A bug or a feature: how to avoid?
Duncan Booth
duncan at rcp.co.uk
Tue Nov 26 11:34:27 EST 2002
"Lexy Zhitenev" <zhitenev at cs.vsu.ru> wrote in
news:as06i3$4bi$1 at serv.vrn.ru:
> This code doesn't work, it raises SyntaxError
>
>>>> try:
> ... pass
> ... except IndexError, ValueError, NameError:
> Traceback ( File "<interactive input>", line 3
> except IndexError, ValueError, NameError:
> ^
> SyntaxError: invalid syntax
>>>>
>
> I don't want to write the code under try statement twice! What's the
> solution? Or it should be reported as a bug?
No bug. Put the exceptions in parentheses:
>>> try:
pass
except (IndexError, ValueError, NameError):
pass
The first parameter to except is either a single exception or a tuple of
exceptions, but this is one of the situations where the parentheses are
needed around the tuple.
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