[Zope-dev] Re: Zope2 porting Acquisition

[Hanno Schlichting]

Hi.

ranjith kannikara wrote:
> I came across an error in module Acquisition, while trying to port
> zope2 to python2.5. There was a discussion over the same topic in
> JAN-2008. In acquisition the wrapper compare is returning false
> irrespective of the parameters.
> 
>  And the problem I stuck with was that in the comparisons 1 and 3 the
> function Wrapper_compare defined in _Acquisition.c is not even called.
> 
> How a function (say Wrapper_compare) from a C-API is being called on
> reaching a line like  >>> b.c.d == c .

You want to read 
http://mail.zope.org/pipermail/zope-dev/2008-January/030784.html

It gives you all the hints you need to digg into this some more.

As a side note, please make sure you base your work on Zope trunk, as 
that has seen quite a lot of changes to Acquisition.c recently.

Hanno
(who's no good with the C API)