* New PYBIND11_TYPE_CASTER_ODR_GUARD_STRICT option (current on by default).
* Add test_type_caster_odr_registry_values(), test_type_caster_odr_violation_detected_counter()
* Report UNEXPECTED: test_type_caster_odr_guard_2.cpp prevailed (but do not fail).
* Apply clang-tidy suggestion.
* Attempt to handle valgrind behavior.
* Another attempt to handle valgrind behavior.
* Yet another attempt to handle valgrind behavior.
* Trying a new direction: show compiler info & std for UNEXPECTED: type_caster_odr_violation_detected_count() == 0
* compiler_info MSVC fix. num_violations == 0 condition.
* assert pybind11_tests.compiler_info is not None
* Introduce `make_caster_intrinsic<T>`, to be able to undo the 2 changes from `load_type` to `load_type<T>`. This is to avoid breaking 2 `pybind11::detail::load_type()` calls found in the wild (Google global testing).
One of the breakages in the wild was: 0f0f600767/python/tensorstore/subscript_method.h (L61)
* Add test for stl.h / stl_bind.h mix.
Manually verified that the ODR guard detects the ODR violation:
```
C++ Info: Debian Clang 13.0.1 C++17 __pybind11_internals_v4_clang_libstdcpp_cxxabi1002_sh_def__
=========================================================== test session starts ============================================================
platform linux -- Python 3.9.12, pytest-6.2.3, py-1.10.0, pluggy-0.13.1 -- /usr/bin/python3
...
================================================================= FAILURES =================================================================
_____________________________________________ test_type_caster_odr_violation_detected_counter ______________________________________________
def test_type_caster_odr_violation_detected_counter():
...
else:
> assert num_violations == 1
E assert 2 == 1
E +2
E -1
num_violations = 2
test_type_caster_odr_guard_1.py:51: AssertionError
========================================================= short test summary info ==========================================================
FAILED test_type_caster_odr_guard_1.py::test_type_caster_odr_violation_detected_counter - assert 2 == 1
======================================================= 1 failed, 5 passed in 0.08s ========================================================
```
* Eliminate need for `PYBIND11_DETAIL_TYPE_CASTER_ACCESS_TRANSLATION_UNIT_LOCAL` macro.
Copying code first developed by @amauryfa. I tried this at an earlier stage, but by itself this was insufficient. In the meantime I added in the TU-local mechanisms: trying again.
Passes local testing:
```
DISABLED std::system_error: ODR VIOLATION DETECTED: pybind11::detail::type_caster<mrc_ns::type_mrc>: SourceLocation1="/usr/local/google/home/rwgk/forked/pybind11/tests/test_type_caster_odr_guard_1.cpp:18", SourceLocation2="/usr/local/google/home/rwgk/forked/pybind11/tests/test_type_caster_odr_guard_2.cpp:19"
C++ Info: Debian Clang 13.0.1 C++17 __pybind11_internals_v4_clang_libstdcpp_cxxabi1002_sh_def__
=========================================================== test session starts ============================================================
platform linux -- Python 3.9.12, pytest-6.2.3, py-1.10.0, pluggy-0.13.1 -- /usr/bin/python3
cachedir: .pytest_cache
rootdir: /usr/local/google/home/rwgk/forked/pybind11/tests, configfile: pytest.ini
collected 6 items
test_type_caster_odr_guard_1.py::test_type_mrc_to_python PASSED
test_type_caster_odr_guard_1.py::test_type_mrc_from_python PASSED
test_type_caster_odr_guard_1.py::test_type_caster_odr_registry_values PASSED
test_type_caster_odr_guard_1.py::test_type_caster_odr_violation_detected_counter PASSED
test_type_caster_odr_guard_2.py::test_type_mrc_to_python PASSED
test_type_caster_odr_guard_2.py::test_type_mrc_from_python PASSED
============================================================ 6 passed in 0.01s =============================================================
```
* tu_local_descr with src_loc experiment
* clang-tidy suggested fixes
* Use source_file_line_from_sloc in type_caster_odr_guard_registry
* Disable type_caster ODR guard for __INTEL_COMPILER (see comment). Also turn off printf.
* Add missing include (discovered via google-internal testing).
* Work `scr_loc` into `descr`
* Use `TypeCasterType::name.sloc` instead of `source_file_line.sloc`
Manual re-verification:
```
+++ b/tests/test_type_caster_odr_guard_2.cpp
- // m.def("pass_vector_type_mrc", mrc_ns::pass_vector_type_mrc);
+ m.def("pass_vector_type_mrc", mrc_ns::pass_vector_type_mrc);
```
```
> assert num_violations == 1
E assert 2 == 1
num_violations = 2
test_type_caster_odr_guard_1.py:51: AssertionError
```
* Fix small oversight (src_loc::here() -> src_loc{nullptr, 0}).
* Remove PYBIND11_DETAIL_TYPE_CASTER_ACCESS_TRANSLATION_UNIT_LOCAL macro completely.
* Remove PYBIND11_TYPE_CASTER_SOURCE_FILE_LINE macro completely. Some small extra cleanup.
* Minor tweaks looking at the PR with a fresh eye.
* src_loc comments
* Add new test_descr_src_loc & and fix descr.h `concat()` `src_loc` bug discovered while working on the test.
* Some more work on source code comments.
* Fully document the ODR violations in the ODR guard itself and introduce `PYBIND11_TYPE_CASTER_ODR_GUARD_ON_IF_AVAILABLE`
* Update comment (incl. mention of deadsnakes known to not work as intended).
* Use no-destructor idiom for type_caster_odr_guard_registry, as suggested by @laramiel
* Fix clang-tidy error: 'auto reg' can be declared as 'auto *reg' [readability-qualified-auto,-warnings-as-errors]
* WIP
* Revert "WIP" (tu_local_no_data_always_false_base experiment).
This reverts commit 31e8ac562f.
* Change `PYBIND11_TYPE_CASTER_ODR_GUARD_ON` to `PYBIND11_ENABLE_TYPE_CASTER_ODR_GUARD`, based on a suggestion by @rainwoodman
* Improved `#if` determining `PYBIND11_ENABLE_TYPE_CASTER_ODR_GUARD`, based on suggestion by @laramiel
* Make `descr::sloc` `const`, as suggested by @rainwoodman
* Rename macro to `PYBIND11_DETAIL_TYPE_CASTER_ODR_GUARD_IMPL_DEBUG`, as suggested by @laramiel
* Tweak comments some more (add "white hat hacker" analogy).
* Bring back `PYBIND11_CPP17` in determining `PYBIND11_ENABLE_TYPE_CASTER_ODR_GUARD`, to hopefully resolve most if not all of the many CI failures (89 failing, 32 successful: https://github.com/pybind/pybind11/runs/7430295771).
* Try another workaround for `__has_builtin`-related breakages (https://github.com/pybind/pybind11/runs/7430720321).
* Remove `defined(__has_builtin)` and subconditions.
* Update "known to not work" expectation in test and comment.
* `pytest.skip` `num_violations == 0` only `#ifdef __NO_INLINE__` (irrespective of the compiler)
* Systematically change all new `#ifdef` to `#if defined` (review suggestion).
* Bring back MSVC comment that got lost while experimenting.
* For PyPy only, re-enable old behavior (likely to mask bugs), to avoid segfault with unknown root cause.
Change prompted by https://github.com/pybind/pybind11/issues/4075
* Undo the change in tests/test_exceptions.py
I turns out (I forgot) that PyPy segfaults in `test_flaky_exception_failure_point_init` already before the `MISMATCH` code path is reached:
https://github.com/pybind/pybind11/runs/7383663596
```
RPython traceback:
test_exceptions.py .......X.........Error in cpyext, CPython compatibility layer:
File "pypy_module_cpyext.c", line 14052, in wrapper_second_level__star_3_1
File "pypy_module_cpyext_1.c", line 35750, in not_supposed_to_fail
Fatal Python error: Segmentation fault
Stack (most recent call first, approximate line numbers):
File "/home/runner/work/pybind11/pybind11/tests/test_exceptions.py", line 306 in test_flaky_exception_failure_point_init
The function PyErr_NormalizeException was not supposed to fail
File "/opt/hostedtoolcache/PyPy/3.7.13/x64/site-packages/_pytest/python.py", line 185 in pytest_pyfunc_call
File "/opt/hostedtoolcache/PyPy/3.7.13/x64/site-packages/pluggy/_callers.py", line 9 in _multicall
File "/opt/hostedtoolcache/PyPy/3.7.13/x64/site-packages/pluggy/_manager.py", line 77 in _hookexec
File "/opt/hostedtoolcache/PyPy/3.7.13/x64/site-packages/pluggy/_hooks.py", line 244 in __call__
File "/opt/hostedtoolcache/PyPy/3.7.13/x64/site-packages/_pytest/python.py", line 1716 in runtest
File "/opt/hostedtoolcache/PyPy/3.7.13/x64/site-packages/_pytest/runner.py", line 159 in pytest_runtest_call
File "/opt/hostedtoolcache/PyPy/3.7.13/x64/site-packages/pluggy/_callers.py", line 9 in _multicall
File "/opt/hostedtoolcache/PyPy/3.7.13/x64/site-packages/pluggy/_manager.py", line 77 in _hookexec
Fatal error in cpyext, CPython compatibility layer, calling PyErr_NormalizeException
Either report a bug or consider not using this particular extension
<SystemError object at 0x7fcc8cea6868>
File "/opt/hostedtoolcache/PyPy/3.7.13/x64/site-packages/pluggy/_hooks.py", line 244 in __call__
File "/opt/hostedtoolcache/PyPy/3.7.13/x64/site-packages/_pytest/runner.py", line 261 in <lambda>
File "/opt/hostedtoolcache/PyPy/3.7.13/x64/site-packages/_pytest/runner.py", line 317 in from_call
File "/opt/hostedtoolcache/PyPy/3.7.13/x64/site-packages/_pytest/runner.py", line 246 in call_runtest_hook
File "/opt/hostedtoolcache/PyPy/3.7.13/x64/site-packages/_pytest/runner.py", line 218 in call_and_report
File "/opt/hostedtoolcache/PyPy/3.7.13/x64/site-packages/_pytest/runner.py", line 118 in runtestprotocol
File "/opt/hostedtoolcache/PyPy/3.7.13/x64/site-packages/_pytest/runner.py", line 110 in pytest_runtest_protocol
File "/opt/hostedtoolcache/PyPy/3.7.13/x64/site-packages/pluggy/_callers.py", line 9 in _multicall
File "/opt/hostedtoolcache/PyPy/3.7.13/x64/site-packages/pluggy/_manager.py", line 77 in _hookexec
File "/opt/hostedtoolcache/PyPy/3.7.13/x64/site-packages/pluggy/_hooks.py", line 244 in __call__
File "/opt/hostedtoolcache/PyPy/3.7.13/x64/site-packages/_pytest/main.py", line 335 in pytest_runtestloop
File "/opt/hostedtoolcache/PyPy/3.7.13/x64/site-packages/pluggy/_callers.py", line 9 in _multicall
File "/opt/hostedtoolcache/PyPy/3.7.13/x64/site-packages/pluggy/_manager.py", line 77 in _hookexec
File "/opt/hostedtoolcache/PyPy/3.7.13/x64/site-packages/pluggy/_hooks.py", line 244 in __call__
File "/opt/hostedtoolcache/PyPy/3.7.13/x64/site-packages/_pytest/main.py", line 318 in _main
File "/opt/hostedtoolcache/PyPy/3.7.13/x64/site-packages/_pytest/main.py", line 255 in wrap_session
File "/opt/hostedtoolcache/PyPy/3.7.13/x64/site-packages/_pytest/main.py", line 314 in pytest_cmdline_main
File "/opt/hostedtoolcache/PyPy/3.7.13/x64/site-packages/pluggy/_callers.py", line 9 in _multicall
File "/opt/hostedtoolcache/PyPy/3.7.13/x64/site-packages/pluggy/_manager.py", line 77 in _hookexec
File "/opt/hostedtoolcache/PyPy/3.7.13/x64/site-packages/pluggy/_hooks.py", line 244 in __call__
File "/opt/hostedtoolcache/PyPy/3.7.13/x64/site-packages/_pytest/config/__init__.py", line 133 in main
File "/opt/hostedtoolcache/PyPy/3.7.13/x64/site-packages/_pytest/config/__init__.py", line 181 in console_main
File "/opt/hostedtoolcache/PyPy/3.7.13/x64/site-packages/pytest/__main__.py", line 1 in <module>
File "/opt/hostedtoolcache/PyPy/3.7.13/x64/lib-python/3/runpy.py", line 62 in _run_code
File "/opt/hostedtoolcache/PyPy/3.7.13/x64/lib-python/3/runpy.py", line 170 in _run_module_as_main
File "<builtin>/app_main.py", line 109 in run_toplevel
File "<builtin>/app_main.py", line 652 in run_command_line
File "<builtin>/app_main.py", line 996 in entry_point
Segmentation fault (core dumped)
```
* Add test_pypy_oserror_normalization
* Disable new `PYPY_VERSION` `#if`, to verify that the new test actually fails.
* Restore PYPY_VERSION workaround and update comment to reflect what was learned.
* [ci skip] Fix trivial oversight in comment.
* Disable implicit conversion from `0` to `pybind11::handle`.
* Reverse or-ed condition in an attempt to resolve GCC 8.3.0 errors (i386/debian:buster).
* Trying the simpler `std::is_same<T, PyObject *>`
* Add implicit_conversion_from_pytorch_THPObjectPtr_to_handle test.
* Accommodate types with implicit conversions to `PyObject *`, other than `handle` & `handle` subclasses, or integral types.
* Fix copy-paste mishap (picked wrong name).
* Revamp SFINAE construct to actually fix the pytorch issue (already validated against pytorch proper).
The first version of the reduced pytorch code was critically missing the move ctor. The first version of the accompanying test was meaningless.
Note: It turns out the `!std::is_arithmetic<T>` condition is not needed: `int` is not in general implicitly convertible to `PyObject *`, only the literal `0` is.
* Use `NOLINT(performance-noexcept-move-constructor)` for reduced code from the wild (rather than changing the code).
* Use any_of, all_of, negation. It turns out to clang-format nicer.
* Clean up comments for changed code.
* Reduce pytorch situation further, add test for operator ... const.
* Use `none_of` as suggested by @skylion007
* Add `pure_compile_tests_for_handle_from_PyObject_pointers()`
* Fix inconsequential oversight (retested).
* Factor our `is_pyobj_ptr_or_nullptr_t` to make the SFINAE conditions more readable.
* Remove stray line (oversight).
* Make the `pure_compile_tests_for_handle_from_PyObject_pointers()` "rhs-const-complete", too.
* Remove the temporary PYBIND11_UNDO_PR4008 `#ifdef`.
* Add test_namespace_visibility
To probe environment/toolchain/platform-specific behavior under the exact same conditions as normal tests.
(An earlier version of this code was used to inform PR #4043.)
* Disable flake8 in ubench/holder_comparison_*.py, to suppress new & useless diagnostics.
* Disable namespace_visibility_1s.cpp (tosee if that resolves the MSVC and CUDA `test_cross_module_exception_translator` failures).
* Turn off flake8 completely for ubench (the Strip unnecessary `# noqa`s action un-helpfully removed the added noqa).
* Disable test_namespace_visibility completely. Just keep the two .cpp files, only setting the module docstring and doing nothing else.
* Rename test_namespace_visibility.py to test_exc_namespace_visibility.py, so that it is imported by pytest before test_exceptions.py
* Add `set_property(SOURCE namespace_visibility_1s.cpp PROPERTY LANGUAGE CUDA)`
* Add reference to PR #4054
* Complete the documentation (comments in test_exc_namespace_visibility.py).
* Rename namespace_visibility.h to namespace_visibility.inl, as suggested by @charlesbeattie
* Placeholder commit for 3.11 testing
* Does this fix it?
* Try suggestion
* Placeholder commit for 3.11 testing
* Does this fix it?
* Try suggestion
* fix: try using modern init for embedded interp
Signed-off-by: Henry Schreiner <henryschreineriii@gmail.com>
* fix: error message changed in 3.11
* fix: apply logic in Python manually
Signed-off-by: Henry Schreiner <henryschreineriii@gmail.com>
* fix autodetect dynamic attrs in 3.11
* fix: include error message if possible in error
Signed-off-by: Henry Schreiner <henryschreineriii@gmail.com>
* ci: enable standard Python 3.11 testing
Signed-off-by: Henry Schreiner <henryschreineriii@gmail.com>
* Make dynamic attrs condtiion exclusive to ver.
Co-authored-by: Henry Schreiner <henryschreineriii@gmail.com>
When converting an array to an Eigen matrix, ignore the strides if any
dimension size is 0. If the array is empty, the strides aren't relevant,
and especially numpy ≥ 1.23 explicitly sets the strides to 0 in this
case. (See numpy commit dd5ab7b11520.)
Update tests to verify that this works, and continues to work.
* error_already_set::what() is now constructed lazily
Prior to this commit throwing error_already_set was expensive due to the
eager construction of the error string (which required traversing the
Python stack). See #1853 for more context and an alternative take on the
issue.
Note that error_already_set no longer inherits from std::runtime_error
because the latter has no default constructor.
* Do not attempt to normalize if no exception occurred
This is not supported on PyPy-2.7 5.8.0.
* Extract exception name via tp_name
This is faster than dynamically looking up __name__ via GetAttrString.
Note though that the runtime of the code throwing an error_already_set
will be dominated by stack unwinding so the improvement will not be
noticeable.
Before:
396 ns ± 0.913 ns per loop (mean ± std. dev. of 7 runs, 1000000 loops each)
After:
277 ns ± 0.549 ns per loop (mean ± std. dev. of 7 runs, 1000000 loops each)
Benchmark:
const std::string foo() {
PyErr_SetString(PyExc_KeyError, "");
const std::string &s = py::detail::error_string();
PyErr_Clear();
return s;
}
PYBIND11_MODULE(foo, m) {
m.def("foo", &::foo);
}
* Reverted error_already_set to subclass std::runtime_error
* Revert "Extract exception name via tp_name"
The implementation of __name__ is slightly more complex than that.
It handles the module name prefix, and heap-allocated types. We could
port it to pybind11 later on but for now it seems like an overkill.
This reverts commit f1435c7e6b.
* Cosmit following @YannickJadoul's comments
Note that detail::error_string() no longer calls PyException_SetTraceback
as it is unncessary for pretty-printing the exception.
* Fixed PyPy build
* Moved normalization to error_already_set ctor
* Fix merge bugs
* Fix more merge errors
* Improve formatting
* Improve error message in rare case
* Revert back if statements
* Fix clang-tidy
* Try removing mutable
* Does build_mode release fix it
* Set to Debug to expose segfault
* Fix remove set error string
* Do not run error_string() more than once
* Trying setting the tracebackk to the value
* guard if m_type is null
* Try to debug PGI
* One last try for PGI
* Does reverting this fix PyPy
* Reviewer suggestions
* Remove unnecessary initialization
* Add noexcept move and explicit fail throw
* Optimize error_string creation
* Fix typo
* Revert noexcept
* Fix merge conflict error
* Abuse assignment operator
* Revert operator abuse
* See if we still need debug
* Remove unnecessary mutable
* Report "FATAL failure building pybind11::error_already_set error_string" and terminate process.
* Try specifying noexcept again
* Try explicit ctor
* default ctor is noexcept too
* Apply reviewer suggestions, simplify code, and make helper method private
* Remove unnecessary include
* Clang-Tidy fix
* detail::obj_class_name(), fprintf with [STDERR], [STDOUT] tags, polish comments
* consistently check m_lazy_what.empty() also in production builds
* Make a comment slightly less ambiguous.
* Bug fix: Remove `what();` from `restore()`.
It sure would need to be guarded by `if (m_type)`, otherwise `what()` fails and masks that no error was set (see update unit test). But since `error_already_set` is copyable, there is no point in releasing m_type, m_value, m_trace, therefore we can just as well avoid the runtime overhead of force-building `m_lazy_what`, it may never be used.
* Replace extremely opaque (unhelpful) error message with a truthful reflection of what we know.
* Fix clang-tidy error [performance-move-constructor-init].
* Make expected error message less specific.
* Various changes.
* bug fix: error_string(PyObject **, ...)
* Putting back the two eager PyErr_NormalizeException() calls.
* Change error_already_set() to call pybind11_fail() if the Python error indicator not set. The net result is that a std::runtime_error is thrown instead of error_already_set, but all tests pass as is.
* Remove mutable (fixes oversight in the previous commit).
* Normalize the exception only locally in error_string(). Python 3.6 & 3.7 test failures expected. This is meant for benchmarking, to determine if it is worth the trouble looking into the failures.
* clang-tidy: use auto
* Use `gil_scoped_acquire_local` in `error_already_set` destructor. See long comment.
* For Python < 3.8: `PyErr_NormalizeException` before `PyErr_WriteUnraisable`
* Go back to replacing the held Python exception with then normalized exception, if & when needed. Consistently document the side-effect.
* Slightly rewording comment. (There were also other failures.)
* Add 1-line comment for obj_class_name()
* Benchmark code, with results in this commit message.
function #calls test time [s] μs / call
master pure_unwind 729540 1.061 14.539876
err_set_unwind_err_clear 681476 1.040 15.260282
err_set_error_already_set 508038 1.049 20.640525
error_already_set_restore 555578 1.052 18.933288
pr1895_original_foo 244113 1.050 43.018168
PR / master
PR #1895 pure_unwind 736981 1.054 14.295685 98.32%
err_set_unwind_err_clear 685820 1.045 15.237399 99.85%
err_set_error_already_set 661374 1.046 15.811879 76.61%
error_already_set_restore 669881 1.048 15.645176 82.63%
pr1895_original_foo 318243 1.059 33.290806 77.39%
master @ commit ad146b2a18
Running tests in directory "/usr/local/google/home/rwgk/forked/pybind11/tests":
============================= test session starts ==============================
platform linux -- Python 3.9.10, pytest-6.2.3, py-1.10.0, pluggy-0.13.1 -- /usr/bin/python3
cachedir: .pytest_cache
rootdir: /usr/local/google/home/rwgk/forked/pybind11/tests, configfile: pytest.ini
collecting ... collected 5 items
test_perf_error_already_set.py::test_perf[pure_unwind]
PERF pure_unwind,729540,1.061,14.539876
PASSED
test_perf_error_already_set.py::test_perf[err_set_unwind_err_clear]
PERF err_set_unwind_err_clear,681476,1.040,15.260282
PASSED
test_perf_error_already_set.py::test_perf[err_set_error_already_set]
PERF err_set_error_already_set,508038,1.049,20.640525
PASSED
test_perf_error_already_set.py::test_perf[error_already_set_restore]
PERF error_already_set_restore,555578,1.052,18.933288
PASSED
test_perf_error_already_set.py::test_perf[pr1895_original_foo]
PERF pr1895_original_foo,244113,1.050,43.018168
PASSED
============================== 5 passed in 12.38s ==============================
pr1895 @ commit 8dff51d12e
Running tests in directory "/usr/local/google/home/rwgk/forked/pybind11/tests":
============================= test session starts ==============================
platform linux -- Python 3.9.10, pytest-6.2.3, py-1.10.0, pluggy-0.13.1 -- /usr/bin/python3
cachedir: .pytest_cache
rootdir: /usr/local/google/home/rwgk/forked/pybind11/tests, configfile: pytest.ini
collecting ... collected 5 items
test_perf_error_already_set.py::test_perf[pure_unwind]
PERF pure_unwind,736981,1.054,14.295685
PASSED
test_perf_error_already_set.py::test_perf[err_set_unwind_err_clear]
PERF err_set_unwind_err_clear,685820,1.045,15.237399
PASSED
test_perf_error_already_set.py::test_perf[err_set_error_already_set]
PERF err_set_error_already_set,661374,1.046,15.811879
PASSED
test_perf_error_already_set.py::test_perf[error_already_set_restore]
PERF error_already_set_restore,669881,1.048,15.645176
PASSED
test_perf_error_already_set.py::test_perf[pr1895_original_foo]
PERF pr1895_original_foo,318243,1.059,33.290806
PASSED
============================== 5 passed in 12.40s ==============================
clang++ -o pybind11/tests/test_perf_error_already_set.os -c -std=c++17 -fPIC -fvisibility=hidden -Os -flto -Wall -Wextra -Wconversion -Wcast-qual -Wdeprecated -Wnon-virtual-dtor -Wunused-result -isystem /usr/include/python3.9 -isystem /usr/include/eigen3 -DPYBIND11_STRICT_ASSERTS_CLASS_HOLDER_VS_TYPE_CASTER_MIX -DPYBIND11_TEST_BOOST -Ipybind11/include -I/usr/local/google/home/rwgk/forked/pybind11/include -I/usr/local/google/home/rwgk/clone/pybind11/include /usr/local/google/home/rwgk/forked/pybind11/tests/test_perf_error_already_set.cpp
clang++ -o lib/pybind11_tests.so -shared -fPIC -Os -flto -shared ...
Debian clang version 13.0.1-3+build2
Target: x86_64-pc-linux-gnu
Thread model: posix
* Changing call_repetitions_target_elapsed_secs to 0.1 for regular unit testing.
* Adding in `recursion_depth`
* Optimized ctor
* Fix silly bug in recurse_first_then_call()
* Add tests that have equivalent PyErr_Fetch(), PyErr_Restore() but no try-catch.
* Add call_error_string to tests. Sample only recursion_depth 0, 100.
* Show lazy-what speed-up in percent.
* Include real_work in benchmarks.
* Replace all PyErr_SetString() with generate_python_exception_with_traceback()
* Better organization of test loops.
* Add test_error_already_set_copy_move
* Fix bug in newly added test (discovered by clang-tidy): actually use move ctor
* MSVC detects the unreachable return
* change test_perf_error_already_set.py back to quick mode
* Inherit from std::exception (instead of std::runtime_error, which does not make sense anymore with the lazy what)
* Special handling under Windows.
* print with leading newline
* Removing test_perf_error_already_set (copies are under 7765113fbb).
* Avoid gil and scope overhead if there is nothing to release.
* Restore default move ctor. "member function" instead of "function" (note that "method" is Python terminology).
* Delete error_already_set copy ctor.
* Make restore() non-const again to resolve clang-tidy failure (still experimenting).
* Bring back error_already_set copy ctor, to see if that resolves the 4 MSVC test failures.
* Add noexcept to error_already_set copy & move ctors (as suggested by @skylion007 IIUC).
* Trying one-by-one noexcept copy ctor for old compilers.
* Add back test covering copy ctor. Add another simple test that exercises the copy ctor.
* Exclude more older compilers from using the noexcept = default ctors. (The tests in the previous commit exposed that those are broken.)
* Factor out & reuse gil_scoped_acquire_local as gil_scoped_acquire_simple
* Guard gil_scoped_acquire_simple by _Py_IsFinalizing() check.
* what() GIL safety
* clang-tidy & Python 3.6 fixes
* Use `gil_scoped_acquire` in dtor, copy ctor, `what()`. Remove `_Py_IsFinalizing()` checks (they are racy: https://github.com/python/cpython/pull/28525).
* Remove error_scope from copy ctor.
* Add `error_scope` to `get_internals()`, to cover the situation that `get_internals()` is called from the `error_already_set` dtor while a new Python error is in flight already. Also backing out `gil_scoped_acquire_simple` change.
* Add `FlakyException` tests with failure triggers in `__init__` and `__str__`
THIS IS STILL A WORK IN PROGRESS. This commit is only an important resting point.
This commit is a first attempt at addressing the observation that `PyErr_NormalizeException()` completely replaces the original exception if `__init__` fails. This can be very confusing even in small applications, and extremely confusing in large ones.
* Tweaks to resolve Py 3.6 and PyPy CI failures.
* Normalize Python exception immediately in error_already_set ctor.
For background see: https://github.com/pybind/pybind11/pull/1895#issuecomment-1135304081
* Fix oversights based on CI failures (copy & move ctor initialization).
* Move @pytest.mark.xfail("env.PYPY") after @pytest.mark.parametrize(...)
* Use @pytest.mark.skipif (xfail does not work for segfaults, of course).
* Remove unused obj_class_name_or() function (it was added only under this PR).
* Remove already obsolete C++ comments and code that were added only under this PR.
* Slightly better (newly added) comments.
* Factor out detail::error_fetch_and_normalize. Preparation for producing identical results from error_already_set::what() and detail::error_string(). Note that this is a very conservative refactoring. It would be much better to first move detail::error_string into detail/error_string.h
* Copy most of error_string() code to new error_fetch_and_normalize::complete_lazy_error_string()
* Remove all error_string() code from detail/type_caster_base.h. Note that this commit includes a subtle bug fix: previously error_string() restored the Python error, which will upset pybind11_fail(). This never was a problem in practice because the two PyType_Ready() calls in detail/class.h do not usually fail.
* Return const std::string& instead of const char * and move error_string() to pytypes.h
* Remove gil_scope_acquire from error_fetch_and_normalize, add back to error_already_set
* Better handling of FlakyException __str__ failure.
* Move error_fetch_and_normalize::complete_lazy_error_string() implementation from pybind11.h to pytypes.h
* Add error_fetch_and_normalize::release_py_object_references() and use from error_already_set dtor.
* Use shared_ptr for m_fetched_error => 1. non-racy, copy ctor that does not need the GIL; 2. enables guard against duplicate restore() calls.
* Add comments.
* Trivial renaming of a newly introduced member function.
* Workaround for PyPy
* Bug fix (oversight). Only valgrind got this one.
* Use shared_ptr custom deleter for m_fetched_error in error_already_set. This enables removing the dtor, copy ctor, move ctor completely.
* Further small simplification. With the GIL held, simply deleting the raw_ptr takes care of everything.
* IWYU cleanup
```
iwyu version: include-what-you-use 0.17 based on Debian clang version 13.0.1-3+build2
```
Command used:
```
iwyu -c -std=c++17 -DPYBIND11_TEST_BOOST -Iinclude/pybind11 -I/usr/include/python3.9 -I/usr/include/eigen3 include/pybind11/pytypes.cpp
```
pytypes.cpp is a temporary file: `#include "pytypes.h"`
The raw output is very long and noisy.
I decided to use `#include <cstddef>` instead of `#include <cstdio>` for `std::size_t` (iwyu sticks to the manual choice).
I ignored all iwyu suggestions that are indirectly covered by `#include <Python.h>`.
I manually verified that all added includes are actually needed.
Co-authored-by: Aaron Gokaslan <skylion.aaron@gmail.com>
Co-authored-by: Ralf W. Grosse-Kunstleve <rwgk@google.com>
* Add test_perf_accessors (to be merged into test_pytypes).
* Python < 3.8 f-string compatibility
* Use thread_local in inc_ref_counter()
* Intentional breakage, brute-force way to quickly find out how many platforms reach the PYBIND11_HANDLE_REF_DEBUG code, with and without threads.
* [pre-commit.ci] auto fixes from pre-commit.com hooks
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* Remove Intentional breakage
* Drop perf test, move inc_refs tests to test_pytypes
* Fold in PR #3970 with `#ifdef`s
* Complete test coverage for all newly added code.
* Condense new unit tests via a simple local helper macro.
* Remove PYBIND11_PR3970 define. See https://github.com/pybind/pybind11/pull/3977#issuecomment-1142526417
* Move static keyword first (fixes silly oversight).
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
* Add missing error handling to module_::def_submodule
* Add test_def_submodule_failures
* PyPy only: Skip test with trigger for PyModule_GetName() failure.
* Reapply minor fix that accidentally got lost in transfer from PR #3964
* Add error_already_set_what what tests, asserting the status quo.
* Move PyErr_NormalizeException() up a few lines.
* @pytest.mark.skipif("env.PYPY") from PR #1895 is required even for this much simpler PR
* Move PyException_SetTraceback() with PyErr_NormalizeException() as suggested by @skylion007
* Insert a std::move() as suggested by @skylion007
* Don't return pointers to static objects with return_value_policy::take_ownership.
This fixes -Wfree-nonheap-object warnings produced by GCC.
* Use return value policy fix instead
Co-authored-by: Aaron Gokaslan <skylion.aaron@gmail.com>
* Transferred net diff from PR #3581, as-is.
* Automatic `pre-commit run --all-files` fixes. NO manual changes.
* Removing trailing `//` (originally added to manipulate clang-format), as suggested by @charlesbeattie back in Jan/Feb under PR #3581.
* Renaming `xetter_cpp_function` to `property_cpp_function` as suggested by @rainwoodman
* Fully explain the terse variable naming scheme in test_class_sh_property (as suggested by @rainwoodman)
* Also use parametrize for readonly, readwrite (as suggested by @rainwoodman)
* Apply change suggested by @skylion007 (with clang-format).
* Fix py::cast from pytype rvalue to pytype
Previously, py::cast blindly assumed that the destination type was a C++
type rather than a python type when the source type was an rvalue.
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* Add frozenset, and allow it cast to std::set
For the reverse direction, std::set still casts to set. This is in concordance with the behavior for sequence containers, where e.g. tuple casts to std::vector but std::vector casts to list.
Extracted from #3886.
* Rename set_base to any_set to match Python C API
since this will be part of pybind11 public API
* PR: static_cast, anyset
* Add tests for frozenset
and rename anyset methods
* Remove frozenset default ctor, add tests
Making frozenset non-default constructible means that we need to adjust pyobject_caster to not require that its value is default constructible, by initializing value to a nil handle. This also allows writing C++ functions taking anyset, and is arguably a performance improvement, since there is no need to allocate an object that will just be replaced by load.
Add some more tests, including anyset::empty, anyset::size, set::add and set::clear.
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* Add rationale to `pyobject_caster` default ctor
* Remove ineffectual protected: access control
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* Test pickling a simple callable (does not work).
Currently only documents that it does not work. Starting point for future fix.
* Use re.search to accommodate variations of the TypeError message.
* PyPy: exercise full dumps/loads cycle.
* Adding explicit "broken" comment.
* Update cast.h
* [pre-commit.ci] auto fixes from pre-commit.com hooks
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* Move definition to detail/common, change name, apply everywhere
* [pre-commit.ci] auto fixes from pre-commit.com hooks
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* Rename debug_enabled in tests to detailed_error_messages_enabled
* Add return_as_bytes policy
* Fix format
* Fix test failures
* [pre-commit.ci] auto fixes from pre-commit.com hooks
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* Fix std::variant
* Resolve comments
* Note this policy experimental
* Add tests for `return_as_bytes` with `def_property`.
* Change comment for the new return_as_bytes enum to note that the policy is not available on master.
* Applying pr3838_sh.patch (exactly as used Google-internally since 2022-03-31).
* Add `case return_as_bytes` to `switch`es in detail/type_caster_base.h and eigen.h
Based on systematic review under https://github.com/pybind/pybind11/pull/3838#issuecomment-1094390333
* Add missing break (clang-tidy).
* More clang-tidy fixes (this time around clang-tidy was run interactively to pre-empt repeat trips through the CI).
* Underscore prefix: _return_as_bytes
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* Added constructor based on typenum, based on PyArray_DescrFromType
Added accessors for typenum, alignment, byteorder and flags fields of
PyArray_Descr struct.
* Added tests for new py::dtype constructor, and for accessors
* [pre-commit.ci] auto fixes from pre-commit.com hooks
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* Fixed the comment for alignment method
* Update include/pybind11/numpy.h
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* [pre-commit.ci] auto fixes from pre-commit.com hooks
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* Adds set_name method of pybind11::capsule class
This calls PyCapsule_SetName on the underlying capsule object.
modified destructors to query capsules's Name
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Handle possible exception thrown by PyCapsule_GetName
Also removed accidentally reintroduced use of `const char *&`.
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Fixed function name
* Introduced private static function to reuse get_name_or_throw
* added tests for capsule renaming
* [pre-commit.ci] auto fixes from pre-commit.com hooks
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* handle python error in flight
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* Initialized PyObject * variables to nullptr
* use write-unraisable if PyCapsule_GetName raises
* [pre-commit.ci] auto fixes from pre-commit.com hooks
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* get_name_or_throw->get_name_no_throw
If PyCapsule_GetName raises an error we should write as unraisable
to consume it and notify user, and then restore the error in flight if any.
This way this method called from destructor would not modify interpreter
error state.
* used error_scope struct
* Renamed get_name_no_throw->get_name_in_error_scope
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
* Add type_caster<std::monostate> for std::variant
Add type_caster<std::monostate>, allowing std::variant<std::monostate, ...>
* Add variant<std::monostate, ...> test methods
* Add std::monostate tests
* Update test_stl.py
Remove erroneous extra tests
* [pre-commit.ci] auto fixes from pre-commit.com hooks
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* Update test fn name
* And update the doc() test
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
* PYBIND11_OBJECT_CVT should use namespace for error_already_set()
This change makes the macro usable outside of pybind11 namespace.
* added test for use of PYBIND11_OBJECT_CVT for classes in external to pybind11 namespaces
* Extended test_pytypes.cpp and test_pytest.py
The added test defines a dummy function that takes a custom-defined class external::float_
that uses PYBIND11_OBJECT_CVT
* [pre-commit.ci] auto fixes from pre-commit.com hooks
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* fixed issues pointed out by CI
* [pre-commit.ci] auto fixes from pre-commit.com hooks
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* fixed memory leak in default constructor
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* Fixes issue
* [pre-commit.ci] auto fixes from pre-commit.com hooks
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* Fix lint error
* [pre-commit.ci] auto fixes from pre-commit.com hooks
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* Fix flake8
* [pre-commit.ci] auto fixes from pre-commit.com hooks
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* Fix test
* [pre-commit.ci] auto fixes from pre-commit.com hooks
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* Fix clang tidy
* [pre-commit.ci] auto fixes from pre-commit.com hooks
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* Fix again
* [pre-commit.ci] auto fixes from pre-commit.com hooks
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* Fix test
* Add comments
* Try fix Valgrind
* Resolve comments
* [pre-commit.ci] auto fixes from pre-commit.com hooks
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* PYBIND11_OBJECT_CVT should use namespace for error_already_set()
This change makes the macro usable outside of pybind11 namespace.
* added test for use of PYBIND11_OBJECT_CVT for classes in external to pybind11 namespaces
* Extended test_pytypes.cpp and test_pytest.py
The added test defines a dummy function that takes a custom-defined class external::float_
that uses PYBIND11_OBJECT_CVT
* [pre-commit.ci] auto fixes from pre-commit.com hooks
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* fixed issues pointed out by CI
* [pre-commit.ci] auto fixes from pre-commit.com hooks
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* fixed memory leak in default constructor
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
* Reproducer for https://github.com/pybind/pybind11/issues/3788
Expected to build & run as-is. Uncommenting reproduces the infinite recursion.
* Moving try_as_void_ptr_capsule() to the end of load_impl()
* Moving new test into the existing test_class_sh_void_ptr_capsule
* Experiment
* Remove comments and simplify the test cases.
* [pre-commit.ci] auto fixes from pre-commit.com hooks
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Co-authored-by: Ralf W. Grosse-Kunstleve <rwgk@google.com>
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* Add bytearray to string cast, testcase and rename load_bytes to load_raw
* [pre-commit.ci] auto fixes from pre-commit.com hooks
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* New bytearray test case and convert failure to pybind11_fail
* [pre-commit.ci] auto fixes from pre-commit.com hooks
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* Fix merge comments
* Actually fix merge comments
* [pre-commit.ci] auto fixes from pre-commit.com hooks
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* Assert early if AsString fails
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* Clear local internals after finalizing interpreter
* Add descriptive comments
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* Clear Python error state if pybind11::weakref() fails.
The weakref() constructor calls pybind11_fail() without clearing any
Python interpreter error state. If a client catches the C++ exception
thrown by pybind11_fail(), the Python interpreter will be left in an
error state.
* Add test case for failing to create weakref
* Add Debug asserts for pybind11 fail
* Make error handling more pythonic
* Does this fix PyPy?
* Adapt test to PyPy differences
* Simplify test to remove redundancy
Co-authored-by: Aaron Gokaslan <skylion.aaron@gmail.com>
* chore: drop Python 3.5 support
* chore: more fstrings with flynt's help
* ci: drop Python 3.5
* chore: bump dependency versions
* docs: touch up py::args
* tests: remove deprecation warning
* Ban smartquotes
* Very minor tweaks (by-product of reviewing PR #3719).
Co-authored-by: Aaron Gokaslan <skylion.aaron@gmail.com>
Co-authored-by: Ralf W. Grosse-Kunstleve <rwgk@google.com>
* `#error BYE_BYE_GOLDEN_SNAKE`
* Removing everything related to 2.7 from ci.yml
* Commenting-out Centos7
* Removing `PYTHON: 27` from .appveyor.yml
* "PY2" removal, mainly from tests. C++ code is not touched.
* Systematic removal of `u` prefix from `u"..."` and `u'...'` literals. Collateral cleanup of a couple minor other things.
* Cleaning up around case-insensitive hits for `[^a-z]py.*2` in tests/.
* Removing obsolete Python 2 mention in compiling.rst
* Proper `#error` for Python 2.
* Using PY_VERSION_HEX to guard `#error "PYTHON 2 IS NO LONGER SUPPORTED.`
* chore: bump pre-commit
* style: run pre-commit for pyupgrade 3+
* tests: use sys.version_info, not PY
* chore: more Python 2 removal
* Uncommenting Centos7 block (PR #3691 showed that it is working again).
* Update pre-commit hooks
* Fix pre-commit hook
* refactor: remove Python 2 from CMake
* refactor: remove Python 2 from setup code
* refactor: simplify, better static typing
* feat: fail with nice messages
* refactor: drop Python 2 C++ code
* docs: cleanup for Python 3
* revert: intree
revert: intree
* docs: minor touchup to py2 statement
Co-authored-by: Henry Schreiner <henryschreineriii@gmail.com>
Co-authored-by: Aaron Gokaslan <skylion.aaron@gmail.com>
* Manual line breaks to pre-empt undesired `clang-format`ing.
Informed by work under https://github.com/pybind/pybind11/pull/3683:
60b7eb410f59572e6559
* Manual curation of clang-format diffs involving source code comments.
Very labor-intensive and dull.
* Pulling .clang-format change from @henryiii's 9057962d40
* Adding commonly used .clang-format `CommentPragmas:`
* Ensure short lambdas are allowed
Co-authored-by: Aaron Gokaslan <skylion.aaron@gmail.com>
* Adding readability-qualified-auto to .clang-tidy
Ported from @henryiii's 287527f705
* fix: support Python < 3.6
Co-authored-by: Henry Schreiner <henryschreineriii@gmail.com>
* Download catch for MinGw
* Fix rest of MinGW
* fix: update catch to 2.13.5 to fix glibc 2.34 failures
Update the downloaded Catch version to 2.13.5, in order to fix build
failure on glibc 2.34:
```
In file included from /usr/include/signal.h:328,
from /tmp/pybind11/.nox/tests-3-9/tmp/tests/catch/catch.hpp:8030,
from /tmp/pybind11/tests/test_embed/catch.cpp:13:
/tmp/pybind11/.nox/tests-3-9/tmp/tests/catch/catch.hpp:10818:58: error: call to non-‘constexpr’ function ‘long int sysconf(int)’
10818 | static constexpr std::size_t sigStackSize = 32768 >= MINSIGSTKSZ ? 32768 : MINSIGSTKSZ;
| ^~~~~~~~~~~
In file included from /usr/include/python3.9/Python.h:36,
from /tmp/pybind11/include/pybind11/detail/common.h:215,
from /tmp/pybind11/include/pybind11/pytypes.h:12,
from /tmp/pybind11/include/pybind11/cast.h:13,
from /tmp/pybind11/include/pybind11/attr.h:13,
from /tmp/pybind11/include/pybind11/pybind11.h:13,
from /tmp/pybind11/include/pybind11/embed.h:12,
from /tmp/pybind11/tests/test_embed/catch.cpp:4:
/usr/include/unistd.h:640:17: note: ‘long int sysconf(int)’ declared here
640 | extern long int sysconf (int __name) __THROW;
| ^~~~~~~
In file included from /tmp/pybind11/tests/test_embed/catch.cpp:13:
/tmp/pybind11/.nox/tests-3-9/tmp/tests/catch/catch.hpp:10877:45: error: size of array ‘altStackMem’ is not an integral constant-expression
10877 | char FatalConditionHandler::altStackMem[sigStackSize] = {};
| ^~~~~~~~~~~~
```
The newest Catch version cannot be used yet because of regression:
https://github.com/catchorg/Catch2/pull/2364
* fix: add option for _ check, only define on pybind11
* Revert "fix: add option for _ check, only define on pybind11"
This reverts commit 86817db488.
* fix: only undef _ for catch cpp creation.
Co-authored-by: Aaron Gokaslan <skylion.aaron@gmail.com>
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* test: Strip whitespace when comparing numpy dtypes for 1.22 compat
Strip whitespace when comparing numpy dtype str() in order to preserve
test compatibility with both numpy 1.22 and older versions whose output
differ by whitespace.
Fixes#3680
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* Add tests demonstrating smart_holder issues with multiple inheritance
* Propagate C++ multiple inheritance markers to all children
- Makes py::multiple_inheritance only needed in base classes hidden from pybind11
* Make smart holder type casters support void pointer capsules.
* Fix warnings
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* Fix checks
* Fix check failures under CentOS
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* Remove unused regex module
* Resolve comments
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* Resolve comments
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* Fix clangtidy
* Resolve comments
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
* Add support for nested C++11 exceptions
* Remove wrong include
* Fix if directive
* Fix missing skipif
* Simplify code and try to work around MSVC bug
* Clarify comment
* Further simplify code
* Remove the last extra throw statement
* Qualify auto
* Fix typo
* Add missing return for consistency
* Fix clang-tidy complaint
* Fix python2 stub
* Make clang-tidy happy
* Fix compile error
* Fix python2 function signature
* Extract C++20 utility and backport
* Cleanup code a bit more
* Improve test case
* Consolidate code and fix signature
* Fix typo
* A way to register additional test targets.
* Support specifying tests with extension.
* Ensure TEST_OVERRIDE is backwards compatible.
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* Ensure regex is non greedy.
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
* Replacing ICC C++14 with C++17
* ICPC: -diag-disable:conversion
Try to suppress the `-Werror-all` promotion in `#include <variant>`
* Trying `-DPYBIND11_WERROR=OFF`
* Trying `-Wno-conversion` (todo: make specific to C++17 if it works)
* Inserting -Wno-conversion only for C++17
Co-authored-by: Axel Huebl <axel.huebl@plasma.ninja>
* Expand string_view support to str, bytes, memoryview
1. Allows constructing a str or bytes implicitly from a string_view;
this is essentially a small shortcut allowing a caller to write
`py::bytes{sv}` rather than `py::bytes{sv.data(), sv.size()}`.
2. Allows implicit conversion *to* string_view from py::bytes -- this
saves a fair bit more as currently there is no simple way to get such
a view of the bytes without copying it (or resorting to Python API
calls).
(This is not done for `str` because when the str contains unicode we
have to allocate to a temporary and so there might not be some string
data we can properly view without owning.)
3. Allows `memoryview::from_memory` to accept a string_view. As with
the other from_memory calls, it's entirely your responsibility to
keep it alive.
This also required moving the string_view availability detection into
detail/common.h because this PR needs it in pytypes.h, which is higher
up the include chain than cast.h where it was being detected currently.
* Move string_view include to pytypes.h
* CI-testing a fix for the "ambiguous conversion" issue.
This change is known to fix the `tensorflow::tstring` issue reported under https://github.com/pybind/pybind11/pull/3521#issuecomment-985100965
TODO: Minimal reproducer for the `tensorflow::tstring` issue.
* Make clang-tidy happy (hopefully).
* Adding minimal reproducer for the `tensorflow::tstring` issue.
Error without the enable_if trick:
```
/usr/local/google/home/rwgk/forked/pybind11/tests/test_builtin_casters.cpp:169:16: error: ambiguous conversion for functional-style cast from 'TypeWithBothOperatorStringAndStringView' to 'py::bytes'
return py::bytes(TypeWithBothOperatorStringAndStringView());
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/local/google/home/rwgk/forked/pybind11/include/pybind11/detail/../pytypes.h:1174:5: note: candidate constructor
bytes(const std::string &s) : bytes(s.data(), s.size()) { }
^
/usr/local/google/home/rwgk/forked/pybind11/include/pybind11/detail/../pytypes.h:1191:5: note: candidate constructor
bytes(std::string_view s) : bytes(s.data(), s.size()) { }
^
```
* Adding missing NOLINTNEXTLINE
* Also apply ambiguous conversion workaround to str()
Co-authored-by: Ralf W. Grosse-Kunstleve <rwgk@google.com>
