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Python Metaclasses

Define rules and behaviors for class creation using type and metaclass.

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A metaclass is the class of a class. A class defines how an instance of the class behaves, while a metaclass defines how a class itself behaves. The default metaclass in Python is type.

Key Takeaways: Python Metaclasses

Mastering Python Metaclasses helps you write clean and reliable Python code. Follow standard conventions, test edge cases, and keep logic simple. Try running the code example below and complete the exercises to build confidence.

Python Metaclasses Code Example

Python 
class Meta(type):
    def __new__(cls, name, bases, dct):
        dct["created_by"] = "CodesInTech"
        return super().__new__(cls, name, bases, dct)

class BaseService(metaclass=Meta):
    pass

print(BaseService.created_by)
Output
CodesInTech
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Python Itertools and Collections

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