[Python-Dev] PEP 442: Safe object finalization

[Nick Coghlan]

On Sat, May 18, 2013 at 9:46 PM, Antoine Pitrou <solipsis at pitrou.net> wrote:
> On Sat, 18 May 2013 21:05:48 +1000
> Nick Coghlan <ncoghlan at gmail.com> wrote:
>> On Sat, May 18, 2013 at 6:59 PM, Antoine Pitrou <solipsis at pitrou.net> wrote:
>> > Resurrection
>> >     The process by which a finalizer creates a new reference to an
>> >     object in a CI.  This can happen as a quirky but supported
>> >     side-effect of ``__del__`` methods.
>>
>> I really like the PEP overall, but could we at least get the option to
>> have cases of object resurrection spit out a warning? And a clear
>> rationale for not turning on such a warning by default?
>
> Where would you put the option?
> As for the rationale, it's simply compatibility: resurrection works
> without warnings right now :)

Command line, probably. However, you're right that's something we can
consider later - for the PEP it's enough that it still works, and we
just avoid calling the __del__ method a second time.

Cheers,
Nick.

--
Nick Coghlan   |   ncoghlan at gmail.com   |   Brisbane, Australia