webgobbler.py 文件源码

def image_saver(config, imageName='webgobbler.bmp', generateSingleImage=False):
    ''' Continuously generate new images (using the assembler_superpose) and save them
        into a file.
        config (an applicationConfig object) : the program configuration
        imageName (string): name of image to save (eg."toto.jpeg","dudu.png"...)
        generateSingleImage (bool): If True, will generate a single image.
    '''
    log = logging.getLogger('image_saver')
    a = assembler_superpose(pool=imagePool(config=config), config=config)
    a.start()
    try:
        while True:
            log.info("Generating a new image to %s" % imageName)
            a.superposeB()  # Evolve current image
            a.saveImageTo(imageName)
            if generateSingleImage:
                break
            log.info("Will generate a new image in %d seconds." %
                     config["program.every"])
            time.sleep(config["program.every"])
    finally:
        a.shutdown()
        a.join()