Mercurial > libervia-backend

annotate sat/plugins/plugin_exp_list_of_interest.py @ 2914:25f14fbd364e

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core: added getNamespace method to retrieve a namespace from short name.
author Goffi <goffi@goffi.org>
date Sun, 14 Apr 2019 08:21:51 +0200
parents 672e6be3290f
children 47df940738a7
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
2912
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1 #!/usr/bin/env python2
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2 # -*- coding: utf-8 -*-
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3
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4 # SAT plugin to detect language (experimental)
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5 # Copyright (C) 2009-2019 Jérôme Poisson (goffi@goffi.org)
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6
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7 # This program is free software: you can redistribute it and/or modify
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8 # it under the terms of the GNU Affero General Public License as published by
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9 # the Free Software Foundation, either version 3 of the License, or
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10 # (at your option) any later version.
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11
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12 # This program is distributed in the hope that it will be useful,
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13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 # GNU Affero General Public License for more details.
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16
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17 # You should have received a copy of the GNU Affero General Public License
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18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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19
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20 from sat.core.i18n import _
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21 from sat.core.constants import Const as C
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22 from sat.core.log import getLogger
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23 from wokkel import disco, iwokkel, pubsub
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24 from zope.interface import implements
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25 from twisted.internet import defer
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26 from twisted.words.protocols.jabber import error as jabber_error
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27 from twisted.words.protocols.jabber.xmlstream import XMPPHandler
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28 from twisted.words.xish import domish
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29
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30 log = getLogger(__name__)
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31
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32
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33 PLUGIN_INFO = {
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34 C.PI_NAME: "List of Interest",
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35 C.PI_IMPORT_NAME: "LIST_INTEREST",
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36 C.PI_TYPE: "EXP",
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37 C.PI_PROTOCOLS: [],
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38 C.PI_DEPENDENCIES: [u"XEP-0060", u"XEP-0329"],
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39 C.PI_RECOMMENDATIONS: [],
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40 C.PI_MAIN: "ListInterest",
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41 C.PI_HANDLER: "yes",
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42 C.PI_DESCRIPTION: _(u"Experimental handling of interesting XMPP locations"),
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43 }
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44
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45 NS_LIST_INTEREST = "https://salut-a-toi/protocol/list-interest:0"
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46
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47
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48 class ListInterest(object):
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49 namespace = NS_LIST_INTEREST
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50
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51 def __init__(self, host):
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52 log.info(_(u"List of Interest plugin initialization"))
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53 self.host = host
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54 self._p = self.host.plugins["XEP-0060"]
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55
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56 def getHandler(self, client):
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57 return ListInterestHandler(self)
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58
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59 @defer.inlineCallbacks
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60 def createNode(self, client):
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61 try:
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62 # TODO: check auto-create, no need to create node first if available
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63 options = {self._p.OPT_ACCESS_MODEL: self._p.ACCESS_WHITELIST}
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64 yield self._p.createNode(
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65 client,
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66 client.jid.userhostJID(),
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67 nodeIdentifier=NS_LIST_INTEREST,
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68 options=options,
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69 )
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70 except jabber_error.StanzaError as e:
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71 if e.condition == u"conflict":
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72 log.debug(_(u"requested node already exists"))
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73
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74 @defer.inlineCallbacks
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75 def registerPubsub(self, client, namespace, service, node, item_id=None,
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76 creator=False, name=None, element=None):
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77 """Register an interesting element in personal list
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78
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79 @param namespace(unicode): namespace of the interest
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80 this is used as a cache, to avoid the need to retrieve the item only to get
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81 its namespace
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82 @param service(jid.JID): target pubsub service
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83 @param node(unicode): target pubsub node
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84 @param item_id(unicode, None): target pubsub id
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85 @param creator(bool): True if client's profile is the creator of the node
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86 This is used a cache, to avoid the need to retrieve affiliations
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87 @param name(unicode, None): name of the interest
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88 @param element(domish.Element, None): element to attach
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89 may be used to cache some extra data
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90 """
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91 yield self.createNode(client)
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92 interest_elt = domish.Element((NS_LIST_INTEREST, u"interest"))
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93 interest_elt[u"namespace"] = namespace
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94 if name is not None:
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95 interest_elt[u'name'] = name
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96 pubsub_elt = interest_elt.addElement(u"pubsub")
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97 pubsub_elt[u"service"] = service.full()
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98 pubsub_elt[u"node"] = node
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99 if item_id is not None:
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100 pubsub_elt[u"item"] = item_id
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101 if creator:
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102 pubsub_elt[u"creator"] = C.BOOL_TRUE
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103 if element is not None:
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104 pubsub_elt.addChild(element)
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105 item_elt = pubsub.Item(payload=interest_elt)
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106 yield self._p.publish(
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107 client, client.jid.userhostJID(), NS_LIST_INTEREST, items=[item_elt]
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108 )
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109
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110 @defer.inlineCallbacks
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111 def registerFileSharing(
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112 self, client, service, repos_type=None, namespace=None, path=None, name=None):
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113 """Register an interesting file repository in personal list
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114
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115 @param service(jid.JID): service of the file repository
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116 @param repos_type(unicode): type of the repository
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117 @param namespace(unicode, None): namespace of the repository
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118 @param path(unicode, None): path of the repository
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119 @param name(unicode, None): name of the repository
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120 """
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121 yield self.createNode(client)
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122 interest_elt = domish.Element((NS_LIST_INTEREST, u"interest"))
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123 interest_elt[u"namespace"] = self.host.getNamespace(u"fis")
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124 if name is not None:
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125 interest_elt[u'name'] = name
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126 file_sharing_elt = interest_elt.addElement(u"file_sharing")
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127 file_sharing_elt[u"service"] = service.full()
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128 if repos_type is not None:
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129 file_sharing_elt[u"type"] = repos_type
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130 if namespace is not None:
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131 file_sharing_elt[u"namespace"] = namespace
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132 if path is not None:
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133 file_sharing_elt[u"path"] = path
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134 item_elt = pubsub.Item(payload=interest_elt)
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135 yield self._p.publish(
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136 client, client.jid.userhostJID(), NS_LIST_INTEREST, items=[item_elt]
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137 )
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138
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139 @defer.inlineCallbacks
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140 def listInterests(self, client, service=None, node=None, namespace=None):
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141 """Retrieve list of interests
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142
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143 @param service(jid.JID, None): service to use
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144 None to use own PEP
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145 @param node(unicode, None): node to use
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146 None to use default node
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147 @param namespace(unicode, None): filter interests of this namespace
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148 None to retrieve all interests
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149 @return: same as [XEP_0060.getItems]
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150 """
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151 # TODO: if a MAM filter were available, it would improve performances
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152 if not node:
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153 node = NS_LIST_INTEREST
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154 items, metadata = yield self._p.getItems(client, service, node)
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155 if namespace is not None:
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156 filtered_items = []
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157 for item in items:
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158 try:
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159 interest_elt = next(item.elements(NS_LIST_INTEREST, u"interest"))
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160 except StopIteration:
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161 log.warning(_(u"Missing interest element: {xml}").format(
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162 xml=interest_elt.toXml()))
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163 continue
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164 if interest_elt.getAttribute(u"namespace") == namespace:
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165 filtered_items.append(item)
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166 items = filtered_items
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167
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168 defer.returnValue((items, metadata))
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169
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170
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171 class ListInterestHandler(XMPPHandler):
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172 implements(iwokkel.IDisco)
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173
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174 def __init__(self, plugin_parent):
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175 self.plugin_parent = plugin_parent
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176
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177 def getDiscoInfo(self, requestor, target, nodeIdentifier=""):
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178 return [
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179 disco.DiscoFeature(NS_LIST_INTEREST),
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180 ]
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181
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182 def getDiscoItems(self, requestor, target, nodeIdentifier=""):
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183 return []