Class LockingGrid

example_code/item_073.py:298–313

from threading import Lock

class LockingGrid(Grid):
    def __init__(self, height, width):
        super().__init__(height, width)
        self.lock = Lock()

    def __str__(self):
        with self.lock:
            return super().__str__()

    def get(self, y, x):
        with self.lock:
            return super().get(y, x)

    def set(self, y, x, state):
        with self.lock:
            return super().set(y, x, state)


print("Example 8")