Android: fixes "device_status_check.py" for missing status.

build/android/device_status_check.py

 #!/usr/bin/env python
 #
 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """A class to keep track of devices across builds and report state."""
 import logging
 import optparse
 import os
@@ skipping 19 matching lines @@
   def AdbShellCmd(cmd):
     return GetCmdOutput('adb -s %s shell %s' % (serial, cmd),
                         shell=True).strip()
 
   device_type = AdbShellCmd('getprop ro.build.product')
   device_build = AdbShellCmd('getprop ro.build.id')
 
   setup_wizard_disabled = AdbShellCmd(
       'getprop ro.setupwizard.mode') == 'DISABLED'
   battery = AdbShellCmd('dumpsys battery')
-  battery_level = int(re.findall('level: (\d+)', battery)[0])
-  battery_temp = float(re.findall('temperature: (\d+)', battery)[0])/10
+  if 'Error' in battery:
+    battery_level = 'Unknown'
+    battery_temp = 'Unknown'
+  else:
+    battery_level = int(re.findall('level: (\d+)', battery)[0])
+    battery_temp = float(re.findall('temperature: (\d+)', battery)[0]) / 10
   report = ['Device %s (%s)' % (serial, device_type),
             '  Build: %s (%s)' % (device_build,
                                   AdbShellCmd('getprop ro.build.fingerprint')),
             '  Battery: %s%%' % battery_level,
             '  Battery temp: %s' % battery_temp,
             '  IMEI slice: %s' % AdbShellCmd('dumpsys iphonesubinfo '
                                              '| grep Device'
                                              "| awk '{print $4}'")[-6:],
             '  Wifi IP: %s' % AdbShellCmd('getprop dhcp.wlan0.ipaddress'),
             '']
@@ skipping 126 matching lines @@
   for serial, device_errors in zip(devices, errors):
     full_errors.extend('%s: %s' % (serial, error) for error in device_errors)
   if full_errors:
     buildbot_report.PrintWarning()
     print '\n'.join(full_errors)
 
   CheckForMissingDevices(options, devices)
 
 if __name__ == '__main__':
   sys.exit(main())