class Ship(object):·
·
    def make_ship(type):·
        if type == "shuttle":·
            return Shuttle()·
        if type == "freighter":·
            return Freighter()·
        if type == "frigate":·
            return Frigate()·
        #assert 0, "No such ship class %s" % type·
        cemit("space", "Invalid type passed to Ship.make_ship().")·
        return None·
        ·
    make_ship = staticmethod(make_ship)