Since we're talking about class decorators, I have a question about function and instancemethod objects. The following code works
class Root(object): def index(self): return "Hello World!" index.exposed = True but this code class Root(object): def index(self): return "Hello World!" index.exposed = True gives the following exception Traceback (most recent call last): File "<stdin>", line 1, in <module> AttributeError: 'instancemethod' object has no attribute 'exposed' I can tell that instancemethods can't have attributes added to them outside of their class definition. Is this part of the Python language spec, or just an implementation detail of CPython? I bring this up here because it makes writing certain class decorators much more annoying. For example, if I want to write a class decorator that will set "exposed=True" for every method of a class, I must resort to shenanigans. - Eli
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