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annotate roundup/mailer.py @ 2806:845e87d5e3ba

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translator objects now have the following search path: - selected locale messages in the tracker locale dir - selected locale messages in the system locale dir - english messages in the tracker locale dir - english messages in the system locale dir automatically compile .mo files if needed (found .po file and .mo is missing or .po mtime is greater that .mo mtime) removed support for python < 2.0. gettext module is now required. get_translation: removed 'domain' argument, added 'tracker_home' argument
author Alexander Smishlajev <a1s@users.sourceforge.net>
date Sat, 23 Oct 2004 14:03:34 +0000
parents e49e6c7b14fb
children 75b4c2c32cf3 8fcee705ebdb
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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 1.10 2004-07-25 15:25:44 a1s 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 or config["MAIL_DEBUG"]
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26
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27 def get_standard_message(self, to, subject, author=None):
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28 '''Form a standard email message from Roundup.
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29
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30 "to" - recipients list
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31 "subject" - Subject
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32 "author" - (name, address) tuple or None for admin email
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33
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34 Subject and author are encoded using the EMAIL_CHARSET from the
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35 config (default UTF-8).
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36
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37 Returns a Message object and body part writer.
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38 '''
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39 # encode header values if they need to be
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40 charset = getattr(self.config, 'EMAIL_CHARSET', 'utf-8')
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41 tracker_name = self.config.TRACKER_NAME
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42 if charset != 'utf-8':
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43 tracker = unicode(tracker_name, 'utf-8').encode(charset)
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44 if not author:
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45 author = straddr((tracker_name, self.config.ADMIN_EMAIL))
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46 else:
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47 name = author[0]
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48 if charset != 'utf-8':
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49 name = unicode(name, 'utf-8').encode(charset)
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50 author = straddr((encode_header(name, charset), author[1]))
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51
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52 message = StringIO()
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53 writer = MimeWriter(message)
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54 writer.addheader('Subject', encode_header(subject, charset))
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55 writer.addheader('To', ', '.join(to))
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56 writer.addheader('From', author)
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57 writer.addheader('Date', time.strftime("%a, %d %b %Y %H:%M:%S +0000",
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58 time.gmtime()))
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59
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60 # Add a unique Roundup header to help filtering
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61 writer.addheader('X-Roundup-Name', encode_header(tracker_name,
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62 charset))
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63 # and another one to avoid loops
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64 writer.addheader('X-Roundup-Loop', 'hello')
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65 # finally, an aid to debugging problems
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66 writer.addheader('X-Roundup-Version', __version__)
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67
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68 writer.addheader('MIME-Version', '1.0')
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69
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70 return message, writer
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71
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72 def standard_message(self, to, subject, content, author=None):
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73 """Send a standard message.
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74
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75 Arguments:
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76 - to: a list of addresses usable by rfc822.parseaddr().
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77 - subject: the subject as a string.
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78 - content: the body of the message as a string.
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79 - author: the sender as a (name, address) tuple
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80 """
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81 message, writer = self.get_standard_message(to, subject, author)
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82
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83 writer.addheader('Content-Transfer-Encoding', 'quoted-printable')
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84 body = writer.startbody('text/plain; charset=utf-8')
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85 content = StringIO(content)
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86 quopri.encode(content, body, 0)
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87
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88 self.smtp_send(to, message)
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89
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90 def bounce_message(self, bounced_message, to, error,
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91 subject='Failed issue tracker submission'):
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92 """Bounce a message, attaching the failed submission.
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93
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94 Arguments:
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95 - bounced_message: an RFC822 Message object.
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96 - to: a list of addresses usable by rfc822.parseaddr(). Might be
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97 extended or overridden according to the config
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98 ERROR_MESSAGES_TO setting.
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99 - error: the reason of failure as a string.
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100 - subject: the subject as a string.
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101
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102 """
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103 # see whether we should send to the dispatcher or not
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104 dispatcher_email = getattr(self.config, "DISPATCHER_EMAIL",
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105 getattr(self.config, "ADMIN_EMAIL"))
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106 error_messages_to = getattr(self.config, "ERROR_MESSAGES_TO", "user")
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107 if error_messages_to == "dispatcher":
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108 to = [dispatcher_email]
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109 elif error_messages_to == "both":
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110 to.append(dispatcher_email)
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111
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112 message, writer = self.get_standard_message(to, subject)
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113
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114 part = writer.startmultipartbody('mixed')
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115 part = writer.nextpart()
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116 part.addheader('Content-Transfer-Encoding', 'quoted-printable')
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117 body = part.startbody('text/plain; charset=utf-8')
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118 body.write('\n'.join(error))
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119
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120 # attach the original message to the returned message
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121 part = writer.nextpart()
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122 part.addheader('Content-Disposition', 'attachment')
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123 part.addheader('Content-Description', 'Message you sent')
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124 body = part.startbody('text/plain')
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125
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126 for header in bounced_message.headers:
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127 body.write(header)
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128 body.write('\n')
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129 try:
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130 bounced_message.rewindbody()
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131 except IOError, message:
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132 body.write("*** couldn't include message body: %s ***"
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133 % bounced_message)
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134 else:
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135 body.write(bounced_message.fp.read())
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136
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137 writer.lastpart()
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138
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139 self.smtp_send(to, message)
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140
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141 def smtp_send(self, to, message):
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142 """Send a message over SMTP, using roundup's config.
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143
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144 Arguments:
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145 - to: a list of addresses usable by rfc822.parseaddr().
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146 - message: a StringIO instance with a full message.
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147 """
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148 if self.debug:
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149 # don't send - just write to a file
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150 open(self.debug, 'a').write('FROM: %s\nTO: %s\n%s\n' %
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151 (self.config.ADMIN_EMAIL,
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152 ', '.join(to),
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153 message.getvalue()))
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154 else:
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155 # now try to send the message
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156 try:
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157 # send the message as admin so bounces are sent there
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158 # instead of to roundup
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159 smtp = SMTPConnection(self.config)
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160 smtp.sendmail(self.config.ADMIN_EMAIL, to,
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161 message.getvalue())
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162 except socket.error, value:
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163 raise MessageSendError("Error: couldn't send email: "
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164 "mailhost %s"%value)
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165 except smtplib.SMTPException, msg:
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166 raise MessageSendError("Error: couldn't send email: %s"%msg)
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167
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168 class SMTPConnection(smtplib.SMTP):
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169 ''' Open an SMTP connection to the mailhost specified in the config
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170 '''
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171 def __init__(self, config):
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172
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173 smtplib.SMTP.__init__(self, config.MAILHOST)
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174
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175 # start the TLS if requested
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176 if config["MAIL_TLS"]:
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177 self.starttls(config["MAIL_TLS_KEYFILE"],
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178 config["MAIL_TLS_CERFILE"])
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179
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180 # ok, now do we also need to log in?
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181 mailuser = config["MAIL_USERNAME"]
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182 if mailuser:
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183 self.login(mailuser, config["MAIL_PASSWORD"])
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184
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185 # use the 'email' module, either imported, or our copied version
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186 try :
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187 from email.Utils import formataddr as straddr
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188 except ImportError :
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189 # code taken from the email package 2.4.3
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190 def straddr(pair, specialsre = re.compile(r'[][\()<>@,:;".]'),
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191 escapesre = re.compile(r'[][\()"]')):
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192 name, address = pair
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193 if name:
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194 quotes = ''
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195 if specialsre.search(name):
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196 quotes = '"'
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197 name = escapesre.sub(r'\\\g<0>', name)
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198 return '%s%s%s <%s>' % (quotes, name, quotes, address)
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diff changeset
199 return address
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200
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201 # vim: set et sts=4 sw=4 :
Roundup Issue Tracker: http://roundup-tracker.org/