diff -r 35133d86970b -r 800592b8d39b web/views/calendar.py
--- a/web/views/calendar.py	Tue Feb 17 20:56:45 2009 +0100
+++ b/web/views/calendar.py	Tue Feb 17 21:29:58 2009 +0100
@@ -1,7 +1,7 @@
 """html calendar views
 
 :organization: Logilab
-:copyright: 2001-2008 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
+:copyright: 2001-2009 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
 :contact: http://www.logilab.fr/ -- mailto:contact@logilab.fr
 """
 
@@ -13,9 +13,9 @@
 from logilab.mtconverter import html_escape
 
 from cubicweb.interfaces import ICalendarable
+from cubicweb.selectors import implements
 from cubicweb.common.utils import date_range
 from cubicweb.common.uilib import ajax_replace_url
-from cubicweb.common.selectors import implement_interface
 from cubicweb.common.registerers import priority_registerer
 from cubicweb.common.view import EntityView
 
@@ -83,8 +83,7 @@
     Does apply to ICalendarable compatible entities
     """
     __registerer__ = priority_registerer
-    __selectors__ = (implement_interface,)
-    accepts_interfaces = (ICalendarable,)
+    __selectors__ = implements(ICalendarable)
     need_navigation = False
     content_type = 'text/calendar'
     title = _('iCalendar')
@@ -114,8 +113,7 @@
     Does apply to ICalendarable compatible entities
     """
     __registerer__ = priority_registerer
-    __selectors__ = (implement_interface,)
-    accepts_interfaces = (ICalendarable,)
+    __selectors__ = implements(ICalendarable)
     need_navigation = False
     title = _('hCalendar')
     #templatable = False
@@ -146,8 +144,7 @@
 class OneMonthCal(EntityView):
     """At some point, this view will probably replace ampm calendars"""
     __registerer__ = priority_registerer
-    __selectors__ = (implement_interface, )
-    accepts_interfaces = (ICalendarable,)
+    __selectors__ = implements(ICalendarable)
     need_navigation = False
     id = 'onemonthcal'
     title = _('one month')
@@ -331,8 +328,7 @@
 class OneWeekCal(EntityView):
     """At some point, this view will probably replace ampm calendars"""
     __registerer__ = priority_registerer
-    __selectors__ = (implement_interface, )
-    accepts_interfaces = (ICalendarable,)
+    __selectors__ = implements(ICalendarable)
     need_navigation = False
     id = 'oneweekcal'
     title = _('one week')