New submission from Alberto Planas Domínguez <[email protected]>:
Sometimes, when I use cPickle to serialize tuples of strings, I get different
dumps() result for the same tuple:
import cPickle
t = ('<s>', 'JOHN')
s1 = cPickle.dumps(t)
s2 = cPickle.dumps(cPickle.loads(cPickle.dumps(t)))
assert s1 == s2 # AssertionError
With cPickle doesn't matter what protocol use por dumps(). The assertion is Ok
if I use the pickle module instead of cPickle.
This means that I can't use a serialized object as a key in a map/dict object.
----------
messages: 105896
nosy: Alberto.Planas.Domínguez
priority: normal
severity: normal
status: open
title: cPickle dumps(tuple) != dumps(loads(dumps(tuple)))
type: behavior
versions: Python 2.6
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Python tracker <[email protected]>
<http://bugs.python.org/issue8738>
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