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How to Dynamically Create a Class at Runtime in Python?

You can dynamically create a class in Python using the built-in type() function. This is one of the simplest ways to leverage metaclasses.

Example:

# Create a new class dynamically
MyDynamicClass = type('MyDynamicClass', (object,), {
    'say_hello': lambda self: print("Hello!")
})

# Use the dynamically created class
obj = MyDynamicClass()
obj.say_hello()

Explanation:

* 'MyDynamicClass': Name of the new class
* (object,): Tuple of base classes (here, just inheriting from object)
* {'say_hello': ...}: Dictionary of attributes/methods for the class

Output:

Hello!

This is a powerful feature used in metaprogramming and framework design.



#PythonTips #Metaclass #PythonOOP #DynamicClass #typeFunction #AdvancedPython #CodingTips

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2.5K viewsMay 7 at 14:33

How to Dynamically Create a Class at Runtime in Python?

You can dynamically create a class in Python using the built-in type() function. This is one of the simplest ways to leverage metaclasses.

Example:

# Create a new class dynamically
MyDynamicClass = type('MyDynamicClass', (object,), {
    'say_hello': lambda self: print("Hello!")
})

# Use the dynamically created class
obj = MyDynamicClass()
obj.say_hello()

Hello!

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