[IronPython] Overloading __getattr__

[Michael Foord]

Dino Viehland wrote:
> Thanks for the bug report - this is fixed for the next release (the actual problem here is we were looking for instance members for special methods, which we shouldn't do).  You can actually get the fix now if you get the latest bits from IronPython on http://www.codeplex.com, but we should have a release real soon now.
>   
Great - you must have borrowed the time machine from Guido. :-)

Thanks

Michael Foord
http://www.resolversystem.com

> -----Original Message-----
> From: users-bounces at lists.ironpython.com [mailto:users-bounces at lists.ironpython.com] On Behalf Of Michael Foord
> Sent: Friday, June 16, 2006 8:03 AM
> To: Discussion of IronPython
> Subject: [IronPython] Overloading __getattr__
>
> Hello all,
>
> We have a problem with IronPython and overloading __getattr__, and use of the python magic methods (double underscore).
>
> To illustrate the problem :
>
> class Test(object):
>     def __getattr__(self, name):
>         print name
>         raise AttributeError("Go Away")
>
> if Test():
>     print "Hello"
>
> On CPython it does this :
>
> Hello
>
> On IronPython :
>
> __nonzero__
> Traceback (most recent call last):
>   File C:\Personal\Python Projects\modules in progress\ironpython\test.py, line 6, in Initialize
>   File C:\Personal\Python Projects\modules in progress\ironpython\test.py, line 4, in __getattr__
> AttributeError: Go Away
>
> We are trying to overload __getattr__ and getting calls to __hash__, __len__, __gt__ etc sent there in various places.
>
> All the best,
>
> Michael Foord
> http://www.resolversystems.com
>
>
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