webcam2.py 文件源码

def get_backlight(self):

        subprocess.call(shlex.split(COMMAND))
        pixbuf = GdkPixbuf.Pixbuf.new_from_file('/tmp/fswebcam.jpg')
        image = Image.frombytes('RGB',
                                (pixbuf.get_width(),
                                 pixbuf.get_height()),
                                pixbuf.get_pixels())
        pixbuf.savev('/home/lorenzo/Escritorio/test.png', "png", [], [])
        return calculation.calculate_brightness_for_image(image)