46 lines
1.2 KiB
Python
46 lines
1.2 KiB
Python
"""A process that reads from stdin and out using Twisted."""
|
|
|
|
from __future__ import division, absolute_import, print_function
|
|
|
|
### 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
|
|
pos = os.path.abspath(sys.argv[0]).find(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 implementer
|
|
from twisted.internet import interfaces
|
|
|
|
log.startLogging(sys.stderr)
|
|
|
|
from twisted.internet import protocol, reactor, stdio
|
|
|
|
|
|
@implementer(interfaces.IHalfCloseableProtocol)
|
|
class Echo(protocol.Protocol):
|
|
|
|
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()
|