[issue7358] cPickle crash on failed assertion

2009-11-19 Thread Ryan Shaw 

New submission from Ryan Shaw ryan.s...@stanfordalumni.org:

def save_object(r, key, m):
r.set(key, cPickle.dumps(m))

[4]  save_object(r, 'cluster', cluster)
python: ./Modules/cStringIO.c:419: O_cwrite: Assertion `oself-pos + l  
2147483647' failed.
Aborted

Linux 2.6.30.9-96.fc11.x86_64 #1 SMP x86_64 GNU/Linux

--
components: Library (Lib)
messages: 95482
nosy: rybesh
severity: normal
status: open
title: cPickle crash on failed assertion
type: crash
versions: Python 2.6

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[issue7358] cPickle crash on failed assertion

2009-11-19 Thread Ryan Shaw 

Ryan Shaw ryan.s...@stanfordalumni.org added the comment:

r is the Redis python client. cluster is a large cluster tree along the 
lines of the cluster_node class found here: 
http://jesolem.blogspot.com/2009/04/hierarchical-clustering-in-python.html

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[issue7358] cPickle crash on failed assertion

2009-11-19 Thread Ryan Shaw 

Ryan Shaw ryan.s...@stanfordalumni.org added the comment:

I can't reproduce this in a self-contained script. Pickling a smaller 
cluster object and storing it in Redis works fine. The cluster object that 
caused the crash was large, a binary tree with 5000 leaves holding the 
results of a nine-hour calculation.

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