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I've been reading about metaclasses and I got lost when it came to type and object classes. I u… Read more Subclassing Type Vs Object In Python3

This is a follow-up question for unittest and metaclass: automatic test_* method generation: For th… Read more Nose, Unittest.testcase And Metaclass: Auto-generated Test_* Methods Not Discovered

I have a metaclass that accepts keyword arguments: class M(type): def __new__(cls, *args, **kwa… Read more How To Keep Track Of Keywords Passed To Metaclass?

I would like my SpreadSheet class below to be considered a dict subclass by the isinstance() built-… Read more How To Register Implementation Of Abc.mutablemapping As A Dict Subclass?

I am a bit surprised by the method call order and the different arguments when overriding new and i… Read more Arguments Of __new__ And __init__ For Metaclasses

I'm experiencing some really weird problems in Python when trying to inherit from a class with … Read more Weird Inheritance With Metaclasses

In most posts, people often say type is a built-in function if it is provided with one argument, an… Read more The Built-in Keyword Type Means A Function Or A Class In Python?

I'm trying to create an IsDescription subclass, so that I can define the structure of a table I… Read more How Can The Shape Of A Pytables Table Column Be Defined By A Variable?