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annotate roundup/mailer.py @ 2077:3e0961d6d44d

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Added the "actor" property. Metakit backend not done (still not confident I know how it's supposed to work ;) Currently it will come up as NULL in the RDBMS backends for older items. The *dbm backends will look up the journal. I hope to remedy the former before 0.7's release. Fixed a bunch of migration issues in the rdbms backends while I was at it (index changes for key prop changes) and simplified the class table update code for RDBMSes that have "alter table" in their command set (ie. not sqlite) ... migration from "version 1" to "version 2" still hasn't actually been tested yet though.
author Richard Jones <richard@users.sourceforge.net>
date Mon, 15 Mar 2004 05:50:20 +0000
parents 48600089c73d
children 95da13c1bdbd
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2005
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1981
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1 """Sending Roundup-specific mail over SMTP.
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2 """
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3 __docformat__ = 'restructuredtext'
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4 # $Id: mailer.py,v 1.7 2004-02-29 00:35:55 richard Exp $
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5
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6 import time, quopri, os, socket, smtplib, re
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7
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8 from cStringIO import StringIO
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9 from MimeWriter import MimeWriter
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10
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11 from roundup.rfc2822 import encode_header
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12 from roundup import __version__
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13
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14 class MessageSendError(RuntimeError):
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15 pass
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16
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17 class Mailer:
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18 """Roundup-specific mail sending."""
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19 def __init__(self, config):
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20 self.config = config
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21
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22 # set to indicate to roundup not to actually _send_ email
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23 # this var must contain a file to write the mail to
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24 self.debug = os.environ.get('SENDMAILDEBUG', '')
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25
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26 def get_standard_message(self, to, subject, author=None):
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27 '''Form a standard email message from Roundup.
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28
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29 "to" - recipients list
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30 "subject" - Subject
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31 "author" - (name, address) tuple or None for admin email
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32
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33 Subject and author are encoded using the EMAIL_CHARSET from the
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34 config (default UTF-8).
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35
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36 Returns a Message object and body part writer.
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37 '''
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38 # encode header values if they need to be
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39 charset = getattr(self.config, 'EMAIL_CHARSET', 'utf-8')
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40 tracker_name = self.config.TRACKER_NAME
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41 if charset != 'utf-8':
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42 tracker = unicode(tracker_name, 'utf-8').encode(charset)
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43 if not author:
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44 author = straddr((tracker_name, self.config.ADMIN_EMAIL))
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45 else:
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46 name = author[0]
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47 if charset != 'utf-8':
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48 name = unicode(name, 'utf-8').encode(charset)
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49 author = straddr((encode_header(name, charset), author[1]))
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50
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51 message = StringIO()
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52 writer = MimeWriter(message)
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53 writer.addheader('Subject', encode_header(subject, charset))
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54 writer.addheader('To', ', '.join(to))
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55 writer.addheader('From', author)
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56 writer.addheader('Date', time.strftime("%a, %d %b %Y %H:%M:%S +0000",
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57 time.gmtime()))
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58
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59 # Add a unique Roundup header to help filtering
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60 writer.addheader('X-Roundup-Name', encode_header(tracker_name,
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61 charset))
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62 # and another one to avoid loops
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63 writer.addheader('X-Roundup-Loop', 'hello')
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64 # finally, an aid to debugging problems
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65 writer.addheader('X-Roundup-Version', __version__)
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66
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67 writer.addheader('MIME-Version', '1.0')
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68
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69 return message, writer
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70
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71 def standard_message(self, to, subject, content, author=None):
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72 """Send a standard message.
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73
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74 Arguments:
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75 - to: a list of addresses usable by rfc822.parseaddr().
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76 - subject: the subject as a string.
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77 - content: the body of the message as a string.
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78 - author: the sender as a (name, address) tuple
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79 """
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80 message, writer = self.get_standard_message(to, subject, author)
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81
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82 writer.addheader('Content-Transfer-Encoding', 'quoted-printable')
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83 body = writer.startbody('text/plain; charset=utf-8')
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84 content = StringIO(content)
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85 quopri.encode(content, body, 0)
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86
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87 self.smtp_send(to, message)
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88
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89 def bounce_message(self, bounced_message, to, error,
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90 subject='Failed issue tracker submission'):
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91 """Bounce a message, attaching the failed submission.
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92
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93 Arguments:
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94 - bounced_message: an RFC822 Message object.
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95 - to: a list of addresses usable by rfc822.parseaddr().
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96 - error: the reason of failure as a string.
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97 - subject: the subject as a string.
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98
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99 """
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100 message, writer = self.get_standard_message(to, subject)
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101
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102 part = writer.startmultipartbody('mixed')
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103 part = writer.nextpart()
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104 part.addheader('Content-Transfer-Encoding', 'quoted-printable')
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105 body = part.startbody('text/plain; charset=utf-8')
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106 body.write('\n'.join(error))
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107
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108 # attach the original message to the returned message
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109 part = writer.nextpart()
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110 part.addheader('Content-Disposition', 'attachment')
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111 part.addheader('Content-Description', 'Message you sent')
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112 body = part.startbody('text/plain')
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113
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114 for header in bounced_message.headers:
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115 body.write(header)
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116 body.write('\n')
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117 try:
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118 bounced_message.rewindbody()
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119 except IOError, message:
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120 body.write("*** couldn't include message body: %s ***"
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121 % bounced_message)
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122 else:
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123 body.write(bounced_message.fp.read())
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124
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125 writer.lastpart()
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126
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127 self.smtp_send(to, message)
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128
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129 def smtp_send(self, to, message):
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130 """Send a message over SMTP, using roundup's config.
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131
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132 Arguments:
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133 - to: a list of addresses usable by rfc822.parseaddr().
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134 - message: a StringIO instance with a full message.
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135 """
1799
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Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
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136 if self.debug:
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137 # don't send - just write to a file
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138 open(self.debug, 'a').write('FROM: %s\nTO: %s\n%s\n' %
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139 (self.config.ADMIN_EMAIL,
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140 ', '.join(to),
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Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
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141 message.getvalue()))
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142 else:
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143 # now try to send the message
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144 try:
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145 # send the message as admin so bounces are sent there
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146 # instead of to roundup
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147 smtp = SMTPConnection(self.config)
1830
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148 smtp.sendmail(self.config.ADMIN_EMAIL, to,
1799
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149 message.getvalue())
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150 except socket.error, value:
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151 raise MessageSendError("Error: couldn't send email: "
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152 "mailhost %s"%value)
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153 except smtplib.SMTPException, msg:
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154 raise MessageSendError("Error: couldn't send email: %s"%msg)
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155
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156 class SMTPConnection(smtplib.SMTP):
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157 ''' Open an SMTP connection to the mailhost specified in the config
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158 '''
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159 def __init__(self, config):
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160
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161 smtplib.SMTP.__init__(self, config.MAILHOST)
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162
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163 # use TLS?
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164 use_tls = getattr(config, 'MAILHOST_TLS', 'no')
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165 if use_tls == 'yes':
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166 # do we have key files too?
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167 keyfile = getattr(config, 'MAILHOST_TLS_KEYFILE', '')
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168 if keyfile:
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169 certfile = getattr(config, 'MAILHOST_TLS_CERTFILE', '')
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170 if certfile:
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171 args = (keyfile, certfile)
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172 else:
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173 args = (keyfile, )
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174 else:
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175 args = ()
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176 # start the TLS
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177 self.starttls(*args)
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178
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179 # ok, now do we also need to log in?
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180 mailuser = getattr(config, 'MAILUSER', None)
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181 if mailuser:
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182 self.login(*config.MAILUSER)
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183
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184 # use the 'email' module, either imported, or our copied version
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185 try :
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186 from email.Utils import formataddr as straddr
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187 except ImportError :
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188 # code taken from the email package 2.4.3
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189 def straddr(pair, specialsre = re.compile(r'[][\()<>@,:;".]'),
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190 escapesre = re.compile(r'[][\()"]')):
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191 name, address = pair
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192 if name:
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193 quotes = ''
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194 if specialsre.search(name):
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195 quotes = '"'
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196 name = escapesre.sub(r'\\\g<0>', name)
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197 return '%s%s%s <%s>' % (quotes, name, quotes, address)
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198 return address
Roundup Issue Tracker: http://roundup-tracker.org/