Move MPI library to the top level

[SVN r36741]

src/python/py_request.cpp

@@ -0,0 +1,64 @@
+// (C) Copyright 2006 Douglas Gregor <doug.gregor -at- gmail.com>
+
+// Use, modification and distribution is subject to 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)
+
+//  Authors: Douglas Gregor
+
+/** @file request.cpp
+ *
+ *  This file reflects the Boost.MPI @c request class into
+ *  Python.
+ */
+#include <boost/python.hpp>
+#include <boost/mpi.hpp>
+
+using namespace boost::python;
+using namespace boost::mpi;
+
+namespace boost { namespace mpi { namespace python {
+
+extern const char* request_docstring;
+extern const char* request_wait_docstring;
+extern const char* request_test_docstring;
+extern const char* request_cancel_docstring;
+
+object request_wait(object req_obj)
+{
+  request& req = extract<request&>(req_obj)();
+  status stat = req.wait();
+  if (PyObject_HasAttrString(req_obj.ptr(), "value"))
+    return boost::python::make_tuple(stat, req_obj.attr("value"));
+  else
+    return object(stat);  
+}
+
+object request_test(object req_obj)
+{
+  request& req = extract<request&>(req_obj)();
+
+  if (optional<status> stat = req.test())
+    {
+      if (PyObject_HasAttrString(req_obj.ptr(), "value"))
+        return boost::python::make_tuple(stat, req_obj.attr("value"));
+      else
+        return object(stat);
+    }
+  else
+    return object();
+}
+
+void export_request()
+{
+  using boost::python::arg;
+  using boost::python::object;
+  
+  class_<request>("request", request_docstring, no_init)
+    .def("wait", &request_wait, request_wait_docstring)
+    .def("test", &request_test, request_test_docstring)
+    .def("cancel", &request::cancel, request_cancel_docstring)
+    ;
+}
+
+} } } // end namespace boost::mpi::python