Once your program is ready for release, you will probably want to package it properly before distributing it. If it consists of a single
.py file, this might not be much of an issue. If you’re dealing with nonprogrammer users, however, even placing a simple Python library in the right place or fiddling with the
PYTHONPATH may be more than they want to deal with. Users normally want to simply double-click an installation program, follow some installation wizard, and then have your program ready to run.
Lately, Python programmers have also become used to a similar convenience, although with a slightly more low-level interface. The Distutils toolkit ...