Viewing file:  process_twisted.py (1.15 KB) -rw-r--r--
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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 os
import sys
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 zope.interface import implementer
from twisted.internet import interfaces
from twisted.python import log
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() # type: ignore[attr-defined]
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