Chris@16: 
Chris@16: //  (C) Copyright Joel de Guzman 2003.
Chris@16: //  Distributed under the Boost Software License, Version 1.0. (See
Chris@16: //  accompanying file LICENSE_1_0.txt or copy at
Chris@16: //  http://www.boost.org/LICENSE_1_0.txt)
Chris@16: 
Chris@16: #ifndef PY_CONTAINER_UTILS_JDG20038_HPP
Chris@16: # define PY_CONTAINER_UTILS_JDG20038_HPP
Chris@16: 
Chris@16: # include <utility>
Chris@16: # include <boost/foreach.hpp>
Chris@16: # include <boost/python/object.hpp>
Chris@16: # include <boost/python/handle.hpp>
Chris@16: # include <boost/python/extract.hpp>
Chris@16: # include <boost/python/stl_iterator.hpp>
Chris@16: 
Chris@16: namespace boost { namespace python { namespace container_utils {
Chris@16:         
Chris@16:     template <typename Container>
Chris@16:     void
Chris@16:     extend_container(Container& container, object l)
Chris@16:     {
Chris@16:         typedef typename Container::value_type data_type;
Chris@16:         
Chris@16:         //  l must be iterable
Chris@16:         BOOST_FOREACH(object elem,
Chris@16:             std::make_pair(
Chris@16:               boost::python::stl_input_iterator<object>(l),
Chris@16:               boost::python::stl_input_iterator<object>()
Chris@16:               ))
Chris@16:         {
Chris@16:             extract<data_type const&> x(elem);
Chris@16:             //  try if elem is an exact data_type type
Chris@16:             if (x.check())
Chris@16:             {
Chris@16:                 container.push_back(x());
Chris@16:             }
Chris@16:             else
Chris@16:             {
Chris@16:                 //  try to convert elem to data_type type
Chris@16:                 extract<data_type> x(elem);
Chris@16:                 if (x.check())
Chris@16:                 {
Chris@16:                     container.push_back(x());
Chris@16:                 }
Chris@16:                 else
Chris@16:                 {
Chris@16:                     PyErr_SetString(PyExc_TypeError, "Incompatible Data Type");
Chris@16:                     throw_error_already_set();
Chris@16:                 }
Chris@16:             }
Chris@16:         }          
Chris@16:     }
Chris@16: 
Chris@16: }}} // namespace boost::python::container_utils
Chris@16: 
Chris@16: #endif