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# Copyright (c) Twisted Matrix Laboratories.
# See LICENSE for details.
from twisted.internet import protocol, reactor
class Echo(protocol.Protocol):
"""This is just about the simplest possible protocol"""
def dataReceived(self, data):
"As soon as any data is received, write it back."
self.transport.write(data)
def main():
"""This runs the protocol on port 8000"""
factory = protocol.ServerFactory()
factory.protocol = Echo
reactor.listenTCP(8000, factory)
reactor.run()
# this only runs if the module was *not* imported
if __name__ == "__main__":
main()
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