class PiRGBArray:
    def __init__(self, camera):
        self.camera = camera

    def array():
        return True


class PiCamera:
    def __init__(self):
        self.resolution = (720, 480)
        self.zoom = (0, 0, 1, 1)

    def capture(self, stream, format="rgb"):
        # maybe log?
        return True
