1 files changed, 39 insertions, 0 deletions
diff --git a/libs/python/src/object/iterator.cpp b/libs/python/src/object/iterator.cpp
new file mode 100644
index 000000000..3f6c4adac
--- /dev/null
+++ b/libs/python/src/object/iterator.cpp
@@ -0,0 +1,39 @@
+// Copyright David Abrahams 2002.
+// 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)
+
+#include <boost/python/object/iterator_core.hpp>
+#include <boost/python/object/function_object.hpp>
+#include <boost/bind.hpp>
+#include <boost/mpl/vector/vector10.hpp>
+
+namespace boost { namespace python { namespace objects { 
+
+namespace
+{
+  PyObject* identity(PyObject* args_, PyObject*)
+  {
+      PyObject* x = PyTuple_GET_ITEM(args_,0);
+      Py_INCREF(x);
+      return x;
+  }
+}
+
+BOOST_PYTHON_DECL object const& identity_function()
+{
+    static object result(
+        function_object(
+            py_function(&identity, mpl::vector2<PyObject*,PyObject*>())
+        )
+    );
+    return result;
+}
+
+void stop_iteration_error()
+{
+    PyErr_SetObject(PyExc_StopIteration, Py_None);
+    throw_error_already_set();
+}
+
+}}} // namespace boost::python::objects