[Python-Dev] Mysterious Python pyc file corruption problems

[Antoine Pitrou]

On Thu, 16 May 2013 11:42:30 -0400
Barry Warsaw <barry at python.org> wrote:

> On May 16, 2013, at 08:33 AM, Nick Coghlan wrote:
> 
> >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.
> 
> It's possible that some Python written system service is getting invoked
> during the bytecompile-on-installation phase.  But now that we've found cases
> of this problem with Python 3.3, I'm less inclined to follow that line of
> reasoning since it implements atomic rename.

Please try to reproduce it by adding e.g. some sleep() calls in the
middle of the writing routine.

Regards

Antoine.