[Python-3000] self-contained exceptions

[Collin Winter]

On 1/10/07, Jim Jewett <jimjjewett at gmail.com> wrote:
> On 1/10/07, Collin Winter <collinw at gmail.com> wrote:
> >     re = get_resource()
> ...
> >     except RareException as re:
> ...
> >     re.use_resource()
>
> > So 're = None; del re;' is *only* executed if the except body is executed.
>
> So re.use_resource() will usually work (as it does today).
>
> The difference is that when it doesn't work, you'll see something
> about NoneType instead the exception type.

You're forgetting about the 'del N'; re.use_resource() will fail with
a NameError at the call site.

Collin Winter