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Viewing changes to vendor/Twisted-10.0.0/doc/mail/tutorial/smtpserver/smtpserver-7.tac

  • 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/mail/tutorial/smtpserver/smtpserver-7.tac
 
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import os
 
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from zope.interface import implements
 
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from twisted.application import service
 
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application = service.Application("SMTP Server Tutorial")
 
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from twisted.application import internet
 
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from twisted.internet import protocol, defer
 
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from twisted.mail import smtp
 
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class FileMessage(object):
 
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    implements(smtp.IMessage)
 
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    def __init__(self, fileObj):
 
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        self.fileObj = fileObj
 
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    def lineReceived(self, line):
 
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        self.fileObj.write(line + '\n')
 
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    def eomReceived(self):
 
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        self.fileObj.close()
 
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        return defer.succeed(None)
 
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    def connectionLost(self):
 
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        self.fileObj.close()
 
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        os.remove(self.fileObj.name)
 
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class TutorialDelivery(object):
 
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    implements(smtp.IMessageDelivery)
 
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    counter = 0
 
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    def validateTo(self, user):
 
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        fileName = 'tutorial-smtp.' + str(self.counter)
 
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        self.counter += 1
 
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        return lambda: FileMessage(file(fileName, 'w'))
 
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    def validateFrom(self, helo, origin):
 
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        return origin
 
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    def receivedHeader(self, helo, origin, recipients):
 
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        return 'Received: Tutorially.'
 
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class TutorialESMTPFactory(protocol.ServerFactory):
 
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    protocol = smtp.ESMTP
 
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    def buildProtocol(self, addr):
 
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        p = self.protocol()
 
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        p.delivery = TutorialDelivery()
 
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        p.factory = self
 
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        return p
 
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smtpServerFactory = TutorialESMTPFactory()
 
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smtpServerService = internet.TCPServer(2025, smtpServerFactory)
 
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smtpServerService.setServiceParent(application)