fcicq

import hashlib, zlib
HASH_BLOCKSIZE = 65536
def filebaidumd5(f, size=262144):
  h1 = hashlib.md5()
  h2 = 0
  pos = 0
  buf = f.read(min(HASH_BLOCKSIZE, size))
  md5_at_size = None
  while buf:
    pos += len(buf)