From e5cf7dbec2ccda7d2e4d79815ac441acf2ab1061 Mon Sep 17 00:00:00 2001
From: Chris McDonough <chrism@agendaless.com>
Date: Sun, 25 Jan 2009 03:33:08 +0000
Subject: Do an end-run around webob.Request.__setitem__ until it gets sped up.

---
 repoze/bfg/router.py            | 21 ++++++++++++++++-----
 repoze/bfg/tests/test_router.py | 14 ++++++++------
 2 files changed, 24 insertions(+), 11 deletions(-)

diff --git a/repoze/bfg/router.py b/repoze/bfg/router.py
index c7c38e1d1..bc4a8cf7b 100644
--- a/repoze/bfg/router.py
+++ b/repoze/bfg/router.py
@@ -1,4 +1,5 @@
 import sys
+from webob import Request as WebObRequest
 
 from zope.component.event import dispatch
 
@@ -100,11 +101,21 @@ class Router(object):
             traverser = registry.getAdapter(root, ITraverserFactory)
             context, view_name, subpath = traverser(environ)
 
-            # XXX webob.Request's __setattr__ is slow here: investigate.
-            request.root = root
-            request.context = context
-            request.view_name = view_name
-            request.subpath = subpath
+            if isinstance(request, WebObRequest):
+                # webob.Request's __setattr__ (as of 0.9.5 and lower)
+                # is a bottleneck; if we're sure we're using a
+                # webob.Request, go around its back and set stuff into
+                # the environ directly
+                attrs = environ.setdefault('webob.adhoc_attrs', {})
+                attrs['root'] = root
+                attrs['context'] = context
+                attrs['view_name'] = view_name
+                attrs['subpath'] = subpath
+            else:
+                request.root = root
+                request.context = context
+                request.view_name = view_name
+                request.subpath = subpath
 
             security_policy = self.security_policy
 
diff --git a/repoze/bfg/tests/test_router.py b/repoze/bfg/tests/test_router.py
index 99f982371..29849e396 100644
--- a/repoze/bfg/tests/test_router.py
+++ b/repoze/bfg/tests/test_router.py
@@ -541,10 +541,8 @@ class RouterTests(unittest.TestCase):
     def test_call_irequestfactory_override(self):
         from repoze.bfg.interfaces import INewRequest
         from repoze.bfg.interfaces import IRequestFactory
-        from webob import Request
-        class Request2(Request):
-            pass
-        self.registry.registerUtility(Request2, IRequestFactory)
+        from repoze.bfg.testing import DummyRequest
+        self.registry.registerUtility(DummyRequest, IRequestFactory)
         rootfactory = make_rootfactory(None)
         context = DummyContext()
         traversalfactory = make_traversal_factory(context, '', [])
@@ -560,7 +558,11 @@ class RouterTests(unittest.TestCase):
         request_events = self._registerEventListener(INewRequest)
         result = router(environ, start_response)
         request = request_events[0].request
-        self.failUnless(isinstance(request, Request2))
+        self.failUnless(isinstance(request, DummyRequest))
+        self.assertEqual(request.root, None)
+        self.assertEqual(request.context, context)
+        self.assertEqual(request.view_name, '')
+        self.assertEqual(request.subpath, [])
 
     def test_call_inotfound_appfactory_override(self):
         from repoze.bfg.interfaces import INotFoundAppFactory
@@ -597,7 +599,7 @@ class RouterTests(unittest.TestCase):
         self._registerRootFactory(rootfactory)
         router = self._makeOne()
         self.assertEqual(router.unauth_app_factory, app)
-    
+
 class MakeAppTests(unittest.TestCase):
     def setUp(self):
         cleanUp()
-- 
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