File: stdin.py

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# Copyright (c) Twisted Matrix Laboratories.
# See LICENSE for details.


"""
An example of reading a line at a time from standard input
without blocking the reactor.
"""

from twisted.internet import stdio
from twisted.protocols import basic

class Echo(basic.LineReceiver):
    from os import linesep as delimiter

    def connectionMade(self):
        self.transport.write('>>> ')

    def lineReceived(self, line):
        self.sendLine('Echo: ' + line)
        self.transport.write('>>> ')

def main():
    stdio.StandardIO(Echo())
    from twisted.internet import reactor
    reactor.run()

if __name__ == '__main__':
    main()