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57 lines
2.3 KiB
57 lines
2.3 KiB
7 years ago
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#ifndef Corrade_Python_h
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#define Corrade_Python_h
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/*
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This file is part of Magnum.
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Copyright © 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019
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Vladimír Vondruš <mosra@centrum.cz>
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Permission is hereby granted, free of charge, to any person obtaining a
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copy of this software and associated documentation files (the "Software"),
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to deal in the Software without restriction, including without limitation
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the rights to use, copy, modify, merge, publish, distribute, sublicense,
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and/or sell copies of the Software, and to permit persons to whom the
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Software is furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included
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in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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DEALINGS IN THE SOFTWARE.
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*/
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#include <pybind11/pybind11.h>
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#include <Corrade/Utility/Assert.h>
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namespace Corrade {
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template<class T> inline pybind11::handle pyHandleFromInstance(T& obj) {
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/** @todo don't tell me there's no API for this either, ugh */
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return pybind11::detail::get_object_handle(&obj, pybind11::detail::get_type_info(typeid(T)));
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}
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template<class T> inline pybind11::object pyObjectFromInstance(T& obj) {
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/* reinterpret_borrow?! seriously?! */
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return pybind11::reinterpret_borrow<pybind11::object>(pyHandleFromInstance(obj));
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}
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template<class T> inline T& pyInstanceFromHandle(pybind11::handle handle) {
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/** @todo and this?! ugh! there's handle.cast() but that calls
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caster.load(handle, true) which we DO NOT WANT */
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/* Stolen from pybind11::class_::def_buffer(). Not sure what exactly it
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does, but I assume caster is implicitly convertible to Class& and thus
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can magically access the actual Class from the PyObject. */
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pybind11::detail::make_caster<T> caster;
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CORRADE_INTERNAL_ASSERT(caster.load(handle, /*convert=*/false));
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return caster;
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}
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}
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#endif
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