[Python-ideas] with statement vs. try...except...finally

[Guido van Rossum]

> On Sat, 30 May 2009 06:58:55 am Gerald Britton wrote:
>
>> I guess I'm wondering if we need a with...except construct so that we
>> can get exceptions that happen after the with context is entered
>> without wrapping the with statement in try...except.

On Fri, May 29, 2009 at 5:30 PM, Steven D'Aprano <steve at pearwood.info> wrote:
> Would this hypothetical construct:
>
> with some_context_manager() as obj:
>    do_something_with(obj)
> except Exception:
>    error_handler()
>
> catch exceptions in the context manager, the do_something_with() block,
> or both? Give reasons for why you make that choice.

-1. As Steven hints, this will just cause more bugs because people
won't guess the right semantics for corner cases, and corner cases are
all what except clauses are about.

-- 
--Guido van Rossum (home page: http://www.python.org/~guido/)