from zope.security.proxy import removeSecurityProxy
class Feature(Persistent):
    """See IFeature."""
    implements(IFeature)

    header = FieldProperty(IFeature['header'])
    date = FieldProperty(IFeature['date'])

    def getTitle(self):
        return self._title

    def setTitle(self, title):
        self._title = removeSecurityProxy(title)


    title = property(getTitle, setTitle, None)