Mercurial > libervia-pubsub

annotate idavoll/backend.py @ 95:3ad74552bbc7

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Merge from RELENG_0: Implemented node configuration.
author Ralph Meijer <ralphm@ik.nu>
date Tue, 23 Nov 2004 16:18:52 +0000
parents 878a5b7697f2
children b9c449f4c167
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49
94e4ede2a357 Implement SubscriptionService with separate storage.
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1 from twisted.protocols.jabber import jid
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2 from twisted.python import components
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3 from twisted.application import service
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4 from twisted.xish import utility
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5 from twisted.internet import defer
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6 import sha
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7 import time
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8
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9 class Error(Exception):
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10 msg = ''
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11
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12 def __str__(self):
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13 return self.msg
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14
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15 class NodeNotFound(Error):
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16 msg = 'Node not found'
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18 class NotAuthorized(Error):
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19 pass
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eddea65d1032 Added two exceptions: NoInstantNodes and NodeExists.
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20
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21 class PayloadExpected(Error):
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22 msg = 'Payload expected'
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23
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24 class NoPayloadAllowed(Error):
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25 msg = 'No payload allowed'
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27 class NoInstantNodes(Error):
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28 pass
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30 class NodeExists(Error):
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31 pass
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32
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33 class NotImplemented(Error):
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34 pass
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35
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36 class NotSubscribed(Error):
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37 pass
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38
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39 class IBackendService(components.Interface):
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40 """ Interface to a backend service of a pubsub service. """
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41
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42 def get_supported_affiliations(self):
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43 """ Reports the list of supported affiliation types.
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44
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45 @return: a list of supported affiliation types.
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46 """
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47
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48 class INodeCreationService(components.Interface):
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49 """ A service for creating nodes """
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50
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51 def create_node(self, node_id, requestor):
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52 """ Create a node.
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53
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54 @return: a deferred that fires when the node has been created.
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55 """
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56
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57 class INodeDeletionService(components.Interface):
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58 """ A service for deleting nodes. """
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59
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60 def register_pre_delete(self, pre_delete_fn):
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61 """ Register a callback that is called just before a node deletion.
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62
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63 The function C{pre_deleted_fn} is added to a list of functions
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64 to be called just before deletion of a node. The callback
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65 C{pre_delete_fn} is called with the C{node_id} that is about to be
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66 deleted and should return a deferred that returns a list of deferreds
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67 that are to be fired after deletion. The backend collects the lists
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68 from all these callbacks before actually deleting the node in question.
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69 After deletion all collected deferreds are fired to do post-processing.
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70
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71 The idea is that you want to be able to collect data from the
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72 node before deleting it, for example to get a list of subscribers
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73 that have to be notified after the node has been deleted. To do this,
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74 C{pre_delete_fn} fetches the subscriber list and passes this
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75 list to a callback attached to a deferred that it sets up. This
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76 deferred is returned in the list of deferreds.
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77 """
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78
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79 def get_subscribers(self, node_id):
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80 """ Get node subscriber list.
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81
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82 @return: a deferred that fires with the list of subscribers.
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83 """
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84
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85 def delete_node(self, node_id, requestor):
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86 """ Delete a node.
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87
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88 @return: a deferred that fires when the node has been deleted.
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89 """
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90
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91 class IPublishService(components.Interface):
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92 """ A service for publishing items to a node. """
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93
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94 def publish(self, node_id, items, requestor):
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95 """ Publish items to a pubsub node.
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96
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97 @return: a deferred that fires when the items have been published.
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98 """
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99 class INotificationService(components.Interface):
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100 """ A service for notification of published items. """
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101
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102 def register_notifier(self, observerfn, *args, **kwargs):
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103 """ Register callback which is called for notification. """
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104
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105 def get_notification_list(self, node_id, items):
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106 pass
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107
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108 class ISubscriptionService(components.Interface):
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109 """ A service for managing subscriptions. """
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110
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111 def subscribe(self, node_id, subscriber, requestor):
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112 """ Request the subscription of an entity to a pubsub node.
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113
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114 Depending on the node's configuration and possible business rules, the
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115 C{subscriber} is added to the list of subscriptions of the node with id
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116 C{node_id}. The C{subscriber} might be different from the C{requestor},
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117 and if the C{requestor} is not allowed to subscribe this entity an
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118 exception should be raised.
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119
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120 @return: a deferred that returns the subscription state
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121 """
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122
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123 def unsubscribe(self, node_id, subscriber, requestor):
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124 """ Cancel the subscription of an entity to a pubsub node.
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125
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126 The subscription of C{subscriber} is removed from the list of
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127 subscriptions of the node with id C{node_id}. If the C{requestor}
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128 is not allowed to unsubscribe C{subscriber}, an an exception should
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129 be raised.
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130
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131 @return: a deferred that fires when unsubscription is complete.
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132 """
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133
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134 class IAffiliationsService(components.Interface):
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135 """ A service for retrieving the affiliations with this pubsub service. """
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136
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137 def get_affiliations(self, entity):
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138 """ Report the list of current affiliations with this pubsub service.
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139
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140 Report the list of the current affiliations with all nodes within this
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141 pubsub service, along with subscriptions to such nodes, for the
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142 C{entity}.
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143
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144 @return: a deferred that returns the list of all current affiliations
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145 and subscriptions.
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146 """
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147
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148 class IRetractionService(components.Interface):
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149 """ A service for retracting published items """
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150
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151 def retract_item(self, node_id, item_id, requestor):
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152 """ Removes item in node from persistent storage """
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153
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154 def purge_node(self, node_id, requestor):
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155 """ Removes all items in node from persistent storage """
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156
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157 class IItemRetrievalService(components.Interface):
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158 """ A service for retrieving previously published items. """
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159
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160 def get_items(self, node_id, requestor, max_items=None, item_ids=[]):
29
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161 """ Retrieve items from persistent storage
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162
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163 If C{max_items} is given, return the C{max_items} last published
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164 items, else if C{item_ids} is not empty, return the items requested.
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165 If neither is given, return all items.
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166
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167 @return: a deferred that returns the requested items
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168 """
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169
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170 class BackendService(service.MultiService, utility.EventDispatcher):
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171
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172 __implements__ = IBackendService,
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173
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174 def __init__(self, storage):
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175 service.MultiService.__init__(self)
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176 utility.EventDispatcher.__init__(self)
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177 self.storage = storage
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178
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179 def supports_publisher_affiliation(self):
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180 return True
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181
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182 def supports_outcast_affiliation(self):
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183 return True
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184
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185 def supports_persistent_items(self):
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186 return True
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187
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188 def get_node_type(self, node_id):
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189 return self.storage.get_node_type(node_id)
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190
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191 def get_nodes(self):
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192 return self.storage.get_nodes()
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193
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194 class PublishService(service.Service):
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195
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196 __implements__ = IPublishService,
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197
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198 def publish(self, node_id, items, requestor):
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199 d1 = self.parent.storage.get_node_configuration(node_id)
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200 d2 = self.parent.storage.get_affiliation(node_id, requestor)
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201 d = defer.DeferredList([d1, d2], fireOnOneErrback=1, consumeErrors=1)
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202 d.addErrback(lambda x: x.value[0])
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203 d.addCallback(self._do_publish, node_id, items, requestor)
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204 return d
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205
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206 def _do_publish(self, result, node_id, items, requestor):
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207 configuration = result[0][1]
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208 persist_items = configuration["pubsub#persist_items"]
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209 deliver_payloads = configuration["pubsub#deliver_payloads"]
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210 affiliation = result[1][1]
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211
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212 if affiliation not in ['owner', 'publisher']:
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213 raise NotAuthorized
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214
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215 if items and not persist_items and not deliver_payloads:
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216 raise NoPayloadAllowed
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217 elif not items and (persist_items or deliver_payloads):
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218 raise PayloadExpected
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219
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220 print "publish by %s to %s" % (requestor.full(), node_id)
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221
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222 if persist_items or deliver_payloads:
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223 for item in items:
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224 if not item.getAttribute("id"):
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225 item["id"] = sha.new(str(time.time()) +
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226 requestor.full()).hexdigest()
43
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227
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228 if persist_items:
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229 d = self.parent.storage.store_items(node_id, items,
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230 requestor)
43
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231 else:
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232 d = defer.succeed(None)
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233
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234 d.addCallback(self._do_notify, node_id, items, deliver_payloads)
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235
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236 def _do_notify(self, result, node_id, items, deliver_payloads):
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237 if items and not deliver_payloads:
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238 for item in items:
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239 item.children = []
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240
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241 self.parent.dispatch({ 'items': items, 'node_id': node_id },
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242 '//event/pubsub/notify')
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243
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244 class NotificationService(service.Service):
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245
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246 __implements__ = INotificationService,
43
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247
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248 def get_notification_list(self, node_id, items):
44
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249 d = self.parent.storage.get_subscribers(node_id)
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250 d.addCallback(self._magic_filter, node_id, items)
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251 return d
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252
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253 def _magic_filter(self, subscribers, node_id, items):
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254 list = {}
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255 for subscriber in subscribers:
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256 list[subscriber] = items
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257 return list
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258
29
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259 def register_notifier(self, observerfn, *args, **kwargs):
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260 self.parent.addObserver('//event/pubsub/notify', observerfn,
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261 *args, **kwargs)
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262
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263 class SubscriptionService(service.Service):
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264
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265 __implements__ = ISubscriptionService,
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266
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267 def subscribe(self, node_id, subscriber, requestor):
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268 if subscriber.userhostJID() != requestor:
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269 raise NotAuthorized
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270
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271 d1 = self.parent.storage.get_node_configuration(node_id)
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272 d2 = self.parent.storage.get_affiliation(node_id, subscriber)
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273 d = defer.DeferredList([d1, d2], fireOnOneErrback=1, consumeErrors=1)
49
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274 d.addErrback(lambda x: x.value[0])
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275 d.addCallback(self._do_subscribe, node_id, subscriber)
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276 return d
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277
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278 def _do_subscribe(self, result, node_id, subscriber):
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279 configuration = result[0][1]
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280 affiliation = result[1][1]
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281
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282 if affiliation == 'outcast':
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283 raise NotAuthorized
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284
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285 d = self.parent.storage.add_subscription(node_id, subscriber,
49
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diff changeset
286 'subscribed')
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287 d.addCallback(self._return_subscription, affiliation)
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288 return d
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289
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290 def _return_subscription(self, result, affiliation):
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291 result['affiliation'] = affiliation
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292 return result
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293
94e4ede2a357 Implement SubscriptionService with separate storage.
Ralph Meijer <ralphm@ik.nu>
parents: 44
diff changeset
294 def unsubscribe(self, node_id, subscriber, requestor):
94e4ede2a357 Implement SubscriptionService with separate storage.
Ralph Meijer <ralphm@ik.nu>
parents: 44
diff changeset
295 if subscriber.userhostJID() != requestor:
94e4ede2a357 Implement SubscriptionService with separate storage.
Ralph Meijer <ralphm@ik.nu>
parents: 44
diff changeset
296 raise NotAuthorized
94e4ede2a357 Implement SubscriptionService with separate storage.
Ralph Meijer <ralphm@ik.nu>
parents: 44
diff changeset
297
94e4ede2a357 Implement SubscriptionService with separate storage.
Ralph Meijer <ralphm@ik.nu>
parents: 44
diff changeset
298 d = self.parent.storage.get_node_configuration(node_id)
94e4ede2a357 Implement SubscriptionService with separate storage.
Ralph Meijer <ralphm@ik.nu>
parents: 44
diff changeset
299 d.addCallback(self._do_unsubscribe, node_id, subscriber)
94e4ede2a357 Implement SubscriptionService with separate storage.
Ralph Meijer <ralphm@ik.nu>
parents: 44
diff changeset
300 return d
94e4ede2a357 Implement SubscriptionService with separate storage.
Ralph Meijer <ralphm@ik.nu>
parents: 44
diff changeset
301
94e4ede2a357 Implement SubscriptionService with separate storage.
Ralph Meijer <ralphm@ik.nu>
parents: 44
diff changeset
302 def _do_unsubscribe(self, result, node_id, subscriber):
94e4ede2a357 Implement SubscriptionService with separate storage.
Ralph Meijer <ralphm@ik.nu>
parents: 44
diff changeset
303 return self.parent.storage.remove_subscription(node_id,
59
0fa161c00ed9 Use jid.JIDs everywhere in the backend.
Ralph Meijer <ralphm@ik.nu>
parents: 53
diff changeset
304 subscriber)
53
e602ddda2d6e Implement NodeCreationService, using the create_node() method of Storage.
Ralph Meijer <ralphm@ik.nu>
parents: 49
diff changeset
305
e602ddda2d6e Implement NodeCreationService, using the create_node() method of Storage.
Ralph Meijer <ralphm@ik.nu>
parents: 49
diff changeset
306 class NodeCreationService(service.Service):
e602ddda2d6e Implement NodeCreationService, using the create_node() method of Storage.
Ralph Meijer <ralphm@ik.nu>
parents: 49
diff changeset
307
e602ddda2d6e Implement NodeCreationService, using the create_node() method of Storage.
Ralph Meijer <ralphm@ik.nu>
parents: 49
diff changeset
308 __implements__ = INodeCreationService,
e602ddda2d6e Implement NodeCreationService, using the create_node() method of Storage.
Ralph Meijer <ralphm@ik.nu>
parents: 49
diff changeset
309
95
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
310 options = {"pubsub#persist_items":
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
311 {"type": "boolean",
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
312 "label": "Persist items to storage"},
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
313 "pubsub#deliver_payloads":
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
314 { "type": "boolean",
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
315 "label": "Deliver payloads with event notifications"}
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
316 }
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
317
53
e602ddda2d6e Implement NodeCreationService, using the create_node() method of Storage.
Ralph Meijer <ralphm@ik.nu>
parents: 49
diff changeset
318 def supports_instant_nodes(self):
84
34be83a0bd2e Implement instant nodes.
Ralph Meijer <ralphm@ik.nu>
parents: 80
diff changeset
319 return True
53
e602ddda2d6e Implement NodeCreationService, using the create_node() method of Storage.
Ralph Meijer <ralphm@ik.nu>
parents: 49
diff changeset
320
e602ddda2d6e Implement NodeCreationService, using the create_node() method of Storage.
Ralph Meijer <ralphm@ik.nu>
parents: 49
diff changeset
321 def create_node(self, node_id, requestor):
e602ddda2d6e Implement NodeCreationService, using the create_node() method of Storage.
Ralph Meijer <ralphm@ik.nu>
parents: 49
diff changeset
322 if not node_id:
84
34be83a0bd2e Implement instant nodes.
Ralph Meijer <ralphm@ik.nu>
parents: 80
diff changeset
323 node_id = 'generic/%s' % sha.new(str(time.time()) +
34be83a0bd2e Implement instant nodes.
Ralph Meijer <ralphm@ik.nu>
parents: 80
diff changeset
324 requestor.full()).hexdigest()
53
e602ddda2d6e Implement NodeCreationService, using the create_node() method of Storage.
Ralph Meijer <ralphm@ik.nu>
parents: 49
diff changeset
325
59
0fa161c00ed9 Use jid.JIDs everywhere in the backend.
Ralph Meijer <ralphm@ik.nu>
parents: 53
diff changeset
326 d = self.parent.storage.create_node(node_id, requestor)
53
e602ddda2d6e Implement NodeCreationService, using the create_node() method of Storage.
Ralph Meijer <ralphm@ik.nu>
parents: 49
diff changeset
327 d.addCallback(lambda _: node_id)
e602ddda2d6e Implement NodeCreationService, using the create_node() method of Storage.
Ralph Meijer <ralphm@ik.nu>
parents: 49
diff changeset
328 return d
61
ad08e021b4d5 Implement AffiliationsService.
Ralph Meijer <ralphm@ik.nu>
parents: 59
diff changeset
329
95
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
330 def get_node_configuration(self, node_id):
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
331 if node_id:
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
332 d = self.parent.storage.get_node_configuration(node_id)
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
333 else:
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
334 d = defer.succeed({"pubsub#persist_items": True,
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
335 "pubsub#deliver_payloads": True})
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
336
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
337 d.addCallback(self._make_config)
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
338 return d
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
339
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
340 def _make_config(self, config):
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
341 options = []
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
342 for key, value in config.iteritems():
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
343 option = {"var": key}
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
344 option.update(self.options[key])
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
345 if option["type"] == "boolean":
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
346 option["value"] = str(int(bool(value)))
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
347 else:
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
348 option["value"] = str(value)
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
349 options.append(option)
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
350
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
351 return options
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
352
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
353 def set_node_configuration(self, node_id, options, requestor):
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
354 for key in options.iterkeys():
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
355 if not self.options.has_key(key):
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
356 raise InvalidConfigurationOption
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
357
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
358 d = self.parent.storage.get_affiliation(node_id, requestor)
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
359 d.addCallback(self._do_set_node_configuration, node_id, options)
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
360 return d
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
361
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
362 def _do_set_node_configuration(self, affiliation, node_id, options):
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
363 if affiliation != 'owner':
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
364 raise NotAuthorized
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
365
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
366 return self.parent.storage.set_node_configuration(node_id, options)
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
367
61
ad08e021b4d5 Implement AffiliationsService.
Ralph Meijer <ralphm@ik.nu>
parents: 59
diff changeset
368 class AffiliationsService(service.Service):
ad08e021b4d5 Implement AffiliationsService.
Ralph Meijer <ralphm@ik.nu>
parents: 59
diff changeset
369
ad08e021b4d5 Implement AffiliationsService.
Ralph Meijer <ralphm@ik.nu>
parents: 59
diff changeset
370 __implements__ = IAffiliationsService,
ad08e021b4d5 Implement AffiliationsService.
Ralph Meijer <ralphm@ik.nu>
parents: 59
diff changeset
371
ad08e021b4d5 Implement AffiliationsService.
Ralph Meijer <ralphm@ik.nu>
parents: 59
diff changeset
372 def get_affiliations(self, entity):
ad08e021b4d5 Implement AffiliationsService.
Ralph Meijer <ralphm@ik.nu>
parents: 59
diff changeset
373 d1 = self.parent.storage.get_affiliations(entity)
ad08e021b4d5 Implement AffiliationsService.
Ralph Meijer <ralphm@ik.nu>
parents: 59
diff changeset
374 d2 = self.parent.storage.get_subscriptions(entity)
92
878a5b7697f2 Consume errors in DeferredLists.
Ralph Meijer <ralphm@ik.nu>
parents: 90
diff changeset
375 d = defer.DeferredList([d1, d2], fireOnOneErrback=1, consumeErrors=1)
61
ad08e021b4d5 Implement AffiliationsService.
Ralph Meijer <ralphm@ik.nu>
parents: 59
diff changeset
376 d.addErrback(lambda x: x.value[0])
ad08e021b4d5 Implement AffiliationsService.
Ralph Meijer <ralphm@ik.nu>
parents: 59
diff changeset
377 d.addCallback(self._affiliations_result, entity)
ad08e021b4d5 Implement AffiliationsService.
Ralph Meijer <ralphm@ik.nu>
parents: 59
diff changeset
378 return d
ad08e021b4d5 Implement AffiliationsService.
Ralph Meijer <ralphm@ik.nu>
parents: 59
diff changeset
379
ad08e021b4d5 Implement AffiliationsService.
Ralph Meijer <ralphm@ik.nu>
parents: 59
diff changeset
380 def _affiliations_result(self, result, entity):
ad08e021b4d5 Implement AffiliationsService.
Ralph Meijer <ralphm@ik.nu>
parents: 59
diff changeset
381 affiliations = result[0][1]
ad08e021b4d5 Implement AffiliationsService.
Ralph Meijer <ralphm@ik.nu>
parents: 59
diff changeset
382 subscriptions = result[1][1]
ad08e021b4d5 Implement AffiliationsService.
Ralph Meijer <ralphm@ik.nu>
parents: 59
diff changeset
383
ad08e021b4d5 Implement AffiliationsService.
Ralph Meijer <ralphm@ik.nu>
parents: 59
diff changeset
384 new_affiliations = {}
ad08e021b4d5 Implement AffiliationsService.
Ralph Meijer <ralphm@ik.nu>
parents: 59
diff changeset
385
ad08e021b4d5 Implement AffiliationsService.
Ralph Meijer <ralphm@ik.nu>
parents: 59
diff changeset
386 for node, affiliation in affiliations:
ad08e021b4d5 Implement AffiliationsService.
Ralph Meijer <ralphm@ik.nu>
parents: 59
diff changeset
387 new_affiliations[(node, entity.full())] = {'node': node,
ad08e021b4d5 Implement AffiliationsService.
Ralph Meijer <ralphm@ik.nu>
parents: 59
diff changeset
388 'jid': entity,
ad08e021b4d5 Implement AffiliationsService.
Ralph Meijer <ralphm@ik.nu>
parents: 59
diff changeset
389 'affiliation': affiliation,
ad08e021b4d5 Implement AffiliationsService.
Ralph Meijer <ralphm@ik.nu>
parents: 59
diff changeset
390 'subscription': None
ad08e021b4d5 Implement AffiliationsService.
Ralph Meijer <ralphm@ik.nu>
parents: 59
diff changeset
391 }
ad08e021b4d5 Implement AffiliationsService.
Ralph Meijer <ralphm@ik.nu>
parents: 59
diff changeset
392
ad08e021b4d5 Implement AffiliationsService.
Ralph Meijer <ralphm@ik.nu>
parents: 59
diff changeset
393 for node, subscriber, subscription in subscriptions:
ad08e021b4d5 Implement AffiliationsService.
Ralph Meijer <ralphm@ik.nu>
parents: 59
diff changeset
394 key = node, subscriber.full()
ad08e021b4d5 Implement AffiliationsService.
Ralph Meijer <ralphm@ik.nu>
parents: 59
diff changeset
395 if new_affiliations.has_key(key):
ad08e021b4d5 Implement AffiliationsService.
Ralph Meijer <ralphm@ik.nu>
parents: 59
diff changeset
396 new_affiliations[key]['subscription'] = subscription
ad08e021b4d5 Implement AffiliationsService.
Ralph Meijer <ralphm@ik.nu>
parents: 59
diff changeset
397 else:
ad08e021b4d5 Implement AffiliationsService.
Ralph Meijer <ralphm@ik.nu>
parents: 59
diff changeset
398 new_affiliations[key] = {'node': node,
ad08e021b4d5 Implement AffiliationsService.
Ralph Meijer <ralphm@ik.nu>
parents: 59
diff changeset
399 'jid': subscriber,
ad08e021b4d5 Implement AffiliationsService.
Ralph Meijer <ralphm@ik.nu>
parents: 59
diff changeset
400 'affiliation': None,
ad08e021b4d5 Implement AffiliationsService.
Ralph Meijer <ralphm@ik.nu>
parents: 59
diff changeset
401 'subscription': subscription}
ad08e021b4d5 Implement AffiliationsService.
Ralph Meijer <ralphm@ik.nu>
parents: 59
diff changeset
402
ad08e021b4d5 Implement AffiliationsService.
Ralph Meijer <ralphm@ik.nu>
parents: 59
diff changeset
403 return new_affiliations.values()
80
ec354aab3949 Implemented ItemRetrievalService.
Ralph Meijer <ralphm@ik.nu>
parents: 72
diff changeset
404
ec354aab3949 Implemented ItemRetrievalService.
Ralph Meijer <ralphm@ik.nu>
parents: 72
diff changeset
405 class ItemRetrievalService(service.Service):
ec354aab3949 Implemented ItemRetrievalService.
Ralph Meijer <ralphm@ik.nu>
parents: 72
diff changeset
406
ec354aab3949 Implemented ItemRetrievalService.
Ralph Meijer <ralphm@ik.nu>
parents: 72
diff changeset
407 __implements__ = IItemRetrievalService
ec354aab3949 Implemented ItemRetrievalService.
Ralph Meijer <ralphm@ik.nu>
parents: 72
diff changeset
408
ec354aab3949 Implemented ItemRetrievalService.
Ralph Meijer <ralphm@ik.nu>
parents: 72
diff changeset
409 def get_items(self, node_id, requestor, max_items=None, item_ids=[]):
ec354aab3949 Implemented ItemRetrievalService.
Ralph Meijer <ralphm@ik.nu>
parents: 72
diff changeset
410 d = self.parent.storage.is_subscribed(node_id, requestor)
ec354aab3949 Implemented ItemRetrievalService.
Ralph Meijer <ralphm@ik.nu>
parents: 72
diff changeset
411 d.addCallback(self._do_get_items, node_id, max_items, item_ids)
ec354aab3949 Implemented ItemRetrievalService.
Ralph Meijer <ralphm@ik.nu>
parents: 72
diff changeset
412 return d
ec354aab3949 Implemented ItemRetrievalService.
Ralph Meijer <ralphm@ik.nu>
parents: 72
diff changeset
413
ec354aab3949 Implemented ItemRetrievalService.
Ralph Meijer <ralphm@ik.nu>
parents: 72
diff changeset
414 def _do_get_items(self, result, node_id, max_items, item_ids):
ec354aab3949 Implemented ItemRetrievalService.
Ralph Meijer <ralphm@ik.nu>
parents: 72
diff changeset
415 def q(r):
ec354aab3949 Implemented ItemRetrievalService.
Ralph Meijer <ralphm@ik.nu>
parents: 72
diff changeset
416 print r
ec354aab3949 Implemented ItemRetrievalService.
Ralph Meijer <ralphm@ik.nu>
parents: 72
diff changeset
417 return r
ec354aab3949 Implemented ItemRetrievalService.
Ralph Meijer <ralphm@ik.nu>
parents: 72
diff changeset
418
ec354aab3949 Implemented ItemRetrievalService.
Ralph Meijer <ralphm@ik.nu>
parents: 72
diff changeset
419 if not result:
ec354aab3949 Implemented ItemRetrievalService.
Ralph Meijer <ralphm@ik.nu>
parents: 72
diff changeset
420 raise NotAuthorized
ec354aab3949 Implemented ItemRetrievalService.
Ralph Meijer <ralphm@ik.nu>
parents: 72
diff changeset
421
ec354aab3949 Implemented ItemRetrievalService.
Ralph Meijer <ralphm@ik.nu>
parents: 72
diff changeset
422 if item_ids:
ec354aab3949 Implemented ItemRetrievalService.
Ralph Meijer <ralphm@ik.nu>
parents: 72
diff changeset
423 d = self.parent.storage.get_items_by_ids(node_id, item_ids)
ec354aab3949 Implemented ItemRetrievalService.
Ralph Meijer <ralphm@ik.nu>
parents: 72
diff changeset
424 d.addCallback(q)
ec354aab3949 Implemented ItemRetrievalService.
Ralph Meijer <ralphm@ik.nu>
parents: 72
diff changeset
425 d.addErrback(q)
ec354aab3949 Implemented ItemRetrievalService.
Ralph Meijer <ralphm@ik.nu>
parents: 72
diff changeset
426 return d
ec354aab3949 Implemented ItemRetrievalService.
Ralph Meijer <ralphm@ik.nu>
parents: 72
diff changeset
427 else:
ec354aab3949 Implemented ItemRetrievalService.
Ralph Meijer <ralphm@ik.nu>
parents: 72
diff changeset
428 return self.parent.storage.get_items(node_id, max_items)
85
ec557449d1aa Implement node retraction, with storage support for pgsql.
Ralph Meijer <ralphm@ik.nu>
parents: 84
diff changeset
429
ec557449d1aa Implement node retraction, with storage support for pgsql.
Ralph Meijer <ralphm@ik.nu>
parents: 84
diff changeset
430 class RetractionService(service.Service):
ec557449d1aa Implement node retraction, with storage support for pgsql.
Ralph Meijer <ralphm@ik.nu>
parents: 84
diff changeset
431
ec557449d1aa Implement node retraction, with storage support for pgsql.
Ralph Meijer <ralphm@ik.nu>
parents: 84
diff changeset
432 __implements__ = IRetractionService,
ec557449d1aa Implement node retraction, with storage support for pgsql.
Ralph Meijer <ralphm@ik.nu>
parents: 84
diff changeset
433
ec557449d1aa Implement node retraction, with storage support for pgsql.
Ralph Meijer <ralphm@ik.nu>
parents: 84
diff changeset
434 def retract_item(self, node_id, item_ids, requestor):
ec557449d1aa Implement node retraction, with storage support for pgsql.
Ralph Meijer <ralphm@ik.nu>
parents: 84
diff changeset
435 d1 = self.parent.storage.get_node_configuration(node_id)
ec557449d1aa Implement node retraction, with storage support for pgsql.
Ralph Meijer <ralphm@ik.nu>
parents: 84
diff changeset
436 d2 = self.parent.storage.get_affiliation(node_id, requestor)
ec557449d1aa Implement node retraction, with storage support for pgsql.
Ralph Meijer <ralphm@ik.nu>
parents: 84
diff changeset
437 d = defer.DeferredList([d1, d2], fireOnOneErrback=1)
ec557449d1aa Implement node retraction, with storage support for pgsql.
Ralph Meijer <ralphm@ik.nu>
parents: 84
diff changeset
438 d.addErrback(lambda x: x.value[0])
ec557449d1aa Implement node retraction, with storage support for pgsql.
Ralph Meijer <ralphm@ik.nu>
parents: 84
diff changeset
439 d.addCallback(self._do_retract, node_id, item_ids)
ec557449d1aa Implement node retraction, with storage support for pgsql.
Ralph Meijer <ralphm@ik.nu>
parents: 84
diff changeset
440 return d
ec557449d1aa Implement node retraction, with storage support for pgsql.
Ralph Meijer <ralphm@ik.nu>
parents: 84
diff changeset
441
ec557449d1aa Implement node retraction, with storage support for pgsql.
Ralph Meijer <ralphm@ik.nu>
parents: 84
diff changeset
442 def _do_retract(self, result, node_id, item_ids):
ec557449d1aa Implement node retraction, with storage support for pgsql.
Ralph Meijer <ralphm@ik.nu>
parents: 84
diff changeset
443 configuration = result[0][1]
ec557449d1aa Implement node retraction, with storage support for pgsql.
Ralph Meijer <ralphm@ik.nu>
parents: 84
diff changeset
444 persist_items = configuration["persist_items"]
ec557449d1aa Implement node retraction, with storage support for pgsql.
Ralph Meijer <ralphm@ik.nu>
parents: 84
diff changeset
445 affiliation = result[1][1]
ec557449d1aa Implement node retraction, with storage support for pgsql.
Ralph Meijer <ralphm@ik.nu>
parents: 84
diff changeset
446
ec557449d1aa Implement node retraction, with storage support for pgsql.
Ralph Meijer <ralphm@ik.nu>
parents: 84
diff changeset
447 if affiliation not in ['owner', 'publisher']:
ec557449d1aa Implement node retraction, with storage support for pgsql.
Ralph Meijer <ralphm@ik.nu>
parents: 84
diff changeset
448 raise NotAuthorized
ec557449d1aa Implement node retraction, with storage support for pgsql.
Ralph Meijer <ralphm@ik.nu>
parents: 84
diff changeset
449
ec557449d1aa Implement node retraction, with storage support for pgsql.
Ralph Meijer <ralphm@ik.nu>
parents: 84
diff changeset
450 if not persist_items:
ec557449d1aa Implement node retraction, with storage support for pgsql.
Ralph Meijer <ralphm@ik.nu>
parents: 84
diff changeset
451 raise NodeNotPersistent
ec557449d1aa Implement node retraction, with storage support for pgsql.
Ralph Meijer <ralphm@ik.nu>
parents: 84
diff changeset
452
ec557449d1aa Implement node retraction, with storage support for pgsql.
Ralph Meijer <ralphm@ik.nu>
parents: 84
diff changeset
453 d = self.parent.storage.remove_items(node_id, item_ids)
ec557449d1aa Implement node retraction, with storage support for pgsql.
Ralph Meijer <ralphm@ik.nu>
parents: 84
diff changeset
454 d.addCallback(self._do_notify_retraction, node_id)
ec557449d1aa Implement node retraction, with storage support for pgsql.
Ralph Meijer <ralphm@ik.nu>
parents: 84
diff changeset
455 return d
ec557449d1aa Implement node retraction, with storage support for pgsql.
Ralph Meijer <ralphm@ik.nu>
parents: 84
diff changeset
456
ec557449d1aa Implement node retraction, with storage support for pgsql.
Ralph Meijer <ralphm@ik.nu>
parents: 84
diff changeset
457 def _do_notify_retraction(self, result, node_id):
ec557449d1aa Implement node retraction, with storage support for pgsql.
Ralph Meijer <ralphm@ik.nu>
parents: 84
diff changeset
458 self.parent.dispatch({ 'item_ids': result, 'node_id': node_id },
ec557449d1aa Implement node retraction, with storage support for pgsql.
Ralph Meijer <ralphm@ik.nu>
parents: 84
diff changeset
459 '//event/pubsub/retract')
ec557449d1aa Implement node retraction, with storage support for pgsql.
Ralph Meijer <ralphm@ik.nu>
parents: 84
diff changeset
460
ec557449d1aa Implement node retraction, with storage support for pgsql.
Ralph Meijer <ralphm@ik.nu>
parents: 84
diff changeset
461 def purge_node(self, node_id, requestor):
90
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
462 d1 = self.parent.storage.get_node_configuration(node_id)
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
463 d2 = self.parent.storage.get_affiliation(node_id, requestor)
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
464 d = defer.DeferredList([d1, d2], fireOnOneErrback=1)
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
465 d.addErrback(lambda x: x.value[0])
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
466 d.addCallback(self._do_purge, node_id)
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
467 return d
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
468
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
469 def _do_purge(self, result, node_id):
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
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470 configuration = result[0][1]
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
471 persist_items = configuration["persist_items"]
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
472 affiliation = result[1][1]
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
473
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
474 if affiliation != 'owner':
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
475 raise NotAuthorized
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
476
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
477 if not persist_items:
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
478 raise NodeNotPersistent
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
479
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
480 d = self.parent.storage.purge_node(node_id)
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
481 d.addCallback(self._do_notify_purge, node_id)
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
482 return d
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
483
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
484 def _do_notify_purge(self, result, node_id):
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
485 self.parent.dispatch(node_id, '//event/pubsub/purge')
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
486
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
487 class NodeDeletionService(service.Service):
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
488
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
489 __implements__ = INodeDeletionService,
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
490
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
491 def __init__(self):
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
492 self._callback_list = []
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
493
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
494 def register_pre_delete(self, pre_delete_fn):
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
495 self._callback_list.append(pre_delete_fn)
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
496
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
497 def get_subscribers(self, node_id):
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
498 return self.parent.storage.get_subscribers(node_id)
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
499
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
500 def delete_node(self, node_id, requestor):
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
501 d1 = self.parent.storage.get_node_configuration(node_id)
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
502 d2 = self.parent.storage.get_affiliation(node_id, requestor)
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
503 d = defer.DeferredList([d1, d2], fireOnOneErrback=1)
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
504 d.addErrback(lambda x: x.value[0])
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
505 d.addCallback(self._do_pre_delete, node_id)
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
506 return d
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
507
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
508 def _do_pre_delete(self, result, node_id):
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
509 configuration = result[0][1]
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
510 persist_items = configuration["persist_items"]
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
511 affiliation = result[1][1]
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
512
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
513 if affiliation != 'owner':
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
514 raise NotAuthorized
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
515
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
516 d = defer.DeferredList([cb(node_id) for cb in self._callback_list],
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
517 consumeErrors=1)
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
518 d.addCallback(self._do_delete, node_id)
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
519
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
520 def _do_delete(self, result, node_id):
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
521 dl = []
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
522 for succeeded, r in result:
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
523 if succeeded and r:
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
524 dl.extend(r)
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
525
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
526 d = self.parent.storage.delete_node(node_id)
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
527 d.addCallback(self._do_notify_delete, dl)
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
528
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
529 return d
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
530
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
531 def _do_notify_delete(self, result, dl):
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
532 for d in dl:
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
533 d.callback(None)