Consider superclass views after predicate mismatch

The merged fix for #786 only worked for views registered to an
interface.

2 files changed, 4 insertions, 6 deletions

diff --git a/pyramid/router.py b/pyramid/router.py
index 63c12a1af..f780f6711 100644
--- a/pyramid/router.py
+++ b/pyramid/router.py
@@ -165,7 +165,7 @@ class Router(object):
             except PredicateMismatch:
                 # look for other views that meet the predicate
                 # criteria
-                for iface in context_iface.flattened():
+                for iface in context_iface.__sro__[1:]:
                     view_callable = adapters.lookup(
                         (IViewClassifier, request.request_iface, iface),
                         IView, name=view_name, default=None)
diff --git a/pyramid/tests/test_router.py b/pyramid/tests/test_router.py
index 432959147..b836d7d72 100644
--- a/pyramid/tests/test_router.py
+++ b/pyramid/tests/test_router.py
@@ -1180,11 +1180,9 @@ class TestRouter(unittest.TestCase):
         from pyramid.interfaces import IViewClassifier
         from pyramid.interfaces import IRequest, IResponse
         from pyramid.response import Response
-        from zope.interface import Interface, implementer
-        class IContext(Interface):
+        class BaseContext:
             pass
-        @implementer(IContext)
-        class DummyContext:
+        class DummyContext(BaseContext):
             pass
         context = DummyContext()
         self._registerTraverserFactory(context)
@@ -1193,7 +1191,7 @@ class TestRouter(unittest.TestCase):
                            DummyContext)
         good_view = DummyView('abc')
         self._registerView(self.config.derive_view(good_view),
-                            '', IViewClassifier, IRequest, IContext)
+                            '', IViewClassifier, IRequest, BaseContext)
         router = self._makeOne()
         def make_response(s):
             return Response(s)