annotate roundup/scripts/roundup_mailgw.py @ 6238:6834bb5473da

Summary: Constrain format of classname and document Define the format of a valid classname. Updated design doc, function doc and glossary to document format. Error message for case where we have a redefinition of a classname now says why ValueError is raised since we are raising ValueError for incorrect classname format as well. Tests for all cases including verification of cause for ValueError exceptions.
author John Rouillard <rouilj@ieee.org>
date Tue, 28 Jul 2020 06:24:39 -0400
parents c7a9f9c1801d
children 3359dc1dabb0
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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 """Command-line script stub that calls the roundup.mailgw.
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18 """
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19 from __future__ import print_function
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20 __docformat__ = 'restructuredtext'
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21
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22
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23 # --- patch sys.path to make sure 'import roundup' finds correct version
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24 import sys
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25 import os.path as osp
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26
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27 thisdir = osp.dirname(osp.abspath(__file__))
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28 rootdir = osp.dirname(osp.dirname(thisdir))
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29 if (osp.exists(thisdir + '/__init__.py') and
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30 osp.exists(rootdir + '/roundup/__init__.py')):
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31 # the script is located inside roundup source code
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32 sys.path.insert(0, rootdir)
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33 # --/
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34
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35
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36 # python version check
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37 from roundup import version_check
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38 from roundup import __version__ as roundup_version
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39
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40 import sys, os, re, getopt, socket, netrc
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41
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42 from roundup import mailgw
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43 from roundup.i18n import _
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44
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45
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46 def usage(args, message=None):
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47 if message is not None:
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48 print(message)
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49 print(_(
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50 """Usage: %(program)s [-v] [-c class] [[-C class] -S field=value]* [instance home] [mail source [specification]]
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51
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52 Options:
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53 -v: print version and exit
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54 -c: default class of item to create (else the tracker's MAIL_DEFAULT_CLASS)
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55 -C / -S: see below
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56
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57 The roundup mail gateway may be called in one of the following ways:
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58 . without arguments. Then the env var ROUNDUP_INSTANCE will be tried.
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59 . with an instance home as the only argument,
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60 . with both an instance home and a mail spool file,
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61 . with an instance home, a mail source type and its specification.
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62
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63 It also supports optional -C and -S arguments that allows you to set a
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64 fields for a class created by the roundup-mailgw. The default class if
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65 not specified is msg, but the other classes: issue, file, user can
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66 also be used. The -S or --set options uses the same
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67 property=value[;property=value] notation accepted by the command line
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68 roundup command or the commands that can be given on the Subject line
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69 of an email message.
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70
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71 It can let you set the type of the message on a per email address basis.
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72
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73 PIPE:
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74 If there is no mail source specified,
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75 the mail gateway reads a single message from the standard input
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76 and submits the message to the roundup.mailgw module.
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77
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78 Mail source "mailbox":
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79 In this case, the gateway reads all messages from the UNIX mail spool
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80 file and submits each in turn to the roundup.mailgw module. The file is
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81 emptied once all messages have been successfully handled. The file is
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82 specified as:
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83 mailbox /path/to/mailbox
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84
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85 In all of the following mail source type the username and password
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86 can be stored in a ~/.netrc file. If done so case only the server name
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87 need to be specified on the command-line.
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89 The username and/or password will be prompted for if not supplied on
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90 the command-line or in ~/.netrc.
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91
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92 POP:
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93 For the mail source "pop", the gateway reads all messages from the POP server
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94 specified and submits each in turn to the roundup.mailgw module. The
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95 server is specified as:
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96 pop username:password@server
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97 Alternatively, one can omit one or both of username and password:
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98 pop username@server
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99 pop server
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100 are both valid.
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101
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102 POPS:
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103 Connect to a POP server over ssl. This requires python 2.4 or later.
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104 This supports the same notation as POP.
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105
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106 APOP:
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107 Same as POP, but using Authenticated POP:
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108 apop username:password@server
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109
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110 IMAP:
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111 Connect to an IMAP server. This supports the same notation as that of
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112 POP mail.
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113 imap username:password@server
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114 It also allows you to specify a specific mailbox other than INBOX using
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115 this format:
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116 imap username:password@server mailbox
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117
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118 IMAPS:
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119 Connect to an IMAP server over ssl.
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120 This supports the same notation as IMAP.
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121 imaps username:password@server [mailbox]
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122
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123 IMAPS_CRAM:
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124 Connect to an IMAP server over ssl using CRAM-MD5 authentication.
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125 This supports the same notation as IMAP.
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126 imaps_cram username:password@server [mailbox]
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127
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128 """) % {'program': args[0]})
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129 return 1
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130
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131
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132 def main(argv):
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133 '''Handle the arguments to the program and initialise environment.
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134 '''
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135 # take the argv array and parse it leaving the non-option
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136 # arguments in the args array.
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137 try:
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138 optionsList, args = getopt.getopt(argv[1:], 'vc:C:S:', ['set=',
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139 'class='])
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140 except getopt.GetoptError:
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141 # print help information and exit:
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142 usage(argv)
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143 sys.exit(2)
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144
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145 for (opt, _arg) in optionsList:
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146 if opt == '-v':
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147 print('%s (python %s)' % (roundup_version, sys.version.split()[0]))
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148 return
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149
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150 # figure the instance home
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151 if len(args) > 0:
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152 instance_home = args[0]
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153 else:
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154 instance_home = os.environ.get('ROUNDUP_INSTANCE', '')
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155 if not (instance_home and os.path.isdir(instance_home)):
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156 return usage(argv)
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157
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158 # get the instance
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159 import roundup.instance
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160 instance = roundup.instance.open(instance_home)
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161
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162 if hasattr(instance, 'MailGW'):
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163 handler = instance.MailGW(instance, optionsList)
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164 else:
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165 handler = mailgw.MailGW(instance, optionsList)
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166
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167 # if there's no more arguments, read a single message from stdin
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168 if len(args) == 1:
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169 return handler.do_pipe()
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170
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171 # otherwise, figure what sort of mail source to handle
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172 if len(args) < 3:
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173 return usage(argv, _(
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174 'Error: not enough source specification information'))
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175 source, specification = args[1:3]
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176
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177 # time out net connections after a minute if we can
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178 if source not in ('mailbox', 'imaps', 'imaps_cram'):
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179 if hasattr(socket, 'setdefaulttimeout'):
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180 socket.setdefaulttimeout(60)
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181
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182 if source == 'mailbox':
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183 return handler.do_mailbox(specification)
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184
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185 # the source will be a network server, so obtain the credentials to
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186 # use in connecting to the server
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187 try:
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188 # attempt to obtain credentials from a ~/.netrc file
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189 authenticator = netrc.netrc().authenticators(specification)
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190 username = authenticator[0]
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191 password = authenticator[2]
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192 server = specification
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193 # IOError if no ~/.netrc file, TypeError if the hostname
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194 # not found in the ~/.netrc file:
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195 except (IOError, TypeError):
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196 match = re.match(r'((?P<user>[^:]+)(:(?P<pass>.+))?@)?(?P<server>.+)',
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197 specification)
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198 if match:
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199 username = match.group('user')
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200 password = match.group('pass')
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201 server = match.group('server')
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202 else:
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203 return usage(argv, _('Error: %s specification not valid') % source)
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204
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205 # now invoke the mailgw handler depending on the server handler requested
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206 if source.startswith('pop'):
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207 ssl = source.endswith('s')
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208 return handler.do_pop(server, username, password, ssl)
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209 elif source == 'apop':
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210 return handler.do_apop(server, username, password)
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211 elif source.startswith('imap'):
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212 ssl = cram = 0
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213 if source.endswith('s'):
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214 ssl = 1
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215 elif source.endswith('s_cram'):
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216 ssl = cram = 1
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217 mailbox = ''
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218 if len(args) > 3:
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219 mailbox = args[3]
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220 return handler.do_imap(server, username, password, mailbox, ssl,
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221 cram)
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222
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223 return usage(argv, _('Error: The source must be either "mailbox",'
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224 ' "pop", "pops", "apop", "imap", "imaps" or'
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225 ' "imaps_cram'))
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226
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227
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228 def run():
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229 sys.exit(main(sys.argv))
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230
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231
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232 # call main
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233 if __name__ == '__main__':
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234 run()
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235
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236 # vim: set filetype=python ts=4 sw=4 et si

Roundup Issue Tracker: http://roundup-tracker.org/