[Zope-dev] the ZCA API decision

Chris McDonough chrism at plope.com
Thu Dec 3 13:02:19 EST 2009


Martijn Faassen wrote:
> Hi there,
> 
> I think we've had enough discussion to make a decision. Hopefully 
> everybody is at least reasonably happy with this:
> 
> An "adapt()" method will be added to Interface. It takes the objects to 
> adapt as *args, and optional but explicit 'default' and 'name' aguments.
> 
> A "utility()" method will be added to Interface. It takes optional but 
> explicit 'default' and 'name' arguments.
> 
> On the adapter hook (__call__) we will deprecate the implicit second 
> argument for defaults, with a deprecation warning. Instead, we will 
> require people to write out 'default=' explicitly. Otherwise its 
> behavior remains unchanged. I think we can motivate this change purely 
> because IFoo(bar, baz) really is quite surprising compared to IFoo(bar, 
> default=baz).
> 
> [steering group members, if you are really unhappy with this, please 
> speak up now. Silence is assent. :)]

A general +0 from me, because it seems to be 99% bw compat and does no harm.

- C



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