ceph/src/boost/libs/python/include/boost/python/numpy/numpy_object_mgr_traits.hpp

   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 /**
  11  *  @brief Macro that specializes object_manager_traits by requiring a
  12  *         source-file implementation of get_pytype().
  13  */
  14
  15 #define NUMPY_OBJECT_MANAGER_TRAITS(manager)                            \
  16 template <>                                                             \
  17 struct object_manager_traits<manager>                                   \
  18 {                                                                       \
  19   BOOST_STATIC_CONSTANT(bool, is_specialized = true);                   \
  20   static inline python::detail::new_reference adopt(PyObject* x)        \
  21   {                                                                     \
  22     return python::detail::new_reference(python::pytype_check((PyTypeObject*)get_pytype(), x)); \
  23   }                                                                     \
  24   static bool check(PyObject* x)                                        \
  25   {                                                                     \
  26     return ::PyObject_IsInstance(x, (PyObject*)get_pytype());           \
  27   }                                                                     \
  28   static manager* checked_downcast(PyObject* x)                         \
  29   {                                                                     \
  30     return python::downcast<manager>((checked_downcast_impl)(x, (PyTypeObject*)get_pytype())); \
  31   }                                                                     \
  32   static PyTypeObject const * get_pytype();                             \
  33 }
  34
  35 #endif
  36