Re: "Object is of wrong type" with NamedBlogImage field

Both answers are correct but the real reason was that some special code
created a BlobNamedFile instance for an BlogNamedImage field due to
copy & paste coding.

Andreas

Andreas Jung wrote:
> Plone 4.3, Dexterity 2.
> 
> I have an image field
> 
>     image = NamedBlobImage(
>        title=_(u'label_special_image'),
>        description=_(u'help_special_image'),
>        required=False,
>     )
> 
> which is updated during a migration using
> 
>                 if new_obj.portal_type == 'Image':
>                     setattr(new_obj, k, namedfile.NamedBlobImage(v,
> filename=filename))
> 
> 
> The image is stored correctly and shown correctly in our own custom
> view. When we @@edit the content-type instance and save then we
> receive an error "Object is of wrong type" (see screenshot).
> The preview of the image is also being displayed correctly.
> 
> Why is this happening?
> 
> Andreas
> 
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