try/except/finally

[Ian Kelly]

On Sun, Jun 8, 2014 at 11:57 AM, Joshua Landau <joshua at landau.ws> wrote:
> On 8 June 2014 08:12, Marko Rauhamaa <marko at pacujo.net> wrote:
>>
>> Does anyone have an example motivating a return from finally? It seems
>> to me it would always be a bad idea as it silently clears all unexpected
>> exceptions.
>
> In a general sense:
>
>     try:
>         something_that_can_break()
>         return foo() # before clean_up
>     finally:
>         clean_up()
>         if default:
>             return default() # after clean_up()
>
> What's the best replacement? Note: I've never done this.

Why not just move the default out of the finally block?

    try:
        something_that_can_break()
        return foo() # before clean_up
    finally:
        clean_up()
    if default:
        return default() # after clean_up()