live view -> Capture in time

Hi Guys,

i need your help.
I try to make live view for few second and capture a picture just in time,
at the end.
My Problem. The camera (canon Eos 550d) need round about 2 seconds to
capture.
Have anyone ideas how can i implement it?

Thanks for your help!

My code:
-------

class camera(object):

    def __init__(self):
        logging.basicConfig(format='%(levelname)s:%(name)s:%(message)s',
level=logging.WARNING)
        gp.check_result(gp.use_python_logging())
        self.camera = gp.check_result(gp.gp_camera_new())
        gp.check_result(gp.gp_camera_init(self.camera))

    def get_camera(self):
        return self.kamera

    def capture(self):
        bild_path = gp.check_result(gp.gp_camera_capture(self.camera,
gp.GP_CAPTURE_IMAGE))

        kamera_file = gp.check_result(
            gp.gp_camera_file_get(self.kamera, bild_path.folder,
bild_path.name, gp.GP_FILE_TYPE_NORMAL))
        target = os.path.join('/tmp', bild_path.name)

        gp.check_result(gp.gp_file_save(kamera_file, target))
        # print(str(target))
        return Image.open(target)

    def statuscamera(self):
        return True

    def startLiveView(self):
        self.camera_file =
gp.check_result(gp.gp_camera_capture_preview(self.camera))

        file_data =
gp.check_result(gp.gp_file_get_data_and_size(self.camera_file))
        # display image
        data = memoryview(file_data)

        image = Image.open(io.BytesIO(file_data))
        # self.lastPicture=image

        return image

    def killStream(self):
        gp.gp_camera_exit(self.camera)



cameraObject = camera()



i=10
while i<1:
    cameraObject.startLiveView()
    i=i-1
cameraObject.capture()



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