On Fri, 24 Feb 2017 11:19 am, Irv Kalb wrote:
> Hi,
>
> I have built a set of three classes:
>
> - A super class, let's call it: Base
[...]
> I would like to add is some "insurance" that I (or someone else who uses
> my code) never instantiates my Base class, It is not intended to be
> instantiated because some of the needed instance variables are only
> created in the __init__ method of ClassA and ClassB.
class Base:
def __init__(self):
if type(self) is Base:
raise TypeError("cannot instantiate Base class")
Does that help?
--
Steve
“Cheer up,” they said, “things could be worse.” So I cheered up, and sure
enough, things got worse.
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