[Tutor] (no subject)
breamoreboy at yahoo.co.uk
Wed Jun 20 00:48:14 CEST 2012
On 19/06/2012 21:07, Dave Angel wrote:
> On 06/19/2012 03:35 PM, Selby Rowley-Cannon wrote:
>> Mailing list;
>> I have a small, [for the most part] functioning translation app for Rydish, a language created for the sole purpose of an RPG. The only problem is when I enter a word that has not yet been translated, I get this error:
>> Traceback (most recent call last):
>> File "translator.py", line 25, in<module>
>> File "translator.py", line 14, in Etranslate
>> KeyError: 'world'
>> Is there a way to print a user-freindly message instead of displaying a traceback?
> Even easier than catching an exception is to test for the condition you
> expect might not pass. Assuming your Edictionary is a dict, all you
> need to do is to make the reference conditional on the presence of that
> particular key.
> if Eword in Edictionary:
But note the comparison between LBYL and EAFP - I'll leave those
interested to google for it :)
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