ZCML File
adapters.zcml

<configure
    xmlns="http://namespaces.zope.org/zope"
    >
<adapter
    factory=".session.ClientId"
    permission="zope.Public"
    />
<adapter
    factory=".session.Session"
    provides=".interfaces.ISession"
    permission="zope.Public"
    />
<adapter
    factory=".session.Session"
    provides="zope.traversing.interfaces.IPathAdapter"
    name="session"
    />
</configure>