Overriding just a getter setter or a deleter of a property object

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When you inherit from a class with a property, you can provide a new implementation for one or more of the property getter, setter or deleter functions, by referencing the property object on the parent class:

class BaseClass(object):
    @property
    def foo(self):
        return some_calculated_value()

    @foo.setter
    def foo(self, value):
        do_something_with_value(value)

class DerivedClass(BaseClass):
    @BaseClass.foo.setter
    def foo(self, value):
        do_something_different_with_value(value)py

You can also add a setter or deleter where there was not one on the base class before.

Found a mistake? Have a question or improvement idea? Let me know.

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