Use Tres' handy upgradeException function, to make the ExceptionHookTest work...

Use Tres' handy upgradeException function, to make the ExceptionHookTest work across Python versions

src/Zope2/App/startup.py

@@ -23,6 +23,7 @@ from Acquisition import aq_parent
 from App.config import getConfiguration
 from time import asctime
 from types import StringType, ListType
+from zExceptions import upgradeException
 from zExceptions import Redirect
 from zExceptions import Unauthorized
 from ZODB.POSException import ConflictError
@@ -167,8 +168,10 @@ class ZPublisherExceptionHook:
 
     def __call__(self, published, REQUEST, t, v, traceback):
         try:
+            t, v = upgradeException(t, v)
+
             if t is SystemExit or issubclass(t, Redirect):
-                raise
+                raise t, v, traceback
 
             if issubclass(t, ConflictError):
                 self.logConflicts(v, REQUEST)

src/Zope2/App/tests/testExceptionHook.py

@@ -115,19 +115,21 @@ class ExceptionHookTestCase(unittest.TestCase):
 class ExceptionHookTest(ExceptionHookTestCase):
 
     def testStringException1(self):
+        from zExceptions import Unauthorized
         def f():
-            raise 'unauthorized', 'x'
+            raise 'Unauthorized', 'x'
         if sys.version_info < (2, 6):
-            self.assertRaises('unauthorized', self.call, None, None, f)
+            self.assertRaises(Unauthorized, self.call, None, None, f)
         else:
             # Raising a string exception causes a TypeError on Python 2.6
             self.assertRaises(TypeError, self.call, None, None, f)
 
     def testStringException2(self):
+        from zExceptions import Redirect
         def f():
-            raise 'redirect', 'x'
+            raise 'Redirect', 'x'
         if sys.version_info < (2, 6):
-            self.assertRaises('redirect', self.call, None, None, f)
+            self.assertRaises(Redirect, self.call, None, None, f)
         else:
             # Raising a string exception causes a TypeError on Python 2.6
             self.assertRaises(TypeError, self.call, None, None, f)