error

Traceback (most recent call last):
Failure: twisted.internet.error.ConnectionRefusedError: Connection was refused by other side: 111: Connection refused.
Done with math: [(True, 94), (False, <twisted.python.failure.Failure <class 'twisted.internet.error.ConnectionRefusedError'>>)]

firs.tac

# Read username, output from non-empty factory, drop connections
# Use deferreds, to minimize synchronicity assumptions
# Write application. Save in 'finger.tpy'

from twisted.application import internet, service
from twisted.internet import protocol, reactor, defer
from twisted.protocols import basic

class FingerProtocol(basic.LineReceiver):
    def lineReceived(self, user):
        if 'add'in user:
            print user
            a = user.split(' ', 2)
            print a
            a.pop(0)
            print a
            factory.users[a[0]] = a[1]
            print factory.users
        else:
            d = self.factory.getUser(user)

        def onError(err):
            return 'Internal error in server'
        if d:
            d.addErrback(onError)

        def writeResponse(message):
            self.transport.write(message + '\r\n')
        if d:
            d.addCallback(writeResponse)

class FingerFactory(protocol.ServerFactory):
    protocol = FingerProtocol

    def __init__(self, users):
        self.users = users 

    def getUser(self, user):
        return defer.succeed(self.users.get(user, "No such user"))

users = {'moshez':'happy and well', 'Rob':'Programming','Danny':'being happy'}

application = service.Application('finger', uid=1, gid=1)
factory = FingerFactory(users)
internet.TCPServer(1079, factory).setServiceParent(
    service.IServiceCollection(application))

link.txt

http://twistedmatrix.com/documents/current/api/twisted.protocols.amp.html

terminal

#server
sudo twistd -ny first.tac

#client
add Eliza playing