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Author SHA1 Message Date
David Stone
5088364b96 Declare operator== and operator!= member functions const. 2020-04-26 09:20:22 +02:00
Axel Huebl
6ebfc4b2b0 Document CMAKE_CXX_STANDARD 
This variable is a CMake community standard to set the C++
standard of a build. Document it in favor of the previous variable,
which stays as a legacy flag for existing projects.

https://cmake.org/cmake/help/v3.17/variable/CMAKE_CXX_STANDARD.html
 2020-04-26 09:17:10 +02:00
Chuck Atkins
d730fbc0d5 Utilize CMake's language standards abstraction when possible 2020-04-26 09:17:10 +02:00
Ralf W. Grosse-Kunstleve
f6e543b15e Adding a default virtual destructor to Animal type in test_tagbased_polymorphic.cpp. 
With this change, and cast.h as-is in master, test_tagbased_polymorphic.cpp fails to compile with the error message below.
With the cast.h change in pull/2016, building and testing succeeds.

cd pybind11/build/tests && /usr/bin/c++  -DPYBIND11_TEST_BOOST -DPYBIND11_TEST_EIGEN -Dpybind11_tests_EXPORTS -Ipybind11/include -I/usr/include/python3.7m -isystem /usr/include/eigen3  -Os -DNDEBUG -fPIC -fvisibility=hidden   -std=c++2a -flto -fno-fat-lto-objects -Wall -Wextra -Wconversion -Wcast-qual -Wdeprecated -o CMakeFiles/pybind11_tests.dir/test_tagbased_polymorphic.cpp.o -c pybind11/tests/test_tagbased_polymorphic.cpp
In file included from pybind11/include/pybind11/attr.h:13,
                 from pybind11/include/pybind11/pybind11.h:44,
                 from pybind11/tests/pybind11_tests.h:2,
                 from pybind11/tests/test_tagbased_polymorphic.cpp:10:
pybind11/include/pybind11/cast.h: In instantiation of ‘static std::pair<const void*, const pybind11::detail::type_info*> pybind11::detail::type_caster_base<type>::src_and_type(const itype*) [with type = Animal; pybind11::detail::type_caster_base<type>::itype = Animal]’:
pybind11/include/pybind11/cast.h:906:31:   required from ‘static pybind11::handle pybind11::detail::type_caster_base<type>::cast_holder(const itype*, const void*) [with type = Animal; pybind11::detail::type_caster_base<type>::itype = Animal]’
pybind11/include/pybind11/cast.h:1566:51:   required from ‘static pybind11::handle pybind11::detail::move_only_holder_caster<type, holder_type>::cast(holder_type&&, pybind11::return_value_policy, pybind11::handle) [with type = Animal; holder_type = std::unique_ptr<Animal>]’
pybind11/include/pybind11/stl.h:175:69:   required from ‘static pybind11::handle pybind11::detail::list_caster<Type, Value>::cast(T&&, pybind11::return_value_policy, pybind11::handle) [with T = std::vector<std::unique_ptr<Animal> >; Type = std::vector<std::unique_ptr<Animal> >; Value = std::unique_ptr<Animal>]’
pybind11/include/pybind11/pybind11.h:159:43:   required from ‘void pybind11::cpp_function::initialize(Func&&, Return (*)(Args ...), const Extra& ...) [with Func = std::vector<std::unique_ptr<Animal> > (*&)(); Return = std::vector<std::unique_ptr<Animal> >; Args = {}; Extra = {pybind11::name, pybind11::scope, pybind11::sibling}]’
pybind11/include/pybind11/pybind11.h:64:9:   required from ‘pybind11::cpp_function::cpp_function(Return (*)(Args ...), const Extra& ...) [with Return = std::vector<std::unique_ptr<Animal> >; Args = {}; Extra = {pybind11::name, pybind11::scope, pybind11::sibling}]’
pybind11/include/pybind11/pybind11.h:819:22:   required from ‘pybind11::module& pybind11::module::def(const char*, Func&&, const Extra& ...) [with Func = std::vector<std::unique_ptr<Animal> > (*)(); Extra = {}]’
pybind11/tests/test_tagbased_polymorphic.cpp:141:36:   required from here
pybind11/include/pybind11/cast.h:880:61: error: ambiguous template instantiation for ‘struct pybind11::polymorphic_type_hook<Animal, void>’
         const void *vsrc = polymorphic_type_hook<itype>::get(src, instance_type);
                            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~
pybind11/include/pybind11/cast.h:844:8: note: candidates are: ‘template<class itype> struct pybind11::polymorphic_type_hook<itype, typename std::enable_if<std::is_polymorphic<_Tp>::value, void>::type> [with itype = Animal]’
 struct polymorphic_type_hook<itype, detail::enable_if_t<std::is_polymorphic<itype>::value>>
        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
pybind11/tests/test_tagbased_polymorphic.cpp:115:12: note:                 ‘template<class itype> struct pybind11::polymorphic_type_hook<itype, typename std::enable_if<std::is_base_of<Animal, itype>::value, void>::type> [with itype = Animal]’
     struct polymorphic_type_hook<itype, detail::enable_if_t<std::is_base_of<Animal, itype>::value>>
            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from pybind11/include/pybind11/attr.h:13,
                 from pybind11/include/pybind11/pybind11.h:44,
                 from pybind11/tests/pybind11_tests.h:2,
                 from pybind11/tests/test_tagbased_polymorphic.cpp:10:
pybind11/include/pybind11/cast.h:880:61: error: incomplete type ‘pybind11::polymorphic_type_hook<Animal, void>’ used in nested name specifier
         const void *vsrc = polymorphic_type_hook<itype>::get(src, instance_type);
                            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~
 2020-04-14 17:48:43 +02:00
Ralf W. Grosse-Kunstleve
4697149d19 Allows users to specialize polymorphic_type_hook with std::enable_if. 
Currently user specializations of the form

template <typename itype> struct polymorphic_type_hook<itype, std::enable_if_t<...>> { ... };

will fail if itype is also polymorphic, because the existing specialization will also
be enabled, which leads to 2 equally viable candidates. With this change, user provided
specializations have higher priority than the built in specialization for polymorphic types.
 2020-04-14 17:48:43 +02:00
Wenzel Jakob
0234871649 begin working on next version 2020-03-31 13:09:41 +02:00
Wenzel Jakob
3b1dbebabc v2.5.0 release 2020-03-31 13:00:39 +02:00
Wenzel Jakob
bb9c91cce8 pybind11Tools.cmake: search for Python 3.9 2020-03-04 16:17:20 +01:00
Baljak
4f72ef846f Fix the use of MSVC in an MSYS environment (#2087) 2020-01-22 11:49:56 +01:00
fwjavox
e97c735fc4 stl_bind: add binding for std::vector::clear (#2074) 2020-01-17 01:16:56 +01:00
Baljak
07e2259322 Fix compilation with MinGW only (#2053) 2020-01-05 15:49:59 +01:00
Robert Haschke
370a2ae2b3 Declare call_impl() as && (#2057) 2020-01-05 15:49:24 +01:00
Wenzel Jakob
bf2b031449 Handle cases where binding code immediately throws py::error_already_set 
When binding code immediately throws an exception of type
py::error_already_set (e.g. via py::module::import that fails), the
catch block sets an import error as expected. Unfortunately, following
this, the deconstructor of py::error_already_set decides to call
py::detail::get_internals() and set up various internal data structures
of pybind11, which fails given that the error flag is active. The call
stack of this looks as follows:

Py_init_mymodule() -> __cxa_decrement_exception_refcount ->
error_already_set::~error_already_set() ->
gil_scoped_acquire::gil_scoped_acquire() -> detail::get_internals() ->
... -> pybind11::detail::simple_collector() -> uh oh..

The solution is simple: we call detail::get_internals() once before
running any binding code to make sure that the internal data structures
are ready.
 2020-01-02 22:18:03 +01:00
Wenzel Jakob
4c206e8c79 bindings for import_error exception 2020-01-02 22:17:20 +01:00
Wenzel Jakob
2fda9d5dd8 Travis CI fix (MacOS, Py3) 2019-12-31 01:26:40 +01:00
Wenzel Jakob
f9f3bd711f
Use C++17 fold expressions when casting tuples and argument lists (#2043) 
This commit introduces the use of C++17-style fold expressions when
casting tuples & the argument lists of functions.

This change can improve performance of the resulting bindings: because
fold expressions have short-circuiting semantics, pybind11 e.g. won't
try to cast the second argument of a function if the first one failed.
This is particularly effective when working with functions that have
many overloads with long argument lists.
 2019-12-30 01:26:32 +01:00
Vemund Handeland
6e39b765b2 Add C++20 char8_t/u8string support (#2026) 
* Fix test build in C++20

* Add C++20 char8_t/u8string support
 2019-12-19 12:16:24 +01:00
JGamache-autodesk
37d04abdee Fixes #1295: Handle debug interpreter (#2025) 
If a debug interpreter is detected, we allow linking with
pythonXX_d.lib under windows.
 2019-12-19 12:15:42 +01:00
Wenzel Jakob
b4e5d582cb undo #define copysign in pyconfig.h 2019-12-13 11:11:33 +01:00
Boris Staletic
1376eb0e51 Free tstate on python 3.7+ on finalize_interpreter (#2020) 2019-12-12 15:55:54 +01:00
Wenzel Jakob
fb910ae92b Revert "Fix a memory leak when creating Python3 modules. (#2019)" 
This reverts commit 819802da99.
 2019-12-11 21:26:46 +01:00
Nils Berg
819802da99 Fix a memory leak when creating Python3 modules. (#2019) 2019-12-11 16:01:45 +01:00
Boris Staletic
dc9006db4f Use newer macOS image for python3 testing 2019-12-11 13:17:03 +01:00
Boris Staletic
fe2a06e339 Pin breathe to 4.13.1 2019-12-11 13:17:03 +01:00
Isuru Fernando
3735249122 Install headers using both headers and package_data (#1995) 2019-11-28 15:59:23 +08:00
Wenzel Jakob
a60648223d Revert "numpy.h: minor preprocessor fix suggested by @chaekwan" 
This reverts commit 61e4f11823.
 2019-11-28 08:07:32 +01:00
Wenzel Jakob
61e4f11823 numpy.h: minor preprocessor fix suggested by @chaekwan 2019-11-28 07:42:34 +01:00
Eric Cousineau
baf69345f6 Minor modifications to interrupt handling FAQ (#2007) 2019-11-25 22:14:06 +08:00
Charles Brossollet
0f1d3bfee2 Add FAQ entry for dealing with long functions interruption (#2000) 
* Add FAQ entry, with code example, for dealing with long functions interruption
 2019-11-25 17:59:53 +08:00
Sebastian Koslowski
dc65d66171 support for readonly buffers (#863) (#1466) 2019-11-24 08:33:05 +01:00
Francesco Biscani
bd24155b8b Aligned allocation fix for clang-cl (#1988) 2019-11-16 01:18:24 +01:00
Francesco Biscani
deb3cb238a Add exception translation for std::overflow_error. (#1977) 2019-11-14 08:56:58 +01:00
Yannick Jadoul
55ff464233 Fixing SystemError when nb_bool/nb_nonzero sets a Python exception in type_caster<bool>::load (#1976) 2019-11-14 08:56:22 +01:00
Erick Matsen
b32b762c60 Fixing minor typo in basics.rst (#1984) 2019-11-14 08:54:46 +01:00
Matthew Dawkins
6f11347a30 Prevent cmake error when prefix empty (#1986) 2019-11-14 08:53:06 +01:00
Axel Huebl
a6355b00f8 CMake: Add Python 3.8 to pybind11Tools (#1974) 
Add Python 3.8 to considered versions in CMake for additional
hints.
https://cmake.org/cmake/help/v3.2/module/FindPythonLibs.html
 2019-10-31 12:40:15 +01:00
Sebastian Gsänger
a83d69e78f test pair-copyability on C++17 upwards (#1886) 
* test pair-copyability on C++17 upwards

The stdlib falsely detects containers like M=std::map<T, U>
as copyable, even when one of T and U is not copyable.
Therefore we cannot rely on the stdlib dismissing std::pair<T, M>
by itself, even on C++17.

* fix is_copy_assignable

bind_map used std::is_copy_assignable which suffers from the same problems
as std::is_copy_constructible, therefore the same fix has been applied.

* created tests for copyability
 2019-10-31 12:38:24 +01:00
Hans Dembinski
bdf6a5e870 Report type names in return value policy-related cast exceptions (#1965) 2019-10-23 13:19:58 +02:00
Hans Dembinski
c27a6e1378 make builds with python tests and cpp tests fail if either one fails (#1967) 2019-10-22 17:19:15 +02:00
Jeremy Nimmer
759221f5c5 Obey __cpp_sized_deallocation and __cpp_aligned_new 
Don't assume that just because the language version is C++17 that the
standard library offers all C++17 features, too.  When using clang-6.0
and --std=c++17 on Ubuntu 18.04 with libstdc++, __cpp_sized_deallocation
is false.
 2019-10-22 11:02:11 +02:00
Riccardo Bertossa
6c29cbf88d misleading comment corrected (strides in buffer_info is bytes and not number of entries) (#1958) 2019-10-18 17:55:17 +02:00
nicolov
de5a29c0d4 Fix build with -Wmissing-prototypes (#1954) 
When building with `-Werror,-Wmissing-prototypes`, `clang` complains about missing prototypes for functions defined through macro expansions. This PR adds the missing prototypes.

```
error: no previous prototype for function 'pybind11_init_impl_embedded' [
-Werror,-Wmissing-prototypes]                                           
PYBIND11_EMBEDDED_MODULE(embedded, mod) {                                             
^                                                                           
external/pybind11/include/pybind11/embed.h:61:5: note: expanded from macro 'PYBIND11_EMBEDDED_MODULE'
    PYBIND11_EMBEDDED_MODULE_IMPL(name)                                       \
    ^                                                                         
external/pybind11/include/pybind11/embed.h:26:23: note: expanded from macro 'PYBIND11_EMBEDDED_MODULE_IMPL'
      extern "C" void pybind11_init_impl_##name() {      \                  
                      ^                                             
<scratch space>:380:1: note: expanded from here                     
pybind11_init_impl_embedded                                                                                                                      
^                                                                                                                                                
1 error generated.
```
 2019-10-17 10:43:33 +02:00
Wenzel Jakob
dfde1554ea begin working on next version 2019-10-15 01:58:43 +02:00
Wenzel Jakob
80d452484c v2.4.3 release 2019-10-15 01:57:24 +02:00
Sergei Izmailov
6cb584e9de Adapt to python3.8 C API change (#1950) 
* Adapt to python3.8 C API change

Do `Py_DECREF(type)` on all python objects on deallocation

fix #1946

* Add bare python3.8 build to CI matrix

While numpy/scipy wheels are available, run python3.8 test without them
 2019-10-08 18:25:09 +02:00
Boris Dalstein
96be2c154f Fix version mismatch typos in .travis.yml (#1948) 2019-10-06 23:23:10 +02:00
Wenzel Jakob
34c2281e31 begin working on next version 2019-09-21 20:23:01 +02:00
Wenzel Jakob
2abd7e1eb4 updated release.rst to remove parts that are now automated 2019-09-21 20:22:33 +02:00
Wenzel Jakob
7ec2ddfc95 v2.4.2 release 2019-09-21 20:20:26 +02:00
Wenzel Jakob
7f5dad7d5f Remove usage of C++14 constructs (fixes #1929) 2019-09-21 19:03:14 +02:00