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How to find all the subclasses of a class given its name with Python?

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Sometimes, we want to find all the subclasses of a class given its name with Python.

In this article, we’ll look at how to find all the subclasses of a class given its name with Python.

How to find all the subclasses of a class given its name with Python?

To find all the subclasses of a class given its name with Python, we can use the __subclasses__ property.

For instance, we write

class Foo(object): pass
class Bar(Foo): pass
class Baz(Foo): pass
class Bing(Bar): pass

print([cls.__name__ for cls in Foo.__subclasses__()])

to create 4 classes.

Then we get all the subclasses of Foo with Foo.__subclasses__().

And then we get the name of each class with the __name__ property.

Conclusion

To find all the subclasses of a class given its name with Python, we can use the __subclasses__ property.

By John Au-Yeung

Web developer specializing in React, Vue, and front end development.

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