[Python-Dev] asyncore fixes in Python 2.6 broke Zope's version of medusa

[Steve Holden]

Guido van Rossum wrote:
> On Wed, Mar 4, 2009 at 10:51 AM, Jean-Paul Calderone <exarkun at divmod.com> wrote:
>> On Wed, 4 Mar 2009 10:46:28 -0800, Guido van Rossum <guido at python.org>
>> wrote:
>>> On Wed, Mar 4, 2009 at 10:27 AM, Jean-Paul Calderone <exarkun at divmod.com>
>>> wrote:
>>> [snip]
>>>> So, as a disinterested party in this specific case, I'd say revert to
>>>> the pre-2.6 behavior.  It does less harm than leaving the current
>>>> behavior.
>>> Sorry, but I really do think that we should maintain backward
>>> compatibility *within* the 2.6 series as well. If that makes it
>>> impossible to also maintain the 2.5 behavior, perhaps some flag could
>>> be added to restore 2.5 compatibility, e.g.
>>>
>>> import asyncore
>>> asyncore.python_25_compat = True
>>>
>>> Note that this "API" is designed to work in 2.5 as well. :-)
> 
>> But why?  The argument I made had the objective of minimizing developer
>> effort.  What's the objective of maintaining backward compatibility within
>> the 2.6 series in this case (sorry if it appeared earlier in this thread
>> and I missed it)?
> 
> The same as always. We don't change APIs in bugfix releases.
> 
Which unfortunately stops us from categorizing API breakages as bugs.

regards
 Steve
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