The Tor Browser / file revision

 #

 # This Source Code Form is subject to the terms of the Mozilla Public

 # License, v. 2.0. If a copy of the MPL was not distributed with this

 # file, You can obtain one at http://mozilla.org/MPL/2.0/.

 #

 """A wrapper around pywebsocket's standalone.py which causes it to ignore

 SIGINT.

 """

 import signal

 import sys

 if __name__ == '__main__':

     sys.path = ['pywebsocket'] + sys.path

     import standalone

     # If we received --interactive as the first argument, ignore SIGINT so

     # pywebsocket doesn't die on a ctrl+c meant for the debugger.  Otherwise,

     # die immediately on SIGINT so we don't print a messy backtrace.

     if len(sys.argv) >= 2 and sys.argv[1] == '--interactive':

         del sys.argv[1]

         signal.signal(signal.SIGINT, signal.SIG_IGN)

     else:

         signal.signal(signal.SIGINT, lambda signum, frame: sys.exit(1))

     standalone._main()