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Copy pathraw_function.hpp
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executable file
·61 lines (50 loc) · 1.45 KB
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// Copyright David Abrahams 2003.
// 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 RAW_FUNCTION_DWA200336_HPP
# define RAW_FUNCTION_DWA200336_HPP
# include <boost/python/detail/prefix.hpp>
# include <boost/python/tuple.hpp>
# include <boost/python/dict.hpp>
# include <boost/python/object/py_function.hpp>
# include <boost/mpl/vector/vector10.hpp>
# include <boost/limits.hpp>
# include <cstddef>
namespace boost { namespace python {
namespace detail
{
template <class F>
struct raw_dispatcher
{
raw_dispatcher(F f) : f(f) {}
PyObject* operator()(PyObject* args, PyObject* keywords)
{
return incref(
object(
f(
tuple(borrowed_reference(args))
, keywords ? dict(borrowed_reference(keywords)) : dict()
)
).ptr()
);
}
private:
F f;
};
object BOOST_PYTHON_DECL make_raw_function(objects::py_function);
}
template <class F>
object raw_function(F f, std::size_t min_args = 0)
{
return detail::make_raw_function(
objects::py_function(
detail::raw_dispatcher<F>(f)
, mpl::vector1<PyObject*>()
, min_args
, (std::numeric_limits<unsigned>::max)()
)
);
}
}} // namespace boost::python
#endif // RAW_FUNCTION_DWA200336_HPP