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unexceptional exception handler

There’s an issue with the exception handler

You do a quick demo for the folks at Head-Ex and, even though the program
works, it’s not quite what they need.

I‛m not sure the error
message is really visible
in the title bar. If there
is an error, I really don‛t
want to miss it.

The error message is more visible than when it was appearing in the Python
Shell, but it isn’t a whole lot more visible. Sure, you’ve proved that you can
spot when an error happens and then run an exception handler in order to
do something about the error. But you really need to do something that will
interrupt the user and highlight the situation. You need something that will
force the user to acknowledge the error before he continues doing something
else.

A GUI message box might do the trick.

302 Chapter 8 ½