1 files changed, 102 insertions, 0 deletions
diff --git a/libs/mpi/src/python/py_request.cpp b/libs/mpi/src/python/py_request.cpp
new file mode 100644
index 000000000..53aa4dedf
--- /dev/null
+++ b/libs/mpi/src/python/py_request.cpp
@@ -0,0 +1,102 @@
+// (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>
+#include "request_with_value.hpp"
+
+using namespace boost::python;
+using namespace boost::mpi;
+
+const object python::request_with_value::get_value() const 
+{
+  if (m_internal_value.get())
+    return *m_internal_value;
+  else if (m_external_value)
+    return *m_external_value;
+  else
+  {
+    PyErr_SetString(PyExc_ValueError, "request value not available");
+    throw boost::python::error_already_set();
+  }
+}
+
+const object python::request_with_value::get_value_or_none() const 
+{
+  if (m_internal_value.get())
+    return *m_internal_value;
+  else if (m_external_value)
+    return *m_external_value;
+  else
+    return object();
+}
+
+const object python::request_with_value::wrap_wait()
+{
+  status stat = request::wait();
+  if (m_internal_value.get() || m_external_value)
+    return boost::python::make_tuple(get_value(), stat);
+  else
+    return object(stat);
+}
+
+const object python::request_with_value::wrap_test()
+{
+  ::boost::optional<status> stat = request::test();
+  if (stat)
+  {
+    if (m_internal_value.get() || m_external_value)
+      return boost::python::make_tuple(get_value(), *stat);
+    else
+      return object(*stat);
+  }
+  else
+    return object();
+}
+
+
+namespace boost { namespace mpi { namespace python {
+
+extern const char* request_docstring;
+extern const char* request_with_value_docstring;
+extern const char* request_wait_docstring;
+extern const char* request_test_docstring;
+extern const char* request_cancel_docstring;
+extern const char* request_value_docstring;
+
+void export_request()
+{
+  using boost::python::arg;
+  using boost::python::object;
+  
+  {
+    typedef request cl;
+    class_<cl>("Request", request_docstring, no_init)
+      .def("wait", &cl::wait, request_wait_docstring)
+      .def("test", &cl::test, request_test_docstring)
+      .def("cancel", &cl::cancel, request_cancel_docstring)
+      ;
+  }
+  {
+    typedef request_with_value cl;
+    class_<cl, bases<request> >(
+        "RequestWithValue", request_with_value_docstring, no_init)
+      .def("wait", &cl::wrap_wait, request_wait_docstring)
+      .def("test", &cl::wrap_test, request_test_docstring)
+      ;
+  }
+
+  implicitly_convertible<request, request_with_value>();
+}
+
+} } } // end namespace boost::mpi::python