# 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. """Parse bounce messages generated by qmail. Qmail actually has a standard, called QSBMF (qmail-send bounce message format), as described in http://cr.yp.to/proto/qsbmf.txt This module should be conformant. """ import re import email.Iterators introtag = 'Hi. This is the' acre = re.compile(r'<(?P<addr>[^>]*)>:') def process(msg): addrs = [] # simple state machine # 0 = nothing seen yet # 1 = intro paragraph seen # 2 = recip paragraphs seen state = 0 for line in email.Iterators.body_line_iterator(msg): line = line.strip() if state == 0 and line.startswith(introtag): state = 1 elif state == 1 and not line: # Looking for the end of the intro paragraph state = 2 elif state == 2: if line.startswith('-'): # We're looking at the break paragraph, so we're done break # At this point we know we must be looking at a recipient # paragraph mo = acre.match(line) if mo: addrs.append(mo.group('addr')) # Otherwise, it must be a continuation line, so just ignore it # Not looking at anything in particular return addrs