In terms of how to package code -- gist is obviously the easiest, since it comes built into the app. Git is available in stash or the working copy app, and is another good way. A rarely used method is to create an executable url, which opens a script directly into the app. Some have made their modules available on pypi. You could also just zip the files up and place somewhere, with a one liner to install (see the stash GitHub repo for such an example)
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