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annotate roundup/mailer.py @ 2124:6deda7ff3b2a

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*** empty log message ***
author Richard Jones <richard@users.sourceforge.net>
date Thu, 25 Mar 2004 22:53:26 +0000
parents 95da13c1bdbd
children e49e6c7b14fb
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2005
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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 1.9 2004-03-25 22:53:26 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(). Might be
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96 extended or overridden according to the config
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97 ERROR_MESSAGES_TO setting.
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98 - error: the reason of failure as a string.
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99 - subject: the subject as a string.
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100
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101 """
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102 # see whether we should send to the dispatcher or not
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103 dispatcher_email = getattr(self.config, "DISPATCHER_EMAIL",
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104 getattr(self.config, "ADMIN_EMAIL"))
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105 error_messages_to = getattr(self.config, "ERROR_MESSAGES_TO", "user")
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106 if error_messages_to == "dispatcher":
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107 to = [dispatcher_email]
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108 elif error_messages_to == "both":
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109 to.append(dispatcher_email)
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110
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111 message, writer = self.get_standard_message(to, subject)
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112
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113 part = writer.startmultipartbody('mixed')
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114 part = writer.nextpart()
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115 part.addheader('Content-Transfer-Encoding', 'quoted-printable')
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116 body = part.startbody('text/plain; charset=utf-8')
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117 body.write('\n'.join(error))
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118
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119 # attach the original message to the returned message
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120 part = writer.nextpart()
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121 part.addheader('Content-Disposition', 'attachment')
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122 part.addheader('Content-Description', 'Message you sent')
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123 body = part.startbody('text/plain')
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124
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125 for header in bounced_message.headers:
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126 body.write(header)
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127 body.write('\n')
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128 try:
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129 bounced_message.rewindbody()
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130 except IOError, message:
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131 body.write("*** couldn't include message body: %s ***"
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132 % bounced_message)
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133 else:
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Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
134 body.write(bounced_message.fp.read())
071ea6fc803f Extracted duplicated mail-sending code...
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
135
071ea6fc803f Extracted duplicated mail-sending code...
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
136 writer.lastpart()
071ea6fc803f Extracted duplicated mail-sending code...
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
137
071ea6fc803f Extracted duplicated mail-sending code...
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
138 self.smtp_send(to, message)
071ea6fc803f Extracted duplicated mail-sending code...
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
139
071ea6fc803f Extracted duplicated mail-sending code...
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
140 def smtp_send(self, to, message):
1830
4ac11e7fa11a Fix mailer bug [SF#817470]...
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents: 1803
diff changeset
141 """Send a message over SMTP, using roundup's config.
4ac11e7fa11a Fix mailer bug [SF#817470]...
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents: 1803
diff changeset
142
4ac11e7fa11a Fix mailer bug [SF#817470]...
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents: 1803
diff changeset
143 Arguments:
4ac11e7fa11a Fix mailer bug [SF#817470]...
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents: 1803
diff changeset
144 - to: a list of addresses usable by rfc822.parseaddr().
4ac11e7fa11a Fix mailer bug [SF#817470]...
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents: 1803
diff changeset
145 - message: a StringIO instance with a full message.
4ac11e7fa11a Fix mailer bug [SF#817470]...
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents: 1803
diff changeset
146 """
1799
071ea6fc803f Extracted duplicated mail-sending code...
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
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diff changeset
147 if self.debug:
071ea6fc803f Extracted duplicated mail-sending code...
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
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diff changeset
148 # don't send - just write to a file
071ea6fc803f Extracted duplicated mail-sending code...
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
149 open(self.debug, 'a').write('FROM: %s\nTO: %s\n%s\n' %
071ea6fc803f Extracted duplicated mail-sending code...
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
150 (self.config.ADMIN_EMAIL,
071ea6fc803f Extracted duplicated mail-sending code...
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
151 ', '.join(to),
071ea6fc803f Extracted duplicated mail-sending code...
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
152 message.getvalue()))
071ea6fc803f Extracted duplicated mail-sending code...
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
153 else:
071ea6fc803f Extracted duplicated mail-sending code...
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
154 # now try to send the message
071ea6fc803f Extracted duplicated mail-sending code...
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
155 try:
071ea6fc803f Extracted duplicated mail-sending code...
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
156 # send the message as admin so bounces are sent there
071ea6fc803f Extracted duplicated mail-sending code...
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
157 # instead of to roundup
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Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
158 smtp = SMTPConnection(self.config)
1830
4ac11e7fa11a Fix mailer bug [SF#817470]...
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents: 1803
diff changeset
159 smtp.sendmail(self.config.ADMIN_EMAIL, to,
1799
071ea6fc803f Extracted duplicated mail-sending code...
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
160 message.getvalue())
071ea6fc803f Extracted duplicated mail-sending code...
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
161 except socket.error, value:
071ea6fc803f Extracted duplicated mail-sending code...
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
162 raise MessageSendError("Error: couldn't send email: "
071ea6fc803f Extracted duplicated mail-sending code...
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
163 "mailhost %s"%value)
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Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
164 except smtplib.SMTPException, msg:
071ea6fc803f Extracted duplicated mail-sending code...
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
165 raise MessageSendError("Error: couldn't send email: %s"%msg)
071ea6fc803f Extracted duplicated mail-sending code...
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
166
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Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
167 class SMTPConnection(smtplib.SMTP):
071ea6fc803f Extracted duplicated mail-sending code...
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
168 ''' Open an SMTP connection to the mailhost specified in the config
071ea6fc803f Extracted duplicated mail-sending code...
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
169 '''
071ea6fc803f Extracted duplicated mail-sending code...
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
170 def __init__(self, config):
071ea6fc803f Extracted duplicated mail-sending code...
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
171
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Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
172 smtplib.SMTP.__init__(self, config.MAILHOST)
071ea6fc803f Extracted duplicated mail-sending code...
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
173
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Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
174 # use TLS?
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Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
175 use_tls = getattr(config, 'MAILHOST_TLS', 'no')
071ea6fc803f Extracted duplicated mail-sending code...
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
176 if use_tls == 'yes':
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Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
177 # do we have key files too?
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Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
178 keyfile = getattr(config, 'MAILHOST_TLS_KEYFILE', '')
071ea6fc803f Extracted duplicated mail-sending code...
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
179 if keyfile:
071ea6fc803f Extracted duplicated mail-sending code...
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
180 certfile = getattr(config, 'MAILHOST_TLS_CERTFILE', '')
071ea6fc803f Extracted duplicated mail-sending code...
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
181 if certfile:
071ea6fc803f Extracted duplicated mail-sending code...
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
182 args = (keyfile, certfile)
071ea6fc803f Extracted duplicated mail-sending code...
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
183 else:
071ea6fc803f Extracted duplicated mail-sending code...
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
184 args = (keyfile, )
071ea6fc803f Extracted duplicated mail-sending code...
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
185 else:
071ea6fc803f Extracted duplicated mail-sending code...
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
186 args = ()
071ea6fc803f Extracted duplicated mail-sending code...
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
187 # start the TLS
071ea6fc803f Extracted duplicated mail-sending code...
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
188 self.starttls(*args)
071ea6fc803f Extracted duplicated mail-sending code...
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
189
071ea6fc803f Extracted duplicated mail-sending code...
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
190 # ok, now do we also need to log in?
071ea6fc803f Extracted duplicated mail-sending code...
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
191 mailuser = getattr(config, 'MAILUSER', None)
071ea6fc803f Extracted duplicated mail-sending code...
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
192 if mailuser:
071ea6fc803f Extracted duplicated mail-sending code...
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
193 self.login(*config.MAILUSER)
071ea6fc803f Extracted duplicated mail-sending code...
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
194
071ea6fc803f Extracted duplicated mail-sending code...
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
195 # use the 'email' module, either imported, or our copied version
071ea6fc803f Extracted duplicated mail-sending code...
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
196 try :
071ea6fc803f Extracted duplicated mail-sending code...
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
197 from email.Utils import formataddr as straddr
071ea6fc803f Extracted duplicated mail-sending code...
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
198 except ImportError :
071ea6fc803f Extracted duplicated mail-sending code...
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
199 # code taken from the email package 2.4.3
071ea6fc803f Extracted duplicated mail-sending code...
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
200 def straddr(pair, specialsre = re.compile(r'[][\()<>@,:;".]'),
071ea6fc803f Extracted duplicated mail-sending code...
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
201 escapesre = re.compile(r'[][\()"]')):
071ea6fc803f Extracted duplicated mail-sending code...
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
202 name, address = pair
071ea6fc803f Extracted duplicated mail-sending code...
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
203 if name:
071ea6fc803f Extracted duplicated mail-sending code...
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
204 quotes = ''
071ea6fc803f Extracted duplicated mail-sending code...
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
205 if specialsre.search(name):
071ea6fc803f Extracted duplicated mail-sending code...
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
206 quotes = '"'
071ea6fc803f Extracted duplicated mail-sending code...
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
207 name = escapesre.sub(r'\\\g<0>', name)
071ea6fc803f Extracted duplicated mail-sending code...
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
208 return '%s%s%s <%s>' % (quotes, name, quotes, address)
071ea6fc803f Extracted duplicated mail-sending code...
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
209 return address
Roundup Issue Tracker: http://roundup-tracker.org/