Just some programming philosophy. On Fri, Jun 24, 2011 at 3:58 AM, Vincent Balmori <vincentbalm...@yahoo.com>wrote:
> > "Your whole approach is very fragile in this respect, it only > takes one small mistake in the data to wreck your program,. > Somethjing like a config file format would be much more > robust (and readable) the config reader module would make > sure you got what you expected back. " > > Can you please explain more on what you mean by this? > > > Alan Gauld wrote: > > > > > > "Vincent Balmori" <vincentbalm...@yahoo.com> wrote > > > >> It's working fine now with the scoring, but now at the end of the > >> program > >> for some reason I get this error message: > >> > > > "/Users/vincentbalmori/Desktop/Python/py3e_source/chapter07/trivia_challenge2.py", > >> line 27, in next_block > >> point = int(next_line(the_file)) > >> ValueError: invalid literal for int() with base 10: '' > > > > Thats because after the last question you try to read another > > block and don't check anywhere whether you actually read > > anything. Your next_block code just assumes there will > > always be valid data there, but at the end of the file there > > won't be. You get away with category being blank > > because replace() doesn't complain. But int() does. > > > > Your whole approach is very fragile in this respect, it only > > takes one small mistake in the data to wreck your program,. > > Somethjing like a config file format would be much more > > robust (and readable) the config reader module would make > > sure you got what you expected back. > > > > HTH, > > > > > > -- > > Alan Gauld > > Author of the Learn to Program web site > > http://www.alan-g.me.uk/ > > > > > > _______________________________________________ > > Tutor maillist - Tutor@python.org > > To unsubscribe or change subscription options: > > http://mail.python.org/mailman/listinfo/tutor > > > > > > -- > View this message in context: > http://old.nabble.com/Trivia-tp31917610p31917979.html > Sent from the Python - tutor mailing list archive at Nabble.com. > > _______________________________________________ > Tutor maillist - Tutor@python.org > To unsubscribe or change subscription options: > http://mail.python.org/mailman/listinfo/tutor >
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