annotate idavoll/backend.py @ 172:9bfb00edd0cc

Fix Backend's getNodeInfo so that it properly adds its errback. Author: ralphm. Fixes #9.
author Ralph Meijer <ralphm@ik.nu>
date Tue, 15 Jan 2008 14:00:07 +0000
parents bc269696ef42
children 79d451d186b1
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 # -*- test-case-name: idavoll.test.test_backend -*-
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2 #
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3 # Copyright (c) 2003-2008 Ralph Meijer
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4 # See LICENSE for details.
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5
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6 import uuid
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7
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8 from zope.interface import implements
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9
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10 from twisted.application import service
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11 from twisted.python import components
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12 from twisted.internet import defer
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13 from twisted.words.protocols.jabber.error import StanzaError
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14 from twisted.words.xish import utility
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15
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16 from wokkel.iwokkel import IDisco, IPubSubService
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17 from wokkel.pubsub import PubSubService, PubSubError
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18
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19 from idavoll import error, iidavoll
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20 from idavoll.iidavoll import IBackendService
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21
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22 def _get_affiliation(node, entity):
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23 d = node.get_affiliation(entity)
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24 d.addCallback(lambda affiliation: (node, affiliation))
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25 return d
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26
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28 class BackendService(service.Service, utility.EventDispatcher):
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29
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30 implements(iidavoll.IBackendService)
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31
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32 options = {"pubsub#persist_items":
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33 {"type": "boolean",
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34 "label": "Persist items to storage"},
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35 "pubsub#deliver_payloads":
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36 {"type": "boolean",
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37 "label": "Deliver payloads with event notifications"},
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38 }
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39
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40 default_config = {"pubsub#persist_items": True,
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41 "pubsub#deliver_payloads": True,
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42 }
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43
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44 def __init__(self, storage):
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45 utility.EventDispatcher.__init__(self)
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46 self.storage = storage
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47 self._callback_list = []
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48
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49 def supports_publisher_affiliation(self):
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50 return True
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51
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52 def supports_outcast_affiliation(self):
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53 return True
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54
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55 def supports_persistent_items(self):
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56 return True
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57
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58 def get_node_type(self, node_id):
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59 d = self.storage.get_node(node_id)
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60 d.addCallback(lambda node: node.get_type())
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61 return d
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63 def get_nodes(self):
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64 return self.storage.get_node_ids()
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65
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66 def get_node_meta_data(self, node_id):
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67 d = self.storage.get_node(node_id)
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68 d.addCallback(lambda node: node.get_meta_data())
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69 d.addCallback(self._make_meta_data)
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70 return d
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71
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72 def _make_meta_data(self, meta_data):
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73 options = []
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74 for key, value in meta_data.iteritems():
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75 if self.options.has_key(key):
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76 option = {"var": key}
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77 option.update(self.options[key])
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78 option["value"] = value
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79 options.append(option)
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80
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81 return options
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82
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83 def _check_auth(self, node, requestor):
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84 def check(affiliation, node):
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85 if affiliation not in ['owner', 'publisher']:
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86 raise error.Forbidden()
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87 return node
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88
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89 d = node.get_affiliation(requestor)
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90 d.addCallback(check, node)
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91 return d
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92
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93 def publish(self, node_id, items, requestor):
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94 d = self.storage.get_node(node_id)
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95 d.addCallback(self._check_auth, requestor)
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96 d.addCallback(self._do_publish, items, requestor)
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97 return d
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98
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99 def _do_publish(self, node, items, requestor):
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100 configuration = node.get_configuration()
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101 persist_items = configuration["pubsub#persist_items"]
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102 deliver_payloads = configuration["pubsub#deliver_payloads"]
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103
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104 if items and not persist_items and not deliver_payloads:
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105 raise error.ItemForbidden()
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106 elif not items and (persist_items or deliver_payloads):
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107 raise error.ItemRequired()
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108
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109 if persist_items or deliver_payloads:
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110 for item in items:
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111 if not item.getAttribute("id"):
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112 item["id"] = str(uuid.uuid4())
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113
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114 if persist_items:
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115 d = node.store_items(items, requestor)
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116 else:
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117 d = defer.succeed(None)
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118
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119 d.addCallback(self._do_notify, node.id, items, deliver_payloads)
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120 return d
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121
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122 def _do_notify(self, result, node_id, items, deliver_payloads):
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123 if items and not deliver_payloads:
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124 for item in items:
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125 item.children = []
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126
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127 self.dispatch({'items': items, 'node_id': node_id},
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128 '//event/pubsub/notify')
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129
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130 def get_notification_list(self, node_id, items):
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131 d = self.storage.get_node(node_id)
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132 d.addCallback(lambda node: node.get_subscribers())
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133 d.addCallback(self._magic_filter, node_id, items)
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134 return d
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135
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136 def _magic_filter(self, subscribers, node_id, items):
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137 list = []
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138 for subscriber in subscribers:
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139 list.append((subscriber, items))
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140 return list
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141
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142 def register_notifier(self, observerfn, *args, **kwargs):
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143 self.addObserver('//event/pubsub/notify', observerfn, *args, **kwargs)
29
d4fc29bb5381 Define interfaces of blocks of functionality.
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diff changeset
144
167
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145 def subscribe(self, node_id, subscriber, requestor):
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146 subscriber_entity = subscriber.userhostJID()
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147 if subscriber_entity != requestor:
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148 return defer.fail(error.Forbidden())
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149
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150 d = self.storage.get_node(node_id)
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151 d.addCallback(_get_affiliation, subscriber_entity)
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152 d.addCallback(self._do_subscribe, subscriber)
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153 return d
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154
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155 def _do_subscribe(self, result, subscriber):
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156 node, affiliation = result
29
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157
167
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158 if affiliation == 'outcast':
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159 raise error.Forbidden()
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160
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161 d = node.add_subscription(subscriber, 'subscribed')
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162 d.addCallback(lambda _: 'subscribed')
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163 d.addErrback(self._get_subscription, node, subscriber)
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164 d.addCallback(self._return_subscription, node.id)
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165 return d
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166
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167 def _get_subscription(self, failure, node, subscriber):
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168 failure.trap(error.SubscriptionExists)
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169 return node.get_subscription(subscriber)
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170
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171 def _return_subscription(self, result, node_id):
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172 return node_id, result
90
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173
167
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174 def unsubscribe(self, node_id, subscriber, requestor):
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175 if subscriber.userhostJID() != requestor:
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176 return defer.fail(error.Forbidden())
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diff changeset
177
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178 d = self.storage.get_node(node_id)
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179 d.addCallback(lambda node: node.remove_subscription(subscriber))
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180 return d
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181
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182 def get_subscriptions(self, entity):
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183 return self.storage.get_subscriptions(entity)
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184
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185 def supports_instant_nodes(self):
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186 return True
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187
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188 def create_node(self, node_id, requestor):
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diff changeset
189 if not node_id:
168
e2c2c2baf483 Fix use of uuid module now shipping with Python 2.5.
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diff changeset
190 node_id = 'generic/%s' % uuid.uuid4()
167
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diff changeset
191 d = self.storage.create_node(node_id, requestor)
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diff changeset
192 d.addCallback(lambda _: node_id)
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193 return d
90
59378610b16e Implement node purging and node deletion.
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194
167
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195 def get_default_configuration(self):
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196 d = defer.succeed(self.default_config)
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197 d.addCallback(self._make_config)
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198 return d
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199
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200 def get_node_configuration(self, node_id):
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diff changeset
201 if not node_id:
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diff changeset
202 raise error.NoRootNode()
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diff changeset
203
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204 d = self.storage.get_node(node_id)
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diff changeset
205 d.addCallback(lambda node: node.get_configuration())
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206
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diff changeset
207 d.addCallback(self._make_config)
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208 return d
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diff changeset
209
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diff changeset
210 def _make_config(self, config):
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diff changeset
211 options = []
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diff changeset
212 for key, value in self.options.iteritems():
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diff changeset
213 option = {"var": key}
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diff changeset
214 option.update(value)
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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diff changeset
215 if config.has_key(key):
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parents: 159
diff changeset
216 option["value"] = config[key]
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diff changeset
217 options.append(option)
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diff changeset
218
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diff changeset
219 return options
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diff changeset
220
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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diff changeset
221 def set_node_configuration(self, node_id, options, requestor):
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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diff changeset
222 if not node_id:
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diff changeset
223 raise error.NoRootNode()
90
59378610b16e Implement node purging and node deletion.
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diff changeset
224
167
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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diff changeset
225 for key, value in options.iteritems():
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diff changeset
226 if not self.options.has_key(key):
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diff changeset
227 raise error.InvalidConfigurationOption()
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diff changeset
228 if self.options[key]["type"] == 'boolean':
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diff changeset
229 try:
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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diff changeset
230 options[key] = bool(int(value))
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parents: 159
diff changeset
231 except ValueError:
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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diff changeset
232 raise error.InvalidConfigurationValue()
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diff changeset
233
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diff changeset
234 d = self.storage.get_node(node_id)
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diff changeset
235 d.addCallback(_get_affiliation, requestor)
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diff changeset
236 d.addCallback(self._do_set_node_configuration, options)
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diff changeset
237 return d
90
59378610b16e Implement node purging and node deletion.
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diff changeset
238
167
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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diff changeset
239 def _do_set_node_configuration(self, result, options):
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diff changeset
240 node, affiliation = result
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diff changeset
241
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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diff changeset
242 if affiliation != 'owner':
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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diff changeset
243 raise error.Forbidden()
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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diff changeset
244
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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diff changeset
245 return node.set_configuration(options)
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diff changeset
246
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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diff changeset
247 def get_affiliations(self, entity):
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diff changeset
248 return self.storage.get_affiliations(entity)
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diff changeset
249
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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diff changeset
250 def get_items(self, node_id, requestor, max_items=None, item_ids=[]):
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parents: 159
diff changeset
251 d = self.storage.get_node(node_id)
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parents: 159
diff changeset
252 d.addCallback(_get_affiliation, requestor)
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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diff changeset
253 d.addCallback(self._do_get_items, max_items, item_ids)
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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parents: 159
diff changeset
254 return d
90
59378610b16e Implement node purging and node deletion.
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255
167
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256 def _do_get_items(self, result, max_items, item_ids):
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257 node, affiliation = result
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258
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259 if affiliation == 'outcast':
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260 raise error.Forbidden()
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261
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262 if item_ids:
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263 return node.get_items_by_id(item_ids)
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264 else:
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265 return node.get_items(max_items)
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266
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267 def retract_item(self, node_id, item_ids, requestor):
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268 d = self.storage.get_node(node_id)
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269 d.addCallback(_get_affiliation, requestor)
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270 d.addCallback(self._do_retract, item_ids)
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271 return d
29
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272
167
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273 def _do_retract(self, result, item_ids):
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274 node, affiliation = result
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275 persist_items = node.get_configuration()["pubsub#persist_items"]
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276
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277 if affiliation not in ['owner', 'publisher']:
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278 raise error.Forbidden()
29
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279
167
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280 if not persist_items:
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281 raise error.NodeNotPersistent()
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282
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283 d = node.remove_items(item_ids)
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284 d.addCallback(self._do_notify_retraction, node.id)
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285 return d
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286
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287 def _do_notify_retraction(self, item_ids, node_id):
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288 self.dispatch({ 'item_ids': item_ids, 'node_id': node_id },
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289 '//event/pubsub/retract')
29
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290
167
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291 def purge_node(self, node_id, requestor):
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292 d = self.storage.get_node(node_id)
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293 d.addCallback(_get_affiliation, requestor)
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294 d.addCallback(self._do_purge)
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295 return d
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296
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297 def _do_purge(self, result):
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298 node, affiliation = result
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299 persist_items = node.get_configuration()["pubsub#persist_items"]
29
d4fc29bb5381 Define interfaces of blocks of functionality.
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300
167
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301 if affiliation != 'owner':
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302 raise error.Forbidden()
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diff changeset
303
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304 if not persist_items:
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305 raise error.NodeNotPersistent()
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diff changeset
306
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307 d = node.purge()
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308 d.addCallback(self._do_notify_purge, node.id)
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309 return d
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310
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311 def _do_notify_purge(self, result, node_id):
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312 self.dispatch(node_id, '//event/pubsub/purge')
29
d4fc29bb5381 Define interfaces of blocks of functionality.
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313
167
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314 def register_pre_delete(self, pre_delete_fn):
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315 self._callback_list.append(pre_delete_fn)
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316
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317 def get_subscribers(self, node_id):
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318 d = self.storage.get_node(node_id)
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319 d.addCallback(lambda node: node.get_subscribers())
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320 return d
29
d4fc29bb5381 Define interfaces of blocks of functionality.
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diff changeset
321
167
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322 def delete_node(self, node_id, requestor):
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323 d = self.storage.get_node(node_id)
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diff changeset
324 d.addCallback(_get_affiliation, requestor)
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325 d.addCallback(self._do_pre_delete)
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326 return d
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diff changeset
327
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diff changeset
328 def _do_pre_delete(self, result):
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329 node, affiliation = result
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diff changeset
330
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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331 if affiliation != 'owner':
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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332 raise error.Forbidden()
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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diff changeset
333
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334 d = defer.DeferredList([cb(node.id) for cb in self._callback_list],
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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diff changeset
335 consumeErrors=1)
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diff changeset
336 d.addCallback(self._do_delete, node.id)
59
0fa161c00ed9 Use jid.JIDs everywhere in the backend.
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parents: 53
diff changeset
337
167
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338 def _do_delete(self, result, node_id):
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339 dl = []
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diff changeset
340 for succeeded, r in result:
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diff changeset
341 if succeeded and r:
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diff changeset
342 dl.extend(r)
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diff changeset
343
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344 d = self.storage.delete_node(node_id)
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diff changeset
345 d.addCallback(self._do_notify_delete, dl)
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diff changeset
346
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diff changeset
347 return d
29
d4fc29bb5381 Define interfaces of blocks of functionality.
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diff changeset
348
167
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diff changeset
349 def _do_notify_delete(self, result, dl):
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diff changeset
350 for d in dl:
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diff changeset
351 d.callback(None)
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diff changeset
352
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diff changeset
353
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diff changeset
354 class PubSubServiceFromBackend(PubSubService):
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diff changeset
355 """
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diff changeset
356 Adapts a backend to an xmpp publish-subscribe service.
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diff changeset
357 """
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diff changeset
358
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diff changeset
359 implements(IDisco)
29
d4fc29bb5381 Define interfaces of blocks of functionality.
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diff changeset
360
167
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diff changeset
361 _errorMap = {
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diff changeset
362 error.NodeNotFound: ('item-not-found', None, None),
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diff changeset
363 error.NodeExists: ('conflict', None, None),
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parents: 159
diff changeset
364 error.Forbidden: ('forbidden', None, None),
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parents: 159
diff changeset
365 error.ItemForbidden: ('bad-request', 'item-forbidden', None),
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diff changeset
366 error.ItemRequired: ('bad-request', 'item-required', None),
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diff changeset
367 error.NoInstantNodes: ('not-acceptable',
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diff changeset
368 'unsupported',
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diff changeset
369 'instant-nodes'),
171
bc269696ef42 Reply with the correct error condition on subscription when not subscribed.
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parents: 169
diff changeset
370 error.NotSubscribed: ('unexpected-request', 'not-subscribed', None),
167
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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diff changeset
371 error.InvalidConfigurationOption: ('not-acceptable', None, None),
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parents: 159
diff changeset
372 error.InvalidConfigurationValue: ('not-acceptable', None, None),
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parents: 159
diff changeset
373 error.NodeNotPersistent: ('feature-not-implemented',
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parents: 159
diff changeset
374 'unsupported',
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diff changeset
375 'persistent-node'),
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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diff changeset
376 error.NoRootNode: ('bad-request', None, None),
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parents: 159
diff changeset
377 }
29
d4fc29bb5381 Define interfaces of blocks of functionality.
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diff changeset
378
167
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diff changeset
379 def __init__(self, backend):
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diff changeset
380 PubSubService.__init__(self)
29
d4fc29bb5381 Define interfaces of blocks of functionality.
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diff changeset
381
167
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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382 self.backend = backend
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383 self.hideNodes = False
153
753b8432460f Work towards JEP-0060 1.8
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diff changeset
384
167
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385 self.pubSubFeatures = self._getPubSubFeatures()
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parents: 159
diff changeset
386
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387 self.backend.register_notifier(self._notify)
153
753b8432460f Work towards JEP-0060 1.8
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diff changeset
388
167
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diff changeset
389 def _getPubSubFeatures(self):
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390 features = [
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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391 "config-node",
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392 "create-nodes",
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parents: 159
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393 "delete-any",
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Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
394 "delete-nodes",
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
395 "item-ids",
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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parents: 159
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396 "meta-data",
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397 "publish",
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parents: 159
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398 "purge-nodes",
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parents: 159
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399 "retract-items",
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400 "retrieve-affiliations",
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diff changeset
401 "retrieve-default",
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Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
402 "retrieve-items",
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Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
403 "retrieve-subscriptions",
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Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
404 "subscribe",
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parents: 159
diff changeset
405 ]
153
753b8432460f Work towards JEP-0060 1.8
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parents: 108
diff changeset
406
167
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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parents: 159
diff changeset
407 if self.backend.supports_instant_nodes():
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parents: 159
diff changeset
408 features.append("instant-nodes")
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diff changeset
409
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Ralph Meijer <ralphm@ik.nu>
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diff changeset
410 if self.backend.supports_outcast_affiliation():
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parents: 159
diff changeset
411 features.append("outcast-affiliation")
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diff changeset
412
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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diff changeset
413 if self.backend.supports_persistent_items():
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diff changeset
414 features.append("persistent-items")
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parents: 159
diff changeset
415
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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diff changeset
416 if self.backend.supports_publisher_affiliation():
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diff changeset
417 features.append("publisher-affiliation")
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418
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419 return features
29
d4fc29bb5381 Define interfaces of blocks of functionality.
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diff changeset
420
167
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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421 def _notify(self, data):
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422 items = data['items']
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423 nodeIdentifier = data['node_id']
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424 d = self.backend.get_notification_list(nodeIdentifier, items)
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425 d.addCallback(lambda notifications: self.notifyPublish(self.serviceJID,
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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diff changeset
426 nodeIdentifier,
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
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diff changeset
427 notifications))
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Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
428
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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diff changeset
429 def _mapErrors(self, failure):
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parents: 159
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430 e = failure.trap(*self._errorMap.keys())
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diff changeset
431
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diff changeset
432 condition, pubsubCondition, feature = self._errorMap[e]
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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diff changeset
433 msg = failure.value.msg
29
d4fc29bb5381 Define interfaces of blocks of functionality.
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diff changeset
434
167
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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diff changeset
435 if pubsubCondition:
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diff changeset
436 exc = PubSubError(condition, pubsubCondition, feature, msg)
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
437 else:
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diff changeset
438 exc = StanzaError(condition, text=msg)
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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parents: 159
diff changeset
439
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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diff changeset
440 raise exc
29
d4fc29bb5381 Define interfaces of blocks of functionality.
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diff changeset
441
167
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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diff changeset
442 def getNodeInfo(self, requestor, service, nodeIdentifier):
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diff changeset
443 info = {}
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diff changeset
444
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diff changeset
445 def saveType(result):
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diff changeset
446 info['type'] = result
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diff changeset
447 return nodeIdentifier
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diff changeset
448
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diff changeset
449 def saveMetaData(result):
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diff changeset
450 info['meta-data'] = result
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diff changeset
451 return info
29
d4fc29bb5381 Define interfaces of blocks of functionality.
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diff changeset
452
167
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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diff changeset
453 d = defer.succeed(nodeIdentifier)
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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parents: 159
diff changeset
454 d.addCallback(self.backend.get_node_type)
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parents: 159
diff changeset
455 d.addCallback(saveType)
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parents: 159
diff changeset
456 d.addCallback(self.backend.get_node_meta_data)
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parents: 159
diff changeset
457 d.addCallback(saveMetaData)
172
9bfb00edd0cc Fix Backend's getNodeInfo so that it properly adds its errback.
Ralph Meijer <ralphm@ik.nu>
parents: 171
diff changeset
458 d.addErrback(self._mapErrors)
167
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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parents: 159
diff changeset
459 return d
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
460
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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parents: 159
diff changeset
461 def getNodes(self, requestor, service):
169
96afb248df5e Fix typos in service creation. Make disco not respond when a resource is provided.
Ralph Meijer <ralphm@ik.nu>
parents: 168
diff changeset
462 if service.resource:
96afb248df5e Fix typos in service creation. Make disco not respond when a resource is provided.
Ralph Meijer <ralphm@ik.nu>
parents: 168
diff changeset
463 return defer.succeed([])
167
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
464 d = self.backend.get_nodes()
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
465 return d.addErrback(self._mapErrors)
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
466
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Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
467 def publish(self, requestor, service, nodeIdentifier, items):
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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parents: 159
diff changeset
468 d = self.backend.publish(nodeIdentifier, items, requestor)
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
469 return d.addErrback(self._mapErrors)
29
d4fc29bb5381 Define interfaces of blocks of functionality.
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parents: 24
diff changeset
470
167
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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parents: 159
diff changeset
471 def subscribe(self, requestor, service, nodeIdentifier, subscriber):
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Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
472 d = self.backend.subscribe(nodeIdentifier, subscriber, requestor)
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
473 return d.addErrback(self._mapErrors)
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
474
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Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
475 def unsubscribe(self, requestor, service, nodeIdentifier, subscriber):
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
476 d = self.backend.unsubscribe(nodeIdentifier, subscriber, requestor)
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
477 return d.addErrback(self._mapErrors)
29
d4fc29bb5381 Define interfaces of blocks of functionality.
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parents: 24
diff changeset
478
167
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
479 def subscriptions(self, requestor, service):
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
480 d = self.backend.get_subscriptions(requestor)
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
481 return d.addErrback(self._mapErrors)
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
482
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Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
483 def affiliations(self, requestor, service):
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Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
484 d = self.backend.get_affiliations(requestor)
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
485 return d.addErrback(self._mapErrors)
29
d4fc29bb5381 Define interfaces of blocks of functionality.
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parents: 24
diff changeset
486
167
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
487 def create(self, requestor, service, nodeIdentifier):
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Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
488 d = self.backend.create_node(nodeIdentifier, requestor)
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
489 return d.addErrback(self._mapErrors)
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
490
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
491 def getDefaultConfiguration(self, requestor, service):
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
492 d = self.backend.get_default_configuration()
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
493 return d.addErrback(self._mapErrors)
29
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
494
167
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
495 def getConfiguration(self, requestor, service, nodeIdentifier):
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
496 d = self.backend.get_node_configuration(nodeIdentifier)
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
497 return d.addErrback(self._mapErrors)
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
498
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
499 def setConfiguration(self, requestor, service, nodeIdentifier, options):
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
500 d = self.backend.set_node_configuration(nodeIdentifier, options,
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
501 requestor)
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
502 return d.addErrback(self._mapErrors)
29
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
503
167
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
504 def items(self, requestor, service, nodeIdentifier, maxItems, itemIdentifiers):
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
505 d = self.backend.get_items(nodeIdentifier, requestor, maxItems,
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
506 itemIdentifiers)
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
507 return d.addErrback(self._mapErrors)
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
508
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
509 def retract(self, requestor, service, nodeIdentifier, itemIdentifiers):
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Ralph Meijer <ralphm@ik.nu>
parents: 159
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510 d = self.backend.retract_item(nodeIdentifier, itemIdentifiers,
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parents: 159
diff changeset
511 requestor)
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Ralph Meijer <ralphm@ik.nu>
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512 return d.addErrback(self._mapErrors)
29
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
513
167
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Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
514 def purge(self, requestor, service, nodeIdentifier):
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Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
515 d = self.backend.purge_node(nodeIdentifier, requestor)
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Ralph Meijer <ralphm@ik.nu>
parents: 159
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516 return d.addErrback(self._mapErrors)
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Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
517
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Ralph Meijer <ralphm@ik.nu>
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diff changeset
518 def delete(self, requestor, service, nodeIdentifier):
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Ralph Meijer <ralphm@ik.nu>
parents: 159
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519 d = self.backend.delete_node(nodeIdentifier, requestor)
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Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
520 return d.addErrback(self._mapErrors)
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Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
521
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Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
522 components.registerAdapter(PubSubServiceFromBackend,
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Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
523 IBackendService,
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
524 IPubSubService)