def __init__(self, black_hole=None):
self._side_length = 8
self._cache = Cache.get_instance()
self.field = [[Player.EMPTY] * self._side_length
for i in range(self._side_length)]
half_length = self._side_length // 2
self.field[half_length -
1][half_length -
1] = self.field[half_length][half_length] = Player.WHITE
self.field[half_length -
1][half_length] = self.field[half_length][half_length -
1] = Player.BLACK
self.black_hole = black_hole
if black_hole is not None:
(row, col) = black_hole
self.field[row][col] = Player.HOLE
