inline void legend(const std::map<std::string, std::string>& keywords)

{

detail::_interpreter::get();

// construct keyword args

PyObject* kwargs = PyDict_New();

for(std::map<std::string, std::string>::const_iterator it = keywords.begin(); it != keywords.end(); ++it)

{

PyDict_SetItemString(kwargs, it->first.c_str(), PyString_FromString(it->second.c_str()));

}

PyObject* res = PyObject_Call(detail::_interpreter::get().s_python_function_legend, detail::_interpreter::get().s_python_empty_tuple, kwargs);

if(!res) throw std::runtime_error("Call to legend() failed.");

Py_DECREF(kwargs);

Py_DECREF(res);

}