- The default routes context

  (``repoze.bfg.urldispatch.DefaultRoutesContext``) object now
  subclasses from ``dict``.  This means you can use the mapping
  protocol in views against it.

3 files changed, 33 insertions, 6 deletions

diff --git a/CHANGES.txt b/CHANGES.txt
index 37e1953af..970078f68 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,3 +1,14 @@
+Next release
+============
+
+Features
+--------
+
+- The default routes context
+  (``repoze.bfg.urldispatch.DefaultRoutesContext``) object now
+  subclasses from ``dict``.  This means you can use the mapping
+  protocol in views against it.
+
 0.9.1 (2009-06-02)
 ==================
 
diff --git a/repoze/bfg/tests/test_urldispatch.py b/repoze/bfg/tests/test_urldispatch.py
index 2b4578f94..3a1e4d497 100644
--- a/repoze/bfg/tests/test_urldispatch.py
+++ b/repoze/bfg/tests/test_urldispatch.py
@@ -1,6 +1,22 @@
 import unittest
 from repoze.bfg.testing import cleanUp
 
+class TestDefaultRoutesContextFactory(unittest.TestCase):
+    def _getTargetClass(self):
+        from repoze.bfg.urldispatch import DefaultRoutesContext
+        return DefaultRoutesContext
+
+    def _makeOne(self, **kw):
+        return self._getTargetClass()(kw)
+    
+    def test_getattr(self):
+        inst = self._makeOne(a=1)
+        self.assertEqual(inst.a, 1)
+
+    def test_getattr_raises(self):
+        inst = self._makeOne(a=1)
+        self.assertRaises(AttributeError, inst.__getattr__, 'b')
+
 class RoutesRootFactoryTests(unittest.TestCase):
     def setUp(self):
         cleanUp()
diff --git a/repoze/bfg/urldispatch.py b/repoze/bfg/urldispatch.py
index 612843cfa..f108b965f 100644
--- a/repoze/bfg/urldispatch.py
+++ b/repoze/bfg/urldispatch.py
@@ -1,7 +1,5 @@
 import re
 
-from zope.component import queryUtility
-
 from zope.interface import implements
 from zope.interface import alsoProvides
 from zope.interface import classProvides
@@ -13,16 +11,18 @@ from routes import url_for
 from repoze.bfg.interfaces import IContextNotFound
 from repoze.bfg.interfaces import IContextURL
 from repoze.bfg.interfaces import IRoutesContext
-from repoze.bfg.interfaces import IRoutesContextFactory
 from repoze.bfg.interfaces import ITraverser
 from repoze.bfg.interfaces import ITraverserFactory
 
 _marker = ()
 
-class DefaultRoutesContext(object):
+class DefaultRoutesContext(dict):
     implements(IRoutesContext)
-    def __init__(self, **kw):
-        self.__dict__.update(kw)
+    def __getattr__(self, name):
+        try:
+            return self[name]
+        except KeyError:
+            raise AttributeError(name)
 
 class RoutesContextNotFound(object):
     implements(IContextNotFound)