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Author SHA1 Message Date
Thomas Köppe
eeb1044818 [common.h] Mark entry point as "unused". 
This change defines a new, portable macro PYBIND11_MAYBE_UNUSED to
mark declarations as unused, and annotates the PYBIND11_MODULE entry
point with this attribute.

The purpose of this annotation is to facilitate dead code detection,
which might otherwise consider the module entry point function dead,
since it isn't otherwise used. (It is only used via FFI.)
 2020-06-05 01:53:26 +02:00
Andrey Dorozhkin
1817d2116a Disable defining (v)snprintf as macro in modern Visual Studio 2020-06-05 01:49:13 +02:00
Eric Cousineau
4e3d9fea74 operators: Explicitly expose py::hash(py::self) 
Add warnings about extending STL
 2020-05-31 07:03:01 +02:00
Eric Cousineau
5309573005 operators: Move hash check to before mutations, tweak whitespace 2020-05-31 07:03:01 +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
Andrew J. Hesford
a3118130c6
pytypes.h: fix docs generation (#2220) 2020-05-31 06:59:50 +02:00
Henry Schreiner
a38e5331d7
Fix CI, prepare test on Python 3.9 beta (#2233) 
* Test on Python 3.9 beta
* Pin Sphinx
* Newer version of PyPy
 2020-05-31 06:29:30 +02:00
Wenzel Jakob
a54eab92d2 Revert "Change __init__(self) to __new__(cls)" 
This reverts commit 9ed8b44033.
 2020-04-26 22:53:50 +02:00
Dustin Spicuzza
2c4cd8419d Add AutoWIG to list of binding generators (#1990) 
* Add AutoWIG to list of binding generators
 2020-04-26 18:40:54 +02:00
Nicholas Musolino
02c83dba0f Propagate exceptions in sequence::size() (#2076) 2020-04-26 18:40:52 +02:00
Yannick Jadoul
805c5862b6 Adding method names to cpp_function constructor calls in enum_base 2020-04-26 18:27:18 +02:00
Sebastian Koslowski
a86ac538f5 rename args_kw_only to kwonly 2020-04-26 18:07:51 +02:00
Jason Rhinelander
be0d804523 Support keyword-only arguments 
This adds support for a `py::args_kw_only()` annotation that can be
specified between `py::arg` annotations to indicate that any following
arguments are keyword-only.  This allows you to write:

    m.def("f", [](int a, int b) { /* ... */ },
          py::arg("a"), py::args_kw_only(), py::arg("b"));

and have it work like Python 3's:

    def f(a, *, b):
        # ...

with respect to how `a` and `b` arguments are accepted (that is, `a` can
be positional or by keyword; `b` can only be specified by keyword).
 2020-04-26 18:07:51 +02:00
peter
03f9e4a8ec Fix compilation with clang-cl 2020-04-26 09:47:34 +02:00
Dustin Spicuzza
0dfffcf257 Add is_final to disallow inheritance from Python 
- Not currently supported on PyPy
 2020-04-26 09:46:44 +02:00
MRocholl
b14aeb7cfa fix typo in sorted function call argument reverse 2020-04-26 09:29:29 +02:00
MRocholl
9358e30d2a change set_path to set_file 2020-04-26 09:29:29 +02:00
MRocholl
00c462d149 find library path to libclang.so via glob command in /usr/lib/llvm-* and set it 2020-04-26 09:29:29 +02:00
Orell Garten
9ed8b44033 Change __init__(self) to __new__(cls) 
__init__(self) cannot return values. According to https://stackoverflow.com/questions/2491819/how-to-return-a-value-from-init-in-python __new__(cls) should be used, which works.
 2020-04-26 09:21:42 +02:00
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