[5] | 1 | #!/usr/bin/python |
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| 2 | # Copyright (C) 2002 |
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| 3 | # |
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| 4 | # This file is part of the email2trac utils |
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| 5 | # |
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| 6 | # This program is free software; you can redistribute it and/or modify it |
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| 7 | # under the terms of the GNU General Public License as published by the |
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| 8 | # Free Software Foundation; either version 2, or (at your option) any |
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| 9 | # later version. |
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| 10 | # |
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| 11 | # This program is distributed in the hope that it will be useful, |
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| 12 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 13 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 14 | # GNU General Public License for more details. |
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| 15 | # |
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| 16 | # You should have received a copy of the GNU General Public License |
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| 17 | # along with this program; if not, write to the Free Software |
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| 18 | # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA |
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| 19 | # |
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| 20 | """ |
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| 21 | emailfilter.py -- Email tickets to Trac. |
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| 22 | |
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| 23 | A simple MTA filter to create Trac tickets from inbound emails. |
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| 24 | |
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| 25 | Copyright 2005, Daniel Lundin <daniel@edgewall.com> |
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| 26 | Copyright 2005, Edgewall Software |
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| 27 | |
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| 28 | Changed By: Bas van der Vlies <basv@sara.nl> |
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| 29 | Date : 13 September 2005 |
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| 30 | Descr. : Added config file and command line options, spam level |
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| 31 | detection, reply address and mailto option. Unicode support |
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| 32 | |
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| 33 | Changed By: Walter de Jong <walter@sara.nl> |
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| 34 | Descr. : multipart-message code and trac attachments |
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| 35 | |
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| 36 | |
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| 37 | The scripts reads emails from stdin and inserts directly into a Trac database. |
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| 38 | MIME headers are mapped as follows: |
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| 39 | |
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| 40 | * From: => Reporter |
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| 41 | => CC (Optional via reply_address option) |
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| 42 | * Subject: => Summary |
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| 43 | * Body => Description |
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| 44 | * Component => Can be set to SPAM via spam_level option |
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| 45 | |
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| 46 | How to use |
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| 47 | ---------- |
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| 48 | * Create an config file: |
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| 49 | [DEFAULT] # REQUIRED |
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| 50 | project: /data/trac/test # REQUIRED |
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| 51 | debug: 1 # OPTIONAL, if set print some DEBUG info |
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| 52 | spam_level: 4 # OPTIONAL, if set check for SPAM mail |
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| 53 | reply_address: 1 # OPTIONAL, if set then fill in ticket CC field |
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| 54 | umask: 022 # OPTIONAL, if set then use this umask for |
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| 55 | creation of the attachments |
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| 56 | mailto_link: 1 # OPTIONAL, if set then [mailto:<CC>] in |
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| 57 | description |
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| 58 | |
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| 59 | * Configure script as a mail (pipe) filter with your MTA |
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| 60 | typically, this involves adding a line like this to /etc/aliases: |
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| 61 | somename: | /usr/sara/sbin/run_email2trac |
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| 62 | |
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| 63 | Check your MTA's documentation for specifics. |
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| 64 | |
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| 65 | * default config file is : /etc/email2trac.conf |
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| 66 | |
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| 67 | SVN Info: |
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| 68 | $Id: email2trac.py 1523 2005-11-01 09:27:51Z bas $ |
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| 69 | """ |
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| 70 | |
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| 71 | import os |
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| 72 | import sys |
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| 73 | import string |
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| 74 | import getopt |
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| 75 | import stat |
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| 76 | import time |
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| 77 | import email |
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| 78 | import re |
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| 79 | import urllib |
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| 80 | import unicodedata |
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| 81 | import ConfigParser |
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| 82 | from email import Header |
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| 83 | from stat import * |
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| 84 | import mimetypes |
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| 85 | |
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| 86 | trac_default_version = 0.9 |
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| 87 | |
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| 88 | class TicketEmailParser(object): |
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| 89 | env = None |
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| 90 | comment = '> ' |
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| 91 | |
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| 92 | def __init__(self, env, parameters, version): |
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| 93 | self.env = env |
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| 94 | |
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| 95 | # Database connection |
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| 96 | # |
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| 97 | self.db = None |
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| 98 | |
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| 99 | self.VERSION = version |
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| 100 | if self.VERSION > 0.8: |
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| 101 | self.new_ticket = ticket.Ticket |
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| 102 | self.get_config = self.env.config.get |
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| 103 | else: |
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| 104 | self.new_ticket = Ticket.Ticket |
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| 105 | self.get_config = self.env.get_config |
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| 106 | |
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| 107 | if parameters.has_key('umask'): |
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| 108 | os.umask(int(parameters['umask'], 8)) |
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| 109 | |
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| 110 | if parameters.has_key('debug'): |
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| 111 | self.DEBUG = int(parameters['debug']) |
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| 112 | else: |
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| 113 | self.DEBUG = 0 |
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| 114 | |
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| 115 | if parameters.has_key('reply_address'): |
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| 116 | self.CC = int(parameters['reply_address']) |
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| 117 | else: |
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| 118 | self.CC = 0 |
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| 119 | |
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| 120 | if parameters.has_key('mailto_link'): |
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| 121 | self.MAILTO = int(parameters['mailto_link']) |
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| 122 | else: |
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| 123 | self.MAILTO = 0 |
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| 124 | |
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| 125 | if parameters.has_key('spam_level'): |
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| 126 | self.SPAM_LEVEL = int(parameters['spam_level']) |
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| 127 | else: |
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| 128 | self.SPAM_LEVEL = 0 |
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| 129 | |
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| 130 | if parameters.has_key('email_comment'): |
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| 131 | self.comment = str(parameters['email_comment']) |
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| 132 | |
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| 133 | if parameters.has_key('email_header'): |
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| 134 | self.EMAIL_HEADER = int(parameters['email_header']) |
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| 135 | else: |
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| 136 | self.EMAIL_HEADER = 0 |
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| 137 | |
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| 138 | |
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| 139 | # X-Spam-Score: *** (3.255) BAYES_50,DNS_FROM_AHBL_RHSBL,HTML_ |
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| 140 | # Note if Spam_level then '*' are included |
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| 141 | def spam(self, message): |
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| 142 | if message.has_key('X-Spam-Score'): |
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| 143 | spam_l = string.split(message['X-Spam-Score']) |
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| 144 | number = spam_l[0].count('*') |
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| 145 | |
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| 146 | if number >= self.SPAM_LEVEL: |
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| 147 | return number |
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| 148 | |
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| 149 | return 0 |
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| 150 | |
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| 151 | def to_unicode(self, str): |
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| 152 | """ |
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| 153 | Email has 7 bit ASCII code, convert it to unicode with the charset |
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| 154 | that is encoded in 7-bit ASCII code and encode it as utf-8 so TRAC |
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| 155 | understands it. |
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| 156 | """ |
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| 157 | results = Header.decode_header(str) |
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| 158 | str = None |
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| 159 | for text,format in results: |
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| 160 | if format: |
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| 161 | try: |
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| 162 | temp = unicode(text, format) |
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| 163 | except UnicodeError: |
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| 164 | # This always works |
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| 165 | # |
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| 166 | temp = unicode(text, 'iso-8859-15') |
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| 167 | temp = temp.encode('utf-8') |
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| 168 | else: |
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| 169 | temp = string.strip(text) |
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| 170 | |
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| 171 | if str: |
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| 172 | str = '%s %s' %(str, temp) |
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| 173 | else: |
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| 174 | str = temp |
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| 175 | |
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| 176 | return str |
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| 177 | |
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| 178 | def debug_attachments(self, message): |
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| 179 | n = 0 |
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| 180 | for part in message.walk(): |
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| 181 | if part.get_content_maintype() == 'multipart': # multipart/* is just a container |
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| 182 | print 'TD: multipart container' |
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| 183 | continue |
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| 184 | |
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| 185 | n = n + 1 |
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| 186 | print 'TD: part%d: Content-Type: %s' % (n, part.get_content_type()) |
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| 187 | print 'TD: part%d: filename: %s' % (n, part.get_filename()) |
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| 188 | |
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| 189 | if part.is_multipart(): |
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| 190 | print 'TD: this part is multipart' |
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| 191 | payload = part.get_payload(decode=1) |
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| 192 | print 'TD: payload:', payload |
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| 193 | else: |
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| 194 | print 'TD: this part is not multipart' |
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| 195 | |
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| 196 | part_file = '/var/tmp/part%d' % n |
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| 197 | print 'TD: writing part%d (%s)' % (n,part_file) |
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| 198 | fx = open(part_file, 'wb') |
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| 199 | text = part.get_payload(decode=1) |
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| 200 | if not text: |
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| 201 | text = '(None)' |
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| 202 | fx.write(text) |
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| 203 | fx.close() |
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| 204 | try: |
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| 205 | os.chmod(part_file,S_IRWXU|S_IRWXG|S_IRWXO) |
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| 206 | except OSError: |
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| 207 | pass |
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| 208 | |
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| 209 | def email_header_txt(self, m): |
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| 210 | # if not m['Subject']: |
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| 211 | # subject = '(geen subject)' |
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| 212 | # else: |
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| 213 | # subject = self.to_unicode(m['Subject']) |
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| 214 | # |
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| 215 | # head = "'''Subject:''' %s [[BR]]" % subject |
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| 216 | # if m['From'] and len(m['From']) > 0: |
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| 217 | # head = "%s'''From:''' %s [[BR]]" % (head, m['From']) |
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| 218 | # if m['Date'] and len(m['Date']) > 0: |
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| 219 | # head = "%s'''Date:''' %s [[BR]]" %(head, m['Date']) |
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| 220 | |
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| 221 | str = '' |
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| 222 | if m['To'] and len(m['To']) > 0 and m['To'] != 'hic@sara.nl': |
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| 223 | str = "'''To:''' %s [[BR]]" %(m['To']) |
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| 224 | if m['Cc'] and len(m['Cc']) > 0: |
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| 225 | str = "%s'''Cc:''' %s [[BR]]" % (str, m['Cc']) |
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| 226 | |
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| 227 | return str |
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| 228 | |
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| 229 | def parse(self, fp): |
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| 230 | msg = email.message_from_file(fp) |
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| 231 | if not msg: |
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| 232 | return |
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| 233 | |
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| 234 | if self.DEBUG > 1: # save the entire e-mail message text |
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| 235 | msg_file = '/var/tmp/msg.txt' |
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| 236 | print 'TD: saving email to %s' % msg_file |
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| 237 | fx = open(msg_file, 'wb') |
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| 238 | fx.write('%s' % msg) |
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| 239 | fx.close() |
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| 240 | try: |
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| 241 | os.chmod(msg_file,S_IRWXU|S_IRWXG|S_IRWXO) |
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| 242 | except OSError: |
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| 243 | pass |
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| 244 | |
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| 245 | self.db = self.env.get_db_cnx() |
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| 246 | tkt = self.new_ticket(self.env) |
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| 247 | tkt['status'] = 'new' |
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| 248 | |
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| 249 | # Some defaults |
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| 250 | # |
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| 251 | tkt['milestone'] = self.get_config('ticket', 'default_milestone') |
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| 252 | tkt['priority'] = self.get_config('ticket', 'default_priority') |
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| 253 | tkt['severity'] = self.get_config('ticket', 'default_severity') |
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| 254 | tkt['version'] = self.get_config('ticket', 'default_version') |
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| 255 | |
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| 256 | if not msg['Subject']: |
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| 257 | tkt['summary'] = '(geen subject)' |
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| 258 | else: |
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| 259 | tkt['summary'] = self.to_unicode(msg['Subject']) |
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| 260 | |
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| 261 | if self.SPAM_LEVEL and self.spam(msg): |
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| 262 | print 'This message is a SPAM. Automatic ticket insertion refused (SPAM level > %d' % self.SPAM_LEVEL |
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| 263 | sys.exit(1) |
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| 264 | |
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| 265 | if settings.has_key('component'): |
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| 266 | tkt['component'] = settings['component'] |
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| 267 | else: |
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| 268 | tkt['component'] = self.get_config('ticket', 'default_component') |
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| 269 | |
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| 270 | # Get default owner for component |
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| 271 | # |
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| 272 | cursor = self.db.cursor() |
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| 273 | sql = 'SELECT owner FROM component WHERE name=\'%s\'' % tkt['component'] |
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| 274 | cursor.execute(sql) |
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| 275 | tkt['owner'] = cursor.fetchone()[0] |
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| 276 | |
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| 277 | from_str = self.to_unicode(msg['from']) |
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| 278 | tkt['reporter'] = from_str |
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| 279 | if self.CC: |
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| 280 | tkt['cc'] = from_str |
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| 281 | |
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| 282 | # produce e-mail like header |
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| 283 | head = '' |
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| 284 | if self.EMAIL_HEADER > 0: |
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| 285 | head = self.email_header_txt(msg) |
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| 286 | |
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| 287 | if self.DEBUG > 0: |
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| 288 | self.debug_attachments(msg) |
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| 289 | |
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| 290 | # |
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| 291 | # put the message text in the ticket description |
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| 292 | # message text can be plain text or html or something else |
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| 293 | # |
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| 294 | has_description = 0 |
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| 295 | for part in msg.walk(): |
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| 296 | if part.get_content_maintype() == 'multipart': # 'multipart/*' is a container for multipart messages |
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| 297 | continue |
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| 298 | |
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| 299 | if part.get_content_type() == 'text/plain': |
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| 300 | body_text = part.get_payload(decode=1) # try to decode |
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| 301 | if not body_text: # decode failed |
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| 302 | body_text = part.get_payload(decode=0) # do not decode |
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| 303 | |
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| 304 | tkt['description'] = '\n{{{\n\n%s\n}}}\n' % body_text |
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| 305 | |
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| 306 | elif part.get_content_type() == 'text/html': |
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| 307 | tkt['description'] = '%s\n\n(see attachment for HTML mail message)\n' % head |
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| 308 | body_text = tkt['description'] |
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| 309 | |
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| 310 | else: |
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| 311 | tkt['description'] = '%s\n\n(see attachment for message)\n' % head |
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| 312 | body_text = tkt['description'] |
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| 313 | |
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| 314 | has_description = 1 |
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| 315 | break # we have the description, so break |
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| 316 | |
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| 317 | if not has_description: |
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| 318 | tkt['description'] = '%s\n\n(no plain text message, see attachments)' % head |
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| 319 | has_description = 1 |
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| 320 | |
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| 321 | author, email_addr = email.Utils.parseaddr(msg['from']) |
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| 322 | if self.MAILTO: |
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| 323 | mailto = self.html_mailto_link(author, email_addr, self.to_unicode(msg['subject']), body_text) |
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| 324 | tkt['description'] = '%s\n%s %s' %(head, mailto, tkt['description']) |
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| 325 | |
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| 326 | if self.VERSION > 0.8: |
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| 327 | tkt['id'] = tkt.insert() |
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| 328 | else: |
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| 329 | tkt['id'] = tkt.insert(self.db) |
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| 330 | |
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| 331 | # |
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| 332 | # Just how to show to update description |
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| 333 | # |
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| 334 | #tkt['description'] = '\n{{{\n\n Bas is op nieuw bezig\n\n }}}\n' |
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| 335 | #tkt.save_changes(self.db, author, "Lekker bezig") |
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| 336 | # |
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| 337 | self.attachments(msg, tkt, author) |
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| 338 | |
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| 339 | |
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| 340 | def mail_line(self, str): |
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| 341 | return '%s %s' % (self.comment, str) |
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| 342 | |
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| 343 | |
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| 344 | def html_mailto_link(self, author, mail_addr, subject, body): |
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| 345 | if not author: |
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| 346 | author = mail_addr |
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| 347 | else: |
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| 348 | author = self.to_unicode(author) |
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| 349 | |
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| 350 | # Must find a fix |
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| 351 | # |
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| 352 | #arr = string.split(body, '\n') |
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| 353 | #arr = map(self.mail_line, arr) |
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| 354 | |
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| 355 | #body = string.join(arr, '\n') |
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| 356 | #body = '%s wrote:\n%s' %(author, body) |
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| 357 | |
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| 358 | # Obsolete for reference |
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| 359 | # |
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| 360 | #body = self.to_unicode(body) |
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| 361 | #body = urllib.quote(body) |
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| 362 | #body = Header.encode(body) |
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| 363 | # |
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| 364 | |
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| 365 | # Temporary fix |
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| 366 | body = '> Type your reply' |
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| 367 | str = 'mailto:%s?subject=%s&body=%s' % (urllib.quote(mail_addr), urllib.quote('Re: %s' % subject), urllib.quote(body)) |
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| 368 | str = '\n{{{\n#!html\n<a href="%s">Reply to: %s</a>\n}}}\n' %(str, author) |
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| 369 | |
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| 370 | return str |
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| 371 | |
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| 372 | def attachments(self, message, ticket, user): |
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| 373 | '''save any attachments as file in the ticket's directory''' |
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| 374 | |
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| 375 | count = 0 |
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| 376 | first = 0 |
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| 377 | for part in message.walk(): |
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| 378 | if part.get_content_maintype() == 'multipart': # multipart/* is just a container |
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| 379 | continue |
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| 380 | |
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| 381 | if not first: # first content is the message |
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| 382 | first = 1 |
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| 383 | if part.get_content_type() == 'text/plain': # if first is text, is was already put in the description |
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| 384 | continue |
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| 385 | |
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| 386 | filename = part.get_filename() |
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| 387 | if not filename: |
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| 388 | count = count + 1 |
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| 389 | filename = 'part%04d' % count |
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| 390 | |
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| 391 | ext = mimetypes.guess_extension(part.get_type()) |
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| 392 | if not ext: |
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| 393 | ext = '.bin' |
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| 394 | |
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| 395 | filename = '%s%s' % (filename, ext) |
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| 396 | else: |
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| 397 | filename = self.to_unicode(filename) |
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| 398 | |
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| 399 | if '/' in filename: |
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| 400 | filename = os.path.basename(filename) |
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| 401 | |
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| 402 | url_filename = urllib.quote(filename) |
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| 403 | |
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| 404 | if self.VERSION > 0.8: |
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| 405 | tmpfile = '/tmp/email2trac-ticket%sattachment' % str(ticket['id']) |
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| 406 | else: |
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| 407 | dir = os.path.join(self.env.get_attachments_dir(), 'ticket', |
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| 408 | urllib.quote(str(ticket['id']))) |
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| 409 | if not os.path.exists(dir): |
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| 410 | mkdir_p(dir, 0755) |
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| 411 | |
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| 412 | tmpfile = os.path.join(dir, url_filename) |
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| 413 | |
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| 414 | f = open(tmpfile, 'wb') |
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| 415 | text = part.get_payload(decode=1) |
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| 416 | if not text: |
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| 417 | text = '(None)' |
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| 418 | f.write(text) |
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| 419 | |
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| 420 | # get the filesize |
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| 421 | # |
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| 422 | stats = os.lstat(tmpfile) |
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| 423 | filesize = stats[stat.ST_SIZE] |
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| 424 | |
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| 425 | # Insert the attachment it differs for the different TRAC versions |
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| 426 | # |
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| 427 | if self.VERSION > 0.8: |
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| 428 | att = attachment.Attachment(self.env,'ticket',ticket['id']) |
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| 429 | att.insert(url_filename,f,filesize) |
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| 430 | f.close() |
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| 431 | else: |
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| 432 | cursor = self.db.cursor() |
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| 433 | cursor.execute('INSERT INTO attachment VALUES("%s","%s","%s",%d,%d,"%s","%s","%s")' |
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| 434 | %('ticket', urllib.quote(str(ticket['id'])), filename + '?format=raw', filesize, |
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| 435 | int(time.time()),'', user, 'e-mail') ) |
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| 436 | self.db.commit() |
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| 437 | |
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| 438 | |
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| 439 | def mkdir_p(dir, mode): |
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| 440 | '''do a mkdir -p''' |
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| 441 | |
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| 442 | arr = string.split(dir, '/') |
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| 443 | path = '' |
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| 444 | for part in arr: |
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| 445 | path = '%s/%s' % (path, part) |
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| 446 | try: |
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| 447 | stats = os.stat(path) |
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| 448 | except OSError: |
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| 449 | os.mkdir(path, mode) |
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| 450 | |
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| 451 | |
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| 452 | def ReadConfig(file): |
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| 453 | """ |
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| 454 | Parse the config file |
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| 455 | """ |
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| 456 | |
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| 457 | if not os.path.isfile(file): |
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| 458 | print 'File %s does not exists' %file |
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| 459 | sys.exit(1) |
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| 460 | |
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| 461 | config = ConfigParser.ConfigParser() |
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| 462 | |
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| 463 | try: |
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| 464 | config.read(file) |
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| 465 | except ConfigParser.MissingSectionHeaderError,detail: |
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| 466 | print detail |
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| 467 | sys.exit(1) |
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| 468 | |
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| 469 | defaults = config.defaults() |
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| 470 | if not defaults.has_key('project') and not defaults.has_key('project_root'): |
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| 471 | print 'You have to define the location of your trac project' |
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| 472 | print 'or the root of your projects, eg:' |
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| 473 | print '\t project: /var/trac/<projectname>' |
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| 474 | print '\t project_root: /var/trac' |
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| 475 | sys.exit(1) |
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| 476 | |
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| 477 | return defaults |
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| 478 | |
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| 479 | |
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| 480 | if __name__ == '__main__': |
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| 481 | # Default config file |
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| 482 | # |
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| 483 | configfile = '/etc/email2trac.conf' |
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| 484 | project = '' |
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| 485 | component = '' |
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| 486 | |
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| 487 | try: |
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| 488 | opts, args = getopt.getopt(sys.argv[1:], 'chf:p:', ['component=','help', 'file=', 'project=']) |
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| 489 | except getopt.error,detail: |
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| 490 | print __doc__ |
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| 491 | print detail |
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| 492 | sys.exit(1) |
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| 493 | |
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| 494 | for opt,value in opts: |
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| 495 | if opt in [ '-h', '--help']: |
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| 496 | print __doc__ |
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| 497 | sys.exit(0) |
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| 498 | elif opt in ['-c', '--component']: |
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| 499 | component = value |
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| 500 | elif opt in ['-f', '--file']: |
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| 501 | configfile = value |
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| 502 | elif opt in ['-p', '--project']: |
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| 503 | project = value |
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| 504 | |
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| 505 | settings = ReadConfig(configfile) |
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| 506 | |
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| 507 | if not settings.has_key('project') and not project: |
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| 508 | print 'You must specify a project either in configuration file' |
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| 509 | print 'or with option --project' |
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| 510 | sys.exit(1) |
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| 511 | |
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| 512 | if project: |
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| 513 | if settings.has_key('project_root') : |
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| 514 | settings['project'] = os.path.join(settings['project_root'], project) |
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| 515 | else: |
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| 516 | print 'You must specify a project root in configuration file' |
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| 517 | print 'in order to use option --project' |
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| 518 | sys.exit(1) |
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| 519 | else: |
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| 520 | if not re.search("/",settings['project']): |
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| 521 | if settings.has_key('project_root') : |
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| 522 | settings['project'] = os.path.join(settings['project_root'], settings['project']) |
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| 523 | else: |
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| 524 | print 'You must specify a project root in configuration file' |
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| 525 | print 'or specify the project full path' |
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| 526 | sys.exit(1) |
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| 527 | |
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| 528 | if component: |
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| 529 | settings['component'] = component |
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| 530 | |
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| 531 | if settings.has_key('trac_version'): |
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| 532 | version = float(settings['trac_version']) |
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| 533 | else: |
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| 534 | version = trac_default_version |
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| 535 | |
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| 536 | if version > 0.8: |
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| 537 | from trac import attachment, config, env, ticket |
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| 538 | env = env.Environment(settings['project'], create=0) |
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| 539 | ticket_mod = ticket |
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| 540 | else: |
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| 541 | from trac import Environment, Ticket |
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| 542 | env = Environment.Environment(settings['project'], create=0) |
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| 543 | ticket_mod = Ticket |
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| 544 | |
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| 545 | tktparser = TicketEmailParser(env, settings, version) |
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| 546 | tktparser.parse(sys.stdin) |
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| 547 | |
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| 548 | # EOB |
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