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// (C) Copyright Joel de Guzman 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 PY_CONTAINER_UTILS_JDG20038_HPP
# define PY_CONTAINER_UTILS_JDG20038_HPP
# include <boost/python/object.hpp>
# include <boost/python/handle.hpp>
# include <boost/python/extract.hpp>
namespace boost { namespace python { namespace container_utils {
template <typename Container>
void
extend_container(Container& container, object l)
{
typedef typename Container::value_type data_type;
// l must be a list or some container
for (int i = 0; i < l.attr("__len__")(); i++)
{
object elem(l[i]);
extract<data_type const&> x(elem);
// try if elem is an exact data_type type
if (x.check())
{
container.push_back(x());
}
else
{
// try to convert elem to data_type type
extract<data_type> x(elem);
if (x.check())
{
container.push_back(x());
}
else
{
PyErr_SetString(PyExc_TypeError, "Incompatible Data Type");
throw_error_already_set();
}
}
}
}
}}} // namespace boost::python::container_utils
#endif