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"""A process that reads from stdin and out using Twisted."""
### Twisted Preamble
# This makes sure that users don't have to set up their environment
# specially in order to run these programs from bin/.
import sys, os, string
pos = string.find(os.path.abspath(sys.argv[0]), os.sep+'Twisted')
if pos != -1:
sys.path.insert(0, os.path.abspath(sys.argv[0])[:pos+8])
sys.path.insert(0, os.curdir)
### end of preamble
from twisted.python import log
from zope.interface import implements
from twisted.internet import interfaces
log.startLogging(sys.stderr)
from twisted.internet import protocol, reactor, stdio
class Echo(protocol.Protocol):
implements(interfaces.IHalfCloseableProtocol)
def connectionMade(self):
print "connection made"
def dataReceived(self, data):
self.transport.write(data)
def readConnectionLost(self):
print "readConnectionLost"
self.transport.loseConnection()
def writeConnectionLost(self):
print "writeConnectionLost"
def connectionLost(self, reason):
print "connectionLost", reason
reactor.stop()
stdio.StandardIO(Echo())
reactor.run()
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