Ramblings

March 12, 2008

Getters and setters in Python

Filed under: dev, python — michaelangela @ 3:54 pm

This is Python 2.2+ but it’s a good example. This page has a lot of Python-think on it as well.

Python Getters and Setters

Properties: attributes managed by get/set methods Properties are a neat way to implement attributes whose usage resembles attribute access, but whose implementation uses method calls. These are sometimes known as “managed attributes”. In prior Python versions, you could only do this by overriding __getattr__ and __setattr__; but overriding __setattr__ slows down all attribute assignments considerably, and overriding __getattr__ is always a bit tricky to get right. Properties let you do this painlessly, without having to override __getattr__ or __setattr__.

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