#include "python_utils.hpp"

std::string extractException()
{
  using namespace boost::python;

  PyObject *exc,*val,*tb;
  PyErr_Fetch(&exc,&val,&tb);
  PyErr_NormalizeException(&exc,&val,&tb);
  handle<> hexc(exc),hval(allow_null(val)),htb(allow_null(tb));
  if(!hval)
  {
    return extract<std::string>(str(hexc));
  }
  else
  {
    object traceback(import("traceback"));
    object format_exception(traceback.attr("format_exception"));
    object formatted_list(format_exception(hexc,hval,htb));
    object formatted(str("").join(formatted_list));
    return extract<std::string>(formatted);
  }
}