def __init__(self, D=5):
self.keyspace = 
self.D = D
def partition(self, arg):
md5 = hashlib.md5(str(arg)).hexdigest()
return int(md5[:4], 16)
def add(self, hash):
for i in xrange(self.D):
k = self.partition("%s.%s"%(hash,i))
bisect.insort(self.keyspace, (k, hash))
def remove(self, hash):
self.keyspace = [i for i in self.keyspace if i != hash]
def __getitem__(self, i):
def hash(self, key):
p = self.partition(key)
i = bisect.bisect_left(self.keyspace, (p,None))
Monday, May 03, 2010
Consistent Hashing in Python, Redux.
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