What Is a Descriptor?
Jacob Zimmerman · Apress eBooks · 2016
Put very simply, a descriptor is a class that can be used to call a method with simple dot notation, also referred to as attribute access, but there’s obviously more to it than that. It’s difficult to really explain beyond that without digging a little into how they’re implemented. So, here’s a high-level view of the descriptor protocol. These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.