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From: Peter Otten <__peter__@web.de>
Subject: Re: To pickle or not to pickle
Date: Fri, 08 May 2015 12:32:50 +0200
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Xref: csiph.com comp.lang.python:90135

Cecil Westerhof wrote:

> I first used marshal in my filebasedMessages module. Then I read that
> you should not use it, because it changes per Python version and it
> was better to use pickle. So I did that and now I find:
>     https://wiki.python.org/moin/Pickle
> 
> Is it really that bad and should I change again?

Let's say it the other way around: pickle is fine for short term storage 
when the generation of the file is under your control and you only need to 
access it from Python. 

Does that description fit your requirements?