[$] Python packaging, visions, and unification

The Python community is currently struggling with a longtime difficulty inits ecosystem: how to develop, package, distribute, and maintain librariesand applications. The current situation is sub-optimal in severaldimensions due, at least in part, to the existence of multiple,non-interoperable mechanisms and tools to handle some of those needs. Lastweek, we had an overview of Pythonpackaging as a prelude to starting to dig into the discussions. Inthis installment, we start to look at the kinds of problems that exist-andthe barriers to solving them.