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6208fd26 | 1 | #!/usr/bin/env python |
58e64caf AA |
2 | # -*- coding: utf-8 -*- |
3 | #*************************************************************************** | |
ba6ae046 | 4 | #* Copyright (C) 2003-2013 Polytechnique.org * |
58e64caf AA |
5 | #* http://opensource.polytechnique.org/ * |
6 | #* * | |
7 | #* This program is free software; you can redistribute it and/or modify * | |
8 | #* it under the terms of the GNU General Public License as published by * | |
9 | #* the Free Software Foundation; either version 2 of the License, or * | |
10 | #* (at your option) any later version. * | |
11 | #* * | |
12 | #* This program is distributed in the hope that it will be useful, * | |
13 | #* but WITHOUT ANY WARRANTY; without even the implied warranty of * | |
14 | #* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * | |
15 | #* GNU General Public License for more details. * | |
16 | #* * | |
17 | #* You should have received a copy of the GNU General Public License * | |
18 | #* along with this program; if not, write to the Free Software * | |
19 | #* Foundation, Inc., * | |
20 | #* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * | |
21 | #*************************************************************************** | |
22 | ||
58e64caf AA |
23 | """ |
24 | Process as automatically as possible bounces from the newsletter | |
25 | ||
26 | The goal is to extract the email adresses that actually bounced. | |
27 | Bounces conforming to RFC 1894 will be automatically processed. | |
28 | ||
29 | This script uses the X-Spam-Flag header to remove spam and heuristics | |
30 | to detect out-of-office auto-replies and delivery status notifications. | |
31 | ||
32 | All emails are saved in different mailboxes to make human post-processing easier. | |
33 | """ | |
34 | ||
6208fd26 NI |
35 | import email |
36 | import mailbox | |
37 | import os | |
38 | import re | |
39 | import sys | |
40 | import time | |
58e64caf AA |
41 | |
42 | #----------------------------------------------------------------------------# | |
43 | ||
44 | class MboxProcessor: | |
45 | """Applies a series of filters to each message in a mbox.""" | |
46 | ||
47 | def __init__(self, mbox): | |
48 | self.mbox_file = mbox | |
49 | self.mbox = mailbox.mbox(self.mbox_file) | |
50 | self.filters = [ | |
51 | DirectBouncesFilter(), | |
52 | SpamFilter(), | |
53 | UnsureFilter(), | |
54 | CheckNonSpamFilter(), | |
55 | OutOfOfficeFilter(), | |
56 | DeliveryStatusNotificationFilter(), | |
57 | CatchAllFilter() | |
58 | ] | |
59 | ||
60 | def initialize_filters(self): | |
61 | for f in self.filters: f.initialize(self.mbox_file) | |
62 | self.start_time = time.clock() | |
63 | ||
64 | def apply_filters(self, message): | |
65 | return any(f.process(message) for f in self.filters) | |
66 | ||
67 | def finalize_filters(self): | |
68 | duration = time.clock() - self.start_time | |
69 | separator = '-' * 80 | |
6208fd26 NI |
70 | print(separator) |
71 | print('Processed the %d messages of %s in %.2fs' % (len(self.mbox), self.mbox_file, duration)) | |
72 | print(separator) | |
58e64caf | 73 | for f in self.filters: |
6208fd26 NI |
74 | f.finalize() |
75 | print(separator) | |
58e64caf AA |
76 | |
77 | def run(self): | |
78 | self.mbox.lock() | |
79 | try: | |
80 | self.initialize_filters() | |
81 | for message in self.mbox: self.apply_filters(message) | |
82 | self.finalize_filters() | |
83 | finally: | |
84 | self.mbox.unlock() | |
85 | self.mbox.close() | |
86 | ||
87 | #----------------------------------------------------------------------------# | |
88 | ||
89 | class MboxFilter: | |
90 | """Defines an interface for filters.""" | |
91 | ||
92 | def initialize(self, mbox_file): | |
93 | """Called by the processor before processing starts. | |
6208fd26 | 94 | |
58e64caf AA |
95 | This is the place to open descriptors required during processing.""" |
96 | pass | |
97 | ||
98 | def process(self, message): | |
99 | """Called by the processor for each message that reaches this step. | |
6208fd26 | 100 | |
58e64caf AA |
101 | Return true to stop processing, and false to go to the next filter.""" |
102 | pass | |
103 | ||
104 | def finalize(self): | |
105 | """Called by the processor after processing ends. | |
6208fd26 | 106 | |
58e64caf AA |
107 | This is the place to display the results and close all descriptors.""" |
108 | pass | |
109 | ||
110 | #----------------------------------------------------------------------------# | |
111 | ||
112 | def findSubject(message): | |
113 | """Returns the subject of an email.Message as an unicode string.""" | |
6208fd26 NI |
114 | if message['Subject'] is None: |
115 | return None | |
116 | ||
117 | # decode_header returns a list of (decoded_string, charset) pairs | |
118 | decoded_seq = email.header.decode_header(message['Subject']) | |
119 | decoded_seq = [(subj, enc or 'utf-8') for subj, enc in decoded_seq] | |
120 | header = email.header.make_header(decoded_seq) | |
121 | # Be Python 2 & 3 compatible | |
122 | return unicode(header) if sys.version_info < (3,) else str(header) | |
123 | ||
58e64caf AA |
124 | |
125 | _recipient_re = re.compile(r'^rfc822; ?(.+)$', re.I | re.U) | |
8c9c7d77 NI |
126 | # Some MTA set the Final-Recipient with "LOCAL;" instead of "rfc822;" |
127 | _recipient_re2 = re.compile(r'^local; ?(.+)$', re.I | re.U) | |
58e64caf | 128 | |
6208fd26 | 129 | |
58e64caf AA |
130 | def findAddressInBounce(bounce): |
131 | """Finds the faulty email address in a bounced email. | |
6208fd26 | 132 | |
58e64caf AA |
133 | See RFC 1894 for more information. |
134 | Returns None or the email address.""" | |
6208fd26 | 135 | |
58e64caf AA |
136 | # Check that it is a bounce - a few MTA fail to set this correctly :( |
137 | if bounce.get_content_type() != 'multipart/report': | |
6208fd26 | 138 | print('! Not a valid bounce (expected multipart/report, found %s).' % bounce.get_content_type()) |
58e64caf AA |
139 | return None |
140 | # Extract the second component of the multipart/report | |
aa6c6ed4 AA |
141 | num_payloads = len(bounce.get_payload()) |
142 | if num_payloads < 2: | |
6208fd26 | 143 | print('! Not a valid bounce (expected at least 2 parts, found %d).' % num_payloads) |
58e64caf AA |
144 | return None |
145 | status = bounce.get_payload(1) | |
146 | if status.get_content_type() != 'message/delivery-status': | |
4aad6c9c | 147 | print('! Not a valid bounce (expected message/delivery-status, found %s).' % status.get_content_type()) |
58e64caf AA |
148 | return None |
149 | # The per-message-fields don't matter here, get only the per-recipient-fields | |
aa6c6ed4 AA |
150 | num_payloads = len(status.get_payload()) |
151 | if num_payloads < 2: | |
6208fd26 | 152 | print('! Not a valid bounce (expected at least 2 parts, found %d).' % num_payloads) |
58e64caf AA |
153 | return None |
154 | content = status.get_payload(1) | |
155 | if content.get_content_type() != 'text/plain': | |
4aad6c9c | 156 | print('! Not a valid bounce (expected text/plain, found %s).' % content.get_content_type()) |
58e64caf AA |
157 | return None |
158 | # Extract the faulty email address | |
159 | recipient_match = _recipient_re.search(content['Final-Recipient']) | |
160 | if recipient_match is None: | |
8c9c7d77 NI |
161 | # Be nice, test another regexp |
162 | recipient_match = _recipient_re2.search(content['Final-Recipient']) | |
163 | if recipient_match is None: | |
164 | print('! Missing final recipient.') | |
165 | return None | |
58e64caf AA |
166 | email = recipient_match.group(1) |
167 | # Check the action field | |
4aad6c9c | 168 | if content['Action'].lower() != 'failed': |
6208fd26 | 169 | print('! Not a failed action (%s).' % content['Action']) |
58e64caf | 170 | return None |
29c6ffa5 NI |
171 | |
172 | status = content['Status'] | |
173 | diag_code = content['Diagnostic-Code'] | |
174 | ||
175 | # Permanent failure state | |
176 | if int(status[:1]) == 5: | |
177 | return email | |
178 | ||
58e64caf | 179 | # Mail forwarding loops, DNS errors and connection timeouts cause X-Postfix errors |
29c6ffa5 NI |
180 | if diag_code is not None and diag_code.startswith('X-Postfix'): |
181 | return email | |
182 | ||
183 | failure_hints = [ | |
184 | "insufficient system storage", | |
185 | "mailbox full", | |
186 | "user unknown", | |
187 | ] | |
188 | if 'quota' in status.lower(): | |
189 | return email | |
190 | if diag_code is not None: | |
191 | ldiag_code = diag_code.lower() | |
192 | if any(hint in ldiag_code for hint in failure_hints): | |
193 | return email | |
194 | ||
195 | print('! Not a permanent failure status (%s).' % status) | |
196 | if diag_code is not None: | |
197 | print('! Diagnostic code was: %s' % diag_code) | |
198 | return None | |
58e64caf | 199 | |
15f4834d NI |
200 | |
201 | def findAddressInPlainBounce(bounce): | |
202 | """Finds the faulty email address in a non-RFC-1894 bounced email | |
203 | """ | |
204 | if 'MAILER-DAEMON@' not in bounce['From'].upper(): | |
205 | print('! Not a valid plain bounce (expected from MAILER-DAEMON, found %s).' % bounce['From']) | |
206 | return None | |
207 | if bounce.get_content_type() != 'text/plain': | |
208 | print('! Not a valid plain bounce (expected text/plain, found %s).' % bounce.get_content_type()) | |
209 | return None | |
210 | subject = findSubject(bounce).lower() | |
211 | if (subject != 'failure notice' | |
212 | and subject != 'undeliverable message' | |
213 | and not subject.startswith('mail delivery failed') | |
214 | and subject != 'delivery status notification (failure)'): | |
215 | ||
216 | print('! Not a valid plain bounce (unknown subject: %s).' % subject) | |
217 | return None | |
218 | ||
219 | # Read the 15 first lines of content and find some relevant keywords to validate the bounce | |
220 | lines = bounce.get_payload().splitlines()[:15] | |
221 | ||
222984e4 NI |
222 | # ALTOSPAM is a service which requires to click on a link when sending an email |
223 | # Don't consider the "554 5.0.0 Service unavailable" returned by ALTOSPAM as a failure | |
224 | # but put this message in the dsn-temp mailbox so that it can be processed by hand. | |
225 | if any("ALTOSPAM which is used by the person" in line for line in lines): | |
226 | print('! ALTOSPAM has been detected. Moving this message to the dsn-temp mbox') | |
227 | return None | |
228 | ||
15f4834d NI |
229 | # Match: |
230 | # A message that you sent could not be delivered to one or more of its recipients. | |
231 | # I'm afraid I wasn't able to deliver your message to the following addresses. | |
232 | # The following message to <email@example.com> was undeliverable. | |
233 | non_delivery_hints = [ | |
234 | "Delivery to the following recipient failed permanently", | |
235 | "I wasn't able to deliver your message", | |
236 | "> was undeliverable.", | |
237 | "could not be delivered to", | |
238 | "we were unable to deliver your message", | |
239 | ] | |
240 | if not any(any(hint in line for hint in non_delivery_hints) for line in lines): | |
241 | print('! Unknown mailer-daemon message, unable to find an hint for non-delivery in message:') | |
242 | print('\n'.join(lines)) | |
243 | return None | |
244 | ||
245 | # Match: | |
246 | # This is a permanent error; I've given up. Sorry it didn't work out. | |
247 | # 5.1.0 - Unknown address error 550-'email@example.com... No such user' | |
248 | permanent_error_hints = [ | |
249 | "Delivery to the following recipient failed permanently", | |
250 | "This is a permanent error", | |
251 | "Unknown address error", | |
252 | "550 Requested action not taken", | |
253 | ] | |
254 | if not any(any(hint in line for hint in permanent_error_hints) for line in lines): | |
255 | print('! Unknown mailer-daemon message, unable to find an hint for permanent error in message:') | |
256 | print('\n'.join(lines)) | |
257 | return None | |
258 | ||
259 | # Retrieve the first occurence of <email@example.com> | |
260 | for line in lines: | |
261 | match = re.match(r'.*?<([0-9a-zA-Z_.-]+@[0-9a-zA-Z_.-]+)>', line) | |
262 | if match is None: | |
263 | match = re.match(r'^\s*([0-9a-zA-Z_.-]+@[0-9a-zA-Z_.-]+)\s*$', line) | |
264 | if match is not None: | |
265 | email = match.group(1) | |
266 | if email.endswith('@polytechnique.org'): | |
267 | # First valid mail is something like <info_newsletter@polytechnique.org>, so we missed the real one | |
268 | break | |
269 | return email | |
270 | ||
271 | print('! Unknown mailer-daemon message, unable to find email address:') | |
272 | print('\n'.join(lines)) | |
273 | return None | |
274 | ||
58e64caf AA |
275 | #----------------------------------------------------------------------------# |
276 | ||
277 | class DirectBouncesFilter(MboxFilter): | |
278 | ||
279 | def initialize(self, mbox_file): | |
280 | self.seen = 0 | |
6208fd26 | 281 | self.bad_problems = 0 |
58e64caf AA |
282 | self.emails = [] |
283 | self.mbox_file = '%s.bounced' % mbox_file | |
284 | self.mbox = mailbox.mbox(self.mbox_file) | |
285 | self.mbox.clear() | |
286 | ||
287 | def process(self, message): | |
288 | if message['X-Spam-Flag'] is None: | |
289 | # During finalization, we will verifiy that all messages were processed | |
290 | self.seen += 1 | |
e0c82ac8 AA |
291 | # Special case: ignore mailman notifications for the mailing-list |
292 | # on which the NL is forwarded | |
6208fd26 NI |
293 | if message['From'] == 'newsletter-externes-bounces@polytechnique.org': |
294 | print('! Dropping a notification from mailman for newsletter-externes@polytechnique.org, this should be OK.') | |
e0c82ac8 AA |
295 | self.seen -= 1 |
296 | return True | |
58e64caf | 297 | # Additionnal checks, just to be sure |
e0c82ac8 | 298 | elif message['From'] != 'MAILER-DAEMON@polytechnique.org (Mail Delivery System)' \ |
58e64caf | 299 | or message['Subject'] != 'Undelivered Mail Returned to Sender': |
6208fd26 | 300 | print('! Not an usual direct bounce (From="%s", Subject="%s").' % (message['From'], message['Subject'])) |
e0c82ac8 AA |
301 | else: |
302 | email = findAddressInBounce(message) | |
303 | if email is not None: | |
304 | self.emails.append(email) | |
305 | self.mbox.add(message) | |
306 | return True | |
307 | else: | |
6208fd26 NI |
308 | print('! => No email found in direct bounce, this is really bad.') |
309 | self.bad_problems += 1 | |
58e64caf AA |
310 | return False |
311 | ||
312 | def finalize(self): | |
6208fd26 NI |
313 | print('Found %d messages with no X-Spam-Flag header.' % self.seen) |
314 | print('Found %d of them that are confirmed bounces.' % len(self.mbox)) | |
315 | print('They were saved in %s.' % self.mbox_file) | |
316 | if self.bad_problems: | |
317 | print('Found %d of them that are invalid.' % self.bad_problems) | |
318 | if self.seen != len(self.mbox) + self.bad_problems: | |
319 | print(' /!\ These numbers shoud be equal! We have a problem! /!\\') | |
320 | print('') | |
321 | print('Here is the list of email adresses for these bounces:') | |
322 | print('') | |
58e64caf | 323 | for email in self.emails: |
6208fd26 NI |
324 | print(email) |
325 | print('') | |
58e64caf AA |
326 | self.mbox.close() |
327 | ||
328 | #----------------------------------------------------------------------------# | |
329 | ||
330 | class SpamFilter(MboxFilter): | |
331 | ||
332 | def initialize(self, mbox_file): | |
333 | self.mbox_file = '%s.spam' % mbox_file | |
334 | self.mbox = mailbox.mbox(self.mbox_file) | |
335 | self.mbox.clear() | |
336 | ||
337 | def process(self, message): | |
e0c82ac8 AA |
338 | if message['X-Spam-Flag'] is not None \ |
339 | and message['X-Spam-Flag'].startswith('Yes, tests=bogofilter'): | |
58e64caf AA |
340 | self.mbox.add(message) |
341 | return True | |
342 | return False | |
343 | ||
344 | def finalize(self): | |
6208fd26 NI |
345 | print('Found %d spams. This is reliable.' % len(self.mbox)) |
346 | print('They were saved in %s.' % self.mbox_file) | |
347 | print('You might check the contents of this mbox.') | |
58e64caf AA |
348 | self.mbox.close() |
349 | ||
350 | #----------------------------------------------------------------------------# | |
351 | ||
352 | class UnsureFilter(MboxFilter): | |
353 | ||
354 | def initialize(self, mbox_file): | |
355 | self.mbox_file = '%s.unsure' % mbox_file | |
356 | self.mbox = mailbox.mbox(self.mbox_file) | |
357 | self.mbox.clear() | |
358 | ||
359 | def process(self, message): | |
e0c82ac8 AA |
360 | if message['X-Spam-Flag'] is not None \ |
361 | and message['X-Spam-Flag'].startswith('Unsure, tests=bogofilter'): | |
58e64caf AA |
362 | self.mbox.add(message) |
363 | return True | |
364 | return False | |
365 | ||
366 | def finalize(self): | |
6208fd26 NI |
367 | print('Found %d unclassified messages. Most of them should be spams.' % len(self.mbox)) |
368 | print('They were saved in %s.' % self.mbox_file) | |
369 | print('You must check the contents of this mbox and feed the antispam.') | |
58e64caf AA |
370 | self.mbox.close() |
371 | ||
372 | #----------------------------------------------------------------------------# | |
373 | ||
374 | class CheckNonSpamFilter(MboxFilter): | |
375 | ||
376 | def initialize(self, mbox_file): | |
377 | self.seen = 0 | |
378 | ||
379 | def process(self, message): | |
e0c82ac8 AA |
380 | if message['X-Spam-Flag'] is None \ |
381 | or not message['X-Spam-Flag'].startswith('No, tests=bogofilter'): | |
58e64caf AA |
382 | self.seen += 1 |
383 | return False | |
384 | ||
385 | def finalize(self): | |
386 | if self.seen > 0: | |
6208fd26 NI |
387 | print('Encountered %d messages that were neither spam, nor unsure, nor non-spams.' % self.seen) |
388 | print('Please investigate.') | |
58e64caf | 389 | else: |
6208fd26 | 390 | print('All messages were either spam, or unsure, or non-spams. Good.') |
58e64caf AA |
391 | |
392 | #----------------------------------------------------------------------------# | |
393 | ||
394 | class OutOfOfficeFilter(MboxFilter): | |
395 | ||
396 | def initialize(self, mbox_file): | |
397 | self.mbox_file = '%s.ooo' % mbox_file | |
398 | self.mbox = mailbox.mbox(self.mbox_file) | |
399 | self.mbox.clear() | |
400 | subject_re = [ | |
401 | r'^Absen(t|ce)', | |
6208fd26 | 402 | r'^(AUTO: )?Out of (the )?office', |
fc643049 | 403 | r'^Auto( ?): ', |
d0ce063e | 404 | r'^AutoRe( ?):', |
6208fd26 | 405 | r'^Automatic reply: ', |
aa6c6ed4 | 406 | r'automatique d\'absence', |
aa6c6ed4 | 407 | r'AutoReply', |
6208fd26 NI |
408 | r'(est|is) absent', |
409 | r'I am out of town', | |
410 | r'I am currently away', | |
fc643049 | 411 | r'(am|is) out of (the )?office', |
6208fd26 NI |
412 | r'Notification d\'absence', |
413 | r'R.{1,2}ponse automatique( :)?', # There may be encoding error of e acute | |
58e64caf | 414 | ] |
6208fd26 | 415 | self.subject_regexes = [re.compile(sre, re.I | re.U) for sre in subject_re] |
58e64caf AA |
416 | |
417 | def process(self, message): | |
418 | subject = findSubject(message) | |
419 | if subject is not None and any(regex.search(subject) for regex in self.subject_regexes): | |
420 | self.mbox.add(message) | |
421 | return True | |
fc643049 NI |
422 | |
423 | # Some systems reply with "Re: ". Be smart here! | |
424 | if subject is not None and subject.startswith('Re: '): | |
425 | # Delivered-To: Autoresponder | |
426 | if 'Autoresponder' in message.get_all('Delivered-To'): | |
427 | self.mbox.add(message) | |
428 | return True | |
429 | # Parse content if it is simple enough | |
430 | if message.get_content_type() == 'text/plain': | |
431 | firstline = message.get_payload().splitlines()[0].lower() | |
432 | if (' absent du bureau ' in firstline | |
433 | or ' away from my office ' in firstline): | |
434 | self.mbox.add(message) | |
435 | return True | |
436 | ||
58e64caf AA |
437 | return False |
438 | ||
439 | def finalize(self): | |
6208fd26 NI |
440 | print('Found %d "out of office". This is generally reliable.' % len(self.mbox)) |
441 | print('They were saved in %s.' % self.mbox_file) | |
442 | print('You may check the contents of this mbox.') | |
58e64caf AA |
443 | self.mbox.close() |
444 | ||
445 | #----------------------------------------------------------------------------# | |
446 | ||
447 | class DeliveryStatusNotificationFilter(MboxFilter): | |
448 | ||
449 | def initialize(self, mbox_file): | |
450 | self.emails = [] | |
451 | self.mbox_file = '%s.dsn' % mbox_file | |
452 | self.mbox = mailbox.mbox(self.mbox_file) | |
453 | self.mbox.clear() | |
6208fd26 NI |
454 | self.mbox_temp_file = '%s.dsn-temp' % mbox_file |
455 | self.mbox_temp = mailbox.mbox(self.mbox_temp_file) | |
456 | self.mbox_temp.clear() | |
58e64caf AA |
457 | |
458 | def process(self, message): | |
15f4834d NI |
459 | # Don't modify message variable for "self.mbox.add(message)" |
460 | report_message = message | |
461 | # Find real report inside attachment | |
462 | if message.get_content_type() == 'multipart/mixed': | |
463 | report_message = message.get_payload(0) | |
464 | ||
465 | # Process report if its type is correct | |
466 | if report_message.get_content_type() == 'multipart/report': | |
467 | email = findAddressInBounce(report_message) | |
58e64caf AA |
468 | if email is not None: |
469 | self.emails.append(email) | |
470 | self.mbox.add(message) | |
6208fd26 NI |
471 | else: |
472 | print("! => Moved to temporary DSN mailbox") | |
473 | self.mbox_temp.add(message) | |
15f4834d NI |
474 | return True |
475 | ||
476 | # Detect ill-formatted reports, sent as plain text email | |
4cfc54b4 NI |
477 | if 'MAILER-DAEMON@' in message['From'].upper() and report_message.get_content_type() == 'text/plain': |
478 | email = findAddressInPlainBounce(report_message) | |
15f4834d NI |
479 | if email is not None: |
480 | self.emails.append(email) | |
481 | self.mbox.add(message) | |
6208fd26 | 482 | return True |
58e64caf AA |
483 | return False |
484 | ||
485 | def finalize(self): | |
6208fd26 NI |
486 | print('Found %d delivery status notifications. This is generally reliable.' % len(self.mbox)) |
487 | print('They were saved in %s.' % self.mbox_file) | |
488 | print('') | |
489 | print('Here is the list of email adresses for these bounces:') | |
490 | print('') | |
58e64caf | 491 | for email in self.emails: |
6208fd26 NI |
492 | print(email) |
493 | print('') | |
58e64caf | 494 | self.mbox.close() |
6208fd26 NI |
495 | print('Found %d temporary and invalid delivery status notifications.' % len(self.mbox_temp)) |
496 | print('They were saved in %s.' % self.mbox_temp_file) | |
497 | self.mbox_temp.close() | |
58e64caf AA |
498 | |
499 | #----------------------------------------------------------------------------# | |
500 | ||
501 | class CatchAllFilter(MboxFilter): | |
502 | ||
503 | def initialize(self, mbox_file): | |
504 | self.mbox_file = '%s.catchall' % mbox_file | |
505 | self.mbox = mailbox.mbox(self.mbox_file) | |
506 | self.mbox.clear() | |
507 | ||
508 | def process(self, message): | |
509 | self.mbox.add(message) | |
510 | return True | |
511 | ||
512 | def finalize(self): | |
513 | if len(self.mbox) > 0: | |
6208fd26 NI |
514 | print('%d messages reached the catchall.' % len(self.mbox)) |
515 | print('They were saved in %s.' % self.mbox_file) | |
516 | print('You must process the contents of this mbox manually.') | |
58e64caf AA |
517 | self.mbox.close() |
518 | else: | |
6208fd26 | 519 | print('No messages reached the catchall. Nice.') |
58e64caf AA |
520 | self.mbox.close() |
521 | os.unlink(self.mbox_file) | |
522 | ||
523 | #----------------------------------------------------------------------------# | |
524 | ||
525 | if __name__ == '__main__': | |
526 | ||
527 | if len(sys.argv) != 2: | |
6208fd26 | 528 | print('Usage: %s mbox' % sys.argv[0]) |
58e64caf AA |
529 | sys.exit(1) |
530 | ||
531 | if not os.path.exists(sys.argv[1]): | |
6208fd26 | 532 | print('No such file: %s' % sys.argv[1]) |
58e64caf AA |
533 | sys.exit(1) |
534 | ||
535 | processor = MboxProcessor(sys.argv[1]) | |
536 | processor.run() |