Fix many* python scripts in src/

remoting/tools/gettoken.py

Index: remoting/tools/gettoken.py
diff --git a/remoting/tools/gettoken.py b/remoting/tools/gettoken.py
index a36408bd009b8ccc5cabf6a0fe2a18e024213769..4f867bfcc476ed73ca4e5e9e359d1af0bab57a46 100755
--- a/remoting/tools/gettoken.py
+++ b/remoting/tools/gettoken.py
@@ -1,11 +1,12 @@
 #!/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.
-#
-# gettoken.py can be used to get auth token from Gaia. It asks username and
-# password and then prints token on the screen.
+
+"""Get auth token from Gaia.
+
+It asks username and password and then prints token on the screen.
+"""
 
 import getpass
 import os
@@ -13,46 +14,53 @@ import urllib
 
 import gaia_auth
 
-chromoting_auth_filepath = os.path.join(os.path.expanduser('~'),
-                                        '.chromotingAuthToken')
-chromoting_dir_auth_filepath = os.path.join(os.path.expanduser('~'),
-                                            '.chromotingDirectoryAuthToken')
-
-print "Email:",
-email = raw_input()
-
-passwd = getpass.getpass("Password: ")
-
-chromoting_authenticator = gaia_auth.GaiaAuthenticator('chromiumsync');
-chromoting_auth_token = chromoting_authenticator.authenticate(email, passwd)
-
-chromoting_dir_authenticator = gaia_auth.GaiaAuthenticator('chromoting');
-chromoting_dir_auth_token = \
-    chromoting_dir_authenticator.authenticate(email, passwd)
-
-# Set permission mask for created files.
-os.umask(0066)
-
-chromoting_auth_file = open(chromoting_auth_filepath, 'w')
-chromoting_auth_file.write(email)
-chromoting_auth_file.write('\n')
-chromoting_auth_file.write(chromoting_auth_token)
-chromoting_auth_file.close()
-
-print
-print 'Chromoting (sync) Auth Token:'
-print
-print chromoting_auth_token
-print '...saved in', chromoting_auth_filepath
-
-chromoting_dir_auth_file = open(chromoting_dir_auth_filepath, 'w')
-chromoting_dir_auth_file.write(email)
-chromoting_dir_auth_file.write('\n')
-chromoting_dir_auth_file.write(chromoting_dir_auth_token)
-chromoting_dir_auth_file.close()
-
-print
-print 'Chromoting Directory Auth Token:'
-print
-print chromoting_dir_auth_token
-print '...saved in', chromoting_dir_auth_filepath
+
+def main():
+  basepath = os.path.expanduser('~')
+  chromoting_auth_filepath = os.path.join(basepath, '.chromotingAuthToken')
+  chromoting_dir_auth_filepath = os.path.join(
+      basepath, '.chromotingDirectoryAuthToken')
+
+  print "Email:",
+  email = raw_input()
+
+  passwd = getpass.getpass("Password: ")
+
+  chromoting_authenticator = gaia_auth.GaiaAuthenticator('chromiumsync');
+  chromoting_auth_token = chromoting_authenticator.authenticate(email, passwd)
+
+  chromoting_dir_authenticator = gaia_auth.GaiaAuthenticator('chromoting');
+  chromoting_dir_auth_token = chromoting_dir_authenticator.authenticate(
+      email, passwd)
+
+  # Set permission mask for created files.
+  os.umask(0066)
+
+  chromoting_auth_file = open(chromoting_auth_filepath, 'w')
+  chromoting_auth_file.write(email)
+  chromoting_auth_file.write('\n')
+  chromoting_auth_file.write(chromoting_auth_token)
+  chromoting_auth_file.close()
+
+  print
+  print 'Chromoting (sync) Auth Token:'
+  print
+  print chromoting_auth_token
+  print '...saved in', chromoting_auth_filepath
+
+  chromoting_dir_auth_file = open(chromoting_dir_auth_filepath, 'w')
+  chromoting_dir_auth_file.write(email)
+  chromoting_dir_auth_file.write('\n')
+  chromoting_dir_auth_file.write(chromoting_dir_auth_token)
+  chromoting_dir_auth_file.close()
+
+  print
+  print 'Chromoting Directory Auth Token:'
+  print
+  print chromoting_dir_auth_token
+  print '...saved in', chromoting_dir_auth_filepath
+  return 0
+
+
+if __name__ == '__main__':
+  sys.exit(main())