## Controller Python Script "edit_marker"
##bind container=container
##bind context=context
##bind namespace=
##bind script=script
##bind state=state
##bind subpath=traverse_subpath
##parameters=add=(), remove=()
##title=Change the marker interfaces for a piece of content

from Products.CMFCore.utils import getToolByName
iface_tool = getToolByName(context, 'portal_interface')
iface_tool.update(context, add, remove)

return state.set(context=context,
                 portal_status_message='Marker interfaces changed.')