Descriptors and Properties lose acquisition wrappers
Ross Patterson
me at rpatterson.net
Mon Apr 30 22:52:43 UTC 2007
Martin Aspeli <optilude at gmx.net> writes:
> Ross Patterson wrote:
>
>> What I'd really like to know is why acquisition wrappers get stripped
>> from self in descriptors in the first place. Is it an acquisition
>> extension class issue?
>
> Yes
>
>> Is ther any way to work around it?
>
> No
>
>> Is this
>> problem known about or otherwise documented by those who guard the
>> darker secrets of acquisition? :)
>
> Yes
>
> Grep the Zope collector - the solution is to use a ComputedAttribute,
> I believe.
Oh right. I keep forgetting about ComputedAttribute. But it doesn't
support setting does it?
Ross
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