display.py 文件源码

def __get_driver(self):
        has_driver = False
        for driver in self._drivers:
            if not os.getenv('SDL_VIDEODRIVER'):
                os.putenv('SDL_VIDEODRIVER', driver)
            try:
                pygame.display.init()
            except pygame.error:
                print('Driver: {} not loaded.'.format(driver))
                continue
            print('Driver: {} used.'.format(driver))
            has_driver = True
            break

        if not has_driver:
            raise AssertionError('No video driver available for use!')