[issue46814] Documentation for constructing abstract base classes is misleading

[Guido van Rossum]

Guido van Rossum  added the comment:

Raymond, I agree that this is going too far. I believe the OP has taken the 
position that "abstract" has only one meaning and it is defined by 
inspect.isabstract(). I disagree with this.

An ABC is an ABC is an ABC, and it provides certain functionality through the 
ABCMeta metaclass: (1) forbid instantiation when at least one 
@abstractmethod-decorated method exist that isn't overridden, and (2) virtual 
subclasses.

Calling out that a class with metaclass=ABCMeta is only abstract when it has at 
least one @abstractmethod left, over and over, is not helpful.

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[issue46814] Documentation for constructing abstract base classes is misleading

[Raymond Hettinger]

Raymond Hettinger  added the comment:

FWIW, I’m only -0 on this.   It is also perfectly reasonable to say that a 
class is abstract if and only if there is at least one remaining abstract 
method.  After 15 years though, I’m inclined to say that the status quo wins.

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[issue46814] Documentation for constructing abstract base classes is misleading

[Alex Waygood]

Change by Alex Waygood :


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title: Documentation for constructin abstract base classes is misleading -> 
Documentation for constructing abstract base classes is misleading

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