[Assorted-commits] SF.net SVN: assorted: [706] python-commons/trunk/src/commons/networking.py

[<yan...@us...>]

Revision: 706
          http://assorted.svn.sourceforge.net/assorted/?rev=706&view=rev
Author:   yangzhang
Date:     2008-05-07 20:18:57 -0700 (Wed, 07 May 2008)

Log Message:
-----------
added logout

Modified Paths:
--------------
    python-commons/trunk/src/commons/networking.py

Modified: python-commons/trunk/src/commons/networking.py
===================================================================
--- python-commons/trunk/src/commons/networking.py	2008-05-08 03:18:47 UTC (rev 705)
+++ python-commons/trunk/src/commons/networking.py	2008-05-08 03:18:57 UTC (rev 706)
@@ -7,6 +7,7 @@
 
 import os, sys
 from time import *
+from contextlib import contextmanager
 
 class NoMacAddrError( Exception ): pass
 
@@ -63,3 +64,11 @@
         print 'backing off for', backoff
         sleep(backoff)
         backoff = multiplier * backoff
+
+@contextmanager
+def logout(x):
+    """
+    A context manager for finally calling the C{logout()} method of an object.
+    """
+    try: yield x
+    finally: x.logout()


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