Creating the signal in the python program for inter process communication

Signal.py

from pydispatch import dispatcher
SIGNAL = 'my-first-signal'

def handle_event( **kwargs ):
    """Simple event handler"""
    print 'Signal was sent by', kwargs['message']
dispatcher.connect( handle_event, signal=SIGNAL, sender=dispatcher.Any )
  
first_sender = "sender"
second_sender = "sender"
def main( ):
    dispatcher.send(message="test", signal=SIGNAL, sender=first_sender )
    dispatcher.send(message="test1", signal=SIGNAL, sender=second_sender )
  
if __name__ == "__main__":
    main()