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36 from blocker import Blocker
37 from mapper import Mapper
41 Required contstructor parameters: path, block_size, hash_algorithm.
44 def __init__(self, **params):
46 if path and not os.path.exists(path):
48 if not os.path.isdir(path):
49 raise RuntimeError("Cannot open path '%s'" % (path,))
51 p = {'blocksize': params['block_size'],
52 'blockpath': os.path.join(path + '/blocks'),
53 'hashtype': params['hash_algorithm']}
54 self.blocker = Blocker(**p)
55 p = {'mappath': os.path.join(path + '/maps'),
56 'namelen': self.blocker.hashlen}
57 self.mapper = Mapper(**p)
60 return self.mapper.map_retr(hash)
62 def map_put(hash, map):
63 self.mapper.map_stor(hash, map)
66 blocks = self.blocker.block_retr((hash,))
72 hashes, absent = self.blocker.block_stor((data,))
75 def block_update(hash, offset, data):
76 h, e = self.blocker.block_delta(hash, ((offset, data),))
79 def block_search(map):
80 return self.blocker.block_ping(map)