Formally declare registry attribute.

2 files changed, 14 insertions, 2 deletions

diff --git a/repoze/bfg/interfaces.py b/repoze/bfg/interfaces.py
index 16a4a7b21..196809437 100644
--- a/repoze/bfg/interfaces.py
+++ b/repoze/bfg/interfaces.py
@@ -75,6 +75,13 @@ class IViewPermissionFactory(Interface):
     def __call__(context, request):
         """ Return an IViewPermission """
 
+class IRouter(Interface):
+    """WSGI application which routes requests to 'view' code based on
+    a view registry."""
+
+    registry = interface.Attribute(
+        """Component architecture registry local to this application.""")
+    
 class IRoutesContext(Interface):
     """ A context (model instance) that is created as a result of URL
     dispatching"""
diff --git a/repoze/bfg/router.py b/repoze/bfg/router.py
index ab8850110..2adc461ca 100644
--- a/repoze/bfg/router.py
+++ b/repoze/bfg/router.py
@@ -1,6 +1,6 @@
 from zope.component import getAdapter
 from zope.component.event import dispatch
-from zope.interface import directlyProvides
+from zope.interface import directlyProvides, implements
 
 from webob import Request
 from webob.exc import HTTPNotFound
@@ -12,6 +12,8 @@ from repoze.bfg.events import WSGIApplicationCreatedEvent
 
 from repoze.bfg.interfaces import ITraverserFactory
 from repoze.bfg.interfaces import IRequest
+from repoze.bfg.interfaces import IRequest
+from repoze.bfg.interfaces import IRouter
 
 from repoze.bfg.registry import registry_manager
 from repoze.bfg.registry import makeRegistry
@@ -23,9 +25,12 @@ from repoze.bfg.view import render_view_to_response
 
 _marker = ()
 
-class Router:
+class Router(object):
     """ WSGI application which routes requests to 'view' code based on
     a view registry"""
+
+    implements(IRouter)
+    
     def __init__(self, root_policy, registry):
         self.root_policy = root_policy
         self.registry = registry