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Code Issues Releases Wiki Activity

Various sha-related performance improvements.

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This commit is contained in:
Jonas Borgström 2010-10-19 00:14:12 +02:00
parent 52870eb2d8
commit 8d25f180f2
1 changed files with 9 additions and 5 deletions
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14
dedupestore/archiver.py
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@ -120,9 +120,10 @@ def extract(self, dest=None):
data = data[32:]
if hashlib.sha256(data).digest() != cid:
raise Exception('Invalid chunk checksum')
if hashlib.sha256(zlib.decompress(data)).digest() != id:
raise Exception('Invalid chunk checksum')
fd.write(zlib.decompress(data))
data = zlib.decompress(data)
# if hashlib.sha256(data).digest() != id:
# raise Exception('Invalid chunk checksum')
fd.write(data)
def verify(self):
for item in self.items:
@ -134,10 +135,13 @@ def verify(self):
data = self.store.get(NS_CHUNKS, id)
cid = data[:32]
data = data[32:]
if (hashlib.sha256(data).digest() != cid or
hashlib.sha256(zlib.decompress(data)).digest() != id):
if (hashlib.sha256(data).digest() != cid):
logging.error('%s ... ERROR', item['path'])
break
# if (hashlib.sha256(data).digest() != cid or
# hashlib.sha256(zlib.decompress(data)).digest() != id):
# logging.error('%s ... ERROR', item['path'])
# break
else:
logging.info('%s ... OK', item['path'])