Well, I would not want to copy a virtualenv from one machine onto another - that approach sounds like it's fraught with trouble.

I think the sane way to do it is to package your app using setuptools (and list dependencies) and then use pip install to install it in a new virtualenv on the production machines.

Here's how I do it on the project I'm currently on:

https://github.com/InsolvencyService/rps-alpha/blob/master/s...