coding for multiple versions of python

["Martin v. Löwis"]

> He's assuming:
>    1) an OS that supports symlinks
>    2) two versions of Python on same system
>    3) one set of pure-python sources that want to stay in synch for both
> versions.

Actually, the OP said he has HP(-UX, I assume), and Linux, so it would
be two versions of Python on different systems - I also assume that he
has an NFS server that both can mount (or that one machine can NFS mount
the other).

Regards,
Martin