Fix many* python scripts in src/

remoting/tools/runclient.py

 #!/usr/bin/env python
-#
-# Copyright (c) 2010 The Chromium Authors. All rights reserved.
+# Copyright (c) 2011 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.
-#
-# runclient.py gets the chromoting host info from an input arg and then
-# tries to find the authentication info in the .chromotingAuthToken file
-# so that the host authentication arguments can be automatically set.
+
+"""Gets the chromoting host info from an input arg and then
+tries to find the authentication info in the .chromotingAuthToken file
+so that the host authentication arguments can be automatically set.
+"""
 
 import os
 import platform
+import sys
 
-auth_filepath = os.path.join(os.path.expanduser('~'), '.chromotingAuthToken')
-script_path = os.path.dirname(__file__)
+def main():
+  auth_filepath = os.path.join(os.path.expanduser('~'), '.chromotingAuthToken')
+  script_path = os.path.dirname(__file__)
 
-if platform.system() == "Windows":
-  # TODO(garykac): Make this work on Windows.
-  print 'Not yet supported on Windows.'
-  exit(1)
-elif platform.system() == "Darwin": # Darwin == MacOSX
-  client_path = '../../xcodebuild/Debug/chromoting_simple_client'
-else:
-  client_path = '../../out/Debug/chromoting_x11_client'
+  if platform.system() == "Windows":
+    # TODO(garykac): Make this work on Windows.
+    print 'Not yet supported on Windows.'
+    return 1
+  elif platform.system() == "Darwin": # Darwin == MacOSX
+    client_path = '../../xcodebuild/Debug/chromoting_simple_client'
+  else:
+    client_path = '../../out/Debug/chromoting_x11_client'
 
-client_path = os.path.join(script_path, client_path)
+  client_path = os.path.join(script_path, client_path)
 
-# Read username and auth token from token file.
-auth = open(auth_filepath)
-authinfo = auth.readlines()
+  # Read username and auth token from token file.
+  auth = open(auth_filepath)
+  authinfo = auth.readlines()
 
-username = authinfo[0].rstrip()
-authtoken = authinfo[1].rstrip()
+  username = authinfo[0].rstrip()
+  authtoken = authinfo[1].rstrip()
 
-# Request final 8 characters of Host JID from user.
-# This assumes that the host is published under the same username as the
-# client attempting to connect.
-print 'Host JID:', username + '/chromoting',
-hostjid_suffix = raw_input()
-hostjid = username + '/chromoting' + hostjid_suffix.upper()
+  # Request final 8 characters of Host JID from user.
+  # This assumes that the host is published under the same username as the
+  # client attempting to connect.
+  print 'Host JID:', username + '/chromoting',
+  hostjid_suffix = raw_input()
+  hostjid = username + '/chromoting' + hostjid_suffix.upper()
 
-command = []
-command.append(client_path)
-command.append('--host_jid ' + hostjid)
-command.append('--jid ' + username)
-command.append('--token ' + authtoken)
+  command = []
+  command.append(client_path)
+  command.append('--host_jid ' + hostjid)
+  command.append('--jid ' + username)
+  command.append('--token ' + authtoken)
 
-# Launch the client
-os.system(' '.join(command))
+  # Launch the client
+  os.system(' '.join(command))
+  return 0
+
+
+if __name__ == '__main__':
+  sys.exit(main())