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Re: using split for a string : error
Chris Angelico wrote:
> I'd not consider the performance, but the correctness. If you're > expecting them to be integers, just cast them, and specifically > _don't_ catch ValueError. Any non-integer value will then noisily > abort the script. (It may be worth checking for blank first, though, > depending on the data origin.) Well, when I said you should catch the ValueError I didn't imply you should ignore the error and supress any error messages. Of course this depents on the use case. Maybe you want to raise another exception with a more user friendly error message or you might want to skip the line and just print a warning. :) What I'm trying to say: When I give a script/program to a user who is not a python programmer I don't want him to see an error message like "ValueError: invalid literal for int() with base 10: 'abc'" as this would help him in no way. |
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