class Fingerprint(object):
def __init__(self, hash, key_type, hashtype):
bishop = Bishop(76)
self.atrium = Atrium(bishop, key_type, hashtype)
moves = self.hash_to_moves(hash)
lastmove = moves.pop()
for move in moves:
self.atrium.move(move)
self.atrium.finalise(lastmove)
def __str__(self):
return str(self.atrium)
def hash_to_moves(self, hash):
moves =[]
for word in hash:
for pair in (3, 2, 1, 0):
shift = pair*8
byte = (word & (255 << shift)) >> shift
for step in range(0, 8, 2):
mask = 3 << step
move = (byte & mask) >> step
moves.append(move)
return moves
