def modified(self):
"""Provide a callable to return the modification time of content items.
So stored image scales can be invalidated.
"""
dc = IZopeDublinCore(self.context)
return dc.ModificationDate()
def modified(self):
"""Provide a callable to return the modification time of content items.
So stored image scales can be invalidated.
"""
unecure_context = removeSecurityProxy(self.context.context)
# dc = IZopeDublinCore(self.context.context)
dc = IZopeDublinCore(unecure_context)
return dc.ModificationDate()