Re: [Pyobjc-dev] ObjC exceptions, Python exceptions, the event loop

[Ronald O. <ous...@ci...>]

On Saturday, Jan 18, 2003, at 13:06 Europe/Amsterdam, Just van Rossum 
wrote:

> I'm wondering about ObjC exceptions: if an app throws an exception,
> could it be caught by the code that invokes the event loop? Hm,
> considering the call stack, I would think so. If this is indeed so, I
> would suggest to catch all exceptions in the AppKit.NSApplicationMain
> wrapper and convert it to a Python exception. Since the main program is
> a Python program, it makes sense for it to end as a real Python program
> instead of "crashing".

Your right. Somehow I forgot to add a try-block around the call to 
NSApplicationMain. The core module already does this for methodcalls.

>
> Additionally, if the exception is OC_PythonException, the _original_
> Python exception should be reraised, resulting in a decent traceback.
The support-code for exceptions in objc_util.m should do that, but I'm 
not entirely sure if we raise the same exception or a copy of it.

Ronald