Viewing file:  Yahoo.py (1.87 KB) -rw-r--r--
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# Copyright (C) 1998,1999,2000,2001,2002 by the Free Software Foundation, Inc.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
"""Yahoo! has its own weird format for bounces."""
import re
import email
from email.Utils import parseaddr
tcre = re.compile(r'message\s+from\s+yahoo\.\S+', re.IGNORECASE)
acre = re.compile(r'<(?P<addr>[^>]*)>:')
ecre = re.compile(r'--- Original message follows')
def process(msg):
# Yahoo! bounces seem to have a known subject value and something called
# an x-uidl: header, the value of which seems unimportant.
sender = parseaddr(msg.get('from', '').lower())[1] or ''
if not sender.startswith('mailer-daemon@yahoo'):
return None
addrs = []
# simple state machine
# 0 == nothing seen
# 1 == tag line seen
state = 0
for line in email.Iterators.body_line_iterator(msg):
line = line.strip()
if state == 0 and tcre.match(line):
state = 1
elif state == 1:
mo = acre.match(line)
if mo:
addrs.append(mo.group('addr'))
continue
mo = ecre.match(line)
if mo:
# we're at the end of the error response
break
return addrs
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