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Terry Kerr wrote Basically I want to know if anyone else has used zope for a commercial product b4, and how they did it. Is there anything in particular that I should know about. Should I just rely on a good software license to protect my code? Also...are .pyc files as platform independent as .py files?

Yes. Digital Creations, and the product was called Principia. I don't know if all the stuff with the mangled and encrypted byte code support is still there, tho. Anthony