Python Scalability

[Curtis Yanko]

In article <7i9l2l$5fu at world1.bellatlantic.net>,
  "David Cuthbert" <dacut at kanga.org> wrote:
> Greetings, Pythoners...
>
<snip>
> My biggest nit: those annoying AttributeError exceptions!  They
usually crop
> up when I'm changing things (adding a method a set of classes) and
don't do
> a thorough job (a rarely used class doesn't get the method added).
Then I
> call a function which uses the method, and -- oops! I passed in an
object
> whose class didn't get modified.  Down comes the AttributeError...
>
><snip>

>From a purely OO perspective, why are you breaking perfectly good
classes instead of using inheritance? You either need a base class for
this set of classes or you need to keep subclassing when you want to
extend the interface.
--
-Curtis Yanko


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