define slots - UsingSlots - Python Wiki bm888 slot

While you can dynamically add attributes to “things” in Python, slots restrict this functionality. When you add a __slots__ attribute to a class, you pre-define which member attributes you allow.

Define Lot Line. means any boundary of a lot.

You need define signal and slots in your classes. Add to header of your class, for example signals to MainWindow, slots to Computations.

You can define the slots you want to support, as well as attributes such as memory and rules for slot tagging and/or slot manipulation. ...