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[Python-Dev] Mysterious Python pyc file corruption problems

Nick Coghlan ncoghlan at gmail.com
Thu May 16 00:33:08 CEST 2013 
On 16 May 2013 08:11, "Tres Seaver" <tseaver at palladion.com> wrote:
>
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> On 05/15/2013 04:58 PM, Barry Warsaw wrote:
> > This leads me to hypothesize that the bug is due to an as yet
> > unidentified race condition during installation of Python source code
> > on Ubuntu, which is normally when we automatically byte compile the
> > source to .pyc files.
>
> Any chance you are using 'detox' or the equivalent to run tests on
> mutliple interpreters in parallel?  The only "bad marshall data" errors I
> have seen lately seemed to be provoked by that kind of practice.

3.2 shouldn't have a problem with that if the interpreters are different
versions.

Personally, I would be suspicious of developmental web services doing
auto-reloading while an installer is recompiling the world. I don't have
enough context to be sure how plausible that is as a possible explanation,
though.

Cheers,
Nick.

>
>
>
> Tres.
> - --
> ===================================================================
> Tres Seaver          +1 540-429-0999          tseaver at palladion.com
> Palladion Software   "Excellence by Design"    http://palladion.com
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