Metaclasses are advanced and you generally don’t need to know about them or make use of them. But knowing how they work might suggest alternative approaches to many problems. This extract is from my ...

Hans Nowak explains how Python metaclasses are evil. "My main gripe with metaclasses is that many people have difficulty understanding them, yet everybody and their daughter seems to use them, even ...

Many languages have the concept of a final class – one that cannot be inherited. Python does not have such a facility as any class can be inherited, but you can use a metaclass to make the equivalent ...