On Wed, May 4, 2011 at 3:13 PM, Peter Otten <__pete...@web.de> wrote: > Kushal Kumaran wrote: > >> On Tue, May 3, 2011 at 5:31 PM, Peter Otten <__pete...@web.de> wrote: >>> <snip> >>> >>> Also you should make the try...except as narrow as possible >>> >>> try: >>> centimeters = float(centimeters) >>> except ValueError as e: >>> print e >>> >>> is likely to catch the float conversion while with many statements in the >>> try-suite you are more likely to hide a problem that is unrelated to that >>> conversion. >>> >> >> I would have expected it to be the other way. If you cannot >> reasonable expect to continue after an exception, then the try block >> should extend all the way across the block of code you want to skip. >> In your snippet, what if some code later is relying on the >> 'centimeters' variable having a useful float value? IMO, >> encapsulating small bits of code in try ... except blocks really makes >> code written using exceptions look ugly. > > Instead of repeating what Alan said I'll give you a side-by-side example: > > <snip code>
Thanks Peter. That was an interesting example. -- regards, kushal _______________________________________________ Tutor maillist - Tutor@python.org To unsubscribe or change subscription options: http://mail.python.org/mailman/listinfo/tutor
