reverted last checkin (breaking tests)

doc/CHANGES.rst

@@ -23,9 +23,6 @@ Restructuring
 Features Added
 ++++++++++++++
 
-- Launchpad #373658: traversal using (un)restrictedTraverse 
-  no longer depends no the existence of a request 
-
 - Launchpad #373583: ZODBMountPoint - fixed broken mount support and 
   extended the test suite.
 

src/OFS/Traversable.py

@@ -154,7 +154,6 @@ class Traversable:
             path = list(path)
 
         REQUEST = {'TraversalRequestNameStack': path}
-        web_request = getattr(self, 'REQUEST', None)
         path.reverse()
         path_pop = path.pop
 
@@ -199,7 +198,7 @@ class Traversable:
                         ns, nm = nsParse(name)
                         try:
                             next = namespaceLookup(
-                                ns, nm, obj, web_request).__of__(obj)
+                                ns, nm, obj, aq_acquire(self, 'REQUEST'))
                             if IAcquirer.providedBy(next):
                                 next = next.__of__(obj)
                             if restricted and not validate(
@@ -265,7 +264,7 @@ class Traversable:
 
                 except (AttributeError, NotFound, KeyError), e:
                     # Try to look for a view
-                    next = queryMultiAdapter((obj, web_request),
+                    next = queryMultiAdapter((obj, aq_acquire(self, 'REQUEST')),
                                              Interface, name)
 
                     if next is not None: