ceph/src/boost/libs/python/src/object/iterator.cpp

   1 // Copyright David Abrahams 2002.
   2 // Distributed under the Boost Software License, Version 1.0. (See
   3 // accompanying file LICENSE_1_0.txt or copy at
   4 // http://www.boost.org/LICENSE_1_0.txt)
   5
   6 #include <boost/python/object/iterator_core.hpp>
   7 #include <boost/python/object/function_object.hpp>
   8 #include <boost/bind.hpp>
   9 #include <boost/mpl/vector/vector10.hpp>
  10
  11 namespace boost { namespace python { namespace objects {
  12
  13 namespace
  14 {
  15   PyObject* identity(PyObject* args_, PyObject*)
  16   {
  17       PyObject* x = PyTuple_GET_ITEM(args_,0);
  18       Py_INCREF(x);
  19       return x;
  20   }
  21 }
  22
  23 BOOST_PYTHON_DECL object const& identity_function()
  24 {
  25     static object result(
  26         function_object(
  27             py_function(&identity, mpl::vector2<PyObject*,PyObject*>())
  28         )
  29     );
  30     return result;
  31 }
  32
  33 void stop_iteration_error()
  34 {
  35     PyErr_SetObject(PyExc_StopIteration, Py_None);
  36     throw_error_already_set();
  37 }
  38
  39 }}} // namespace boost::python::objects