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annotate roundup/scripts/roundup_mailgw.py @ 1092:e5826025eeb7

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more Log removal
author Richard Jones <richard@users.sourceforge.net>
date Tue, 10 Sep 2002 01:07:06 +0000
parents cdcee6721841
children 1c1ccfc9673d
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1 # Copyright (c) 2001 Bizar Software Pty Ltd (http://www.bizarsoftware.com.au/)
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2 # This module is free software, and you may redistribute it and/or modify
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3 # under the same terms as Python, so long as this copyright message and
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4 # disclaimer are retained in their original form.
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5 #
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6 # IN NO EVENT SHALL BIZAR SOFTWARE PTY LTD BE LIABLE TO ANY PARTY FOR
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7 # DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING
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8 # OUT OF THE USE OF THIS CODE, EVEN IF THE AUTHOR HAS BEEN ADVISED OF THE
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9 # POSSIBILITY OF SUCH DAMAGE.
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10 #
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11 # BIZAR SOFTWARE PTY LTD SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
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12 # BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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13 # FOR A PARTICULAR PURPOSE. THE CODE PROVIDED HEREUNDER IS ON AN "AS IS"
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14 # BASIS, AND THERE IS NO OBLIGATION WHATSOEVER TO PROVIDE MAINTENANCE,
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15 # SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
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16 #
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17 # $Id: roundup_mailgw.py,v 1.4 2002-09-10 01:07:06 richard Exp $
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18
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19 # python version check
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20 from roundup import version_check
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21
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22 import sys, os, re, cStringIO
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23
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24 from roundup.mailgw import Message
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25 from roundup.i18n import _
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26
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27 def do_pipe(handler):
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28 '''Read a message from standard input and pass it to the mail handler.
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29 '''
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30 handler.main(sys.stdin)
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31 return 0
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32
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33 def do_mailbox(handler, filename):
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34 '''Read a series of messages from the specified unix mailbox file and
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35 pass each to the mail handler.
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36 '''
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37 # open the spool file and lock it
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38 import fcntl, FCNTL
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39 f = open(filename, 'r+')
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40 fcntl.flock(f.fileno(), FCNTL.LOCK_EX)
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41
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42 # handle and clear the mailbox
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43 try:
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44 from mailbox import UnixMailbox
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45 mailbox = UnixMailbox(f, factory=Message)
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46 # grab one message
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47 message = mailbox.next()
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48 while message:
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49 # call the instance mail handler
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50 handler.handle_Message(message)
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51 message = mailbox.next()
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52 # nuke the file contents
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53 os.ftruncate(f.fileno(), 0)
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54 except:
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55 import traceback
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56 traceback.print_exc()
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57 return 1
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58 fcntl.flock(f.fileno(), FCNTL.LOCK_UN)
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59 return 0
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60
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61 def do_pop(handler, server, user='', password=''):
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62 '''Read a series of messages from the specified POP server.
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63 '''
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64 import getpass, poplib, socket
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65 try:
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66 if not user:
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67 user = raw_input(_('User: '))
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68 if not password:
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69 password = getpass.getpass()
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70 except (KeyboardInterrupt, EOFError):
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71 # Ctrl C or D maybe also Ctrl Z under Windows.
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72 print "\nAborted by user."
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73 return 1
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74
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75 # open a connection to the server and retrieve all messages
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76 try:
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77 server = poplib.POP3(server)
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78 except socket.error, message:
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79 print "POP server error:", message
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80 return 1
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81 server.user(user)
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82 server.pass_(password)
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83 numMessages = len(server.list()[1])
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84 for i in range(1, numMessages+1):
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85 # retr: returns
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86 # [ pop response e.g. '+OK 459 octets',
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87 # [ array of message lines ],
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88 # number of octets ]
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89 lines = server.retr(i)[1]
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90 s = cStringIO.StringIO('\n'.join(lines))
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91 s.seek(0)
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92 handler.handle_Message(Message(s))
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93 # delete the message
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94 server.dele(i)
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95
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96 # quit the server to commit changes.
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97 server.quit()
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98 return 0
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99
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100 def usage(args, message=None):
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101 if message is not None:
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102 print message
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103 print _('Usage: %(program)s <instance home> [source spec]')%{'program': args[0]}
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104 print _('''
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105 The roundup mail gateway may be called in one of two ways:
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106 . with an instance home as the only argument,
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107 . with both an instance home and a mail spool file, or
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108 . with both an instance home and a pop server account.
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109
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110 PIPE:
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111 In the first case, the mail gateway reads a single message from the
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112 standard input and submits the message to the roundup.mailgw module.
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113
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114 UNIX mailbox:
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115 In the second case, the gateway reads all messages from the mail spool
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116 file and submits each in turn to the roundup.mailgw module. The file is
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117 emptied once all messages have been successfully handled. The file is
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118 specified as:
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119 mailbox /path/to/mailbox
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120
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121 POP:
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122 In the third case, the gateway reads all messages from the POP server
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123 specified and submits each in turn to the roundup.mailgw module. The
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124 server is specified as:
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125 pop username:password@server
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126 The username and password may be omitted:
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127 pop username@server
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128 pop server
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129 are both valid. The username and/or password will be prompted for if
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130 not supplied on the command-line.
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131 ''')
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132 return 1
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133
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134 def main(args):
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135 '''Handle the arguments to the program and initialise environment.
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136 '''
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137 # figure the instance home
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138 if len(args) > 1:
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139 instance_home = args[1]
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140 else:
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141 instance_home = os.environ.get('ROUNDUP_INSTANCE', '')
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142 if not instance_home:
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143 return usage(args)
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144
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145 # get the instance
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146 import roundup.instance
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147 instance = roundup.instance.open(instance_home)
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148
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149 # get a mail handler
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150 db = instance.open('admin')
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151 handler = instance.MailGW(instance, db)
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152
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153 # if there's no more arguments, read a single message from stdin
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154 if len(args) == 2:
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155 return do_pipe(handler)
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156
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157 # otherwise, figure what sort of mail source to handle
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158 if len(args) < 4:
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159 return usage(args, _('Error: not enough source specification information'))
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160 source, specification = args[2:]
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161 if source == 'mailbox':
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162 return do_mailbox(handler, specification)
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163 elif source == 'pop':
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164 m = re.match(r'((?P<user>[^:]+)(:(?P<pass>.+))?@)?(?P<server>.+)',
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165 specification)
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166 if m:
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167 return do_pop(handler, m.group('server'), m.group('user'),
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168 m.group('pass'))
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169 return usage(args, _('Error: pop specification not valid'))
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170
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171 return usage(args, _('Error: The source must be either "mailbox" or "pop"'))
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172
593
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173 def run():
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174 sys.exit(main(sys.argv))
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175
592
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176 # call main
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177 if __name__ == '__main__':
593
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178 run()
592
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179
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180 # vim: set filetype=python ts=4 sw=4 et si
Roundup Issue Tracker: http://roundup-tracker.org/