Catch and name an exception in Python 2.5 +
Thomas Jollans
t at jollybox.de
Fri Aug 26 16:36:21 EDT 2011
On 26/08/11 21:56, Steven D'Aprano wrote:
> In Python 3, you can catch an exception and bind it to a name with:
>
> try:
> ...
> except ValueError, KeyError as error:
> pass
>
> In Python 2.5, that is written:
>
> try:
> ...
> except (ValueError, KeyError), error:
> pass
>
> and the "as error" form gives a SyntaxError.
>
> Python 2.6 and 2.7 accept either form.
>
> Is there any way to catch an exception and bind it to a name which will work
> across all Python versions from 2.5 onwards?
>
> I'm pretty sure there isn't, but I thought I'd ask just in case.
It's not elegant, and I haven't actually tested this, but this should work:
try:
...
except (ValueError, KeyError):
error = sys.exc_info()[2]
--
Thomas
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