Thanks, that's pretty much what I thought (although I hadn't considered the sys.path and version dependency) . I'll proceed with the original plan. Cheers, Nick. -- Sent from my phone, thus the relative brevity :) -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://mail.python.org/pipermail/python-dev/attachments/20120511/1a1f3acb/attachment.html>