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annotate roundup/mailgw.py @ 103:381016730332

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Fixed some non-string node ids.
author Richard Jones <richard@users.sourceforge.net>
date Sat, 28 Jul 2001 00:34:34 +0000
parents c7c14960f413
children 19686b60e410
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 '''
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2 Incoming messages are examined for multiple parts. In a multipart/mixed
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3 message or part, each subpart is extracted and examined. In a
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4 multipart/alternative message or part, we look for a text/plain subpart and
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5 ignore the other parts. The text/plain subparts are assembled to form the
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6 textual body of the message, to be stored in the file associated with a
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7 "msg" class node. Any parts of other types are each stored in separate
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8 files and given "file" class nodes that are linked to the "msg" node.
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9
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10 The "summary" property on message nodes is taken from the first non-quoting
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11 section in the message body. The message body is divided into sections by
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12 blank lines. Sections where the second and all subsequent lines begin with
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13 a ">" or "|" character are considered "quoting sections". The first line of
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14 the first non-quoting section becomes the summary of the message.
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15
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16 All of the addresses in the To: and Cc: headers of the incoming message are
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17 looked up among the user nodes, and the corresponding users are placed in
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18 the "recipients" property on the new "msg" node. The address in the From:
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19 header similarly determines the "author" property of the new "msg"
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20 node. The default handling for addresses that don't have corresponding
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21 users is to create new users with no passwords and a username equal to the
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22 address. (The web interface does not permit logins for users with no
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23 passwords.) If we prefer to reject mail from outside sources, we can simply
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24 register an auditor on the "user" class that prevents the creation of user
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25 nodes with no passwords.
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26
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27 The subject line of the incoming message is examined to determine whether
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28 the message is an attempt to create a new item or to discuss an existing
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29 item. A designator enclosed in square brackets is sought as the first thing
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30 on the subject line (after skipping any "Fwd:" or "Re:" prefixes).
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31
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32 If an item designator (class name and id number) is found there, the newly
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33 created "msg" node is added to the "messages" property for that item, and
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34 any new "file" nodes are added to the "files" property for the item.
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35
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36 If just an item class name is found there, we attempt to create a new item
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37 of that class with its "messages" property initialized to contain the new
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38 "msg" node and its "files" property initialized to contain any new "file"
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39 nodes.
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40
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41 Both cases may trigger detectors (in the first case we are calling the
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42 set() method to add the message to the item's spool; in the second case we
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43 are calling the create() method to create a new node). If an auditor raises
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44 an exception, the original message is bounced back to the sender with the
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45 explanatory message given in the exception.
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46
103
381016730332 Fixed some non-string node ids.
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47 $Id: mailgw.py,v 1.3 2001-07-28 00:34:34 richard Exp $
25
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48 '''
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49
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50
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51 import string, re, os, mimetools, StringIO, smtplib, socket, binascii, quopri
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52 import traceback
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53 import date
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54
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55 def getPart(fp, boundary):
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56 line = ''
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57 s = StringIO.StringIO()
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58 while 1:
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59 line_n = fp.readline()
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60 if not line_n:
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61 break
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62 line = line_n.strip()
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63 if line == '--'+boundary+'--':
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64 break
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65 if line == '--'+boundary:
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66 break
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67 s.write(line_n)
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68 if not s.getvalue().strip():
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69 return None
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70 return s
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71
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72 subject_re = re.compile(r'(\[?(fwd|re):\s*)*'
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73 r'(\[(?P<classname>[^\d]+)(?P<nodeid>\d+)?\])'
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74 r'(?P<title>[^\[]+)(\[(?P<args>.+?)\])?', re.I)
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75
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76 class MailGW:
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77 def __init__(self, db):
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78 self.db = db
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79
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80 def main(self, fp):
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81 # ok, figure the subject, author, recipients and content-type
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82 message = mimetools.Message(fp)
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83 try:
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84 self.handle_message(message)
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85 except:
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86 # bounce the message back to the sender with the error message
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87 sendto = [message.getaddrlist('from')[0][1]]
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88 m = ['Subject: failed issue tracker submission']
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89 m.append('')
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90 # TODO as attachments?
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91 m.append('---- traceback of failure ----')
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92 s = StringIO.StringIO()
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93 import traceback
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94 traceback.print_exc(None, s)
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95 m.append(s.getvalue())
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96 m.append('---- failed message follows ----')
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97 try:
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98 fp.seek(0)
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99 except:
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100 pass
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101 m.append(fp.read())
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102 try:
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103 smtp = smtplib.SMTP(self.MAILHOST)
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104 smtp.sendmail(self.ADMIN_EMAIL, sendto, '\n'.join(m))
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105 except socket.error, value:
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106 return "Couldn't send confirmation email: mailhost %s"%value
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107 except smtplib.SMTPException, value:
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108 return "Couldn't send confirmation email: %s"%value
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109
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110 def handle_message(self, message):
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111 # handle the subject line
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112 m = subject_re.match(message.getheader('subject'))
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113 if not m:
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114 raise ValueError, 'No [designator] found in subject "%s"'
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115 classname = m.group('classname')
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116 nodeid = m.group('nodeid')
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117 title = m.group('title').strip()
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118 subject_args = m.group('args')
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119 cl = self.db.getclass(classname)
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120 properties = cl.getprops()
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121 props = {}
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122 args = m.group('args')
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123 if args:
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124 for prop in string.split(m.group('args'), ';'):
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125 try:
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126 key, value = prop.split('=')
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127 except ValueError, message:
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128 raise ValueError, 'Args list not of form [arg=value,value,...;arg=value,value,value..] (specific exception message was "%s")'%message
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129 type = properties[key]
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130 if type.isStringType:
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131 props[key] = value
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132 elif type.isDateType:
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133 props[key] = date.Date(value)
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134 elif type.isIntervalType:
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135 props[key] = date.Interval(value)
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136 elif type.isLinkType:
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137 props[key] = value
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138 elif type.isMultilinkType:
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139 props[key] = value.split(',')
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140
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141 # handle the users
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142 author = self.db.uidFromAddress(message.getaddrlist('from')[0])
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143 recipients = []
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144 for recipient in message.getaddrlist('to') + message.getaddrlist('cc'):
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145 if recipient[1].strip().lower() == self.ISSUE_TRACKER_EMAIL:
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146 continue
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147 recipients.append(self.db.uidFromAddress(recipient))
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148
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149 # now handle the body - find the message
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150 content_type = message.gettype()
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151 attachments = []
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152 if content_type == 'multipart/mixed':
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153 boundary = message.getparam('boundary')
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154 # skip over the intro to the first boundary
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155 part = getPart(message.fp, boundary)
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156 content = None
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157 while 1:
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158 # get the next part
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159 part = getPart(message.fp, boundary)
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160 if part is None:
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161 break
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162 # parse it
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163 part.seek(0)
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164 submessage = mimetools.Message(part)
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165 subtype = submessage.gettype()
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166 if subtype == 'text/plain' and not content:
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167 # this one's our content
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168 content = part.read()
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169 elif subtype == 'message/rfc822':
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170 i = part.tell()
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171 subsubmess = mimetools.Message(part)
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172 name = subsubmess.getheader('subject')
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173 part.seek(i)
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174 attachments.append((name, 'message/rfc822', part.read()))
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175 else:
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176 # try name on Content-Type
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177 name = submessage.getparam('name')
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178 # this is just an attachment
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179 data = part.read()
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180 encoding = submessage.getencoding()
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181 if encoding == 'base64':
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182 data = binascii.a2b_base64(data)
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183 elif encoding == 'quoted-printable':
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184 data = quopri.decode(data)
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185 elif encoding == 'uuencoded':
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186 data = binascii.a2b_uu(data)
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187 attachments.append((name, submessage.gettype(), data))
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188 if content is None:
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189 raise ValueError, 'No text/plain part found'
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190
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191 elif content_type[:10] == 'multipart/':
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192 boundary = message.getparam('boundary')
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193 # skip over the intro to the first boundary
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194 getPart(message.fp, boundary)
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195 content = None
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196 while 1:
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197 # get the next part
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198 part = getPart(message.fp, boundary)
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199 if part is None:
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200 break
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201 # parse it
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202 part.seek(0)
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203 submessage = mimetools.Message(part)
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204 if submessage.gettype() == 'text/plain' and not content:
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205 # this one's our content
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206 content = part.read()
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207 if content is None:
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208 raise ValueError, 'No text/plain part found'
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209
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210 elif content_type != 'text/plain':
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211 raise ValueError, 'No text/plain part found'
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212
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213 else:
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214 content = message.fp.read()
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215
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216 # extract out the summary from the message
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217 summary = []
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218 for line in content.split('\n'):
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219 line = line.strip()
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220 if summary and not line:
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diff changeset
221 break
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Richard Jones <richard@users.sourceforge.net>
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222 if not line:
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223 summary.append('')
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224 elif line[0] not in '>|':
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225 summary.append(line)
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226 summary = '\n'.join(summary)
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diff changeset
227
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228 # handle the files
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229 files = []
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230 for (name, type, data) in attachments:
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231 files.append(self.db.file.create(type=type, name=name, content=data))
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232
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233 # now handle the db stuff
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234 if nodeid:
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235 # If an item designator (class name and id number) is found there, the
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236 # newly created "msg" node is added to the "messages" property for
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237 # that item, and any new "file" nodes are added to the "files"
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238 # property for the item.
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239 message_id = self.db.msg.create(author=author, recipients=recipients,
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240 date=date.Date('.'), summary=summary, content=content,
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241 files=files)
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242 messages = cl.get(nodeid, 'messages')
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243 messages.append(message_id)
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244 props['messages'] = messages
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diff changeset
245 apply(cl.set, (nodeid, ), props)
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246 else:
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247 # If just an item class name is found there, we attempt to create a
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248 # new item of that class with its "messages" property initialized to
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249 # contain the new "msg" node and its "files" property initialized to
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diff changeset
250 # contain any new "file" nodes.
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diff changeset
251 message_id = self.db.msg.create(author=author, recipients=recipients,
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Richard Jones <richard@users.sourceforge.net>
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diff changeset
252 date=date.Date('.'), summary=summary, content=content,
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diff changeset
253 files=files)
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diff changeset
254 if not props.has_key('assignedto'):
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381016730332 Fixed some non-string node ids.
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diff changeset
255 props['assignedto'] = '1' # "admin"
25
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256 if not props.has_key('priority'):
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diff changeset
257 props['priority'] = '1' # "bug-fatal"
25
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258 if not props.has_key('status'):
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diff changeset
259 props['status'] = '1' # "unread"
25
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260 if not props.has_key('title'):
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diff changeset
261 props['title'] = title
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diff changeset
262 props['messages'] = [message_id]
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diff changeset
263 props['nosy'] = recipients[:]
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diff changeset
264 props['nosy'].append(author)
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diff changeset
265 props['nosy'].sort()
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diff changeset
266 nodeid = cl.create(**props)
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diff changeset
267
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diff changeset
268 #
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parents: 25
diff changeset
269 # $Log: not supported by cvs2svn $
103
381016730332 Fixed some non-string node ids.
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diff changeset
270 # Revision 1.2 2001/07/22 12:09:32 richard
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diff changeset
271 # Final commit of Grande Splite
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c7c14960f413 Final commit of Grande Splite
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272 #
103
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diff changeset
273 #
Roundup Issue Tracker: http://roundup-tracker.org/