def verify_priority(self):
if Bridge.bridge().bridge_priority != Priority.NONE:
if self.car_direction != Bridge.bridge().bridge_priority:
if Bridge.bridge_priority_semaphore._value == 0:
Bridge.bridge_priority_semaphore.acquire()
else:
if Bridge.bridge_priority_semaphore._value == 1:
Bridge.bridge_priority_semaphore.acquire()
def free_bridge_from_priority(self):
if Bridge.bridge().bridge_priority != Priority.NONE:
if self.car_direction == Bridge.bridge().bridge_priority:
if Bridge.bridge_priority_semaphore._value == 0:
Bridge.bridge_priority_semaphore.release()