from twisted.internet.protocol import Protocol, Factory
from twisted.internet import reactor
from twisted.protocols.basic import LineReceiver


class Network(LineReceiver):

    def connectionMade(self):
        print 'A client has connected'

    def lineReceived(self, data):
        self.transport.loseConnection()


class NetworkFactory(Factory):

    def buildProtocol(self, addr):
        return Network()


if __name__ == '__main__':
    print 'Hello, World!'

    reactor.listenTCP(8000, NetworkFactory())
    reactor.run()