[Python-Dev] Mysterious Python pyc file corruption problems (original) (raw)

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:

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 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 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) Comment: Using GnuPG with undefined - http://www.enigmail.net/ iEYEARECAAYFAlGUBvkACgkQ+gerLs4ltQ7nCwCcCfcAEGEN26qjQ9sGPaFRx1o4 DhwAoIlNwVU2lcJQ/hs5vQ1PXYT1uUwl =0s+X -----END PGP SIGNATURE-----

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