Message 67994 - Python tracker

Message67994

Author	lemburg
Recipients	amaury.forgeotdarc, benjamin.peterson, christoph, davidfraser, georg.brandl, hodgestar, lemburg, ncoghlan, pitrou
Date	2008-06-11.16:50:20
SpamBayes Score	0.18763535
Marked as misclassified	No
Message-id	<48500244.6060108@egenix.com>
In-reply-to	<1213195760.84.0.599786243353.issue2517@psf.upfronthosting.co.za>

Content
On 2008-06-11 16:49, Nick Coghlan wrote: > Nick Coghlan <ncoghlan@gmail.com> added the comment: > > I'm not sure adding a dedicated method slot would be worth the hassle > involved - Py3k drop backs to just the tp_str slot anyway, and the only > thing you gain with a tp_unicode slot over _PyType_Lookup of a > __unicode__ attribute is a small reduction in memory usage and a slight > speed increase. AFAIK, _PyType_Lookup will only work for base types, ie. objects subclassing from object. C extension types often do not inherit from object, since the attribute access mechanisms and object creation are a lot simpler when not doing so.

Content

On 2008-06-11 16:49, Nick Coghlan wrote:
> Nick Coghlan <ncoghlan@gmail.com> added the comment:
> 
> I'm not sure adding a dedicated method slot would be worth the hassle
> involved - Py3k drop backs to just the tp_str slot anyway, and the only
> thing you gain with a tp_unicode slot over _PyType_Lookup of a
> __unicode__ attribute is a small reduction in memory usage and a slight
> speed increase.

AFAIK, _PyType_Lookup will only work for base types, ie. objects
subclassing from object. C extension types often do not inherit from
object, since the attribute access mechanisms and object creation
are a lot simpler when not doing so.

History
Date	User	Action	Args
2008-06-11 16:50:28	lemburg	set	spambayes_score: 0.187635 -> 0.18763535 recipients: + lemburg, georg.brandl, amaury.forgeotdarc, ncoghlan, davidfraser, pitrou, benjamin.peterson, christoph, hodgestar
2008-06-11 16:50:26	lemburg	link	issue2517 messages
2008-06-11 16:50:21	lemburg	create