Commit Graph

109 Commits

Author SHA1 Message Date
Henry Schreiner
2e5f5c4cf8
fix: support CMake 3.27, drop 3.4 (#4719)
* fix: support CMake 3.27, drop 3.4

Signed-off-by: Henry Schreiner <henryschreineriii@gmail.com>

* Update upgrade.rst

* Update upgrade.rst

* Update upgrade.rst

---------

Signed-off-by: Henry Schreiner <henryschreineriii@gmail.com>
2023-07-12 13:10:24 -05:00
Ralf W. Grosse-Kunstleve
90312a6ee8
Add type_caster<PyObject> (#4601)
* Add `type_caster<PyObject>` (tests are still incomplete).

* Fix oversight (`const PyObject *`).

* Ensure `type_caster<PyObject>` only works for `PyObject *`

* Move `is_same_ignoring_cvref` into `detail` namespace.

* Add test_cast_nullptr

* Change is_same_ignoring_cvref from variable template to using.

```
test_type_caster_pyobject_ptr.cpp:8:23: error: variable templates only available with ‘-std=c++14’ or ‘-std=gnu++14’ [-Werror]
    8 | static constexpr bool is_same_ignoring_cvref = std::is_same<detail::remove_cvref_t<T>, U>::value;
      |                       ^~~~~~~~~~~~~~~~~~~~~~
```

* Remove `return_value_policy::reference_internal` `keep_alive` feature (because of doubts about it actually being useful).

* Add missing test, fix bug (missing `throw error_already_set();`), various cosmetic changes.

* Move `type_caster<PyObject>` from test to new include (pybind11/type_caster_pyobject_ptr.h)

* Add new header file to CMakeLists.txt and tests/extra_python_package/test_files.py

* Backport changes from https://github.com/google/pywrapcc/pull/30021 to https://github.com/pybind/pybind11/pull/4601

* Fix oversight in test (to resolve a valgrind leak detection error) and add a related comment in cast.h.

No production code changes.

Make tests more sensitive by using `ValueHolder` instead of empty tuples and dicts.

Manual leak checks with `while True:` & top command repeated for all tests.

* Add tests for interop with stl.h `list_caster`

(No production code changes.)

* Bug fix in test. Minor comment enhancements.

* Change `type_caster<PyObject>::name` to `object`, as suggested by @Skylion007

* Expand comment for the new `T cast(const handle &handle)` [`T` = `PyObject *`]

* Add `T cast(object &&obj)` overload as suggested by @Skylion007

The original suggestion leads to `error: call to 'cast' is ambiguous` (full error message below), therefore SFINAE guarding is needed.

```
clang++ -o pybind11/tests/test_type_caster_pyobject_ptr.os -c -std=c++17 -fPIC -fvisibility=hidden -O0 -g -Wall -Wextra -Wconversion -Wcast-qual -Wdeprecated -Wundef -Wnon-virtual-dtor -Wunused-result -Werror -isystem /usr/include/python3.10 -isystem /usr/include/eigen3 -DPYBIND11_STRICT_ASSERTS_CLASS_HOLDER_VS_TYPE_CASTER_MIX -DPYBIND11_ENABLE_TYPE_CASTER_ODR_GUARD_IF_AVAILABLE -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_type_caster_pyobject_ptr.cpp
In file included from /usr/local/google/home/rwgk/forked/pybind11/tests/test_type_caster_pyobject_ptr.cpp:1:
In file included from /usr/local/google/home/rwgk/forked/pybind11/include/pybind11/functional.h:12:
In file included from /usr/local/google/home/rwgk/forked/pybind11/include/pybind11/pybind11.h:13:
In file included from /usr/local/google/home/rwgk/forked/pybind11/include/pybind11/detail/class.h:12:
In file included from /usr/local/google/home/rwgk/forked/pybind11/include/pybind11/attr.h:14:
/usr/local/google/home/rwgk/forked/pybind11/include/pybind11/cast.h:1165:12: error: call to 'cast' is ambiguous
    return pybind11::cast<T>(std::move(*this));
           ^~~~~~~~~~~~~~~~~
/usr/local/google/home/rwgk/forked/pybind11/include/pybind11/functional.h:109:70: note: in instantiation of function template specialization 'pybind11::object::cast<_object *>' requested here
                return hfunc.f(std::forward<Args>(args)...).template cast<Return>();
                                                                     ^
/usr/local/google/home/rwgk/forked/pybind11/include/pybind11/functional.h:103:16: note: in instantiation of member function 'pybind11::detail::type_caster<std::function<_object *(int)>>::load(pybind11::handle, bool)::func_wrapper::operator()' requested here
        struct func_wrapper {
               ^
/usr/local/google/home/rwgk/forked/pybind11/include/pybind11/cast.h:1456:47: note: in instantiation of member function 'pybind11::detail::type_caster<std::function<_object *(int)>>::load' requested here
        if ((... || !std::get<Is>(argcasters).load(call.args[Is], call.args_convert[Is]))) {
                                              ^
/usr/local/google/home/rwgk/forked/pybind11/include/pybind11/cast.h:1434:50: note: in instantiation of function template specialization 'pybind11::detail::argument_loader<const std::function<_object *(int)> &, int>::load_impl_sequence<0UL, 1UL>' requested here
    bool load_args(function_call &call) { return load_impl_sequence(call, indices{}); }
                                                 ^
/usr/local/google/home/rwgk/forked/pybind11/include/pybind11/pybind11.h:227:33: note: in instantiation of member function 'pybind11::detail::argument_loader<const std::function<_object *(int)> &, int>::load_args' requested here
            if (!args_converter.load_args(call)) {
                                ^
/usr/local/google/home/rwgk/forked/pybind11/include/pybind11/pybind11.h:101:9: note: in instantiation of function template specialization 'pybind11::cpp_function::initialize<(lambda at /usr/local/google/home/rwgk/forked/pybind11/tests/test_type_caster_pyobject_ptr.cpp:50:9), _object *, const std::function<_object *(int)> &, int, pybind11::name, pybind11::scope, pybind11::sibling, pybind11::return_value_policy>' requested here
        initialize(
        ^
/usr/local/google/home/rwgk/forked/pybind11/include/pybind11/pybind11.h:1163:22: note: in instantiation of function template specialization 'pybind11::cpp_function::cpp_function<(lambda at /usr/local/google/home/rwgk/forked/pybind11/tests/test_type_caster_pyobject_ptr.cpp:50:9), pybind11::name, pybind11::scope, pybind11::sibling, pybind11::return_value_policy, void>' requested here
        cpp_function func(std::forward<Func>(f),
                     ^
/usr/local/google/home/rwgk/forked/pybind11/tests/test_type_caster_pyobject_ptr.cpp:48:7: note: in instantiation of function template specialization 'pybind11::module_::def<(lambda at /usr/local/google/home/rwgk/forked/pybind11/tests/test_type_caster_pyobject_ptr.cpp:50:9), pybind11::return_value_policy>' requested here
    m.def(
      ^
/usr/local/google/home/rwgk/forked/pybind11/include/pybind11/cast.h:1077:3: note: candidate function [with T = _object *, $1 = 0]
T cast(object &&obj) {
  ^
/usr/local/google/home/rwgk/forked/pybind11/include/pybind11/cast.h:1149:1: note: candidate function [with T = _object *]
cast(object &&object) {
^
1 error generated.
```
2023-05-07 10:15:53 -07:00
Ralf W. Grosse-Kunstleve
6de6191a0c
Use std::hash<std::type_index>, std::equal_to<std::type_index> everywhere **except when libc++ is in use** (#4319)
* Try using `std::hash<std::type_index>`, `std::equal_to<std::type_index>` everywhere.

From PR #4316 we know that types in the unnamed namespace in different translation units do not compare equal, as desired.

But do types in named namespaces compare equal, as desired?

* Revert "Try using `std::hash<std::type_index>`, `std::equal_to<std::type_index>` everywhere."

This reverts commit a06949a926.

* Use "our own name-based hash and equality functions" for `std::type_index` only under macOS, based on results shown under https://github.com/pybind/pybind11/pull/4316#issuecomment-1305097879

* Patch in PR #4313: Minimal reproducer for clash when binding types defined in the unnamed namespace.

* test_unnamed_namespace_b xfail for clang

* `PYBIND11_INTERNALS_VERSION 5`

* Add a note to docs/classes.rst

* For compatibility with Google-internal testing, test_unnamed_namespace_a & test_unnamed_namespace_b need to work when imported in any order.

* Trying "__GLIBCXX__ or Windows", based on observations from Google-internal testing.

* Try _LIBCPP_VERSION

* Account for libc++ behavior in tests and documentation.

* Adjust expectations for Windows Clang (and make code less redundant).

* Add WindowsClang to ci.yml

Added block transferred from PR #4321

* Add clang-latest to name that appears in the GitHub Actions web view.

* Tweak the note in classes.rst again.

* Add `pip install --upgrade pip`, Show env, cosmetic changes

Already tested under PR #4321

* Add macos_brew_install_llvm to ci.yml

Added block transferred from PR #4324

* `test_cross_module_exception_translator` xfail 'Homebrew Clang'

* Revert back to base version of .github/workflows/ci.yml (the ci.yml changes were merged under #4323 and #4326)

* Fixes for ruff

* Make updated condition in internals.h dependent on ABI version.

* Remove PYBIND11_TEST_OVERRIDE when testing with PYBIND11_INTERNALS_VERSION=10000000

* Selectively exercise cmake `-DPYBIND11_TEST_OVERRIDE`: ubuntu, macos, windows

Extra work added to quick jobs, based on timings below, to not increase the GHA start-to-last-job-finished time.

```
Duration
^              Number of pytest runs
^              ^ Job identifier
^              ^ ^
0:03:48.024227 1 1___3___Clang_3.6___C++11___x64.txt
0:03:58.992814 1 2___3___Clang_3.7___C++11___x64.txt
0:04:25.758942 1 1___3.7___Debian___x86____Install.txt
0:04:50.148276 1 4___3___Clang_7___C++11___x64.txt
0:04:55.784558 1 13___3___Clang_15___C++20___x64.txt
0:04:57.048754 1 6___3___Clang_dev___C++11___x64.txt
0:05:00.485181 1 7___3___Clang_5___C++14___x64.txt
0:05:03.744964 1 2___3___almalinux8___x64.txt
0:05:06.222752 1 5___3___Clang_9___C++11___x64.txt
0:05:11.767022 1 2___3___GCC_7___C++17__x64.txt
0:05:18.634930 1 2___3.11__deadsnakes____x64.txt
0:05:22.810995 1 1___3___GCC_7___C++11__x64.txt
0:05:25.275317 1 12___3___Clang_14___C++20___x64.txt
0:05:32.058174 1 5___3___GCC_10___C++17__x64.txt
0:05:39.381351 1 7___3___GCC_12___C++20__x64.txt
0:05:40.502252 1 8___3___Clang_10___C++17___x64.txt
0:05:59.344905 1 3___3___Clang_3.9___C++11___x64.txt
0:06:10.825147 1 6___3___GCC_11___C++20__x64.txt
0:06:20.655443 1 3___3___almalinux9___x64.txt
0:06:22.472061 1 3___3___GCC_8___C++14__x64.txt
0:06:42.647406 1 11___3___Clang_13___C++20___x64.txt
0:06:53.352720 1 1___3.10___CUDA_11.7___Ubuntu_22.04.txt
0:07:07.357801 1 2___3.7___MSVC_2019___x86_-DCMAKE_CXX_STANDARD=14.txt
0:07:09.057603 1 1___3___centos7___x64.txt
0:07:15.546282 1 1___3.8___MSVC_2019__Debug____x86_-DCMAKE_CXX_STANDARD=17.txt
0:07:22.566022 1 4___3___GCC_8___C++17__x64.txt
0:08:13.592674 1 2___3.9___MSVC_2019__Debug____x86_-DCMAKE_CXX_STANDARD=20.txt
0:08:16.422768 1 9___3___Clang_11___C++20___x64.txt
0:08:21.168457 1 3___3.8___MSVC_2019___x86_-DCMAKE_CXX_STANDARD=17.txt
0:08:27.129468 1 10___3___Clang_12___C++20___x64.txt
0:09:35.045470 1 1___3.10___windows-latest___clang-latest.txt
0:09:57.361843 1 1___3.9___MSVC_2022_C++20___x64.txt
0:10:35.187767 1 1___3.6___MSVC_2019___x86.txt
0:11:14.691200 4 2___3.9___ubuntu-20.04___x64.txt
0:11:37.701167 1 1_macos-latest___brew_install_llvm.txt
0:11:38.688299 4 4___3.11___ubuntu-20.04___x64.txt
0:11:52.720216 1 4___3.9___MSVC_2019___x86_-DCMAKE_CXX_STANDARD=20.txt
0:13:23.456591 4 6___pypy-3.8___ubuntu-20.04___x64_-DPYBIND11_FINDPYTHON=ON.txt
0:13:25.863592 2 1___3___ICC_latest___x64.txt
0:13:32.411758 3 9___3.9___windows-2022___x64.txt
0:13:45.473377 4 3___3.10___ubuntu-20.04___x64.txt
0:13:55.366447 4 5___pypy-3.7___ubuntu-20.04___x64.txt
0:13:57.969502 3 10___3.10___windows-2022___x64.txt
0:14:19.837475 3 11___3.11___windows-2022___x64.txt
0:14:33.316770 4 1___3.6___ubuntu-20.04___x64_-DPYBIND11_FINDPYTHON=ON_-DCMA.txt
0:15:34.449278 4 22___3.6___windows-2019___x64_-DPYBIND11_FINDPYTHON=ON.txt
0:16:25.189055 2 1___3.9-dbg__deadsnakes____Valgrind___x64.txt
0:17:20.956667 4 15___3.6___macos-latest___x64.txt
0:17:27.513891 4 23___3.9___windows-2019___x64.txt
0:17:58.783286 3 8___3.6___windows-2022___x64.txt
0:18:25.917828 4 7___pypy-3.9___ubuntu-20.04___x64.txt
0:19:17.399820 3 13___pypy-3.8___windows-2022___x64.txt
0:19:45.002122 3 12___pypy-3.7___windows-2022___x64.txt
0:20:03.201926 4 16___3.9___macos-latest___x64.txt
0:20:15.415178 4 17___3.10___macos-latest___x64.txt
0:20:20.263216 4 20___pypy-3.8___macos-latest___x64.txt
0:20:31.998226 3 1___3___windows-latest___mingw64.txt
0:20:40.812286 4 18___3.11___macos-latest___x64.txt
0:22:47.714749 4 19___pypy-3.7___macos-latest___x64.txt
0:23:04.435859 3 2___3___windows-latest___mingw32.txt
0:25:48.719597 3 14___pypy-3.9___windows-2022___x64.txt
0:26:01.211688 4 21___pypy-3.9___macos-latest___x64.txt
0:28:19.971015 1 1___3___CentOS7__PGI_22.9___x64.txt
```

* Update skipif for Python 3.12a7 (the WIP needs to be handled in a separate PR).
2023-04-25 14:03:24 -07:00
Ralf W. Grosse-Kunstleve
07725c28c0
Introduce pybind11::detail::is_move_constructible (#4631)
To support the use case captured in the new test_vector_unique_ptr_member.cpp
2023-04-24 00:19:21 -07:00
Mike Essenmacher
531144dddc
Replace "whitelist" with "allowlist" (#4506) 2023-02-09 10:11:01 -08:00
Ethan Steinberg
ee4b9f5d7b
Fix ODR violations in our Eigen Tensor tests (#4412)
* First

* Fix centos 7 again :(

* Fix minor nits
2022-12-20 05:34:00 -08:00
Lalaland
fab1eebe2c
First draft of Eigen::Tensor support (#4201)
* First draft of Eigen::Tensor support

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* Fix build errors

* Weird allocator stuff?

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* Remove unused + additional allocator junk

* Disable warning

* Use constexpr

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* clang tidy fixes

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* Resolve comments

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* Remove auto constexpr function

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* Try again for older C++

* Oops forgot constexpr

* Move to new files as suggested

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* Fix weird tests

* Fix nits

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* Oops, forgot import

* Fix clang 3.6 bug

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* More comprehensive test suite

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* Refactor allocators to make things more clear

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* Switch to std::copy

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* Switch to DSizes instead of array

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* Address feedback

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* Fix python + dummy c++ change to trigger build

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* Alignment

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* Add include guard

* Forgot inline

* Fix compiler warning

* Remove bad test

* Better type signatures

* Add guards to make compiler requirements more explicit

* style: pre-commit fixes

* Force rerun of tests due to flake

* style: pre-commit fixes

* Keep pragmas & all related comments together, add PLEASE KEEP IN SYNC

* Move headers out of detail

* style: pre-commit fixes

* Fix cmake

* Improve casting

* style: pre-commit fixes

* Add a ton more tests + refactor

* Improve names

* style: pre-commit fixes

* Update include/pybind11/eigen/tensor.h

Co-authored-by: Aaron Gokaslan <skylion.aaron@gmail.com>

* Fix tests

* style: pre-commit fixes

* Update

* Add a test to verify that strange numpy arrays work

* Fix dumb compiler warning

* Better tests

* Better tests

* Fix tests

* style: pre-commit fixes

* More test fixes

* style: pre-commit fixes

* A ton more test coverage

* Fix tests

* style: pre-commit fixes

* style: pre-commit fixes

* Add back constexpr

* Another test

* style: pre-commit fixes

* Improve tests

* Whoops

* Less magic numbers

* Update tests/test_eigen_tensor.py

Co-authored-by: Sergiu Deitsch <sergiud@users.noreply.github.com>

* Update tests/test_eigen_tensor.py

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* style: pre-commit fixes

* Fix tests

* style: pre-commit fixes

* Fix memory leak

* style: pre-commit fixes

* Fix order

* style: pre-commit fixes

* Add test to make sure unsafe casts fail

* Minor bug fix to work on 32 bit machines

* Implement convert flag

* style: pre-commit fixes

* Switch to correct TensorMap const use

* style: pre-commit fixes

* Support older versions of eigen

* Weird c++ compilers

* Fix Eigen bug

* Fix another eigen bug

* Yet another eigen bug

* Potential flakes?

* style: pre-commit fixes

* Rerun tests with dummy exception to find out what is going on

* Another dummy test run

* Ablate more

* Found the broken test?

* One step closer

* one step further

* Double check

* one thing at a time

* Give up and disable the test

* Clang lies about being gcc

* Oops, fix matrix test

* style: pre-commit fixes

* Add tests to verify scalar conversions

* style: pre-commit fixes

* Fix nits

* Support no_array

* Fix tests

* style: pre-commit fixes

* Silence compiler warning

* Improve build system for ancient compilers

* Make clang happy

* Make gcc happy

* Implement Skylion's suggestions

* Fix warning

* Inline const pointer check

* Implement suggestions

* style: pre-commit fixes

* Improve tests

* Typo

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* Support Google's build environment

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* Update include/pybind11/eigen/tensor.h

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* Test cleanup per Skylion

* Switch to remvove_cv_t

* Cleaner test

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* Remove tensor from eigen.h, update tests

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Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
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Co-authored-by: Aaron Gokaslan <aaronGokaslan@gmail.com>
Co-authored-by: Aaron Gokaslan <skylion.aaron@gmail.com>
Co-authored-by: Sergiu Deitsch <sergiud@users.noreply.github.com>
2022-10-18 16:54:16 -07:00
Ralf W. Grosse-Kunstleve
de4ba92c9f
Add error_scope to detail::get_internals() (#3981)
* Add `error_scope` to `detail::get_internals()`

* Adjust test to tolerate macOS PyPy behavior.
2022-05-31 11:51:13 -07:00
Henry Schreiner
1a7b12983e
ci: fix cuda issue & MSVC spurious warning (#3950)
* ci: fix cuda issue

* ci: cuda 11.3-11.4 produce warnings -> errors

* tests: ignore unused warning for MSVC

* Update tests/CMakeLists.txt
2022-05-16 17:27:19 -04:00
Ralf W. Grosse-Kunstleve
6493f496e3
Python 2 removal part 1: tests (C++ code is intentionally ~untouched) (#3688)
* `#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>
2022-02-10 18:28:08 -08:00
Ivor Wanders
21911e126f
A way to register additional test targets and support .py only tests. (#3590)
* 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.

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2022-01-11 17:31:19 -08:00
Ralf W. Grosse-Kunstleve
f588810871
Replacing ICC C++14 with C++17 (#3570)
* 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>
2022-01-11 12:13:02 -08:00
Ralf W. Grosse-Kunstleve
1bbaeb3462
Adding dedicated test_const_name. (#3578)
* Adding dedicated test_const_name.

Also exercises pybind11::detail::_ backward compatibility.

See also: PR #3423

* Backing out tests involving int_to_str (requires C++17 or higher).

* Suppressing clang-tidy errors.

* Disabling test_const_name for MSVC 2015 due to bizarre failures.

* Stacking @pytest.mark.parametrize (thanks to @skylion007 for pointing out).
2021-12-29 12:54:25 -08:00
Henry Schreiner
15f8d7c12e
fix(build): cleaner CMake printouts & IDE folders (#3479) 2021-11-18 10:01:24 -05:00
Henry Schreiner
e7e2c79f3f
fix: improve support for Python 3.11-dev (#3368)
* ci: support Python 3.11-dev

Also update 3.10 to final, better PyPy usage

* fix: use PyFrame_GetCode on Python 3.9+

* ci: some bitiness of pypy not supported on win

* chore: update CMake support to 3.22rc1 to quiet warning

* fix: use dev version of py to fix Py 3.11

* tests: print proper Eigen version

* ci: include pypy2, not sure why

* ci: avoid running on Python 3.11 for now

* ci: fix runs

* ci: simpler PyPy usage, drop unmaintained scipy + pypy index

* ci: only binary numpy, wait on pypy 3.8

* refactor: address review
2021-10-26 14:50:34 -04:00
Ryan Cahoon
c2d3e220bd
fix: the types for return_value_policy_override in optional_caster (#3376)
* fix: the types for return_value_policy_override in optional_caster

`return_value_policy_override` was not being applied correctly in
`optional_caster` in two ways:
- The `is_lvalue_reference` condition referenced `T`, which was the
`optional<T>` type parameter from the class, when it should have used `T_`,
which was the parameter to the `cast` function. `T_` can potentially be a
reference type, but `T` will never be.
- The type parameter passed to `return_value_policy_override` should be
`T::value_type`, not `T`. This matches the way that the other STL container
type casters work.

The result of these issues was that a method/property definition which used a
`reference` or `reference_internal` return value policy would create a Python
value that's bound by reference to a temporary C++ object, resulting in
undefined behavior. For reasons that I was not able to figure out fully, it
seems like this causes problems when using old versions of `boost::optional`,
but not with recent versions of `boost::optional` or the `libstdc++`
implementation of `std::optional`. The issue (that the override to
`return_value_policy::move` is never being applied) is present for all
implementations, it just seems like that somehow doesn't result in problems for
the some implementation of `optional`. This change includes a regression type
with a custom optional-like type which was able to reproduce the issue.

Part of the issue with using the wrong types may have stemmed from the type
variables `T` and `T_` having very similar names. This also changes the type
variables in `optional_caster` to use slightly more descriptive names, which
also more closely follow the naming convention used by the other STL casters.

Fixes #3330

* Fix clang-tidy complaints

* Add missing NOLINT

* Apply a couple more fixes

* fix: support GCC 4.8

* tests: avoid warning about unknown compiler for compilers missing C++17

* Remove unneeded test module attribute

* Change test enum to have more unique int values

Co-authored-by: Aaron Gokaslan <skylion.aaron@gmail.com>
Co-authored-by: Henry Schreiner <HenrySchreinerIII@gmail.com>
2021-10-25 19:04:45 -07:00
Ralf W. Grosse-Kunstleve
7c580586f8
Correct options on Eigen::MappedSparseMatrix & adding MSVC C4127 suppression around Eigen includes. (#3352)
* Adding MSVC C4127 suppression around Eigen includes.

* For MSVC 2015 only: also adding the C4127 suppression to test_eigen.cpp

* Copying original change from PR #3343, with extra line breaks to not run past 99 columns (our desired but currently not enforced limit).
2021-10-11 13:13:01 -07:00
Henry Schreiner
d7a7edc12b tests: support Eigen configuration 2021-10-04 10:06:12 -07:00
Jeremy Maitin-Shepard
62c4909cce
Add custom_type_setup attribute (#3287)
* Fix `pybind11::object::operator=` to be safe if `*this` is accessible from Python

* Add `custom_type_setup` attribute

This allows for custom modifications to the PyHeapTypeObject prior to
calling `PyType_Ready`.  This may be used, for example, to define
`tp_traverse` and `tp_clear` functions.
2021-09-24 12:08:22 -07:00
Laramie Leavitt
0e599589fe
Fix thread safety for pybind11 loader_life_support (#3237)
* Fix thread safety for pybind11 loader_life_support

Fixes issue: https://github.com/pybind/pybind11/issues/2765

This converts the vector of PyObjects to either a single void* or
a per-thread void* depending on the WITH_THREAD define.

The new field is used by each thread to construct a stack
of loader_life_support frames that can extend the life of python
objects.

The pointer is updated when the loader_life_support object is allocated
(which happens before a call) as well as on release.

Each loader_life_support maintains a set of PyObject references
that need to be lifetime extended; this is done by storing them
in a c++ std::unordered_set and clearing the references when the
method completes.

* Also update the internals version as the internal struct is no longer compatible

* Add test demonstrating threading works correctly.

It may be appropriate to run this under msan/tsan/etc.

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* Update test to use lifetime-extended references rather than
std::string_view, as that's a C++ 17 feature.

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* Make loader_life_support members private

* Update version to dev2

* Update test to use python threading rather than concurrent.futures

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* Remove unnecessary env in test

* Remove unnecessary pytest in test

* Use native C++ thread_local in place of python per-thread data structures to retain compatability

* clang-format test_thread.cpp

* Add a note about debugging the py::cast() error

* thread_test.py now propagates exceptions on join() calls.

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* remove unused sys / merge

* Update include order in test_thread.cpp

* Remove spurious whitespace

* Update comment / whitespace.

* Address review comments

* lint cleanup

* Fix test IntStruct constructor.

* Add explicit to constructor

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Aaron Gokaslan <skylion.aaron@gmail.com>
2021-09-10 12:29:21 -04:00
Henry Schreiner
c14b193308
chore: increase CMake upper limit (#3124) 2021-07-28 18:04:14 -07:00
Henry Schreiner
cd061aeef1
style: pre-commit cleanup (#3111)
* style: disallow PyTest (should be pytest)

* style: cleanup spell checking a bit

* style: add a few items to the .gitignore
2021-07-14 16:49:13 -04:00
Antony Lee
5bcaaa0423
Add a std::filesystem::path <-> os.PathLike caster. (#2730) 2021-07-02 07:00:50 -07:00
Philipp Bucher
62976cfcb8
fix: using -Werror-all for Intel (#2948)
* correcting Werror for Intel

* adding ward for Intel

* adding wards for intel

* another ward for Intel

* missed one intel ward

* exact match for intel compiler

* removing inline limits

* disable warnings about inline limits

* formatter suggestion

* more indent

* hopefully make formatter happy

* addressed review

* fix &&

* Update tests/CMakeLists.txt

Co-authored-by: Henry Schreiner <HenrySchreinerIII@gmail.com>

Co-authored-by: Henry Schreiner <HenrySchreinerIII@gmail.com>
2021-04-14 14:01:27 -04:00
OnlineCop
cbae6d55c2
docs: fix CMake status for DOWNLOAD_EIGEN (#2857)
Co-authored-by: OnlineCop <onlinecop@gmail.com>
2021-02-12 17:11:23 -05:00
Henry Schreiner
eb83feefff
style: avoid using unintialized variables (#2806)
* style: avoid using unintialized variables

Tested with cmake --warn-unintialized -S . -B build

* refactor: use function for possibly uninit vars
2021-01-19 18:48:22 -05:00
Yannick Jadoul
0f8d5f2eb6
Add a Valgrind build on debug Python 3.9 (#2746)
* Adding a valgrind build on debug Python 3.9

Co-authored-by: Boris Staletic <boris.staletic@gmail.com>

* Add Valgrind suppression files

- Introduce suppression file, populate it with a first suppression taken from CPython, and fix one leak in the tests
- Suppress leak in NumPy
- More clean tests!
- Tests with names a-e passing (except for test_buffer)
- Suppress multiprocessing errors
- Merge multiprocessing suppressions into other suppression files
- Numpy seems to be spelled with a big P
- Append single entry from valgrind-misc.supp to valgrind-python.supp, and make clear valgrind-python.supp is only CPython

Co-authored-by: Boris Staletic <boris.staletic@gmail.com>

* Enable test_virtual_functions with a workaround

* Add a memcheck cmake target

- Add a memcheck cmake target
- Reformat cmake
- Appease the formatting overlords - they are angry
- Format CMake valgrind target decently

* Update CI config to new action versions

* fix: separate memcheck from pytest

* ci: cleanup

* Merge Valgrind and other deadsnakes builds

Co-authored-by: Boris Staletic <boris.staletic@gmail.com>
Co-authored-by: Henry Schreiner <henryschreineriii@gmail.com>
2021-01-15 21:07:31 +01:00
Ralf W. Grosse-Kunstleve
8290a5a0da
clang -Wnon-virtual-dtor compatibility (#2626)
* Adding missing virtual destructors, to silence clang -Wnon-virtual-dtor warnings.

Tested with clang version 9.0.1-12 under an Ubuntu-like OS.
Originally discovered in the Google-internal environment.

* adding -Wnon-virtual-dtor for GNU|Intel|Clang
2020-10-29 06:12:14 -07:00
Eric Cousineau
c513b5e3c6
tests(CMakeLists): robustify against add'l versions of Boost (#2608)
* tests/CMakeLists: Robustify against add'l versions of Boost

* refactor: simpler impl

Co-authored-by: Henry Schreiner <henryschreineriii@gmail.com>
2020-10-18 20:42:48 -04:00
Henry Schreiner
63f2deea32 chore: update Eigen 2020-10-15 17:38:49 -04:00
Henry Schreiner
3488494a81
refactor: import check as a common function (#2526)
* feat: import check as a common function

* docs: add cmake to docs
2020-10-02 22:34:22 -04:00
Eric Cousineau
d74be32109
tests: Fix test override execution (#2512) 2020-09-22 12:01:15 -04:00
andriish
38370a87f4
fix: support NVIDIA-PGI HPC SDK (#2475)
* Added guards to the includes

Added new CI config

Added new trigger

Changed CI workflow name

Debug CI

Debug CI

Debug CI

Debug CI

Added flags fro PGI

Disable Eigen

Removed tests that fail

Uncomment lines

* fix: missing include

fix: minor style cleanup

tests: support skipping

ci: remove and tighten a bit

fix: try msvc workaround for pgic

* tests: split up prealoc tests

* fix: PGI compiler fix

* fix: PGI void_t only

* fix: try to appease nvcc

* ci: better ordering for slow tests

* ci: minor improvements to testing

* ci: Add NumPy to testing

* ci: Eigen generates CUDA warnings / PGI errors

* Added CentOS7 back for a moment

* Fix YAML

* ci: runs-on missing

* centos7 is missing pytest

* ci: use C++11 on CentOS 7

* ci: test something else

* Try just adding flags on CentOS 7

* fix: CentOS 7

* refactor: move include to shared location

* Added verbose flag

* Try to use system cmake3 on CI

* Try to use system cmake3 on CI, attempt2

* Try to use system cmake3 on CI, attempt3

* tests: not finding pytest should be a warning, not a fatal error

* tests: cleanup

* Weird issue?

* fix: final polish

Co-authored-by: Andrii Verbytskyi <andrii.verbytskyi@mpp.mpg.de>
Co-authored-by: Henry Schreiner <henryschreineriii@gmail.com>
Co-authored-by: Andrii Verbytskyi <averbyts@cern.ch>
2020-09-11 22:06:52 -04:00
Ciro Santilli
b47efd35fb
Use defined for some preprocessor variables that might be undefined (#2476)
The variables PYBIND11_HAS_OPTIONAL, PYBIND11_HAS_EXP_OPTIONAL, PYBIND11_HAS_VARIANT,
__clang__, __APPLE__ were not checked for defined in a minortity of instances.

If the project using pybind11 sets -Wundef, the warnings will show.

The test build is also modified to catch the problem.
2020-09-10 13:58:26 -04:00
Henry Schreiner
621906b3e7
fix: support nvcc and test (#2461)
* fix: support nvcc and test

* fixup! fix: support nvcc and test

* docs: mention what compilers fail

* fix: much simpler logic

* refactor: slightly faster / clearer
2020-09-10 11:49:26 -04:00
Henry Schreiner
04fdc44f50
tests: avoid putting build products into source directory (#2353)
* tests: keep source dir clean

* ci: make first build inplace

* ci: drop dev setting (wasn't doing anything)

* tests: warn if source directory is dirty
2020-08-19 13:11:57 -04:00
Henry Schreiner
1729aae96f
feat: new FindPython support (#2370)
* feat: FindPython support

* refactor: rename to PYBIND11_FINDPYTHON

* docs: Caps fixes

* feat: NOPYTHON mode

* test: check simple call

* docs: add changelog/upgrade guide

* feat: Support Python3 and Python2

* refactor: Use targets in tests

* fix: support CMake 3.4+

* feat: classic search also finds virtual environments

* docs: some updates from @wjakob's review

* fix: wrong name for QUIET mode variable, reported by @skoslowski

* refactor: cleaner output messaging

* fix: support debug Python's in FindPython mode too

* fixup! refactor: cleaner output messaging

* fix: missing pybind11_FOUND and pybind11_INCLUDE_DIR restored to subdir mode

* fix: nicer reporting of Python / PyPy

* fix: out-of-order variable fix

* docs: minor last-minute cleanup
2020-08-19 12:26:26 -04:00
Henry Schreiner
6404099712
docs: contrib/issue templates (#2377)
* docs: move helpers to .github where allowed

* docs: more guidelines in CONTRIBUTING

* chore: update issue templates

* fix: review from @bstaletic

* refactor: a few points from @rwgk

* docs: more touchup, review changes
2020-08-17 10:14:23 -04:00
Henry Schreiner
4d9024ec71
tests: cleanup and ci hardening (#2397)
* tests: refactor and cleanup

* refactor: more consistent

* tests: vendor six

* tests: more xfails, nicer system

* tests: simplify to info

* tests: suggestions from @YannickJadoul and @bstaletic

* tests: restore some pypy tests that now pass

* tests: rename info to env

* tests: strict False/True

* tests: drop explicit strict=True again

* tests: reduce minimum PyTest to 3.1
2020-08-16 16:02:12 -04:00
Henry Schreiner
f7abac6689
fix: boost's include dir was listed first (#2384) 2020-08-12 09:33:08 -04:00
Henry Schreiner
df115977df chore: cleanup 2020-08-06 11:54:41 -04:00
Henry Schreiner
94db5c5ed1 format: apply cmake-format 2020-07-30 20:27:55 -04:00
Henry Schreiner
e2a96890e1 format: add cmake-format to pre-commit 2020-07-30 20:27:55 -04:00
Henry Schreiner
6ec1775fff feat: drop CMake 3.6 and below, modernize CMake
fix: include PYTHON_IS_DEBUG
2020-07-30 20:27:55 -04:00
Henry Schreiner
1b880dfd5a ci: download EIGEN 2020-07-27 22:12:19 -04:00
Henry Schreiner
1f53c373e4 fix: C++17 mode on Clang may error 2020-07-26 09:25:27 -04:00
Henry Schreiner
a59c6de821 test: allow MSVC/Xcode to run the embed test 2020-07-23 17:42:53 -04:00
Henry Schreiner
49007b7ff3 test: fix warning/error on Python 2 in 14/17 mode 2020-07-23 17:42:53 -04:00
B Krishna Chaitanya
714424387f Refactor: Extract Custom Type Casts related tests 2020-07-01 00:07:49 +02:00
Eric Cousineau
2c30e0a118
cmake: Expose PYBIND11_TEST_OVERRIDE (#2218)
Primarily for the ccmake curses GUI
2020-05-31 07:00:55 +02:00