From 19531db0b8cb2c7926453d935615cbd2eb687ed1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Giampaolo=20Rodol=C3=A0?= <g.rodola@gmail.com>
Date: Tue, 18 May 2010 20:13:43 +0000
Subject: [PATCH] Merged revisions 81299 via svnmerge from
 svn+ssh://pythondev@svn.python.org/python/branches/py3k

................
  r81299 | giampaolo.rodola | 2010-05-18 22:11:58 +0200 (mar, 18 mag 2010) | 9 lines

  Merged revisions 81294 via svnmerge from
  svn+ssh://pythondev@svn.python.org/python/trunk

  ........
    r81294 | giampaolo.rodola | 2010-05-18 22:04:31 +0200 (mar, 18 mag 2010) | 1 line

    Fix issue #8573 (asyncore._strerror bug): fixed os.strerror typo; included NameError in the tuple of expected exception; added test case for asyncore._strerror.
  ........
................
---
 Lib/asyncore.py           | 4 ++--
 Lib/test/test_asyncore.py | 9 +++++++++
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/Lib/asyncore.py b/Lib/asyncore.py
index 88845012e48..44e89181cb6 100644
--- a/Lib/asyncore.py
+++ b/Lib/asyncore.py
@@ -61,8 +61,8 @@ except NameError:
 
 def _strerror(err):
     try:
-        return strerror(err)
-    except (ValueError, OverflowError):
+        return os.strerror(err)
+    except (ValueError, OverflowError, NameError):
         if err in errorcode:
             return errorcode[err]
         return "Unknown error %s" %err
diff --git a/Lib/test/test_asyncore.py b/Lib/test/test_asyncore.py
index 4db29ca14ea..785b2116f6f 100644
--- a/Lib/test/test_asyncore.py
+++ b/Lib/test/test_asyncore.py
@@ -6,6 +6,7 @@ import socket
 import threading
 import sys
 import time
+import errno
 
 from test import support
 from test.support import TESTFN, run_unittest, unlink
@@ -315,6 +316,14 @@ class DispatcherTests(unittest.TestCase):
         # test cheap inheritance with the underlying socket
         self.assertEqual(d.family, socket.AF_INET)
 
+    def test_strerror(self):
+        # refers to bug #8573
+        err = asyncore._strerror(errno.EPERM)
+        if hasattr(os, 'strerror'):
+            self.assertEqual(err, os.strerror(errno.EPERM))
+        err = asyncore._strerror(-1)
+        self.assertTrue("unknown error" in err.lower())
+
 
 class dispatcherwithsend_noread(asyncore.dispatcher_with_send):
     def readable(self):