from __future__ import print_function
from twisted.internet.protocol import Protocol, ClientFactory
import sys

class WelcomeMessage(Protocol):
    def dataReceived(self, data):
        sys.stdout.write(data)
    def connectionMade(self):
        self.transport.write('Hello server, I am the client!\n')

class WelcomeMessageFactory(ClientFactory):
    def startedConnecting(self, connector):
        print('Started to connect.')
    def buildProtocol(self, addr):
        print('Connected.')
        return WelcomeMessage()
    def clientConnectionLost(self, connector, reason):
        print('Lost connection. Reason:', reason)
    def clientConnectionFailed(self, connector, reason):
        print('Connection failed. Reason:', reason)


from twisted.internet import reactor
d = reactor.connectTCP("localhost", 8007, WelcomeMessageFactory())
reactor.run()