[New-bugs-announce] [issue27880] cPickle fails on large objects (still - 2011 and counting)
Robert Pierce
report at bugs.python.org
Sat Aug 27 15:16:24 EDT 2016
New submission from Robert Pierce:
cPickle fails on large objects, throwing a SystemError exception which is cryptic.
The issue was fixed for pickle in python 3 back in 2011 (http://bugs.python.org/issue11564), but never addressed in 2.7. It seems to be a recurring complaint (e.g., http://bugs.python.org/issue11872), but always seems to be closed without being fixed or explained why it cannot be fixed.
Test case from 2011 still fails:
>>> import cPickle; cPickle.dumps('a' * (2 ** 31),-1)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
SystemError: error return without exception set
----------
components: Library (Lib)
messages: 273795
nosy: robert at smithpierce.net
priority: normal
severity: normal
status: open
title: cPickle fails on large objects (still - 2011 and counting)
type: behavior
versions: Python 2.7
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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue27880>
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