'Get the value of the property on named interface. interface_name
may be empty, but if there are many properties with the same name the
behaviour is undefined.'

@method(PROPERTIES_IFACE, in_signature='ss', out_signature='v')
def Get(self, interface_name, property_name):

    prop = self._get_decorator(interface_name, property_name)
    if (not prop.fget):
        raise DBusException(('Property    %s    not    readable' % property_name))
    return prop.fget(self)
