doc/mail/tutorial/smtpclient/smtpclient-10.tac

   1 import StringIO
   2
   3 from twisted.application import service
   4
   5 application = service.Application("SMTP Client Tutorial")
   6
   7 from twisted.application import internet
   8 from twisted.internet import protocol
   9 from twisted.internet import defer
  10 from twisted.mail import smtp
  11
  12 class SMTPTutorialClient(smtp.ESMTPClient):
  13     mailFrom = "tutorial_sender@example.com"
  14     mailTo = "tutorial_recipient@example.net"
  15     mailData = '''\
  16 Date: Fri, 6 Feb 2004 10:14:39 -0800
  17 From: Tutorial Guy <tutorial_sender@example.com>
  18 To: Tutorial Gal <tutorial_recipient@example.net>
  19 Subject: Tutorate!
  20
  21 Hello, how are you, goodbye.
  22 '''
  23
  24     def getMailFrom(self):
  25         result = self.mailFrom
  26         self.mailFrom = None
  27         return result
  28
  29     def getMailTo(self):
  30         return [self.mailTo]
  31
  32     def getMailData(self):
  33         return StringIO.StringIO(self.mailData)
  34
  35     def sentMail(self, code, resp, numOk, addresses, log):
  36         print 'Sent', numOk, 'messages'
  37
  38         from twisted.internet import reactor
  39         reactor.stop()
  40
  41 class SMTPClientFactory(protocol.ClientFactory):
  42     protocol = SMTPTutorialClient
  43
  44     def buildProtocol(self, addr):
  45         return self.protocol(secret=None, identity='example.com')
  46
  47 def getMailExchange(host):
  48     return defer.succeed('localhost')
  49
  50 def cbMailExchange(exchange):
  51     smtpClientFactory = SMTPClientFactory()
  52
  53     smtpClientService = internet.TCPClient(exchange, 25, smtpClientFactory)
  54     smtpClientService.setServiceParent(application)
  55
  56 getMailExchange('example.net').addCallback(cbMailExchange)