def METHOD_NAME(self, program_file, write_file, render_data, progress_callback, completion_callback):
    new_instance = copy.deepcopy(self)
    new_instance.program_file = program_file
    new_instance.write_file = write_file
    new_instance.render_data = render_data
    new_instance.progress_callback = progress_callback
    new_instance.completion_callback = completion_callback
    _render_items.append(new_instance)
    new_instance.start_render()