Merged revisions 72912,72920,72940 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk

........
  r72912 | benjamin.peterson | 2009-05-25 08:13:44 -0500 (Mon, 25 May 2009) | 5 lines

  add a SETUP_WITH opcode

  It speeds up the with statement and correctly looks up the special
  methods involved.
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  r72920 | benjamin.peterson | 2009-05-25 15:12:57 -0500 (Mon, 25 May 2009) | 1 line

  take into account the fact that SETUP_WITH pushes a finally block
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  r72940 | benjamin.peterson | 2009-05-26 07:49:59 -0500 (Tue, 26 May 2009) | 1 line

  teach the peepholer about SETUP_WITH
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diff --git a/Lib/test/test_descr.py b/Lib/test/test_descr.py
index 5c50571..ac5ab68 100644
--- a/Lib/test/test_descr.py
+++ b/Lib/test/test_descr.py
@@ -1569,6 +1569,7 @@
         def some_number(self_, key):
             self.assertEqual(key, "hi")
             return 4
+        def swallow(*args): pass
 
         # It would be nice to have every special method tested here, but I'm
         # only listing the ones I can remember outside of typeobject.c, since it
@@ -1584,11 +1585,8 @@
              set(("__class__",)), {}),
             ("__subclasscheck__", do_issubclass, return_true,
              set(("__bases__",)), {}),
-            # These two fail because the compiler generates LOAD_ATTR to look
-            # them up.  We'd have to add a new opcode to fix this, and it's
-            # probably not worth it.
-            # ("__enter__", run_context, iden),
-            # ("__exit__", run_context, iden),
+            ("__enter__", run_context, iden, set(), {"__exit__" : swallow}),
+            ("__exit__", run_context, swallow, set(), {"__enter__" : iden}),
             ]
 
         class Checker(object):