[Python-Dev] Strange error importing a Pickle from 2.7 to 3.2

Jesus Cea jcea at jcea.es
Wed Feb 23 05:34:43 CET 2011


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On 23/02/11 03:31, Stephen J. Turnbull wrote:
> Please don't wait for consensus or even a second opinion to file the
> issue.
> 
> It's reasonable for a new Python user to ask whether something is a
> bug or not, but if somebody with your experience and contribution
> level to Python doesn't understand something, at the very least we
> have to suspect a doc bug.

Every time I read a message from Antoine Pitrou, Brett Cannon, Nick
Coghlan, Martin Löwis, Eric Smith, Steve Holden, Benjamin Peterson,
Victor Stinner, Greog Brandl, Raymond Hettinger, Guido and so many
others python-devs (not an exhaustive list, if you are not there, you
probably should, sorry :), I feel I am faking my knowledge of Python
:-). I am a pretender :).

BTW, this project is my first real python 3 code (I promised to myself
to move after 3.2 release, a year ago), for a real/big project, and I
was thinking that maybe I was overlooking something obvious for any
seasoned "real" python programmer.

I overcame my fear of being seen as a fool last millenia, so I am not
afraid of asking. Sometimes I even ask too much.

> OTOH, the testcase might require a lot of effort on your part.  Of
> course it's reasonable for you to check whether it's a simple
> misunderstanding before exerting that effort.

In fact, I invested *hours* trying to reduce my multimegabyte
problematic pickle to 41 bytes, but at this time I was already convinced
that I had hit an ugly and serious bug.

Issue filed. It already has a patch. That was fast!. Now I can sit back
waiting for 3.2.1 before touching my project again :). Mixed feelings
about the waiting. I hope it is short.

Life sucks sometimes :). Thanks $DEITY there are quite a few better
python-devs than me :).

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