Daniel Arbuckle's Mastering Python

Modifying class attributes

Modifying class attributes is straightforward; we just use the built-in getattr, setattr, and delattr functions, as shown in the following code example:

In the preceding example, we see a simple class decorator that makes the attributes of the decorated class readable through the [] syntax; at the same time, it makes sure the class doesn't allow you to set or delete values through the [] syntax. While rewriting classes via decorators can be a powerful technique, it's not a complicated or surprising task, so there's nothing much to say about it.

We can also wrap up classes in their entirety. One common use of this ...