Practice Creating Custom Metaclasses - 5.3 | Chapter 5: Metaprogramming and Dynamic Code in Python | Python Advance
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Creating Custom Metaclasses

5.3 - Creating Custom Metaclasses

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is the default metaclass used in Python?

💡 Hint: Think about the built-in capabilities of Python.

Question 2 Easy

True or False: A metaclass can add attributes to classes on creation.

💡 Hint: Consider the capabilities of what a metaclass can do.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What method is overridden to modify class creation in a metaclass?

__init__
__new__
__call__

💡 Hint: Consider what method is responsible for instantiating objects.

Question 2

True or False: Metaclasses can be used to modify class attributes after a class is created.

True
False

💡 Hint: Think about the lifecycle of a class and when metaclasses come into play.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Create a custom metaclass that prevents a class from being created if it does not have any attributes defined.

💡 Hint: Loop through the dictionary to check for keys.

Challenge 2 Hard

Build a metaclass that adds a logging mechanism every time a method is called within the class.

💡 Hint: Think about how you would monitor messages before calling a method.

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