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Viewing changes to vendor/Twisted-10.0.0/doc/core/howto/listings/pb/cache_sender.py

  • Committer: Jesse Andrews
  • Date: 2010-05-28 06:05:26 UTC
  • Revision ID: git-v1:bf6e6e718cdc7488e2da87b21e258ccc065fe499
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vendor/Twisted-10.0.0/doc/core/howto/listings/pb/cache_sender.py
 
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#!/usr/bin/env python
 
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# Copyright (c) 2009 Twisted Matrix Laboratories.
 
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# See LICENSE for details.
 
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from twisted.spread import pb, jelly
 
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from twisted.python import log
 
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from twisted.internet import reactor
 
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from cache_classes import MasterDuckPond
 
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class Sender:
 
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    def __init__(self, pond):
 
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        self.pond = pond
 
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    def phase1(self, remote):
 
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        self.remote = remote
 
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        d = remote.callRemote("takePond", self.pond)
 
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        d.addCallback(self.phase2).addErrback(log.err)
 
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    def phase2(self, response):
 
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        self.pond.addDuck("ugly duckling")
 
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        self.pond.count()
 
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        reactor.callLater(1, self.phase3)
 
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    def phase3(self):
 
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        d = self.remote.callRemote("checkDucks")
 
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        d.addCallback(self.phase4).addErrback(log.err)
 
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    def phase4(self, dummy):
 
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        self.pond.removeDuck("one duck")
 
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        self.pond.count()
 
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        self.remote.callRemote("checkDucks")
 
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        d = self.remote.callRemote("ignorePond")
 
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        d.addCallback(self.phase5)
 
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    def phase5(self, dummy):
 
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        d = self.remote.callRemote("shutdown")
 
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        d.addCallback(self.phase6)
 
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    def phase6(self, dummy):
 
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        reactor.stop()
 
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def main():
 
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    master = MasterDuckPond(["one duck", "two duck"])
 
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    master.count()
 
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    sender = Sender(master)
 
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    factory = pb.PBClientFactory()
 
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    reactor.connectTCP("localhost", 8800, factory)
 
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    deferred = factory.getRootObject()
 
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    deferred.addCallback(sender.phase1)
 
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    reactor.run()
 
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if __name__ == '__main__':
 
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    main()