Op 9/04/20 om 18:37 schreef Peter Otten:
Antoon Pardon wrote:
I am experimenting with subclasses that all need the same metaclass as the
base class. Is there a way to make the metaclass be inherited, so that you
don't have to repeat the "metaclass = MetaClass" with every subclass.
?
This is not only possible, this is the default:
>>> class Pardon(type): pass
...
class A(metaclass=Pardon): pass
...
class B(A): pass
...
type(B)
<class '__main__.Pardon'>
Can you explain what is wrong with the code below:
This produces only: Calling Pardon with A.
def Pardon(cls, *args):
print("Calling Pardon with", cls)
return type(cls, *args)
class A(metaclass=Pardon): pass
class B(A): pass
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