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annotate src/tmp/wokkel/rsm.py @ 1422:be1fccf4854d

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tmp (wokkel): licenses fixes: the licenses headers were wrong, it was fixed: original work from Adrien Cossa is directly under AGPL v3 (with his agreement), work derivated from Wokkel is sublicensed to AGPL v3 as allowed by the original license, to stay consistent with the rest of the code base. Theses files (and only these ones) can be relicensed again to fill Wokkel license if Ralph plan to merge them upstream...
author Goffi <goffi@goffi.org>
date Thu, 23 Apr 2015 10:57:40 +0200
parents be2df1ddea8e
children 882e5fabf68c
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 # -*- test-case-name: wokkel.test.test_rsm -*-
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2 #
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3 # SàT Wokkel extension for Result Set Management (XEP-0059)
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4 # Copyright (C) 2015 Adien Cossa (souliane@mailoo.org)
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5
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6 # This program is free software: you can redistribute it and/or modify
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7 # it under the terms of the GNU Affero General Public License as published by
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8 # the Free Software Foundation, either version 3 of the License, or
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9 # (at your option) any later version.
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10
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11 # This program is distributed in the hope that it will be useful,
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12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 # GNU Affero General Public License for more details.
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15
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16 # You should have received a copy of the GNU Affero General Public License
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17 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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18
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19 """
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20 XMPP Result Set Management protocol.
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21
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22 This protocol is specified in
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23 U{XEP-0059<http://xmpp.org/extensions/xep-0059.html>}.
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24 """
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25
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26 from twisted.words.xish import domish
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27
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28 import pubsub
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29 import copy
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30
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31
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32 # RSM namespace
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33 NS_RSM = 'http://jabber.org/protocol/rsm'
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34
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35
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36 class RSMError(Exception):
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37 """
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38 RSM error.
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39 """
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40
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41
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42 class RSMNotFoundError(Exception):
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43 """
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44 An expected RSM element has not been found.
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45 """
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46
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47
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48 class RSMRequest():
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49 """
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50 A Result Set Management request.
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51
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52 @ivar max_: limit on the number of retrieved items.
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53 @itype max_: C{int} or C{unicode}
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54
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55 @ivar index: starting index of the requested page.
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56 @itype index: C{int} or C{unicode}
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57
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58 @ivar after: ID of the element immediately preceding the page.
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59 @itype after: C{unicode}
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60
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61 @ivar before: ID of the element immediately following the page.
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62 @itype before: C{unicode}
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63 """
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64
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65 max_ = 10
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66 index = None
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67 after = None
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68 before = None
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69
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70 def __init__(self, max_=None, index=None, after=None, before=None):
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71 if max_ is not None:
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72 max_ = int(max_)
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73 assert max_ >= 0
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74 self.max_ = max_
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75
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76 if index is not None:
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77 assert after is None and before is None
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78 index = int(index)
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79 assert index >= 0
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80 self.index = index
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81
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82 if after is not None:
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83 assert before is None
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84 assert isinstance(after, unicode)
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85 self.after = after
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86
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87 if before is not None:
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88 assert isinstance(before, unicode)
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89 self.before = before
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90
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91 @classmethod
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92 def parse(cls, element):
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93 """Parse the given request element.
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94
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95 @param element: request containing a set element.
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96 @type element: L{domish.Element}
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97
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98 @return: RSMRequest instance.
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99 @rtype: L{RSMRequest}
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100 """
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101 try:
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102 set_elt = domish.generateElementsQNamed(element.elements(),
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103 name="set",
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104 uri=NS_RSM).next()
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105 except StopIteration:
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106 raise RSMNotFoundError()
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107
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108 request = RSMRequest()
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109 for elt in list(set_elt.elements()):
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110 if elt.name in ('before', 'after'):
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111 setattr(request, elt.name, ''.join(elt.children))
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112 elif elt.name in ('max', 'index'):
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113 setattr(request, elt.name, int(''.join(elt.children)))
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114
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115 if request.max_ is None:
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116 raise RSMError("RSM request is missing its 'max_' element")
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117
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118 return request
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119
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120 def toElement(self):
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121 """
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122 Return the DOM representation of this RSM request.
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123
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124 @rtype: L{domish.Element}
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125 """
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
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126 set_elt = domish.Element((NS_RSM, 'set'))
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127 set_elt.addElement('max').addContent(unicode(self.max_))
1266
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128
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souliane <souliane@mailoo.org>
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129 if self.index is not None:
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130 set_elt.addElement('index').addContent(unicode(self.index))
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131
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
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diff changeset
132 if self.before is not None:
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souliane <souliane@mailoo.org>
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diff changeset
133 if self.before == '': # request the last page
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souliane <souliane@mailoo.org>
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134 set_elt.addElement('before')
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souliane <souliane@mailoo.org>
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135 else:
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
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diff changeset
136 set_elt.addElement('before').addContent(self.before)
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souliane <souliane@mailoo.org>
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137
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souliane <souliane@mailoo.org>
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diff changeset
138 if self.after is not None:
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
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diff changeset
139 set_elt.addElement('after').addContent(self.after)
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140
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141 return set_elt
7d9ff14a2d9d tmp: update tmp.wokkel.rsm, add tmp.wokkel.mam
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142
7d9ff14a2d9d tmp: update tmp.wokkel.rsm, add tmp.wokkel.mam
souliane <souliane@mailoo.org>
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diff changeset
143 def render(self, element):
7d9ff14a2d9d tmp: update tmp.wokkel.rsm, add tmp.wokkel.mam
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144 """Embed the DOM representation of this RSM request in the given element.
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145
7d9ff14a2d9d tmp: update tmp.wokkel.rsm, add tmp.wokkel.mam
souliane <souliane@mailoo.org>
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diff changeset
146 @param element: Element to contain the RSM request.
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147 @type element: L{domish.Element}
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148
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souliane <souliane@mailoo.org>
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149 @return: RSM request element.
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150 @rtype: L{domish.Element}
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151 """
7d9ff14a2d9d tmp: update tmp.wokkel.rsm, add tmp.wokkel.mam
souliane <souliane@mailoo.org>
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152 if element.name == 'pubsub' and hasattr(element, 'items'):
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153 element.items.attributes['max_items'] = unicode(self.max_)
1283
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154
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souliane <souliane@mailoo.org>
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diff changeset
155 set_elt = self.toElement()
7d9ff14a2d9d tmp: update tmp.wokkel.rsm, add tmp.wokkel.mam
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diff changeset
156 element.addChild(set_elt)
1266
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157
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
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158 return set_elt
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159
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
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160
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
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diff changeset
161 class RSMResponse():
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souliane <souliane@mailoo.org>
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162 """
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souliane <souliane@mailoo.org>
parents:
diff changeset
163 A Result Set Management response.
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souliane <souliane@mailoo.org>
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164
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souliane <souliane@mailoo.org>
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165 @ivar count: total number of items.
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166 @itype count: C{int}
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167
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
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diff changeset
168 @ivar index: starting index of the returned page.
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souliane <souliane@mailoo.org>
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169 @itype index: C{int}
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170
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souliane <souliane@mailoo.org>
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diff changeset
171 @ivar first: ID of the first element of the returned page.
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
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172 @itype first: C{unicode}
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
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diff changeset
173
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
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diff changeset
174 @ivar last: ID of the last element of the returned page.
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
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175 @itype last: C{unicode}
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
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diff changeset
176 """
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
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177
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
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diff changeset
178 count = 0
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souliane <souliane@mailoo.org>
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diff changeset
179 index = None
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
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diff changeset
180 first = None
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
181 last = None
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
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diff changeset
182
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
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diff changeset
183 def __init__(self, count=None, index=None, first=None, last=None):
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
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184 if count is not None:
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185 assert isinstance(count, int) and count >= 0
1266
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souliane <souliane@mailoo.org>
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diff changeset
186 self.count = count
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
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187
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
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diff changeset
188 if index is not None:
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diff changeset
189 assert isinstance(index, int) and index >= 0
1266
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
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diff changeset
190 self.index = index
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diff changeset
191 assert isinstance(first, unicode)
1266
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
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diff changeset
192 self.first = first
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diff changeset
193 assert isinstance(last, unicode)
1266
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souliane <souliane@mailoo.org>
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diff changeset
194 self.last = last
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
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195 else:
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diff changeset
196 assert first is None and last is None
1266
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souliane <souliane@mailoo.org>
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197
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
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diff changeset
198 @classmethod
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
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diff changeset
199 def parse(cls, element):
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
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200 """Parse the given response element.
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souliane <souliane@mailoo.org>
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201
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
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diff changeset
202 @param element: response element.
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
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diff changeset
203 @type element: L{domish.Element}
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204
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
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diff changeset
205 @return: RSMResponse instance.
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
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diff changeset
206 @rtype: L{RSMResponse}
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
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diff changeset
207 """
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
208 try:
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
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diff changeset
209 set_elt = domish.generateElementsQNamed(element.elements(),
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
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diff changeset
210 name="set",
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
211 uri=NS_RSM).next()
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
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diff changeset
212 except StopIteration:
1283
7d9ff14a2d9d tmp: update tmp.wokkel.rsm, add tmp.wokkel.mam
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diff changeset
213 return RSMNotFoundError()
1266
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souliane <souliane@mailoo.org>
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diff changeset
214
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
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diff changeset
215 response = RSMResponse()
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
216 for elt in list(set_elt.elements()):
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
217 if elt.name in ('first', 'last'):
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
218 setattr(response, elt.name, ''.join(elt.children))
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
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diff changeset
219 if elt.name == 'first':
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
220 response.index = int(elt.getAttribute("index"))
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
221 elif elt.name == 'count':
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
222 response.count = int(''.join(elt.children))
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parents:
diff changeset
223
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
224 if response.count is None:
1283
7d9ff14a2d9d tmp: update tmp.wokkel.rsm, add tmp.wokkel.mam
souliane <souliane@mailoo.org>
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diff changeset
225 raise RSMError("RSM response is missing its 'count' element")
1266
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
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diff changeset
226
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
227 return response
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
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diff changeset
228
1283
7d9ff14a2d9d tmp: update tmp.wokkel.rsm, add tmp.wokkel.mam
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diff changeset
229 def toElement(self):
7d9ff14a2d9d tmp: update tmp.wokkel.rsm, add tmp.wokkel.mam
souliane <souliane@mailoo.org>
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diff changeset
230 """
7d9ff14a2d9d tmp: update tmp.wokkel.rsm, add tmp.wokkel.mam
souliane <souliane@mailoo.org>
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diff changeset
231 Return the DOM representation of this RSM request.
1266
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
232
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
233 @rtype: L{domish.Element}
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
234 """
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
235 set_elt = domish.Element((NS_RSM, 'set'))
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
236 set_elt.addElement('count').addContent(unicode(self.count))
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
237
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
238 if self.index is not None:
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
239 first_elt = set_elt.addElement('first')
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
240 first_elt.addContent(self.first)
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
241 first_elt['index'] = unicode(self.index)
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
242
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
243 set_elt.addElement('last').addContent(self.last)
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
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diff changeset
244
1283
7d9ff14a2d9d tmp: update tmp.wokkel.rsm, add tmp.wokkel.mam
souliane <souliane@mailoo.org>
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diff changeset
245 return set_elt
7d9ff14a2d9d tmp: update tmp.wokkel.rsm, add tmp.wokkel.mam
souliane <souliane@mailoo.org>
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diff changeset
246
7d9ff14a2d9d tmp: update tmp.wokkel.rsm, add tmp.wokkel.mam
souliane <souliane@mailoo.org>
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diff changeset
247 def render(self, element):
7d9ff14a2d9d tmp: update tmp.wokkel.rsm, add tmp.wokkel.mam
souliane <souliane@mailoo.org>
parents: 1266
diff changeset
248 """Embed the DOM representation of this RSM response in the given element.
1266
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souliane <souliane@mailoo.org>
parents:
diff changeset
249
1283
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souliane <souliane@mailoo.org>
parents: 1266
diff changeset
250 @param element: Element to contain the RSM response.
7d9ff14a2d9d tmp: update tmp.wokkel.rsm, add tmp.wokkel.mam
souliane <souliane@mailoo.org>
parents: 1266
diff changeset
251 @type element: L{domish.Element}
7d9ff14a2d9d tmp: update tmp.wokkel.rsm, add tmp.wokkel.mam
souliane <souliane@mailoo.org>
parents: 1266
diff changeset
252
7d9ff14a2d9d tmp: update tmp.wokkel.rsm, add tmp.wokkel.mam
souliane <souliane@mailoo.org>
parents: 1266
diff changeset
253 @return: RSM request element.
7d9ff14a2d9d tmp: update tmp.wokkel.rsm, add tmp.wokkel.mam
souliane <souliane@mailoo.org>
parents: 1266
diff changeset
254 @rtype: L{domish.Element}
7d9ff14a2d9d tmp: update tmp.wokkel.rsm, add tmp.wokkel.mam
souliane <souliane@mailoo.org>
parents: 1266
diff changeset
255 """
7d9ff14a2d9d tmp: update tmp.wokkel.rsm, add tmp.wokkel.mam
souliane <souliane@mailoo.org>
parents: 1266
diff changeset
256 set_elt = self.toElement()
7d9ff14a2d9d tmp: update tmp.wokkel.rsm, add tmp.wokkel.mam
souliane <souliane@mailoo.org>
parents: 1266
diff changeset
257 element.addChild(set_elt)
1266
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
258 return set_elt
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
259
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
260 def toDict(self):
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
261 """Return a dict representation of the object.
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
262
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
263 @return: a dict of strings.
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
264 @rtype: C{dict} binding C{unicode} to C{unicode}
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
265 """
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
266 result = {}
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
267 for attr in ('count', 'index', 'first', 'last'):
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
268 value = getattr(self, attr)
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
269 if value is not None:
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
270 result[attr] = unicode(value)
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
271 return result
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
272
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
273
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
274 class PubSubRequest(pubsub.PubSubRequest):
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
275 """PubSubRequest extension to handle RSM.
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
276
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
277 @ivar rsm: RSM request instance.
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
278 @type rsm: L{RSMRequest}
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
279 """
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
280
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
281 rsm = None
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
282
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
283 def __init__(self, verb=None):
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
284 pubsub.PubSubRequest.__init__(self, verb)
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
285 self._parameters = copy.deepcopy(pubsub.PubSubRequest._parameters)
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
286 self._parameters['items'].append('rsm')
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
287
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
288 def _parse_rsm(self, verbElement):
1283
7d9ff14a2d9d tmp: update tmp.wokkel.rsm, add tmp.wokkel.mam
souliane <souliane@mailoo.org>
parents: 1266
diff changeset
289 try:
7d9ff14a2d9d tmp: update tmp.wokkel.rsm, add tmp.wokkel.mam
souliane <souliane@mailoo.org>
parents: 1266
diff changeset
290 self.rsm = RSMRequest.parse(verbElement.parent)
7d9ff14a2d9d tmp: update tmp.wokkel.rsm, add tmp.wokkel.mam
souliane <souliane@mailoo.org>
parents: 1266
diff changeset
291 except RSMNotFoundError:
7d9ff14a2d9d tmp: update tmp.wokkel.rsm, add tmp.wokkel.mam
souliane <souliane@mailoo.org>
parents: 1266
diff changeset
292 self.rsm = None
1266
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
293
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
294 def _render_rsm(self, verbElement):
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
295 if self.rsm:
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
296 self.rsm.render(verbElement.parent)
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
297
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
298
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
299 class PubSubClient(pubsub.PubSubClient):
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
300 """PubSubClient extension to handle RSM."""
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
301
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
302 _rsm_responses = {}
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
303
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
304 def items(self, service, nodeIdentifier, maxItems=None, itemIdentifiers=None,
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
305 subscriptionIdentifier=None, sender=None, ext_data=None):
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
306 """
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
307 Retrieve previously published items from a publish subscribe node.
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
308
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
309 @param service: The publish subscribe service that keeps the node.
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
310 @type service: L{JID<twisted.words.protocols.jabber.jid.JID>}
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
311
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
312 @param nodeIdentifier: The identifier of the node.
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
313 @type nodeIdentifier: C{unicode}
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
314
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
315 @param maxItems: Optional limit on the number of retrieved items.
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
316 @type maxItems: C{int}
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
317
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
318 @param itemIdentifiers: Identifiers of the items to be retrieved.
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
319 @type itemIdentifiers: C{set}
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
320
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
321 @param subscriptionIdentifier: Optional subscription identifier. In
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
322 case the node has been subscribed to multiple times, this narrows
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
323 the results to the specific subscription.
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
324 @type subscriptionIdentifier: C{unicode}
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
325
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
326 @param ext_data: extension data.
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
327 @type ext_data: L{dict}
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
328
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
329 @return: a Deferred that fires a C{list} of L{domish.Element}.
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
330 @rtype: L{defer.Deferred}
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
331 """
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
332 request = PubSubRequest('items') # that's a rsm.PubSubRequest instance
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
333 request.recipient = service
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
334 request.nodeIdentifier = nodeIdentifier
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
335 if maxItems:
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
336 request.maxItems = str(int(maxItems))
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
337 request.subscriptionIdentifier = subscriptionIdentifier
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
338 request.sender = sender
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
339 request.itemIdentifiers = itemIdentifiers
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
340 if ext_data and 'rsm' in ext_data:
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
341 request.rsm = ext_data['rsm']
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
342
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
343 def cb(iq):
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
344 items = []
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
345 if iq.pubsub.items:
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
346 for element in iq.pubsub.items.elements():
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
347 if element.uri == pubsub.NS_PUBSUB and element.name == 'item':
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
348 items.append(element)
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
349
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
350 if request.rsm:
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
351 response = RSMResponse.parse(iq.pubsub)
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
352 if response is not None:
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
353 self._rsm_responses[ext_data['id']] = response
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
354 return items
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
355
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
356 d = request.send(self.xmlstream)
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
357 d.addCallback(cb)
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
358 return d
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
359
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
360 def getRSMResponse(self, id):
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
361 """
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
362 Post-retrieve the RSM response data after items retrieval is done.
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
363
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
364 @param id: extension data ID
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
365 @type id: C{unicode}
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
366
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
367 @return: dict representation of the RSM response.
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
368 @rtype: C{dict} of C{unicode}
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
369 """
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
370 # This method exists to not modify the return value of self.items.
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
371 if id not in self._rsm_responses:
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
372 return {}
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
373 result = self._rsm_responses[id].toDict()
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
374 del self._rsm_responses[id]
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
375 return result
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
376
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
377
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
378 class PubSubService(pubsub.PubSubService):
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
379 """PubSubService extension to handle RSM."""
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
380
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
381 _request_class = PubSubRequest
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
382
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
383 def _toResponse_items(self, result, resource, request):
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
384 response = pubsub.PubSubService._toResponse_items(self, result,
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
385 resource, request)
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
386 set_elts = [elt for elt in result if elt.name == 'set']
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
387 if set_elts:
1419
be2df1ddea8e plugins (groupblog, xep-0277) + tmp(rsm): improved style:
Goffi <goffi@goffi.org>
parents: 1283
diff changeset
388 assert len(set_elts) == 1
1266
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
389 response.addChild(set_elts[0])
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
390
9141bde7ff31 use sat.tmp.wokkel as a buffer module until the changes are integrated to wokkel
souliane <souliane@mailoo.org>
parents:
diff changeset
391 return response