Plone action menu enable feature by setting marker interface

action.py

from zope.interface import Interface 
from zope.interface import directlyProvides 
from zope.interface import noLongerProvides
from Products.Five.browser import BrowserView
from Products.CMFPlone import PloneMessageFactory as _

class ISomeFeatureTarget(Interface):
    pass

class IPossibleSomeFeatureTarget(Interface):
    pass

class ActionsView(BrowserView):
    
    def enableSomeFeatureTarget(self):
        directlyProvides(self.context, ISomeFeatureTarget)
        self.context.portal_catalog.reindexObject(self.context, 
                                                  idxs=['object_provides'], 
                                                  update_metadata=1)
        self.context.plone_utils.addPortalMessage(
            _(u'Enabled SomeFeature Target.'))
        self.request.response.redirect(self.context.absolute_url())

    def disableSomeFeatureTarget(self):
        noLongerProvides(self.context, ISomeFeatureTarget)
        self.context.portal_catalog.reindexObject(self.context, 
                                                  idxs=['object_provides'], 
                                                  update_metadata=1)
        self.context.plone_utils.addPortalMessage(
            _(u'Disabled SomeFeature Target.'))
        self.request.response.redirect(self.context.absolute_url())
        
    def isPossibleToEnableSomeFeatureTarget(self):
        return IPossibleSomeFeatureTarget.providedBy(self.context) \
               and not ISomeFeatureTarget.providedBy(self.context)
        
    def isPossibleToDisableSomeFeatureTarget(self):
        return IPossibleSomeFeatureTarget.providedBy(self.context) \
               and ISomeFeatureTarget.providedBy(self.context)

action.zcml

<configure xmlns="http://namespaces.zope.org/zope"
	xmlns:browser="http://namespaces.zope.org/browser"
	xmlns:five="http://namespaces.zope.org/five">
	
	<five:implements
	    class="Products.Archetypes.BaseObject.BaseObject"
            interface=".actions.IPossibleSomeFeatureTarget" />	

	<browser:page name="enable-SomeFeaturetarget" 
	    attribute="enableSomeFeatureTarget"
	    for=".actions.IPossibleSomeFeatureTarget"
	    class=".actions.ActionsView" 
	    permission="cmf.ManagePortal" 
	    layer=".layer.IMyFeatureExtensionLayer"        
 	/>

	<browser:page name="disable-SomeFeaturetarget"
	    attribute="disableSomeFeatureTarget"
	    for=".actions.IPossibleSomeFeatureTarget"
	    class=".actions.ActionsView" 
	    permission="cmf.ManagePortal" 
	    layer=".layer.IMyFeatureExtensionLayer"        
	/>

	<browser:page name="is-possible-to-enable-SomeFeaturetarget"
	    attribute="isPossibleToEnableSomeFeatureTarget" 
	    for="*"
	    class=".actions.ActionsView" 
	    permission="cmf.ManagePortal"     
	    layer=".layer.IMyFeatureExtensionLayer"        
	/>

	<browser:page name="is-possible-to-disable-SomeFeaturetarget"
	    attribute="isPossibleToDisableSomeFeatureTarget" 
	    for="*"
	    class=".actions.ActionsView" 
	    permission="cmf.ManagePortal" 
	    layer=".layer.IMyFeatureExtensionLayer"        
	/>

</configure>

actions.zcml

<?xml version="1.0"?>
<object name="portal_actions" meta_type="Plone Actions Tool"
	xmlns:i18n="http://xml.zope.org/namespaces/i18n">
	<object name="object_buttons" meta_type="CMF Action Category">
		<object name="enableMyFeatureTarget" 
		        meta_type="CMF Action"
			    i18n:domain="bda.plone.spiegelnavi">
			<property name="title" i18n:translate="">
				Enable MyFeature Target
			</property>
			<property name="description" i18n:translate="">
				Activate as MyFeature Target
			</property>
			<property name="url_expr">
				string:${object/absolute_url}/@@enable-MyFeaturetarget
			</property>
			<property name="icon_expr"></property>
			<property name="available_expr">
				object/@@is-possible-to-enable-MyFeaturetarget
			</property>
			<property name="permissions">
				<element value="Manage portal" />
			</property>
			<property name="visible">True</property>
		</object>

		<object name="disableMyFeatureTarget" 
		        meta_type="CMF Action"
			    i18n:domain="bda.plone.spiegelnavi">
			<property name="title" i18n:translate="">
				Disables MyFeature Target
			</property>
			<property name="description" i18n:translate="">
				Deactivates as MyFeature Target
			</property>
			<property name="url_expr">
				string:${object/absolute_url}/@@disable-MyFeaturetarget
			</property>
			<property name="icon_expr"></property>
			<property name="available_expr">
				object/@@is-possible-to-disable-MyFeaturetarget
			</property>
			<property name="permissions">
				<element value="Manage portal" />
			</property>
			<property name="visible">True</property>
		</object>

	</object>
</object>