Thomas Girod wrote:
> Or maybe I'm mixing up what we call a "classmethod" with what we could
> call an "instance method" ?
>
That's what I was about to point out !-)
> class Data(list):
> __slots__ = ["width", "height", "label"]
>
> def __init__(self,width,height,label=None):
> list.__init__(self)
> self.width = width
> self.height = height
> self.label = label
>
> def clear(cls):
> while len(cls) > 0: del cls[0]
> return
> clear = classmethod(clear)
What about this ?
def clear(self):
del self[:]
As it's name (and signature) implies, a classmethod works on a class,
not on an instance of the class. Here, you are trying to compute the
length of *class* Data.
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bruno desthuilliers
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