# 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