final rtag api

views.py

@@ -17,8 +17,8 @@ from cubicweb.web.htmlwidgets import BoxWidget
 from cubicweb.web.views import baseviews
 
 # displayed by the basket box
-uicfg.rdisplay.tag_relation('*', 'in_basket', '!*', {})
-uicfg.rdisplay.tag_relation('!*', 'in_basket', '*', {})
+uicfg.primaryview_section.tag_subject_of(('*', 'in_basket', '*'), 'hidden')
+uicfg.primaryview_section.tag_object_of(('*', 'in_basket', '*'), 'hidden')
 
 
 class BasketPrimaryView(baseviews.PrimaryView):