Re: [Pyobjc-dev] aspect/advice -- wrapping methods

[ytrewq1 <yt...@gm...>]

I verified that that works for a few cases here.  Thank you very much!

On 4/16/06, Ronald Oussoren <ron...@ma...> wrote:
> This one actually works:
>
> def addTracing(method):
>      origFunction =3D method.definingClass.instanceMethodForSelector_
> (method)
>
>      def wrapper(self, *args):
>          print "HERE!",self, args
>          return origFunction(self, *args)
>
>      setattr(method.definingClass, method.__name__.replace(':', '_'),
> wrapper)
>
>
> Ronald
>
> On 16-apr-2006, at 14:17, ytrewq1 wrote:
>
> > Thanks for the suggestion.  I tried it out and encountered a few
> > issues so
> > I tried the following modified version, but now I encounter
> > application
> > crashing:
> >
> > def addTracing(method):
> >     cls =3D method.definingClass
> >     nm  =3D method.selector.replace(':', '_')
> >     origMethod =3D cls.instanceMethodForSelector_(nm)
> >     def wrapper(self, *args):
> >         print self, args
> >         return origMethod(self, *args)
> >     setattr(cls, method.__name__, wrapper)
> >
> > In one crash, I noticed the following sort of output in Console.app:
> >
> > An uncaught exception was raised
> > exceptions.RuntimeError: maximum recursion depth exceeded
> > *** Uncaught exception: <OC_PythonException> exceptions.RuntimeError:
> > maximum recursion depth exceeded
> >
> > Does it look like I made inappropriate modifications?
> >
> > On 4/16/06, Ronald Oussoren <ron...@ma...> wrote:
> >>
> >> Something like this should do it:
> >>
> >> <warn>This code was typed in the browser</warn>
> >>
> >> def addTracing(method):
> >>      cls =3D method.im_class
> >>      nm  =3D method.sel_selector
> >>
> >>      origMethod =3D cls.instanceMethodForSelector_(nm)
> >>
> >>      def wrapper(self, *args):
> >>          print self, args
> >>          origMethod(self, *args)
> >>
> >>      setattr(cls, method.__name__, wrapper)
> >>
> >> addTracing(NSObject.init)
> >>
> >> Ronald
> >>
>
>