On 17.05.2007, at 18:56, Kevin Gill (Newaddress) wrote:
Hi,
I am putting together a simple application based on Philipp Von
Weitershausen's book.
When an object is updated, I update the Dublin Core metadata in an
event
handler. The code is similar to the following...
@adapter(IListing, IObjectModifiedEvent)
def updateListingDCTitle(listing, event):
dc = IWriteZopeDublinCore(listing)
dc.title=u'TEST UPDATE'
u can remove the security proxy
from zope.app.security.proxy import removeSecurityProxy
removeSecurityProxy(dc).title = ...
The ZCML declaration is...
<subscriber handler=".actor.updateListingDCTitle" />
I have configured a user who can edit the 'Listing'. When they try to
edit the listing, they get a permissions error caused by the event
handler.
If I assign permissions to the editor to modify the Dublin Core
metadata, they get access to the meta-data tab in the ZMI user
interface, which I would rather avoid. This grant works but I am
looking
for a better way of doing this.
<grant permission="zope.app.dublincore.change"
role="directory.Editor" />
How should I go about letting the event handler update the Dublin Core
metadata?
I tried adding trusted="true" to the subscriber zcml declaration, but
this is ignored when a handler is used rather than a factory.
Thanks
Kevin
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