import gphoto2 as gp
import cv2
import numpy as np

camera = gp.Camera()
camera.init()

def liveview():
    while True:
        # Pobierz klatkę z LiveView
        file = camera.capture_preview()
        data = file.get_data_and_size()
        frame = np.frombuffer(data, dtype=np.uint8)
        frame = cv2.imdecode(frame, cv2.IMREAD_COLOR)

        if frame is not None:
            cv2.imshow("LiveView", frame)

        if cv2.waitKey(1) == 27:  # ESC
            break

    cv2.destroyAllWindows()
    camera.exit()

if __name__ == "__main__":
    liveview()