[Zope-Coders] Re: ZCTextIndex too sensitive

[Casey Duncan]

On Thu, 12 Jun 2003 14:02:57 +0200
 Philipp von Weitershausen <philipp@weitershausen.de> wrote:
> Guido van Rossum wrote:
> >>But this should be ok:
> >>
> >>if callable(text):
> >>    try:
> >>        text.__call__
> >>    except AttributeError:
> >>        pass
> >>    else:
> >>        text = text()
> >
> >
> >In Python 2.2, yes.
> >
> >In Python 2.1.x, callable built-in objects don't necessarily have a
> >__call__ attribute.  Example:
> 
> Yes, but how likely is it that the field attribute of an object represented
> by text in the code above actually is a callable builtin object like len,
> zip, repr etc.?

Normal Function and method objects also lack __call__ in Python 2.1. However,
you could also add a test for im_func or something yucky like that...

-Casey