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  • Committer: Bazaar Package Importer
  • Author(s): Matthias Klose
  • Date: 2004-06-21 22:01:11 UTC
  • mto: (2.2.3 sid)
  • mto: This revision was merged to the branch mainline in revision 3.
  • Revision ID: james.westby@ubuntu.com-20040621220111-vkf909euqnyrp3nr
Tags: upstream-1.3.0
Import upstream version 1.3.0

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doc/examples/emailserver.py
 
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# Twisted, the Framework of Your Internet
 
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# Copyright (C) 2001 Matthew W. Lefkowitz
 
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# 
 
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# This library is free software; you can redistribute it and/or
 
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# modify it under the terms of version 2.1 of the GNU Lesser General Public
 
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# License as published by the Free Software Foundation.
 
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# 
 
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# This library is distributed in the hope that it will be useful,
 
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 
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# Lesser General Public License for more details.
 
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# 
 
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# You should have received a copy of the GNU Lesser General Public
 
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# License along with this library; if not, write to the Free Software
 
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
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"""
 
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A toy email server.
 
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"""
 
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from twisted.internet import defer
 
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from twisted.protocols import smtp
 
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class ConsoleMessageDelivery:
 
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    __implements__ = (smtp.IMessageDelivery,)
 
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    def receivedHeader(self, helo, origin, recipients):
 
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        return "Received: ConsoleMessageDelivery"
 
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    def validateFrom(self, helo, origin):
 
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        # All addresses are accepted
 
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        return origin
 
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    def validateTo(self, user):
 
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        # Only messages directed to the "console" user are accepted.
 
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        if user.dest.local == "console":
 
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            return lambda: ConsoleMessage()
 
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        raise smtp.SMTPBadRcpt(user)
 
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class ConsoleMessage:
 
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    __implements__ = (smtp.IMessage,)
 
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    def __init__(self):
 
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        self.lines = []
 
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    def lineReceived(self, line):
 
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        self.lines.append(line)
 
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    def eomReceived(self):
 
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        print "New message received:"
 
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        print "\n".join(self.lines)
 
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        self.lines = None
 
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        return defer.succeed(None)
 
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    def connectionLost(self):
 
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        # There was an error, throw away the stored lines
 
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        self.lines = None
 
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class ConsoleSMTPFactory(smtp.SMTPFactory):
 
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    def __init__(self, *a, **kw):
 
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        smtp.SMTPFactory.__init__(self, *a, **kw)
 
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        self.delivery = ConsoleMessageDelivery()
 
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    def buildProtocol(self, addr):
 
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        p = smtp.SMTPFactory.buildProtocol(self, addr)
 
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        p.delivery = self.delivery
 
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        return p
 
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def main():
 
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    from twisted.application import internet
 
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    from twisted.application import service
 
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    a = service.Application("Console SMTP Server")
 
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    internet.TCPServer(2500, ConsoleSMTPFactory()).setServiceParent(a)
 
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    return a
 
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application = main()