def decode(fin, fout, size):
root = read_tree(fin) # ハフマン木の読み込み
while size > 0:
node = root
while node.code is None:
if fin.getbit() == 0:
node = node.left
else:
node = node.right
BitIO.putc(fout, node.code)
size -= 1
def read_file(fin):
while True:
c = BitIO.getc(fin)
if c is None: break
yield c
