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annotate roundup/roundupdb.py @ 1685:b6621f8bd496 maint-0.5

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backported XSS message cleaning fix [SF#757128]
author Richard Jones <richard@users.sourceforge.net>
date Tue, 24 Jun 2003 03:33:56 +0000
parents 0b30d6f0ec24
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #
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2 # Copyright (c) 2001 Bizar Software Pty Ltd (http://www.bizarsoftware.com.au/)
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3 # This module is free software, and you may redistribute it and/or modify
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4 # under the same terms as Python, so long as this copyright message and
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5 # disclaimer are retained in their original form.
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6 #
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7 # IN NO EVENT SHALL BIZAR SOFTWARE PTY LTD BE LIABLE TO ANY PARTY FOR
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8 # DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING
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9 # OUT OF THE USE OF THIS CODE, EVEN IF THE AUTHOR HAS BEEN ADVISED OF THE
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10 # POSSIBILITY OF SUCH DAMAGE.
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11 #
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12 # BIZAR SOFTWARE PTY LTD SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
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13 # BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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14 # FOR A PARTICULAR PURPOSE. THE CODE PROVIDED HEREUNDER IS ON AN "AS IS"
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15 # BASIS, AND THERE IS NO OBLIGATION WHATSOEVER TO PROVIDE MAINTENANCE,
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16 # SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
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17 #
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18 # $Id: roundupdb.py,v 1.75.2.1 2003-04-27 02:29:07 richard Exp $
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19
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20 __doc__ = """
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21 Extending hyperdb with types specific to issue-tracking.
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22 """
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23
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24 import re, os, smtplib, socket, time, random
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25 import MimeWriter, cStringIO
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26 import base64, quopri, mimetypes
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27 # if available, use the 'email' module, otherwise fallback to 'rfc822'
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28 try :
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29 from email.Utils import formataddr as straddr
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30 except ImportError :
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31 # code taken from the email package 2.4.3
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32 def straddr(pair, specialsre = re.compile(r'[][\()<>@,:;".]'),
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33 escapesre = re.compile(r'[][\()"]')):
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34 name, address = pair
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35 if name:
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36 quotes = ''
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37 if specialsre.search(name):
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38 quotes = '"'
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39 name = escapesre.sub(r'\\\g<0>', name)
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40 return '%s%s%s <%s>' % (quotes, name, quotes, address)
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41 return address
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42
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43 import hyperdb
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44
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45 # set to indicate to roundup not to actually _send_ email
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46 # this var must contain a file to write the mail to
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47 SENDMAILDEBUG = os.environ.get('SENDMAILDEBUG', '')
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48
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49 class Database:
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50 def getuid(self):
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51 """Return the id of the "user" node associated with the user
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52 that owns this connection to the hyperdatabase."""
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53 return self.user.lookup(self.journaltag)
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54
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55 class MessageSendError(RuntimeError):
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56 pass
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57
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58 class DetectorError(RuntimeError):
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59 ''' Raised by detectors that want to indicate that something's amiss
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60 '''
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61 pass
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62
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63 # deviation from spec - was called IssueClass
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64 class IssueClass:
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65 """ This class is intended to be mixed-in with a hyperdb backend
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66 implementation. The backend should provide a mechanism that
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67 enforces the title, messages, files, nosy and superseder
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68 properties:
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69 properties['title'] = hyperdb.String(indexme='yes')
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70 properties['messages'] = hyperdb.Multilink("msg")
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71 properties['files'] = hyperdb.Multilink("file")
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72 properties['nosy'] = hyperdb.Multilink("user")
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73 properties['superseder'] = hyperdb.Multilink(classname)
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74 """
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75
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76 # New methods:
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77 def addmessage(self, nodeid, summary, text):
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78 """Add a message to an issue's mail spool.
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79
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80 A new "msg" node is constructed using the current date, the user that
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81 owns the database connection as the author, and the specified summary
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82 text.
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83
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84 The "files" and "recipients" fields are left empty.
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85
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86 The given text is saved as the body of the message and the node is
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87 appended to the "messages" field of the specified issue.
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88 """
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89
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90 def nosymessage(self, nodeid, msgid, oldvalues):
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91 """Send a message to the members of an issue's nosy list.
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92
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93 The message is sent only to users on the nosy list who are not
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94 already on the "recipients" list for the message.
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95
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96 These users are then added to the message's "recipients" list.
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97 """
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98 users = self.db.user
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99 messages = self.db.msg
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100
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101 # figure the recipient ids
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102 sendto = []
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103 r = {}
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104 recipients = messages.get(msgid, 'recipients')
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105 for recipid in messages.get(msgid, 'recipients'):
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106 r[recipid] = 1
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107
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108 # figure the author's id, and indicate they've received the message
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109 authid = messages.get(msgid, 'author')
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110
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111 # possibly send the message to the author, as long as they aren't
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112 # anonymous
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113 if (users.get(authid, 'username') != 'anonymous' and
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114 not r.has_key(authid)):
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115 if self.db.config.MESSAGES_TO_AUTHOR == 'yes':
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116 # make sure they have an address
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117 add = users.get(authid, 'address')
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118 if add:
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119 # send it to them
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120 sendto.append(add)
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121 recipients.append(authid)
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122
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123 r[authid] = 1
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124
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125 # now figure the nosy people who weren't recipients
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126 nosy = self.get(nodeid, 'nosy')
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127 for nosyid in nosy:
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128 # Don't send nosy mail to the anonymous user (that user
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129 # shouldn't appear in the nosy list, but just in case they
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130 # do...)
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131 if users.get(nosyid, 'username') == 'anonymous':
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132 continue
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133 # make sure they haven't seen the message already
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134 if not r.has_key(nosyid):
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135 # make sure they have an address
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136 add = users.get(nosyid, 'address')
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137 if add:
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138 # send it to them
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139 sendto.append(add)
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140 recipients.append(nosyid)
1356
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141
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142 # generate a change note
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143 if oldvalues:
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144 note = self.generateChangeNote(nodeid, oldvalues)
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145 else:
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146 note = self.generateCreateNote(nodeid)
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147
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148 # we have new recipients
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149 if sendto:
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150 # update the message's recipients list
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151 messages.set(msgid, recipients=recipients)
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152
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153 # send the message
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154 self.send_message(nodeid, msgid, note, sendto)
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155
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156 # backwards compatibility - don't remove
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157 sendmessage = nosymessage
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158
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159 def send_message(self, nodeid, msgid, note, sendto):
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160 '''Actually send the nominated message from this node to the sendto
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161 recipients, with the note appended.
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162 '''
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163 users = self.db.user
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164 messages = self.db.msg
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165 files = self.db.file
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166
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167 # determine the messageid and inreplyto of the message
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168 inreplyto = messages.get(msgid, 'inreplyto')
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169 messageid = messages.get(msgid, 'messageid')
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170
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171 # make up a messageid if there isn't one (web edit)
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172 if not messageid:
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173 # this is an old message that didn't get a messageid, so
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174 # create one
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175 messageid = "<%s.%s.%s%s@%s>"%(time.time(), random.random(),
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176 self.classname, nodeid, self.db.config.MAIL_DOMAIN)
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177 messages.set(msgid, messageid=messageid)
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178
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179 # send an email to the people who missed out
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180 cn = self.classname
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181 title = self.get(nodeid, 'title') or '%s message copy'%cn
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182 # figure author information
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183 authid = messages.get(msgid, 'author')
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184 authname = users.get(authid, 'realname')
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185 if not authname:
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186 authname = users.get(authid, 'username')
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187 authaddr = users.get(authid, 'address')
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188 if authaddr:
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189 authaddr = " <%s>" % straddr( ('',authaddr) )
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190 else:
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191 authaddr = ''
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192
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193 # make the message body
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194 m = ['']
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195
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196 # put in roundup's signature
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197 if self.db.config.EMAIL_SIGNATURE_POSITION == 'top':
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198 m.append(self.email_signature(nodeid, msgid))
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199
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200 # add author information
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201 if len(self.get(nodeid,'messages')) == 1:
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202 m.append("New submission from %s%s:"%(authname, authaddr))
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203 else:
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204 m.append("%s%s added the comment:"%(authname, authaddr))
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205 m.append('')
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206
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207 # add the content
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208 m.append(messages.get(msgid, 'content'))
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209
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210 # add the change note
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211 if note:
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212 m.append(note)
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213
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214 # put in roundup's signature
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215 if self.db.config.EMAIL_SIGNATURE_POSITION == 'bottom':
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216 m.append(self.email_signature(nodeid, msgid))
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217
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218 # encode the content as quoted-printable
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219 content = cStringIO.StringIO('\n'.join(m))
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220 content_encoded = cStringIO.StringIO()
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221 quopri.encode(content, content_encoded, 0)
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222 content_encoded = content_encoded.getvalue()
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223
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224 # get the files for this message
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225 message_files = messages.get(msgid, 'files')
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226
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227 # make sure the To line is always the same (for testing mostly)
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228 sendto.sort()
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229
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230 # create the message
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231 message = cStringIO.StringIO()
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232 writer = MimeWriter.MimeWriter(message)
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233 writer.addheader('Subject', '[%s%s] %s'%(cn, nodeid, title))
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234 writer.addheader('To', ', '.join(sendto))
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235 writer.addheader('From', straddr(
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236 (authname, self.db.config.TRACKER_EMAIL) ) )
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237 writer.addheader('Reply-To', straddr(
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238 (self.db.config.TRACKER_NAME,
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239 self.db.config.TRACKER_EMAIL) ) )
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240 writer.addheader('Date', time.strftime("%a, %d %b %Y %H:%M:%S +0000",
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241 time.gmtime()))
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242 writer.addheader('MIME-Version', '1.0')
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243 if messageid:
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244 writer.addheader('Message-Id', messageid)
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245 if inreplyto:
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246 writer.addheader('In-Reply-To', inreplyto)
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247
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248 # add a uniquely Roundup header to help filtering
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249 writer.addheader('X-Roundup-Name', self.db.config.TRACKER_NAME)
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250
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251 # avoid email loops
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252 writer.addheader('X-Roundup-Loop', 'hello')
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253
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254 # attach files
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255 if message_files:
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256 part = writer.startmultipartbody('mixed')
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257 part = writer.nextpart()
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258 part.addheader('Content-Transfer-Encoding', 'quoted-printable')
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259 body = part.startbody('text/plain')
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260 body.write(content_encoded)
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261 for fileid in message_files:
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262 name = files.get(fileid, 'name')
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263 mime_type = files.get(fileid, 'type')
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264 content = files.get(fileid, 'content')
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265 part = writer.nextpart()
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266 if mime_type == 'text/plain':
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267 part.addheader('Content-Disposition',
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268 'attachment;\n filename="%s"'%name)
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269 part.addheader('Content-Transfer-Encoding', '7bit')
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270 body = part.startbody('text/plain')
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271 body.write(content)
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272 else:
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273 # some other type, so encode it
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274 if not mime_type:
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275 # this should have been done when the file was saved
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276 mime_type = mimetypes.guess_type(name)[0]
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277 if mime_type is None:
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278 mime_type = 'application/octet-stream'
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279 part.addheader('Content-Disposition',
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280 'attachment;\n filename="%s"'%name)
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281 part.addheader('Content-Transfer-Encoding', 'base64')
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282 body = part.startbody(mime_type)
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283 body.write(base64.encodestring(content))
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284 writer.lastpart()
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285 else:
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286 writer.addheader('Content-Transfer-Encoding', 'quoted-printable')
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287 body = writer.startbody('text/plain')
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288 body.write(content_encoded)
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289
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290 # now try to send the message
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291 if SENDMAILDEBUG:
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292 open(SENDMAILDEBUG, 'w').write('FROM: %s\nTO: %s\n%s\n'%(
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293 self.db.config.ADMIN_EMAIL,
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294 ', '.join(sendto),message.getvalue()))
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295 else:
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296 try:
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297 # send the message as admin so bounces are sent there
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298 # instead of to roundup
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299 smtp = smtplib.SMTP(self.db.config.MAILHOST)
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300 smtp.sendmail(self.db.config.ADMIN_EMAIL, sendto,
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301 message.getvalue())
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302 except socket.error, value:
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303 raise MessageSendError, \
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304 "Couldn't send confirmation email: mailhost %s"%value
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305 except smtplib.SMTPException, value:
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306 raise MessageSendError, \
83f33642d220 [[Metadata associated with this commit was garbled during conversion from CVS
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307 "Couldn't send confirmation email: %s"%value
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308
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309 def email_signature(self, nodeid, msgid):
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310 ''' Add a signature to the e-mail with some useful information
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311 '''
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312 # simplistic check to see if the url is valid,
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313 # then append a trailing slash if it is missing
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314 base = self.db.config.TRACKER_WEB
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315 if (not isinstance(base , type('')) or
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316 not (base.startswith('http://') or base.startswith('https://'))):
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317 base = "Configuration Error: TRACKER_WEB isn't a " \
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318 "fully-qualified URL"
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319 elif base[-1] != '/' :
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320 base += '/'
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321 web = base + self.classname + nodeid
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322
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323 # ensure the email address is properly quoted
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324 email = straddr((self.db.config.TRACKER_NAME,
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diff changeset
325 self.db.config.TRACKER_EMAIL))
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326
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327 line = '_' * max(len(web), len(email))
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328 return '%s\n%s\n%s\n%s'%(line, email, web, line)
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329
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330
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331 def generateCreateNote(self, nodeid):
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332 """Generate a create note that lists initial property values
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333 """
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334 cn = self.classname
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335 cl = self.db.classes[cn]
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336 props = cl.getprops(protected=0)
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337
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338 # list the values
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339 m = []
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340 l = props.items()
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341 l.sort()
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342 for propname, prop in l:
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343 value = cl.get(nodeid, propname, None)
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diff changeset
344 # skip boring entries
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345 if not value:
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346 continue
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347 if isinstance(prop, hyperdb.Link):
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348 link = self.db.classes[prop.classname]
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349 if value:
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350 key = link.labelprop(default_to_id=1)
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diff changeset
351 if key:
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352 value = link.get(value, key)
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353 else:
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354 value = ''
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355 elif isinstance(prop, hyperdb.Multilink):
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356 if value is None: value = []
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357 l = []
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358 link = self.db.classes[prop.classname]
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359 key = link.labelprop(default_to_id=1)
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diff changeset
360 if key:
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361 value = [link.get(entry, key) for entry in value]
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362 value.sort()
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363 value = ', '.join(value)
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364 m.append('%s: %s'%(propname, value))
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365 m.insert(0, '----------')
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366 m.insert(0, '')
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367 return '\n'.join(m)
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368
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369 def generateChangeNote(self, nodeid, oldvalues):
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370 """Generate a change note that lists property changes
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371 """
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372 if __debug__ :
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373 if not isinstance(oldvalues, type({})) :
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374 raise TypeError("'oldvalues' must be dict-like, not %s."%
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375 type(oldvalues))
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376
83f33642d220 [[Metadata associated with this commit was garbled during conversion from CVS
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377 cn = self.classname
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378 cl = self.db.classes[cn]
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379 changed = {}
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380 props = cl.getprops(protected=0)
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381
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382 # determine what changed
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383 for key in oldvalues.keys():
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384 if key in ['files','messages']:
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385 continue
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386 if key in ('activity', 'creator', 'creation'):
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diff changeset
387 continue
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388 new_value = cl.get(nodeid, key)
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389 # the old value might be non existent
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390 try:
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391 old_value = oldvalues[key]
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392 if type(new_value) is type([]):
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393 new_value.sort()
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394 old_value.sort()
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395 if new_value != old_value:
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396 changed[key] = old_value
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diff changeset
397 except:
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398 changed[key] = new_value
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399
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diff changeset
400 # list the changes
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401 m = []
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402 l = changed.items()
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403 l.sort()
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404 for propname, oldvalue in l:
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405 prop = props[propname]
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406 value = cl.get(nodeid, propname, None)
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407 if isinstance(prop, hyperdb.Link):
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408 link = self.db.classes[prop.classname]
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409 key = link.labelprop(default_to_id=1)
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diff changeset
410 if key:
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diff changeset
411 if value:
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412 value = link.get(value, key)
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diff changeset
413 else:
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414 value = ''
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415 if oldvalue:
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416 oldvalue = link.get(oldvalue, key)
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417 else:
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418 oldvalue = ''
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419 change = '%s -> %s'%(oldvalue, value)
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420 elif isinstance(prop, hyperdb.Multilink):
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421 change = ''
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422 if value is None: value = []
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423 if oldvalue is None: oldvalue = []
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424 l = []
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425 link = self.db.classes[prop.classname]
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426 key = link.labelprop(default_to_id=1)
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427 # check for additions
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428 for entry in value:
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429 if entry in oldvalue: continue
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430 if key:
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431 l.append(link.get(entry, key))
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432 else:
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433 l.append(entry)
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434 if l:
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435 l.sort()
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436 change = '+%s'%(', '.join(l))
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437 l = []
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438 # check for removals
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439 for entry in oldvalue:
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440 if entry in value: continue
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Richard Jones <richard@users.sourceforge.net>
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441 if key:
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442 l.append(link.get(entry, key))
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Richard Jones <richard@users.sourceforge.net>
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443 else:
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444 l.append(entry)
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445 if l:
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446 l.sort()
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447 change += ' -%s'%(', '.join(l))
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448 else:
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449 change = '%s -> %s'%(oldvalue, value)
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450 m.append('%s: %s'%(propname, change))
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451 if m:
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452 m.insert(0, '----------')
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453 m.insert(0, '')
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454 return '\n'.join(m)
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455
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456 # vim: set filetype=python ts=4 sw=4 et si
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