From 6cde27fe9161a21b075c7b8faa09d1e77169f1f2 Mon Sep 17 00:00:00 2001
From: Mike Bayer <mike_mp@zzzcomputing.com>
Date: Sun, 26 May 2013 19:06:13 -0400
Subject: a pass where we try to squash down as many list()/keys() combinations
 as possible

---
 lib/sqlalchemy/testing/engines.py | 42 +++++++++++++++++++--------------------
 1 file changed, 20 insertions(+), 22 deletions(-)

(limited to 'lib/sqlalchemy/testing/engines.py')

diff --git a/lib/sqlalchemy/testing/engines.py b/lib/sqlalchemy/testing/engines.py
index cfaacc490..efc0103f2 100644
--- a/lib/sqlalchemy/testing/engines.py
+++ b/lib/sqlalchemy/testing/engines.py
@@ -8,7 +8,7 @@ from .util import decorator
 from .. import event, pool
 import re
 import warnings
-
+from .. import util
 
 class ConnectionKiller(object):
 
@@ -37,12 +37,12 @@ class ConnectionKiller(object):
                     "rollback/close connection: %s" % e)
 
     def rollback_all(self):
-        for rec in list(self.proxy_refs.keys()):
+        for rec in list(self.proxy_refs):
             if rec is not None and rec.is_valid:
                 self._safe(rec.rollback)
 
     def close_all(self):
-        for rec in list(self.proxy_refs.keys()):
+        for rec in list(self.proxy_refs):
             if rec is not None:
                 self._safe(rec._close)
 
@@ -66,7 +66,7 @@ class ConnectionKiller(object):
 
         self.conns = set()
 
-        for rec in list(self.testing_engines.keys()):
+        for rec in list(self.testing_engines):
             if rec is not config.db:
                 rec.dispose()
 
@@ -75,7 +75,7 @@ class ConnectionKiller(object):
         for conn in self.conns:
             self._safe(conn.close)
         self.conns = set()
-        for rec in list(self.testing_engines.keys()):
+        for rec in list(self.testing_engines):
             rec.dispose()
 
     def assert_all_closed(self):
@@ -353,24 +353,22 @@ class ReplayableSession(object):
     Callable = object()
     NoAttribute = object()
 
-# start Py3K
-    Natives = set([getattr(types, t)
-                   for t in dir(types) if not t.startswith('_')]). \
-                   union([type(t) if not isinstance(t, type)
-                            else t for t in list(__builtins__.values())]).\
+    if util.py2k:
+        Natives = set([getattr(types, t)
+                   for t in dir(types) if not t.startswith('_')]).\
                    difference([getattr(types, t)
-                            for t in ('FunctionType', 'BuiltinFunctionType',
-                                      'MethodType', 'BuiltinMethodType',
-                                      'LambdaType', )])
-# end Py3K
-# start Py2K
-#    Natives = set([getattr(types, t)
-#                   for t in dir(types) if not t.startswith('_')]). \
-#                   difference([getattr(types, t)
-#                           for t in ('FunctionType', 'BuiltinFunctionType',
-#                                     'MethodType', 'BuiltinMethodType',
-#                                     'LambdaType', 'UnboundMethodType',)])
-# end Py2K
+                           for t in ('FunctionType', 'BuiltinFunctionType',
+                                     'MethodType', 'BuiltinMethodType',
+                                     'LambdaType', 'UnboundMethodType',)])
+    else:
+        Natives = set([getattr(types, t)
+                       for t in dir(types) if not t.startswith('_')]).\
+                       union([type(t) if not isinstance(t, type)
+                                else t for t in __builtins__.values()]).\
+                       difference([getattr(types, t)
+                                for t in ('FunctionType', 'BuiltinFunctionType',
+                                          'MethodType', 'BuiltinMethodType',
+                                          'LambdaType', )])
 
     def __init__(self):
         self.buffer = deque()
-- 
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