from picamera2 import Picamera2
import cv2

picam2 = Picamera2()
picam2.configure(picam2.create_preview_configuration(main={"size": (1024, 576)}))
picam2.start()

while True:
    frame = picam2.capture_array()
    cv2.imshow("Podgląd", frame)
    if cv2.waitKey(1) & 0xFF == ord('q'):
        break

cv2.destroyAllWindows()