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from _multihash import CRC32, Ed2k, MD5, SHA1, _hash_file
hashes = {
'crc32': CRC32,
'ed2k': Ed2k,
'md5': MD5,
'sha1': SHA1}
class Multihash:
def __init__(self, *args):
if not args:
args = hashes.keys()
h = None
for hash in args:
h = hashes[hash](h)
setattr(self, hash, h.digest)
self.update = h.update
self.first = h
def hash_file(name, *algorithms):
f = open(name)
h = Multihash(*algorithms)
_hash_file(f.fileno(), h.first)
return h
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