Proposed PEP: Treating Builtins as Constants in the Standard

[Daniel 'Dang' Griffith]

On Mon, 19 Apr 2004 08:09:56 -0400, Peter Hansen <peter at engcorp.com>
wrote:

[snip]
...
>automated testing.  The most easily demonstrated one is where
>the builtin open/file calls are replaced with a simulated ("mock")
>file system which applies to *all* modules, not just a single
>module under test.  This functionality is critical to some people
>using Python with the Test-Driven Development approach to software.

Isn't this the use case for AOP you were looking for?
    --dang