1 // Copyright David Abrahams 2002. 2 // Distributed under the Boost Software License, Version 1.0. (See 3 // accompanying file LICENSE_1_0.txt or copy at 4 // http://www.boost.org/LICENSE_1_0.txt) 5 #ifndef PYOBJECT_TRAITS_DWA2002720_HPP 6 # define PYOBJECT_TRAITS_DWA2002720_HPP 7 8 # include <boost/python/detail/prefix.hpp> 9 # include <boost/python/converter/pyobject_type.hpp> 10 11 namespace boost { namespace python { namespace converter { 12 13 template <class> struct pyobject_traits; 14 15 template <> 16 struct pyobject_traits<PyObject> 17 { 18 // All objects are convertible to PyObject checkboost::python::converter::pyobject_traits19 static bool check(PyObject*) { return true; } checked_downcastboost::python::converter::pyobject_traits20 static PyObject* checked_downcast(PyObject* x) { return x; } 21 #ifndef BOOST_PYTHON_NO_PY_SIGNATURES get_pytypeboost::python::converter::pyobject_traits22 static PyTypeObject const* get_pytype() { return 0; } 23 #endif 24 }; 25 26 // 27 // Specializations 28 // 29 30 # define BOOST_PYTHON_BUILTIN_OBJECT_TRAITS(T) \ 31 template <> struct pyobject_traits<Py##T##Object> \ 32 : pyobject_type<Py##T##Object, &Py##T##_Type> {} 33 34 // This is not an exhaustive list; should be expanded. 35 BOOST_PYTHON_BUILTIN_OBJECT_TRAITS(Type); 36 BOOST_PYTHON_BUILTIN_OBJECT_TRAITS(List); 37 #if PY_VERSION_HEX < 0x03000000 38 BOOST_PYTHON_BUILTIN_OBJECT_TRAITS(Int); 39 #endif 40 BOOST_PYTHON_BUILTIN_OBJECT_TRAITS(Long); 41 BOOST_PYTHON_BUILTIN_OBJECT_TRAITS(Dict); 42 BOOST_PYTHON_BUILTIN_OBJECT_TRAITS(Tuple); 43 44 }}} // namespace boost::python::converter 45 46 #endif // PYOBJECT_TRAITS_DWA2002720_HPP 47