ceph/src/boost/libs/mpi/src/python/py_exception.cpp

   1 // Copyright (C) 2006 Douglas Gregor <doug.gregor -at- gmail.com>
   2 // Copyright (C) 2005 The Trustees of Indiana University.
   3
   4 // Use, modification and distribution is subject to the Boost Software
   5 // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
   6 // http://www.boost.org/LICENSE_1_0.txt)
   7
   8 //  Authors: Douglas Gregor
   9
  10 /** @file exception.cpp
  11  *
  12  *  This file reflects the Boost.MPI @c mpi_error class into
  13  *  Python.
  14  */
  15 #include <boost/python.hpp>
  16 #include <boost/mpi/exception.hpp>
  17 #include <string>
  18 #include <boost/lexical_cast.hpp>
  19 #include "utility.hpp"
  20
  21 using namespace boost::python;
  22 using namespace boost::mpi;
  23
  24 namespace boost { namespace mpi { namespace python {
  25
  26 extern const char* exception_docstring;
  27 extern const char* exception_what_docstring;
  28 extern const char* exception_routine_docstring;
  29 extern const char* exception_result_code_docstring;
  30
  31 str exception_str(const exception& e)
  32 {
  33   return str(std::string(e.what()) +
  34              " (code " + lexical_cast<std::string>(e.result_code())+")");
  35 }
  36
  37 void export_exception()
  38 {
  39   using boost::python::arg;
  40   using boost::python::object;
  41
  42   object type =
  43     class_<exception>
  44       ("Exception", exception_docstring, no_init)
  45       .add_property("what", &exception::what, exception_what_docstring)
  46       .add_property("routine", &exception::what, exception_routine_docstring)
  47       .add_property("result_code", &exception::result_code,
  48                     exception_result_code_docstring)
  49       .def("__str__", &exception_str)
  50     ;
  51   translate_exception<exception>::declare(type);
  52 }
  53
  54 } } } // end namespace boost::mpi::python