Python 3 Deep Dive Part 4 Oop !!better!! -

Now, my_dog is an object that has its own set of attributes and methods.

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from abc import ABC, abstractmethod

class PositiveNumber: def __set_name__(self, owner, name): self.name = name def __get__(self, obj, objtype=None): return obj.__dict__.get(self.name)

When you define a standard function inside a class, it is stored in the class namespace as a normal, unvalidated function object. python 3 deep dive part 4 oop

: Techniques for optimizing memory and restricting attribute creation using __slots__ , as well as creating robust constants with the Enum class. Why It Matters

Python intercepts attribute lookups through specific protocols: Now, my_dog is an object that has its

Controls the creation of raw instances; ideal for Singletons. Descriptors Abstracts attribute get/set rules across distinct classes. Inheritance Flow MRO / super()

MyClass = type('MyClass', (), {})

: A critical "Deep Dive" concept is that classes themselves are objects created from metaclasses (typically type ), allowing for dynamic class creation and modification at runtime. Technical Pillars

class Database(metaclass=MetaSingleton): def (self): print("Init called") from abc import ABC