文件增量同步标签存档订阅

果断代码~

import hashlib   
import os

#salder32, calder32 = [], []
#A, B = [], []

MOD_ALDER32 = 65521
chunksize = 32
# What the client should do
def alder32(data, start, offset):
    if start < 0: return 0L
    ret, a, b = 0L, 1L, 0L[……]

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