More elegant way to try running a function X times?

[Nicholas Ferenc Fabry]

On Nov 19, 2008, at 09:09, Gilles Ganault wrote:

> Hello
>
> As a newbie, it's pretty likely that there's a smarter way to do this,
> so I'd like to check with the experts:
>
> I need to try calling a function 5 times. If successful, move on; If
> not, print an error message, and exit the program:
>
> =====
> success = None
>
> for i in range(5):
> 	#Try to fetch public IP
> 	success = CheckIP()
> 	if success:
> 		break
>
> if not success:
> 	print "Exiting."
> 	sys.exit()
> =====
>

A little simpler:

for i in range(5):
     if CheckIP():
         break
else:
     print "Exiting."
     sys.exit()

The else part will only fire if the for finishes without breaking.   
Hope this helps a bit...


Nick Fabry










> Thank you.
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