There's actually a really nifty app, whose name escapes me at the moment, that does this for virtually any linux program (not just python). It was a wrapper th

There's actually a really nifty app, whose name escapes me at the moment, that does this for virtually any linux program (not just python). It was a wrapper that calls your program, figures out the actual runtime dependencies and essentially creates an image of the all necessary components and bundles it up. I really wish I could remember its name, but it was designed for science researchers to help them publish reproducible code.