Python bytecode compatibility between interpreter versions

Michael Hudson mwh at
Fri Mar 19 13:38:07 CET 2004

Jon Perez <jbperez808 at> writes:

> Can one run a 1.5 .pyc file with the 2.x version
> interpreters and vice versa?
> How about running a 2.x .pyc using a 2.y interpreter?

Both are hopeless, in practice.


  ZAPHOD:  OK, so ten out of ten for style, but minus several million
           for good thinking, eh?
                    -- The Hitch-Hikers Guide to the Galaxy, Episode 2

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