On 11 July 2011 20:29, Bengt Richter <b...@oz.net> wrote:
> On 07/10/2011 09:13 PM Laura Creighton wrote:
>>
>> What do we want to happen when somebody -- say in a C extension -- takes
>> the id of an object
>> that is scheduled to be removed when the gc next runs?
>
> IMO taking the id should increment the object ref counter
> and prevent the garbage collection, until the id value itself is garbage
> collected.

This significantly changes the meaning of id() in a way that will
break existing code.

If you want an object reference, just use one.  If you want them to be
persistent, build a dictionary from id to object.  You can already do
this yourself in pure python, and it doesn't have the side-effect of
bloating id().

Otherwise, such a suggestion should go through the usual process for
such a significant change to a language primitive.

--
William Leslie
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