Add psutil build step to fix pyauto media issues. Upgrade psutil to 0.4.0.

third_party/psutil/psutil/_psposix.py

 #!/usr/bin/env python
 #
-# $Id: _psposix.py 1142 2011-10-05 18:45:49Z g.rodola $
+# $Id: _psposix.py 1162 2011-10-14 20:41:07Z g.rodola $
 #
 # Copyright (c) 2009, Jay Loden, Giampaolo Rodola'. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """Routines common to all posix systems."""
 
 import os
 import errno
 import subprocess
@@ skipping 107 matching lines @@
                     'IPv4' : socket.AF_INET,
                     'IPv6' : socket.AF_INET6}
     _openfile_ntuple = namedtuple('openfile', 'path fd')
     _connection_ntuple = namedtuple('connection', 'fd family type local_address '
                                                   'remote_address status')
 
     def __init__(self, pid, name):
         self.pid = pid
         self.process_name = name
 
+    # XXX - this is no longer used
     def get_process_open_files(self):
         """Return files opened by process by parsing lsof output."""
         # Options:
         # -i == network files only
         # -a == ANDing of all options
         # -p == process with given PID only
         # -n == do not resolve IP addresses
         # -P == do not resolve port numbers
         # -w == suppresses warnings
         # -F0nPt == (0) separate lines with "\x00"
@@ skipping 168 matching lines @@
             elif family == socket.AF_INET6:
                 ip = "::"
             # OS X can have some procs e.g. SystemUIServer listening on *:*
             else:
                 raise ValueError("invalid IP %s" %addr)
             if port == "*":
                 return 0
         return (ip, int(port))