[Python-Dev] syntax misfeature (exception)

Georg Brandl g.brandl at gmx.net
Sat Jan 20 16:28:31 CET 2007


Neal Becker schrieb:
> I accidentally wrote:
> 
> try:
>  ...
> except a,b:
> 
> rather than:
> 
> try
>  ...
> except (a,b):
> 
> It appears that the 1st example syntax is silently accepted, but doesn't
> seem to work.  Is this true?  If so, I'd say it's a wart.

Both have a meaning: The first assigns the exception object to b, while the
second catches exception types a and b.

BTW, in Python 3.0, the first will be spelled "except a as b".

Please post questions about using the language to the comp.lang.python group.

cheers,
Georg



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