On Wed, Feb 25, 2009 at 9:36 AM, RGK <bl...@empty.blank> wrote:
>
> I'm still learning, so eager to see if there is some community wisdom about
> use of the try/except structures in this situation.
>
> I find myself with some potentially risky stuff and wrap it in a try/except
> structure with good functional results, though my code leaves me a bit
> uneasy. Maybe it's just esoteric, but your input is appreciated.
>
> Consider
>
> try:
> do something 1
> do something 2
> do something 3
> do something 4
> ...
> do something 25
>
> except:
> print "Oops something didn't work"
>
>
> The risky things are just 1 & 2, and the others are not of concern, but are
> dependent on 1 & 2. The alternative is to do:
>
> wentOkay = True
> try:
> do something 1
> do something 2
>
> except:
> print "Oops something didn't work"
> wentOkay = False
>
> if wentOkay:
> do something 3
> do something 4
> ...
> do something 25
>
>
> Which seems a bit verbose, but likely the better approach. Is there some
> other option I should be considering?
Yes. try-except-*else*.
try:
do_something_1()
do_something_2()
except:
print "Houston, we have a problem"
else: #runs only if no exception was thrown
do_something_3()
do_something_4()
et_cetera()
Cheers,
Chris
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