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Coding Class Decorators
So far we’ve been coding function decorators to manage function calls, but as we’ve seen, Python 2.6 and 3.0 extend decorators to work on classes too. As described earlier, while similar in concept to function decorators, class decorators are applied to classes instead—they may be used either to manage classes themselves, or to intercept instance creation calls in order to manage instances. Also like function decorators, class decorators are really just optional syntactic sugar, though many believe that they make a programmer’s intent more obvious and minimize erroneous calls.
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