"... Do you send your setup.py to those third party app devs? ..." Along with the tests, docs the "setup" should be part of the files you supply. As for only

"... Do you send your setup.py to those third party app devs? ..." Along with the tests, docs the "setup" should be part of the files you supply. As for only using the mods that are part of the standard library, what happens if you don't do 'standard' things? Do you re-write everything (only using the standard library?)