On Tue, 3 Aug 2010 10:52:27 am Richard D. Moores wrote: > On Mon, Aug 2, 2010 at 16:57, Steven D'Aprano <[email protected]> wrote: > > # File *probably* doesn't exist. Consider better error checking. > > Steve, before I dig into your detailed reply, please tell me what you > meant by " # File *probably* doesn't exist. Consider better error > checking.".
open(pathname) will fail with an IOError for many reasons. It could be that the file simply doesn't exist, so it can't be opened. It could be that you don't have read permission, or that the disk is corrupt and even though you have permission to open the file, attempting to do so fails. For a simple script, it's acceptable to assume that the likely reason for IOError is that the file isn't there, and therefore creating it will solve the problem. But for a more solid program, you should inspect the exception to determine the error code, and then take appropriate action. -- Steven D'Aprano _______________________________________________ Tutor maillist - [email protected] To unsubscribe or change subscription options: http://mail.python.org/mailman/listinfo/tutor
