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annotate idavoll/backend.py @ 167:ef22e4150caa

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Move protocol implementations (pubsub, disco, forms) to and depend on wokkel. Author: ralphm Fixes: #4
author Ralph Meijer <ralphm@ik.nu>
date Wed, 03 Oct 2007 12:41:43 +0000
parents 6fe78048baf9
children e2c2c2baf483
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 # -*- test-case-name: idavoll.test.test_backend -*-
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2 #
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3 # Copyright (c) 2003-2007 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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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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46cd13c68ac0 Redone memory storage of nodes.
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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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884268687229 Simplify call chain by mapping incoming requests directly to method
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27 class BackendService(service.Service, utility.EventDispatcher):
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29 implements(iidavoll.IBackendService)
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30
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31 options = {"pubsub#persist_items":
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32 {"type": "boolean",
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33 "label": "Persist items to storage"},
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34 "pubsub#deliver_payloads":
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35 {"type": "boolean",
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36 "label": "Deliver payloads with event notifications"},
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37 }
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39 default_config = {"pubsub#persist_items": True,
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40 "pubsub#deliver_payloads": True,
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41 }
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43 def __init__(self, storage):
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44 utility.EventDispatcher.__init__(self)
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45 self.storage = storage
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46 self._callback_list = []
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47
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48 def supports_publisher_affiliation(self):
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49 return True
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50
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51 def supports_outcast_affiliation(self):
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52 return True
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53
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54 def supports_persistent_items(self):
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55 return True
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57 def get_node_type(self, node_id):
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58 d = self.storage.get_node(node_id)
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59 d.addCallback(lambda node: node.get_type())
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60 return d
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61
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62 def get_nodes(self):
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63 return self.storage.get_node_ids()
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64
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65 def get_node_meta_data(self, node_id):
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66 d = self.storage.get_node(node_id)
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67 d.addCallback(lambda node: node.get_meta_data())
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68 d.addCallback(self._make_meta_data)
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69 return d
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70
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71 def _make_meta_data(self, meta_data):
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72 options = []
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73 for key, value in meta_data.iteritems():
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74 if self.options.has_key(key):
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75 option = {"var": key}
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76 option.update(self.options[key])
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77 option["value"] = value
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78 options.append(option)
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79
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80 return options
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81
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82 def _check_auth(self, node, requestor):
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83 def check(affiliation, node):
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84 if affiliation not in ['owner', 'publisher']:
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85 raise error.Forbidden()
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86 return node
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87
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88 d = node.get_affiliation(requestor)
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89 d.addCallback(check, node)
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90 return d
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91
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92 def publish(self, node_id, items, requestor):
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93 d = self.storage.get_node(node_id)
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94 d.addCallback(self._check_auth, requestor)
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95 d.addCallback(self._do_publish, items, requestor)
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96 return d
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97
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98 def _do_publish(self, node, items, requestor):
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99 configuration = node.get_configuration()
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100 persist_items = configuration["pubsub#persist_items"]
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101 deliver_payloads = configuration["pubsub#deliver_payloads"]
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102
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103 if items and not persist_items and not deliver_payloads:
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104 raise error.ItemForbidden()
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105 elif not items and (persist_items or deliver_payloads):
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106 raise error.ItemRequired()
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107
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108 if persist_items or deliver_payloads:
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109 for item in items:
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110 if not item.getAttribute("id"):
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111 item["id"] = uuid.generate()
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112
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113 if persist_items:
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114 d = node.store_items(items, requestor)
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115 else:
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116 d = defer.succeed(None)
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117
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118 d.addCallback(self._do_notify, node.id, items, deliver_payloads)
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119 return d
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120
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121 def _do_notify(self, result, node_id, items, deliver_payloads):
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122 if items and not deliver_payloads:
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123 for item in items:
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124 item.children = []
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125
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126 self.dispatch({'items': items, 'node_id': node_id},
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127 '//event/pubsub/notify')
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128
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129 def get_notification_list(self, node_id, items):
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130 d = self.storage.get_node(node_id)
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131 d.addCallback(lambda node: node.get_subscribers())
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132 d.addCallback(self._magic_filter, node_id, items)
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133 return d
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134
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135 def _magic_filter(self, subscribers, node_id, items):
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136 list = []
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137 for subscriber in subscribers:
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138 list.append((subscriber, items))
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139 return list
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140
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diff changeset
141 def register_notifier(self, observerfn, *args, **kwargs):
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142 self.addObserver('//event/pubsub/notify', observerfn, *args, **kwargs)
29
d4fc29bb5381 Define interfaces of blocks of functionality.
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diff changeset
143
167
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144 def subscribe(self, node_id, subscriber, requestor):
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145 subscriber_entity = subscriber.userhostJID()
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146 if subscriber_entity != requestor:
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147 return defer.fail(error.Forbidden())
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148
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149 d = self.storage.get_node(node_id)
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150 d.addCallback(_get_affiliation, subscriber_entity)
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151 d.addCallback(self._do_subscribe, subscriber)
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152 return d
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153
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154 def _do_subscribe(self, result, subscriber):
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155 node, affiliation = result
29
d4fc29bb5381 Define interfaces of blocks of functionality.
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156
167
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157 if affiliation == 'outcast':
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158 raise error.Forbidden()
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159
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160 d = node.add_subscription(subscriber, 'subscribed')
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161 d.addCallback(lambda _: 'subscribed')
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162 d.addErrback(self._get_subscription, node, subscriber)
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163 d.addCallback(self._return_subscription, node.id)
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164 return d
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165
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166 def _get_subscription(self, failure, node, subscriber):
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167 failure.trap(error.SubscriptionExists)
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168 return node.get_subscription(subscriber)
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169
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170 def _return_subscription(self, result, node_id):
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171 return node_id, result
90
59378610b16e Implement node purging and node deletion.
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diff changeset
172
167
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diff changeset
173 def unsubscribe(self, node_id, subscriber, requestor):
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diff changeset
174 if subscriber.userhostJID() != requestor:
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diff changeset
175 return defer.fail(error.Forbidden())
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diff changeset
176
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177 d = self.storage.get_node(node_id)
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178 d.addCallback(lambda node: node.remove_subscription(subscriber))
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179 return d
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180
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181 def get_subscriptions(self, entity):
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182 return self.storage.get_subscriptions(entity)
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183
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184 def supports_instant_nodes(self):
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185 return True
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diff changeset
186
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diff changeset
187 def create_node(self, node_id, requestor):
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188 if not node_id:
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diff changeset
189 node_id = 'generic/%s' % uuid.generate()
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diff changeset
190 d = self.storage.create_node(node_id, requestor)
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diff changeset
191 d.addCallback(lambda _: node_id)
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diff changeset
192 return d
90
59378610b16e Implement node purging and node deletion.
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193
167
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diff changeset
194 def get_default_configuration(self):
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195 d = defer.succeed(self.default_config)
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196 d.addCallback(self._make_config)
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197 return d
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198
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199 def get_node_configuration(self, node_id):
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diff changeset
200 if not node_id:
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diff changeset
201 raise error.NoRootNode()
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diff changeset
202
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203 d = self.storage.get_node(node_id)
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diff changeset
204 d.addCallback(lambda node: node.get_configuration())
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diff changeset
205
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diff changeset
206 d.addCallback(self._make_config)
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diff changeset
207 return d
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diff changeset
208
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diff changeset
209 def _make_config(self, config):
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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diff changeset
210 options = []
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diff changeset
211 for key, value in self.options.iteritems():
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diff changeset
212 option = {"var": key}
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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diff changeset
213 option.update(value)
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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diff changeset
214 if config.has_key(key):
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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diff changeset
215 option["value"] = config[key]
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diff changeset
216 options.append(option)
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diff changeset
217
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diff changeset
218 return options
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diff changeset
219
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diff changeset
220 def set_node_configuration(self, node_id, options, requestor):
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diff changeset
221 if not node_id:
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diff changeset
222 raise error.NoRootNode()
90
59378610b16e Implement node purging and node deletion.
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diff changeset
223
167
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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diff changeset
224 for key, value in options.iteritems():
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diff changeset
225 if not self.options.has_key(key):
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diff changeset
226 raise error.InvalidConfigurationOption()
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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diff changeset
227 if self.options[key]["type"] == 'boolean':
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diff changeset
228 try:
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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diff changeset
229 options[key] = bool(int(value))
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parents: 159
diff changeset
230 except ValueError:
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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diff changeset
231 raise error.InvalidConfigurationValue()
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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diff changeset
232
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diff changeset
233 d = self.storage.get_node(node_id)
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diff changeset
234 d.addCallback(_get_affiliation, requestor)
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parents: 159
diff changeset
235 d.addCallback(self._do_set_node_configuration, options)
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diff changeset
236 return d
90
59378610b16e Implement node purging and node deletion.
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parents: 85
diff changeset
237
167
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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diff changeset
238 def _do_set_node_configuration(self, result, options):
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diff changeset
239 node, affiliation = result
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diff changeset
240
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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diff changeset
241 if affiliation != 'owner':
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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diff changeset
242 raise error.Forbidden()
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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diff changeset
243
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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diff changeset
244 return node.set_configuration(options)
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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diff changeset
245
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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diff changeset
246 def get_affiliations(self, entity):
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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diff changeset
247 return self.storage.get_affiliations(entity)
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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diff changeset
248
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diff changeset
249 def get_items(self, node_id, requestor, max_items=None, item_ids=[]):
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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parents: 159
diff changeset
250 d = self.storage.get_node(node_id)
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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parents: 159
diff changeset
251 d.addCallback(_get_affiliation, requestor)
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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diff changeset
252 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
253 return d
90
59378610b16e Implement node purging and node deletion.
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254
167
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255 def _do_get_items(self, result, max_items, item_ids):
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256 node, affiliation = result
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257
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258 if affiliation == 'outcast':
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259 raise error.Forbidden()
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260
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261 if item_ids:
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262 return node.get_items_by_id(item_ids)
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263 else:
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264 return node.get_items(max_items)
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265
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266 def retract_item(self, node_id, item_ids, requestor):
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267 d = self.storage.get_node(node_id)
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268 d.addCallback(_get_affiliation, requestor)
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269 d.addCallback(self._do_retract, item_ids)
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270 return d
29
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271
167
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272 def _do_retract(self, result, item_ids):
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273 node, affiliation = result
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274 persist_items = node.get_configuration()["pubsub#persist_items"]
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275
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276 if affiliation not in ['owner', 'publisher']:
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277 raise error.Forbidden()
29
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278
167
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279 if not persist_items:
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280 raise error.NodeNotPersistent()
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281
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282 d = node.remove_items(item_ids)
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283 d.addCallback(self._do_notify_retraction, node.id)
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284 return d
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285
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286 def _do_notify_retraction(self, item_ids, node_id):
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287 self.dispatch({ 'item_ids': item_ids, 'node_id': node_id },
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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288 '//event/pubsub/retract')
29
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289
167
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290 def purge_node(self, node_id, requestor):
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291 d = self.storage.get_node(node_id)
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292 d.addCallback(_get_affiliation, requestor)
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293 d.addCallback(self._do_purge)
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294 return d
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295
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296 def _do_purge(self, result):
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297 node, affiliation = result
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298 persist_items = node.get_configuration()["pubsub#persist_items"]
29
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299
167
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300 if affiliation != 'owner':
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301 raise error.Forbidden()
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302
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303 if not persist_items:
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304 raise error.NodeNotPersistent()
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diff changeset
305
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306 d = node.purge()
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307 d.addCallback(self._do_notify_purge, node.id)
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308 return d
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309
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310 def _do_notify_purge(self, result, node_id):
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311 self.dispatch(node_id, '//event/pubsub/purge')
29
d4fc29bb5381 Define interfaces of blocks of functionality.
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312
167
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313 def register_pre_delete(self, pre_delete_fn):
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314 self._callback_list.append(pre_delete_fn)
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315
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316 def get_subscribers(self, node_id):
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317 d = self.storage.get_node(node_id)
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318 d.addCallback(lambda node: node.get_subscribers())
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319 return d
29
d4fc29bb5381 Define interfaces of blocks of functionality.
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diff changeset
320
167
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321 def delete_node(self, node_id, requestor):
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322 d = self.storage.get_node(node_id)
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diff changeset
323 d.addCallback(_get_affiliation, requestor)
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324 d.addCallback(self._do_pre_delete)
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325 return d
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diff changeset
326
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diff changeset
327 def _do_pre_delete(self, result):
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328 node, affiliation = result
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diff changeset
329
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330 if affiliation != 'owner':
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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331 raise error.Forbidden()
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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diff changeset
332
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333 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
334 consumeErrors=1)
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diff changeset
335 d.addCallback(self._do_delete, node.id)
59
0fa161c00ed9 Use jid.JIDs everywhere in the backend.
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parents: 53
diff changeset
336
167
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337 def _do_delete(self, result, node_id):
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338 dl = []
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diff changeset
339 for succeeded, r in result:
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diff changeset
340 if succeeded and r:
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diff changeset
341 dl.extend(r)
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diff changeset
342
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343 d = self.storage.delete_node(node_id)
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diff changeset
344 d.addCallback(self._do_notify_delete, dl)
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diff changeset
345
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346 return d
29
d4fc29bb5381 Define interfaces of blocks of functionality.
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diff changeset
347
167
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diff changeset
348 def _do_notify_delete(self, result, dl):
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diff changeset
349 for d in dl:
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diff changeset
350 d.callback(None)
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diff changeset
351
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diff changeset
352
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diff changeset
353 class PubSubServiceFromBackend(PubSubService):
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diff changeset
354 """
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diff changeset
355 Adapts a backend to an xmpp publish-subscribe service.
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diff changeset
356 """
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diff changeset
357
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diff changeset
358 implements(IDisco)
29
d4fc29bb5381 Define interfaces of blocks of functionality.
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diff changeset
359
167
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diff changeset
360 _errorMap = {
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diff changeset
361 error.NodeNotFound: ('item-not-found', None, None),
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diff changeset
362 error.NodeExists: ('conflict', None, None),
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diff changeset
363 error.SubscriptionNotFound: ('not-authorized',
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parents: 159
diff changeset
364 'not-subscribed',
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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diff changeset
365 None),
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diff changeset
366 error.Forbidden: ('forbidden', None, None),
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diff changeset
367 error.ItemForbidden: ('bad-request', 'item-forbidden', None),
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diff changeset
368 error.ItemRequired: ('bad-request', 'item-required', None),
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diff changeset
369 error.NoInstantNodes: ('not-acceptable',
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diff changeset
370 'unsupported',
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diff changeset
371 'instant-nodes'),
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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diff changeset
372 error.NotSubscribed: ('not-authorized', 'not-subscribed', None),
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diff changeset
373 error.InvalidConfigurationOption: ('not-acceptable', None, None),
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diff changeset
374 error.InvalidConfigurationValue: ('not-acceptable', None, None),
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diff changeset
375 error.NodeNotPersistent: ('feature-not-implemented',
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parents: 159
diff changeset
376 'unsupported',
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diff changeset
377 'persistent-node'),
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diff changeset
378 error.NoRootNode: ('bad-request', None, None),
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parents: 159
diff changeset
379 }
29
d4fc29bb5381 Define interfaces of blocks of functionality.
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diff changeset
380
167
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381 def __init__(self, backend):
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382 PubSubService.__init__(self)
29
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383
167
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384 self.backend = backend
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385 self.hideNodes = False
153
753b8432460f Work towards JEP-0060 1.8
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parents: 108
diff changeset
386
167
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387 self.pubSubFeatures = self._getPubSubFeatures()
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388
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389 self.backend.register_notifier(self._notify)
153
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diff changeset
390
167
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391 def _getPubSubFeatures(self):
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392 features = [
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393 "config-node",
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diff changeset
394 "create-nodes",
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parents: 159
diff changeset
395 "delete-any",
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parents: 159
diff changeset
396 "delete-nodes",
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parents: 159
diff changeset
397 "item-ids",
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parents: 159
diff changeset
398 "meta-data",
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diff changeset
399 "publish",
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diff changeset
400 "purge-nodes",
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diff changeset
401 "retract-items",
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402 "retrieve-affiliations",
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diff changeset
403 "retrieve-default",
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parents: 159
diff changeset
404 "retrieve-items",
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parents: 159
diff changeset
405 "retrieve-subscriptions",
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parents: 159
diff changeset
406 "subscribe",
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diff changeset
407 ]
153
753b8432460f Work towards JEP-0060 1.8
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diff changeset
408
167
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diff changeset
409 if self.backend.supports_instant_nodes():
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parents: 159
diff changeset
410 features.append("instant-nodes")
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diff changeset
411
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diff changeset
412 if self.backend.supports_outcast_affiliation():
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diff changeset
413 features.append("outcast-affiliation")
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diff changeset
414
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diff changeset
415 if self.backend.supports_persistent_items():
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diff changeset
416 features.append("persistent-items")
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parents: 159
diff changeset
417
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diff changeset
418 if self.backend.supports_publisher_affiliation():
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parents: 159
diff changeset
419 features.append("publisher-affiliation")
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diff changeset
420
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421 return features
29
d4fc29bb5381 Define interfaces of blocks of functionality.
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diff changeset
422
167
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diff changeset
423 def _notify(self, data):
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424 items = data['items']
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diff changeset
425 nodeIdentifier = data['node_id']
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parents: 159
diff changeset
426 d = self.backend.get_notification_list(nodeIdentifier, items)
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parents: 159
diff changeset
427 d.addCallback(lambda notifications: self.notifyPublish(self.serviceJID,
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parents: 159
diff changeset
428 nodeIdentifier,
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
429 notifications))
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parents: 159
diff changeset
430
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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diff changeset
431 def _mapErrors(self, failure):
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parents: 159
diff changeset
432 e = failure.trap(*self._errorMap.keys())
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parents: 159
diff changeset
433
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diff changeset
434 condition, pubsubCondition, feature = self._errorMap[e]
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parents: 159
diff changeset
435 msg = failure.value.msg
29
d4fc29bb5381 Define interfaces of blocks of functionality.
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diff changeset
436
167
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parents: 159
diff changeset
437 if pubsubCondition:
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diff changeset
438 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
439 else:
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diff changeset
440 exc = StanzaError(condition, text=msg)
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parents: 159
diff changeset
441
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diff changeset
442 raise exc
29
d4fc29bb5381 Define interfaces of blocks of functionality.
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diff changeset
443
167
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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diff changeset
444 def getNodeInfo(self, requestor, service, nodeIdentifier):
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diff changeset
445 info = {}
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diff changeset
446
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447 def saveType(result):
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diff changeset
448 info['type'] = result
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diff changeset
449 return nodeIdentifier
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diff changeset
450
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diff changeset
451 def saveMetaData(result):
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diff changeset
452 info['meta-data'] = result
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diff changeset
453 return info
29
d4fc29bb5381 Define interfaces of blocks of functionality.
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diff changeset
454
167
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diff changeset
455 d = defer.succeed(nodeIdentifier)
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parents: 159
diff changeset
456 d.addCallback(self.backend.get_node_type)
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parents: 159
diff changeset
457 d.addCallback(saveType)
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parents: 159
diff changeset
458 d.addCallback(self.backend.get_node_meta_data)
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Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
459 d.addCallback(saveMetaData)
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parents: 159
diff changeset
460 d.errback(self._mapErrors)
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parents: 159
diff changeset
461 return d
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
462
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
463 def getNodes(self, requestor, service):
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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.
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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):
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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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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)
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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):
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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.
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parents: 159
diff changeset
479 def subscriptions(self, requestor, service):
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Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
480 d = self.backend.get_subscriptions(requestor)
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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
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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)
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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.
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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):
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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.
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parents: 24
diff changeset
494
167
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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parents: 159
diff changeset
495 def getConfiguration(self, requestor, service, nodeIdentifier):
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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.
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parents: 24
diff changeset
503
167
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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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):
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
510 d = self.backend.retract_item(nodeIdentifier, itemIdentifiers,
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
511 requestor)
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
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
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
514 def purge(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
515 d = self.backend.purge_node(nodeIdentifier, requestor)
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
516 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
517
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
518 def delete(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
519 d = self.backend.delete_node(nodeIdentifier, requestor)
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
520 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
521
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
522 components.registerAdapter(PubSubServiceFromBackend,
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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)