Re: [Python-Dev] PEP 463: Exception-catching expressions

2014年2月27日 11:57:06 -0800

On Fri, Feb 28, 2014 at 6:36 AM, Glenn Linderman <[email protected]> wrote:
> +1
>
> f() except ((TypeError, AttributeError): "No value")
>
> is a nice extension to the idea of
>
> value = expr except (
> Exception1: default1,
> Exception2: default2,
> Exception3: default3,
> )
>
> Which I've liked since I first saw it, as it neatly solves handling multiple
> except clauses.
You can already list multiple exception types. The definition of the
exception_list is exactly as per the try/except statement (bar the
'as' keyword, which I would love to see implemented some day).
ChrisA
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