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Showing posts with the label Metaclass

Subclassing Type Vs Object In Python3

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

Python Apply Decorator To Every Method In A Class Without Inspect

Slightly modifying the answer from Applying python decorators to methods in a class, it is possible… Read more Python Apply Decorator To Every Method In A Class Without Inspect

Python Class Inherited Singleton Inits Instance On Every Call

I'm trying to implement class inherited singleton as described here (Method 2). Going over the … Read more Python Class Inherited Singleton Inits Instance On Every Call

How To Keep Track Of Keywords Passed To Metaclass?

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?

How To Register Implementation Of Abc.mutablemapping As A Dict Subclass?

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?

Metaclass Vs Inheritance For Predefined Class Creation

I'm writing some code for a program that will be able to run some software, read the inputs/out… Read more Metaclass Vs Inheritance For Predefined Class Creation

What's The Correct Way To Implement A Metaclass With A Different Signature Than `type`?

Say I want to implement a metaclass that should serve as a class factory. But unlike the type const… Read more What's The Correct Way To Implement A Metaclass With A Different Signature Than `type`?

Subclass __module__ Set To Metaclass Module When Manually Creating New Class With Type()

In the following example, the newly created subclass ends up being the metaclass __module__ rather … Read more Subclass __module__ Set To Metaclass Module When Manually Creating New Class With Type()