Michael Foord wrote:
>> Note that the behaviour here is still different from that of a data
>> descriptor: with a data descriptor, once it gets shadowed in the
>> instance dictionary, the descriptor is ignored *completely*. The only
>> way to get the descriptor involved again is to eliminate the sh
On 11/01/2010 21:12, Nick Coghlan wrote:
Benjamin Peterson wrote:
> My question is: Is this a doc bug or a implementation bug? If the
former, it will be the description of a data descriptor much less
consistent, since it will require that a __get__ method be present,
too. If the latter, t
Benjamin Peterson wrote:
> My question is: Is this a doc bug or a implementation bug? If the
> former, it will be the description of a data descriptor much less
> consistent, since it will require that a __get__ method be present,
> too. If the latter, the fix may break some programs relying on th
> Date: Mon, 11 Jan 2010 01:51:09 +0100
> From: "Amaury Forgeot d'Arc"
> To: Benjamin Peterson
> Cc: Python Dev
> Subject: Re: [Python-Dev] Data descriptor doc/implementation
> inconsistency
> Message-ID:
>
> Content-Type: text/plain
2010/1/10 Amaury Forgeot d'Arc :
> Quoting the documentation:
> """Normally, data descriptors define both __get__() and __set__(),
> while non-data descriptors have just the __get__() method.
> """
> Your example is neither a data descriptor nor a non-data descriptor...
See the footnote: http://do
Hi,
2010/1/11 Benjamin Peterson :
> Consider this program:
>
> class Descr(object):
> def __init__(self, name):
> self.name = name
> def __set__(self, instance, what):
> instance.__dict__[self.name] = what
>
> class X(object):
> attr = Descr("attr")
>
> x = X()
> print(x.att