Use functools.wraps to make sure wrapped method's metadata (docstring and name) doesn't get mangled.

1 files changed, 4 insertions, 2 deletions

diff --git a/nova/utils.py b/nova/utils.py
index 48f12350f..9929e6fef 100644
--- a/nova/utils.py
+++ b/nova/utils.py
@@ -23,11 +23,14 @@ System-level utilities and helper functions.
 
 import base64
 import datetime
+import functools
 import inspect
 import json
 import lockfile
+import netaddr
 import os
 import random
+import re
 import socket
 import string
 import struct
@@ -35,8 +38,6 @@ import sys
 import time
 import types
 from xml.sax import saxutils
-import re
-import netaddr
 
 from eventlet import event
 from eventlet import greenthread
@@ -496,6 +497,7 @@ def loads(s):
 
 def synchronized(name):
     def wrap(f):
+        @functools.wraps(f)
         def inner(*args, **kwargs):
             lock = lockfile.FileLock(os.path.join(FLAGS.lock_path,
                                                   'nova-%s.lock' % name))