Re: [Pyobjc-dev] PyObjC crash?

[Ronald O. <ron...@ma...>]

On 31-okt-2005, at 22:01, Michael Glassford wrote:

> I recently ran into a problem that I don't fully understand, and  
> thought I'd ask here for an explanation. It may also be a PyObjC  
> bug, in which case I thought you would want to know about it.
>
> If you do this:
>
> import Foundation
> class c(Foundation.NSObject):
>     def f(x):
>         pass
> c.f(None)
>
> You get an "Abort Trap" that kills the Python interpreter.

It's not supposed to do that ;-)

>
> If you don't use NSObject as a base class, you get "TypeError:  
> unbound method f() must be called with c instance as first argument  
> (got NoneType instance instead)", which is a lot friendlier error.
>
> No matter which base class you use, if you include "f = staticmethod 
> (f)" after the function definition, which is what I meant to do in  
> the first place, it works correctly.
>
> The real question is, why does using NSObject as a base class cause  
> a crash instead of a friendlier error? And can it be fixed?

It's a bug. I've just checked in a fix for the bug (revision 1744).

>
> Thanks!
>
> Mike
>
>
>
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