Use Data Classes to more easily manage our classes

[beauremus]

Data Classes provide a simple and reliable way to implement a class with a standard set of features. Here's a demo, https://youtu.be/vBH6GRJ1REM.

This is dependent on a minimum Python version of 3.7.

[rneswold]

The video also mentions an attr package, which may work for Python 3.6.

[beauremus]

It’s rigorously tested on Python 2.7, 3.5+, and PyPy.

So let's explore using attrs. https://www.attrs.org/

[rneswold]

ItemData and ItemStatus are two classes that come to mind that might benefit from this. Maybe the event class in the SYNC library, too. I don't think DPM or DPMContext would benefit.