Ignore device status check emailing exceptions.

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 optparse
 import os
@@ skipping 98 matching lines @@
     # Only send email if the first time a particular device goes offline
     last_missing = ReadDeviceList('.last_missing')
     new_missing_devs = set(missing_devs) - set(last_missing)
 
     if new_missing_devs:
       msg_body = '\r\n'.join(
           ['From: %s' % from_address,
            'To: %s' % to_address,
            'Subject: %s' % subject,
            '', body])
-      server = smtplib.SMTP('localhost')
-      server.sendmail(from_address, [to_address], msg_body)
-      server.quit()
+      try:
+        server = smtplib.SMTP('localhost')
+        server.sendmail(from_address, [to_address], msg_body)
+        server.quit()
+      except Exception as e:
+        print 'Failed to send alert email. Error: %s' % e
   else:
     new_devs = set(adb_online_devs) - set(last_devices)
     if new_devs and os.path.exists(last_devices_path):
       buildbot_report.PrintWarning()
       buildbot_report.PrintSummaryText(
           '%d new devices detected' % len(new_devs))
       print ('New devices detected %s. And now back to your '
              'regularly scheduled program.' % list(new_devs))
   WriteDeviceList('.last_devices', (adb_online_devs + last_devices))
   WriteDeviceList('.last_missing', missing_devs)
@@ skipping 18 matching lines @@
   unique_types = list(set(types))
   unique_builds = list(set(builds))
 
   buildbot_report.PrintMsg('Online devices: %d. Device types %s, builds %s'
                            % (len(devices), unique_types, unique_builds))
   print '\n'.join(reports)
   CheckForMissingDevices(options, devices)
 
 if __name__ == '__main__':
   sys.exit(main())