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

third_party/psutil/psutil/_compat.py

 #!/usr/bin/env python
 #
-# $Id: _compat.py 1142 2011-10-05 18:45:49Z g.rodola $
+# $Id: _compat.py 1145 2011-10-11 10:30:02Z 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.
 
 """Module which provides compatibility with older Python versions."""
 
 __all__ = ["namedtuple", "property"]
 
 from operator import itemgetter as _itemgetter
@@ skipping 98 matching lines @@
         # for example) or sys._getframe is not defined for arguments
         # greater than 0 (IronPython).
         try:
             result.__module__ = _sys._getframe(1).f_globals.get('__name__', '__main__')
         except (AttributeError, ValueError):
             pass
 
         return result
 
 
-# dirty hack to support property.setter on python < 2.6
-property = property
-
-if not hasattr(property, "setter"):
-
-    class property(property):
+# hack to support property.setter/deleter on python < 2.6
+# http://docs.python.org/library/functions.html?highlight=property#property
+if hasattr(property, 'setter'):
+    property = property
+else:
+    class property(__builtin__.property):
+        __metaclass__ = type
 
         def __init__(self, fget, *args, **kwargs):
+            super(property, self).__init__(fget, *args, **kwargs)
             self.__doc__ = fget.__doc__
-            super(property, self).__init__(fget, *args, **kwargs)
 
-        def setter(self, fset):
-            cls_ns = _sys._getframe(1).f_locals
-            for k, v in cls_ns.iteritems():
-              if v == self:
-                  propname = k
-                  break
-            cls_ns[propname] = property(self.fget, fset,
-                                        self.fdel, self.__doc__)
-            return cls_ns[propname]
+        def getter(self, method):
+            return property(method, self.fset, self.fdel)
 
-        def deleter(self, fdel):
-            cls_ns = _sys._getframe(1).f_locals
-            for k, v in cls_ns.iteritems():
-              if v == self:
-                  propname = k
-                  break
-            cls_ns[propname] = property(self.fget, self.fset,
-                                        fdel, self.__doc__)
-            return cls_ns[propname]
+        def setter(self, method):
+            return property(self.fget, method, self.fdel)
 
-    __builtin__.property = property
-
+        def deleter(self, method):
+            return property(self.fget, self.fset, method)