<record model="ir.rule" id="pupils_rule">
        <field name="name">Tutor only view his pupils</field>
        <field name="model_id" ref="model_res_users"/>
        <field name="domain_force">[('tutor','=',user.id)]</field>
         <field name="perm_read" eval="True"/>
        <field name="perm_create" eval="False"/>
        <field name="perm_write" eval="False"/>
        <field name="perm_unlink" eval="False"/>
    </record>

id,name,model_id:id,group_id:id,perm_read,perm_write,perm_create,perm_unlink
tutor_activity,Model pupil
access,model_proyectosge_activity,group_tutor,1,0,0,0
pupil_activity,Model pupil
access,model_proyectosge_activity,group_pupil,1,1,1,1