Re: set() and get() of IField ignored in Dexterity?

On Mon, 2014-12-01 at 13:42 +0100, Andreas Jung wrote:
> David Glick (Plone) wrote:
> > On 11/30/14, 9:39 AM, Andreas Jung wrote:
> >> -----BEGIN PGP SIGNED MESSAGE-----
> >> Hash: SHA1
> >>
> >> I implemented an XML field for Dexterity
> >>
> >> https://bitbucket.org/onkopedia/zopyx.existdb/src/438c6daa6bf3f5ac0c0a08b602e1f9927ead058a/zopyx/existdb/dx/fields.py?at=dexterity
> >>
> >> which is working nicely with plone.schemaeditor.
> >>
> >> However: the set() and get() methods are completely
> >> ignored. Is there something in Dexterity by-passing
> >> these methods?
> >>
> >> - -aj
> >>
> > The default z3c.form data manager is z3c.form.datamanager.AttributeField 
> > which just does setattr and getattr on the (possibly adapted) context. 
> > If you want the field's get/set to be used, you'll either have to write 
> > a custom data manager for your field, or use a custom content item class 
> > that uses property descriptors.
> 
> This is perhaps an option when you define your content-types in Python
> code but completely unusable for TTW content-types.

The data manager would adapt a generic context and your specific field.
So, if you create this data-manager and create a TTW content type using
this field, it should use your data manager.


-- 
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