mirror of
https://github.com/python/cpython.git
synced 2025-11-04 11:49:12 +00:00
351 lines
7.8 KiB
Python
Executable file
351 lines
7.8 KiB
Python
Executable file
"""mailerdaemon - classes to parse mailer-daemon messages"""
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import string
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import rfc822
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import calendar
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import regex
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import os
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import sys
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Unparseable = 'mailerdaemon.Unparseable'
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class ErrorMessage(rfc822.Message):
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def __init__(self, fp):
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rfc822.Message.__init__(self, fp)
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def is_warning(self):
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sub = self.getheader('Subject')
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if not sub:
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return 0
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sub = string.lower(sub)
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if sub[:12] == 'waiting mail': return 1
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if string.find(sub, 'warning') >= 0: return 1
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self.sub = sub
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return 0
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def get_errors(self):
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for p in EMPARSERS:
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self.rewindbody()
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try:
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return p(self.fp, self.sub)
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except Unparseable:
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pass
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raise Unparseable
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sendmail_pattern = regex.compile('[0-9][0-9][0-9] ')
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def emparse_sendmail(fp, sub):
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while 1:
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line = fp.readline()
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if not line:
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raise Unparseable
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line = line[:-1]
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# Check that we're not in the returned message yet
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if string.lower(line)[:5] == 'from:':
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raise Unparseable
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line = string.split(line)
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if len(line) > 3 and \
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((line[0] == '-----' and line[1] == 'Transcript') or
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(line[0] == '---' and line[1] == 'The' and
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line[2] == 'transcript') or
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(line[0] == 'While' and line[1] == 'talking' and line[2] == 'to')):
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# Yes, found it!
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break
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errors = []
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found_a_line = 0
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warnings = 0
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while 1:
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line = fp.readline()
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if not line:
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break
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line = line[:-1]
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if not line:
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continue
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if sendmail_pattern.match(line) == 4:
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# Yes, an error/warning line. Ignore 4, remember 5, stop on rest
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if line[0] == '5':
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errors.append(line)
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elif line[0] == '4':
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warnings = 1
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else:
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raise Unparseable
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line = string.split(line)
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if line and line[0][:3] == '---':
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break
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found_a_line = 1
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# special case for CWI sendmail
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if len(line) > 1 and line[1] == 'Undelivered':
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while 1:
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line = fp.readline()
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if not line:
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break
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line = string.strip(line)
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if not line:
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break
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errors.append(line + ': ' + sub)
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# Empty transcripts are ok, others without an error are not.
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if found_a_line and not (errors or warnings):
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raise Unparseable
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return errors
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def emparse_cts(fp, sub):
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while 1:
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line = fp.readline()
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if not line:
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raise Unparseable
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line = line[:-1]
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# Check that we're not in the returned message yet
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if string.lower(line)[:5] == 'from:':
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raise Unparseable
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line = string.split(line)
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if len(line) > 3 and line[0][:2] == '|-' and line[1] == 'Failed' \
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and line[2] == 'addresses':
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# Yes, found it!
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break
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errors = []
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while 1:
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line = fp.readline()
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if not line:
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break
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line = line[:-1]
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if not line:
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continue
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if line[:2] == '|-':
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break
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errors.append(line)
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return errors
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def emparse_aol(fp, sub):
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while 1:
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line = fp.readline()
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if not line:
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raise Unparseable
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line = line[:-1]
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if line:
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break
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exp = 'The mail you sent could not be delivered to:'
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if line[:len(exp)] != exp:
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raise Unparseable
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errors = []
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while 1:
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line = fp.readline()
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if sendmail_pattern.match(line) == 4:
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# Yes, an error/warning line. Ignore 4, remember 5, stop on rest
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if line[0] == '5':
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errors.append(line)
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elif line[0] != '4':
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raise Unparseable
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elif line == '\n':
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break
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else:
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raise Unparseable
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return errors
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def emparse_compuserve(fp, sub):
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while 1:
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line = fp.readline()
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if not line:
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raise Unparseable
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line = line[:-1]
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if line:
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break
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exp = 'Your message could not be delivered for the following reason:'
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if line[:len(exp)] != exp:
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raise Unparseable
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errors = []
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while 1:
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line = fp.readline()
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if not line: break
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if line[:3] == '---': break
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line = line[:-1]
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if not line: continue
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if line == 'Please resend your message at a later time.':
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continue
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line = 'Compuserve: ' + line
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errors.append(line)
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return errors
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prov_pattern = regex.compile('.* | \(.*\)')
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def emparse_providence(fp, sub):
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while 1:
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line = fp.readline()
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if not line:
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raise Unparseable
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line = line[:-1]
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# Check that we're not in the returned message yet
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if string.lower(line)[:5] == 'from:':
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raise Unparseable
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exp = 'The following errors occurred'
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if line[:len(exp)] == exp:
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break
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errors = []
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while 1:
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line = fp.readline()
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if not line:
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break
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line = line[:-1]
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if not line:
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continue
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if line[:4] == '----':
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break
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if prov_pattern.match(line) > 0:
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errors.append(prov_pattern.group(1))
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if not errors:
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raise Unparseable
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return errors
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def emparse_x400(fp, sub):
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exp = 'This report relates to your message:'
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while 1:
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line = fp.readline()
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if not line:
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raise Unparseable
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line = line[:-1]
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# Check that we're not in the returned message yet
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if string.lower(line)[:5] == 'from:':
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raise Unparseable
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if line[:len(exp)] == exp:
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break
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errors = []
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exp = 'Your message was not delivered to'
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while 1:
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line = fp.readline()
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if not line:
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break
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line = line[:-1]
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if not line:
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continue
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if line[:len(exp)] == exp:
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error = string.strip(line[len(exp):])
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sep = ': '
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while 1:
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line = fp.readline()
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if not line:
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break
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line = line[:-1]
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if not line:
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break
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if line[0] == ' ' and line[-1] != ':':
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error = error + sep + string.strip(line)
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sep = '; '
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errors.append(error)
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return errors
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raise Unparseable
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def emparse_passau(fp, sub):
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exp = 'Unable to deliver message because'
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while 1:
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line = fp.readline()
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if not line:
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raise Unparseable
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if string.lower(line)[:5] == 'from:':
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raise Unparseable
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if line[:len(exp)] == exp:
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break
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errors = []
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exp = 'Returned Text follows'
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while 1:
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line = fp.readline()
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if not line:
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raise Unparseable
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line = line[:-1]
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# Check that we're not in the returned message yet
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if string.lower(line)[:5] == 'from:':
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raise Unparseable
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if not line:
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continue
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if line[:len(exp)] == exp:
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return errors
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errors.append(string.strip(line))
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EMPARSERS = [emparse_sendmail, emparse_aol, emparse_cts, emparse_compuserve,
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emparse_providence, emparse_x400, emparse_passau]
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def sort_numeric(a, b):
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a = string.atoi(a)
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b = string.atoi(b)
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if a < b: return -1
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elif a > b: return 1
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else: return 0
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def parsedir(dir, modify):
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os.chdir(dir)
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pat = regex.compile('^[0-9]*$')
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errordict = {}
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errorfirst = {}
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errorlast = {}
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nok = nwarn = nbad = 0
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# find all numeric file names and sort them
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files = filter(lambda fn, pat=pat: pat.match(fn) > 0, os.listdir('.'))
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files.sort(sort_numeric)
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for fn in files:
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# Lets try to parse the file.
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fp = open(fn)
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m = ErrorMessage(fp)
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sender = m.getaddr('From')
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print '%s\t%-40s\t'%(fn, sender[1]),
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if m.is_warning():
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print 'warning only'
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nwarn = nwarn + 1
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if modify:
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os.unlink(fn)
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continue
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try:
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errors = m.get_errors()
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except Unparseable:
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print '** Not parseable'
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nbad = nbad + 1
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continue
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print len(errors), 'errors'
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# Remember them
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for e in errors:
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try:
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mm, dd = m.getdate('date')[1:1+2]
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date = '%s %02d' % (calendar.month_abbr[mm], dd)
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except:
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date = '??????'
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if not errordict.has_key(e):
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errordict[e] = 1
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errorfirst[e] = '%s (%s)' % (fn, date)
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else:
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errordict[e] = errordict[e] + 1
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errorlast[e] = '%s (%s)' % (fn, date)
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nok = nok + 1
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if modify:
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os.unlink(fn)
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print '--------------'
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print nok, 'files parsed,',nwarn,'files warning-only,',
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print nbad,'files unparseable'
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print '--------------'
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for e in errordict.keys():
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print errordict[e], errorfirst[e], '-', errorlast[e], '\t', e
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def main():
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modify = 0
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if len(sys.argv) > 1 and sys.argv[1] == '-d':
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modify = 1
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del sys.argv[1]
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if len(sys.argv) > 1:
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for folder in sys.argv[1:]:
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parsedir(folder, modify)
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else:
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parsedir('/ufs/jack/Mail/errorsinbox', modify)
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if __name__ == '__main__' or sys.argv[0] == __name__:
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main()
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