55 lines
1.5 KiB
Python
55 lines
1.5 KiB
Python
# -*- test-case-name: twisted.test.test_stdio.StandardInputOutputTestCase.test_producer -*-
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# Copyright (c) Twisted Matrix Laboratories.
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# See LICENSE for details.
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"""
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Main program for the child process run by
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L{twisted.test.test_stdio.StandardInputOutputTestCase.test_producer} to test
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that process transports implement IProducer properly.
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"""
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import sys, _preamble
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from twisted.internet import stdio, protocol
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from twisted.python import log, reflect
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class ProducerChild(protocol.Protocol):
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_paused = False
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buf = ''
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def connectionLost(self, reason):
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log.msg("*****OVER*****")
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reactor.callLater(1, reactor.stop)
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# reactor.stop()
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def dataReceived(self, bytes):
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self.buf += bytes
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if self._paused:
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log.startLogging(sys.stderr)
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log.msg("dataReceived while transport paused!")
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self.transport.loseConnection()
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else:
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self.transport.write(bytes)
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if self.buf.endswith('\n0\n'):
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self.transport.loseConnection()
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else:
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self.pause()
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def pause(self):
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self._paused = True
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self.transport.pauseProducing()
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reactor.callLater(0.01, self.unpause)
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def unpause(self):
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self._paused = False
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self.transport.resumeProducing()
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if __name__ == '__main__':
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reflect.namedAny(sys.argv[1]).install()
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from twisted.internet import reactor
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stdio.StandardIO(ProducerChild())
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reactor.run()
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