Mercurial > libervia-backend

annotate sat/plugins/plugin_exp_list_of_interest.py @ 3249:f16c96c7a91a

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core (xmpp): helper method to launch a plugin method: the `p` client method can be used to launch a method for a plugin, with a default value if the plugin is not available (or an Exception to raise).
author Goffi <goffi@goffi.org>
date Fri, 03 Apr 2020 18:02:31 +0200
parents 559a625a236b
children 0c3b7ee2628f
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #!/usr/bin/env python3
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2
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3
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4 # SAT plugin to detect language (experimental)
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5 # Copyright (C) 2009-2020 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 implementer
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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, jid
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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: ["XEP-0060", "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: _("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(_("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 host.bridge.addMethod(
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56 "interestsList",
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57 ".plugin",
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58 in_sign="ssss",
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59 out_sign="aa{ss}",
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60 method=self._listInterests,
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61 async_=True,
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62 )
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63
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64 def getHandler(self, client):
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65 return ListInterestHandler(self)
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66
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67 @defer.inlineCallbacks
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68 def createNode(self, client):
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69 try:
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70 # TODO: check auto-create, no need to create node first if available
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71 options = {self._p.OPT_ACCESS_MODEL: self._p.ACCESS_WHITELIST}
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72 yield self._p.createNode(
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73 client,
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74 client.jid.userhostJID(),
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75 nodeIdentifier=NS_LIST_INTEREST,
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76 options=options,
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77 )
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78 except jabber_error.StanzaError as e:
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79 if e.condition == "conflict":
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80 log.debug(_("requested node already exists"))
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81
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82 @defer.inlineCallbacks
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83 def registerPubsub(self, client, namespace, service, node, item_id=None,
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84 creator=False, name=None, element=None, extra=None):
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85 """Register an interesting element in personal list
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86
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87 @param namespace(unicode): namespace of the interest
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88 this is used as a cache, to avoid the need to retrieve the item only to get
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89 its namespace
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90 @param service(jid.JID): target pubsub service
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91 @param node(unicode): target pubsub node
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92 @param item_id(unicode, None): target pubsub id
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93 @param creator(bool): True if client's profile is the creator of the node
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94 This is used a cache, to avoid the need to retrieve affiliations
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95 @param name(unicode, None): name of the interest
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96 @param element(domish.Element, None): element to attach
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97 may be used to cache some extra data
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98 @param extra(dict, None): extra data, key can be:
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99 - thumb_url: http(s) URL of a thumbnail
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100 """
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101 if extra is None:
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102 extra = {}
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103 yield self.createNode(client)
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104 interest_elt = domish.Element((NS_LIST_INTEREST, "interest"))
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105 interest_elt["namespace"] = namespace
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106 if name is not None:
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107 interest_elt['name'] = name
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108 thumb_url = extra.get('thumb_url')
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109 if thumb_url:
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110 interest_elt['thumb_url'] = thumb_url
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111 pubsub_elt = interest_elt.addElement("pubsub")
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112 pubsub_elt["service"] = service.full()
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113 pubsub_elt["node"] = node
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114 if item_id is not None:
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115 pubsub_elt["item"] = item_id
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116 if creator:
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117 pubsub_elt["creator"] = C.BOOL_TRUE
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118 if element is not None:
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119 pubsub_elt.addChild(element)
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120 item_elt = pubsub.Item(payload=interest_elt)
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121 yield self._p.publish(
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122 client, client.jid.userhostJID(), NS_LIST_INTEREST, items=[item_elt]
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123 )
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124
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125 @defer.inlineCallbacks
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126 def registerFileSharing(
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127 self, client, service, repos_type=None, namespace=None, path=None, name=None,
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128 extra=None):
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129 """Register an interesting file repository in personal list
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130
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131 @param service(jid.JID): service of the file repository
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132 @param repos_type(unicode): type of the repository
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133 @param namespace(unicode, None): namespace of the repository
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134 @param path(unicode, None): path of the repository
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135 @param name(unicode, None): name of the repository
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136 @param extra(dict, None): as ad for [registerPubsub]
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137 """
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138 if extra is None:
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139 extra = {}
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140 yield self.createNode(client)
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141 interest_elt = domish.Element((NS_LIST_INTEREST, "interest"))
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142 interest_elt["namespace"] = self.host.getNamespace("fis")
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143 if name is not None:
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144 interest_elt['name'] = name
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145 thumb_url = extra.get('thumb_url')
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146 if thumb_url:
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147 interest_elt['thumb_url'] = thumb_url
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148 file_sharing_elt = interest_elt.addElement("file_sharing")
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149 file_sharing_elt["service"] = service.full()
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150 if repos_type is not None:
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151 file_sharing_elt["type"] = repos_type
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152 if namespace is not None:
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153 file_sharing_elt["namespace"] = namespace
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154 if path is not None:
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155 file_sharing_elt["path"] = path
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156 item_elt = pubsub.Item(payload=interest_elt)
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157 yield self._p.publish(
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158 client, client.jid.userhostJID(), NS_LIST_INTEREST, items=[item_elt]
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159 )
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160
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161 def _listInterestsSerialise(self, interests_data):
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162 interests = []
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163 for item_elt in interests_data[0]:
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164 interest_data = {}
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165 interest_elt = item_elt.interest
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166 if interest_elt.hasAttribute('namespace'):
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167 interest_data['namespace'] = interest_elt.getAttribute('namespace')
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168 if interest_elt.hasAttribute('name'):
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169 interest_data['name'] = interest_elt.getAttribute('name')
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170 if interest_elt.hasAttribute('thumb_url'):
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171 interest_data['thumb_url'] = interest_elt.getAttribute('thumb_url')
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172 elt = interest_elt.firstChildElement()
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173 if elt.uri != NS_LIST_INTEREST:
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174 log.warning("unexpected child element, ignoring: {xml}".format(
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175 xml = elt.toXml()))
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176 continue
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177 if elt.name == 'pubsub':
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178 interest_data.update({
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179 "type": "pubsub",
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180 "service": elt['service'],
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181 "node": elt['node'],
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182 })
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183 for attr in ('item', 'creator'):
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184 if elt.hasAttribute(attr):
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185 interest_data[attr] = elt[attr]
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186 elif elt.name == 'file_sharing':
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187 interest_data.update({
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188 "type": "file_sharing",
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189 "service": elt['service'],
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190 })
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191 if elt.hasAttribute('type'):
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192 interest_data['subtype'] = elt['type']
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193 for attr in ('namespace', 'path'):
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194 if elt.hasAttribute(attr):
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195 interest_data[attr] = elt[attr]
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196 else:
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197 log.warning("unknown element, ignoring: {xml}".format(xml=elt.toXml()))
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198 continue
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199 interests.append(interest_data)
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200
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201 return interests
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202
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203 def _listInterests(self, service, node, namespace, profile):
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204 service = jid.JID(service) if service else None
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205 node = node or None
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206 namespace = namespace or None
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207 client = self.host.getClient(profile)
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208 d = self.listInterests(client, service, node, namespace)
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209 d.addCallback(self._listInterestsSerialise)
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210 return d
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211
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212 @defer.inlineCallbacks
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213 def listInterests(self, client, service=None, node=None, namespace=None):
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214 """Retrieve list of interests
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215
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216 @param service(jid.JID, None): service to use
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217 None to use own PEP
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218 @param node(unicode, None): node to use
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219 None to use default node
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220 @param namespace(unicode, None): filter interests of this namespace
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221 None to retrieve all interests
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222 @return: same as [XEP_0060.getItems]
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223 """
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224 # TODO: if a MAM filter were available, it would improve performances
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225 if not node:
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226 node = NS_LIST_INTEREST
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227 items, metadata = yield self._p.getItems(client, service, node)
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228 if namespace is not None:
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229 filtered_items = []
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230 for item in items:
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231 try:
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232 interest_elt = next(item.elements(NS_LIST_INTEREST, "interest"))
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233 except StopIteration:
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234 log.warning(_("Missing interest element: {xml}").format(
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235 xml=interest_elt.toXml()))
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236 continue
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237 if interest_elt.getAttribute("namespace") == namespace:
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238 filtered_items.append(item)
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239 items = filtered_items
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240
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241 defer.returnValue((items, metadata))
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242
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243
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244 @implementer(iwokkel.IDisco)
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245 class ListInterestHandler(XMPPHandler):
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246
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247 def __init__(self, plugin_parent):
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248 self.plugin_parent = plugin_parent
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249
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250 def getDiscoInfo(self, requestor, target, nodeIdentifier=""):
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251 return [
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252 disco.DiscoFeature(NS_LIST_INTEREST),
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253 ]
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254
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255 def getDiscoItems(self, requestor, target, nodeIdentifier=""):
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256 return []