1 // Copyright Jim Bosch 2010-2012. 2 // Copyright Stefan Seefeld 2016. 3 // Distributed under the Boost Software License, Version 1.0. 4 // (See accompanying file LICENSE_1_0.txt or copy at 5 // http://www.boost.org/LICENSE_1_0.txt) 6 7 #ifndef boost_python_numpy_numpy_object_mgr_traits_hpp_ 8 #define boost_python_numpy_numpy_object_mgr_traits_hpp_ 9 10 #include <boost/python/numpy/config.hpp> 11 12 /** 13 * @brief Macro that specializes object_manager_traits by requiring a 14 * source-file implementation of get_pytype(). 15 */ 16 17 #define NUMPY_OBJECT_MANAGER_TRAITS(manager) \ 18 template <> \ 19 struct BOOST_NUMPY_DECL object_manager_traits<manager> \ 20 { \ 21 BOOST_STATIC_CONSTANT(bool, is_specialized = true); \ 22 static inline python::detail::new_reference adopt(PyObject* x) \ 23 { \ 24 return python::detail::new_reference(python::pytype_check((PyTypeObject*)get_pytype(), x)); \ 25 } \ 26 static bool check(PyObject* x) \ 27 { \ 28 return ::PyObject_IsInstance(x, (PyObject*)get_pytype()); \ 29 } \ 30 static manager* checked_downcast(PyObject* x) \ 31 { \ 32 return python::downcast<manager>((checked_downcast_impl)(x, (PyTypeObject*)get_pytype())); \ 33 } \ 34 static PyTypeObject const * get_pytype(); \ 35 } 36 37 #endif 38 39