ipc_ping.py

"""Run another program and keep a bidirectional
   pipe open to communicate with it.
   by stephan)
"""
from slut import *
from twisted.internet.protocol import ProcessProtocol


class Atlantis(World):
    def onSetup(self):
        self.name = "Ping"
        self.width = 600
        self.height = 100
        self.font = font(12, 'courier')
        self.pingoutput = ''

        #some platforms may require to 
        #specify the entire path to the program
        reactor.spawnProcess(Pro(), "ping", ["ping", "google.com"], {})

    def onDrawOrtho(self):
        text(self.pingoutput, self.font, 10, 50)


class Pro(ProcessProtocol):
    def connectionMade(self):
        print "connectionMade"
        print "self.transport.write(text) can now
        print "be used to write to the process."
    def outReceived(self, data):
        glo.world.pingoutput = data[:-1]


atlantis = Atlantis()
atlantis.run()