[EMAIL PROTECTED] wrote:
> hi, i have some code where i set a bool type variable and if the value
> is false i would like to return from the method with an error msg..
> being a beginner I wd like some help here
>
> class myclass:
> .........
> def mymethod(self):
> success=True
> msg="all validation OK"
> success=validateSthing()
> if(success==False):
> msg="sthing failed"
> return (success,msg)
>
> dosomeprocessing()
> .....
> success=validateSthingelse()
> if(success==False):
> msg="sthingelse failed"
> return (success,msg)
> domoreprocessing()
> ....
> return(success,msg)
>
> i would like to know if this way of doing this is OK..I have need of
> many kinds of validations in this ..is there a better way of doing
> this ?
to test boolean values, it's usually better to use plain "if" or "if
not" statements:
if success:
... handle success here ...
if not success:
... handle failure here ...
to report failures, use exceptions (the raise and try/except
statements). see the tutorial for more on this topic.
</F>
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