Added boost header

test/external/boost/python/suite/indexing/container_utils.hpp

@@ -0,0 +1,57 @@
+
+//  (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 <utility>
+# include <boost/foreach.hpp>
+# include <boost/python/object.hpp>
+# include <boost/python/handle.hpp>
+# include <boost/python/extract.hpp>
+# include <boost/python/stl_iterator.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 iterable
+        BOOST_FOREACH(object elem,
+            std::make_pair(
+              boost::python::stl_input_iterator<object>(l),
+              boost::python::stl_input_iterator<object>()
+              ))
+        {
+            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