Upstream version 5.34.104.0

[platform/framework/web/crosswalk.git] / src / tools / telemetry / telemetry / core / backends / chrome / system_info_backend.py

diff --git a/src/tools/telemetry/telemetry/core/backends/chrome/system_info_backend.py b/src/tools/telemetry/telemetry/core/backends/chrome/system_info_backend.py
index 22ed74f..ad45afa 100644 (file)
--- a/src/tools/telemetry/telemetry/core/backends/chrome/system_info_backend.py
+++ b/src/tools/telemetry/telemetry/core/backends/chrome/system_info_backend.py
@@ -2,6 +2,7 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
+from telemetry import decorators
 from telemetry.core import camel_case
 from telemetry.core import system_info
 from telemetry.core.backends.chrome import websocket_browser_connection
@@ -11,17 +12,15 @@ class SystemInfoBackend(object):
   def __init__(self, devtools_port):
     self._conn = websocket_browser_connection.WebSocketBrowserConnection(
         devtools_port)
-    self._system_info = None
 
+  @decorators.Cache
   def GetSystemInfo(self, timeout=10):
-    if not self._system_info:
-      req = {'method': 'SystemInfo.getInfo'}
-      try:
-        res = self._conn.SyncRequest(req, timeout)
-        if 'error' in res:
-          return None
-        self._system_info = system_info.SystemInfo.FromDict(
-            camel_case.ToUnderscore(res['result']))
-      finally:
-        self._conn.Close()
-    return self._system_info
+    req = {'method': 'SystemInfo.getInfo'}
+    try:
+      res = self._conn.SyncRequest(req, timeout)
+    finally:
+      self._conn.Close()
+    if 'error' in res:
+      return None
+    return system_info.SystemInfo.FromDict(
+        camel_case.ToUnderscore(res['result']))