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  • Committer: Bazaar Package Importer
  • Author(s): Matthias Klose
  • Date: 2007-01-17 14:52:35 UTC
  • mfrom: (1.1.5 upstream) (2.1.2 etch)
  • Revision ID: james.westby@ubuntu.com-20070117145235-btmig6qfmqfen0om
Tags: 2.5.0-0ubuntu1
New upstream version, compatible with python2.5.

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twisted/mail/bounce.py
 
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# -*- test-case-name: twisted.mail.test.test_bounce -*-
 
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#
 
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# Copyright (c) 2001-2004 Twisted Matrix Laboratories.
 
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# See LICENSE for details.
 
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import StringIO
 
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import rfc822
 
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import string
 
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import time
 
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import os
 
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from twisted.mail import smtp
 
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BOUNCE_FORMAT = """\
 
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From: postmaster@%(failedDomain)s
 
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To: %(failedFrom)s
 
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Subject: Returned Mail: see transcript for details
 
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Message-ID: %(messageID)s
 
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Content-Type: multipart/report; report-type=delivery-status;
 
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    boundary="%(boundary)s"
 
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--%(boundary)s
 
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%(transcript)s
 
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--%(boundary)s
 
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Content-Type: message/delivery-status
 
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Arrival-Date: %(ctime)s
 
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Final-Recipient: RFC822; %(failedTo)s
 
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"""
 
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def generateBounce(message, failedFrom, failedTo, transcript=''):
 
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    if not transcript:
 
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        transcript = '''\
 
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I'm sorry, the following address has permanent errors: %(failedTo)s.
 
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I've given up, and I will not retry the message again.
 
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''' % vars()
 
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    boundary = "%s_%s_%s" % (time.time(), os.getpid(), 'XXXXX')
 
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    failedAddress = rfc822.AddressList(failedTo)[0][1]
 
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    failedDomain = string.split(failedAddress, '@', 1)[1]
 
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    messageID = smtp.messageid(uniq='bounce')
 
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    ctime = time.ctime(time.time())
 
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    fp = StringIO.StringIO()
 
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    fp.write(BOUNCE_FORMAT % vars())
 
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    orig = message.tell()
 
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    message.seek(2, 0)
 
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    sz = message.tell()
 
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    message.seek(0, orig)
 
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    if sz > 10000:
 
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        while 1:
 
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            line = message.readline()
 
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            if len(line)<=1:
 
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                break
 
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            fp.write(line)
 
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    else:
 
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        fp.write(message.read())
 
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    return '', failedFrom, fp.getvalue()