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[GNUe-dev] Proposal: Handling of "uncaught exceptions" in forms

From: Johannes Vetter
Subject: [GNUe-dev] Proposal: Handling of "uncaught exceptions" in forms
Date: Tue, 10 Aug 2004 14:05:44 +0200


At the moment uncaught exceptions are not handled by the forms-client,
meaning they're passed through and displayed on the starting shell. As
we can see in the forms/uidrivers/<driver>/
implementations there was something like 'handleUncaughtException ()'.
But this function doesn't work for all drivers, i.e. wx

So what about the following solution:

a ui-driver can implement the function "handleUncaughtException (exType,
exValue, traceback)". If there's such a function it will be used as
exception-hook for the sys-module (sys.excepthook). The parameters of
this function are the same as returned by sys.exc_info () function.

if a ui-driver has no such support, it should *NOT* have a
'handleUncaughtException'. (like wx does by now)

Another idea would be if debug-level is greater than 0, the
handleUncaughtException could include a traceback, or otherwise just
display exception-type and message.

Suggestions and input are welcome,


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