[Python-Dev] Writable __doc__

Michael Foord fuzzyman at voidspace.org.uk
Thu Jan 19 19:40:09 CET 2012

On 19/01/2012 17:46, Ethan Furman wrote:
> Guido van Rossum wrote:
> > We should not encourage people to write code that works with a certain
> > bugfix release but not with the previous bugfix release of the same
> > feature release.
> Then what's the point of a bug-fix release?  If 3.2.1 had broken 
> threading, wouldn't we fix it in 3.2.2 and encourage folks to switch 
> to 3.2.2?  Or would we scrap 3.2 and move immediately to 3.3?  (Is 
> that more or less what happened with 3.0?)
>> Like it or not, this has worked this way ever since new-style classes 
>> were introduced. That has made it a de-facto feature.
> But what of the discrepancy between the 'type' metaclass and any other 
> Python metaclass?

There are many discrepancies between built-in types and any Python 
class. Writable attributes are (generally) one of them.


>> Given that we haven't had any complaints about this in nearly a 
>> decade, the backport can't be important. Don't do it.
> Agreed.
> ~Ethan~
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