Matt Gerrans wrote:
"Peter Hansen" <[EMAIL PROTECTED]> wrote:

Only pure Python code can run without change on a newer interpreter.

Is the interpreter smart enough to rebuild a pyc (if the corresponding py file is there of course) file that was built by a previous version?

Yes. The .pyc files contain a magic cookie that is different in each major version, so 2.4 will recompile your 2.3 .pyc files. .pyc files are not portable between versions, generally, excepting maintenance releases.

-Peter
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