Merged revisions 86383 via svnmerge from

svn+ssh://pythondev@svn.python.org/python/branches/py3k

........
  r86383 | antoine.pitrou | 2010-11-10 00:10:33 +0100 (mer., 10 nov. 2010) | 4 lines

  Issue #4471: Properly shutdown socket in IMAP.shutdown().  Patch by
  Lorenzo M. Catucci.
........

Lib/imaplib.py

@@ -248,6 +248,7 @@ class IMAP4:
     def shutdown(self):
         """Close I/O established in "open"."""
         self.file.close()
+        self.sock.shutdown(socket.SHUT_RDWR)
         self.sock.close()
 
 

Lib/test/test_imaplib.py

@@ -203,6 +203,7 @@ class RemoteIMAPTest(unittest.TestCase):
 
     def test_logout(self):
         rs = self.server.logout()
+        self.server = None
         self.assertEqual(rs[0], 'BYE')
 
 

Misc/ACKS

@@ -123,6 +123,7 @@ Tony Campbell
 Brett Cannon
 Mike Carlton
 Terry Carroll
+Lorenzo M. Catucci
 Donn Cave
 Charles Cazabon
 Per Cederqvist

Misc/NEWS

@@ -69,6 +69,9 @@ Core and Builtins
 Library
 -------
 
+- Issue #4471: Properly shutdown socket in IMAP.shutdown().  Patch by
+  Lorenzo M. Catucci.
+
 - Issue #10126: Fix distutils' test_build when Python was built with
   --enable-shared.