i mean isn't handled On Thu, Jun 24, 2010 at 9:12 AM, Christopher King <g.nius...@gmail.com>wrote:
> you mean it will always run even if the exception is handled? > > > On Thu, Jun 24, 2010 at 9:06 AM, Hugo Arts <hugo.yo...@gmail.com> wrote: > >> On Thu, Jun 24, 2010 at 4:36 AM, Christopher King <g.nius...@gmail.com> >> wrote: >> > In a try except clause, you can end with finally block. I know it >> runs >> > after the try and except blocks regardless of the outcome, but why use >> it. >> > Couldn't you just put the code after the try and except block without >> using >> > a finally block. Does the finally command do something I don't know >> about. >> > Does it make your program more understandable in some way? >> >> The thing about the finally block is that it *always* runs. If you >> just put some code after the try: except: clause, it won't run if >> >> a) the exception is not handled in the try: except: block, but higher >> up in the call stack >> b) the exception is not handled at all >> c) the exception handler terminates the program >> d) the exception handler raises another exception >> >> If you need to do some cleanup, putting it in a finally block is the >> only way to *guarantee* it will run. >> >> Hugo >> > >
_______________________________________________ Tutor maillist - Tutor@python.org To unsubscribe or change subscription options: http://mail.python.org/mailman/listinfo/tutor
