Sep-26-2017, 08:14 PM
If you know the pid of the other process, you could use a signal. The original process would set a signal handler, then anything that sent that signal, would trigger the event to fire off (in this case, opening a new browser window). That's a little more lightweight than using sockets.
https://docs.python.org/3/library/signal.html
https://docs.python.org/3/library/signal.html