python/include/boost/python/numpy/numpy_object_mgr_traits.hpp at develop · gst/python · GitHub

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// Copyright Jim Bosch 2010-2012.

// Copyright Stefan Seefeld 2016.

// Distributed under the Boost Software License, Version 1.0.

// (See accompanying file LICENSE_1_0.txt or copy at

// http://www.boost.org/LICENSE_1_0.txt)

#ifndef boost_python_numpy_numpy_object_mgr_traits_hpp_

#define boost_python_numpy_numpy_object_mgr_traits_hpp_

#include <boost/python/numpy/config.hpp>

/**

* @brief Macro that specializes object_manager_traits by requiring a

* source-file implementation of get_pytype().

#define NUMPY_OBJECT_MANAGER_TRAITS(manager) \

template <> \

struct BOOST_NUMPY_DECL object_manager_traits<manager> \

{ \

BOOST_STATIC_CONSTANT(bool, is_specialized = true); \

static inline python::detail::new_reference adopt(PyObject* x) \

{ \

return python::detail::new_reference(python::pytype_check((PyTypeObject*)get_pytype(), x)); \

} \

static bool check(PyObject* x) \

{ \

return ::PyObject_IsInstance(x, (PyObject*)get_pytype()); \

} \

static manager* checked_downcast(PyObject* x) \

{ \

return python::downcast<manager>((checked_downcast_impl)(x, (PyTypeObject*)get_pytype())); \

} \

static PyTypeObject const * get_pytype(); \

}

#endif

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