Interfaces throughout Python’s History

Like most Python features, the prominance of any proposal of the day was invariably tied to Guido’s sentiments. As such, we’ll focus the following walk through time according to those same flights of not-so- fancy.

A Summary

Proposals

In chronological order:

• http://old.zope.org/Members/jim/PythonInterfaces/Summary
• PEP 245 “Python Interface Syntax”
• PEP 246 “Object Adaptation”
• PEP 3107
• PEP 3119 “Introducing Abstract Base Classes”
• PEP 3124 “Overloading, Generic Functions, Interfaces, and Adaptation”
• PEP 3133 “Introducing Roles”

In the Beginning...

“protocols”

To the Interface!!!

types-sig zope.interface

Adapt or Die

“adaptation”

Generically Speaking...

generics

ABC, as Easy as 123

abstract base classes