07.01.2011, 17:47, "Steven D'Aprano" <steve+comp.lang.pyt...@pearwood.info>:
> On Fri, 07 Jan 2011 16:47:55 +0200, kost BebiX wrote:
>
>> Well, actually the code you showed doesn't work)
>
> Actually, it does. It just prints a warning message as well. Look
> carefully:
>
>>>>> class A(object):
>> .. def __init__(self):
>> .. self.d = {}
>> .. def __getattr__(self, key):
>> .. try:
>> .. return self.d[key]
>> .. except KeyError:
>> .. raise AttributeError
>>>>> from copy import deepcopy
>>>>> a = A()
>>>>> deepcopy(a)
>> Exception RuntimeError: 'maximum recursion depth exceeded while calling
>> a Python object' in <type 'exceptions.AttributeError'> ignored
>> Exception RuntimeError: 'maximum recursion depth exceeded while calling
>> a Python object' in <type 'exceptions.AttributeError'> ignored
>> 0: <__main__.A object at 0xda0250>
>
> The last thing printed is the deepcopied object.
>
> I've tested the above code in Python versions 2.4 through 3.2 and the
> only one that prints that message is 2.6.
>
> --
> Steven
> --
> http://mail.python.org/mailman/listinfo/python-list
So maybe it should be fixed in 2.6? When I'll have time I'll look at copy.py in
different python's. Maybe there's the answer)
Thanks anyway.
--
http://mail.python.org/mailman/listinfo/python-list
