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annotate idavoll/idavoll.py @ 41:ea3d3544a52e

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Rewrite using separated backend interfaces. The backend also uses a separate class for the actual storage.
author Ralph Meijer <ralphm@ik.nu>
date Sun, 31 Oct 2004 21:11:03 +0000
parents c51bca11699b
children 7d088c61e131
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1 from twisted.protocols.jabber import component
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2 from twisted.application import service
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3 from twisted.python import components
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4 import backend
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5 import memory_backend
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6 import pubsub
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7 import xmpp_error
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8
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9 import sys
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10
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11 NS_DISCO = 'http://jabber.org/protocol/disco'
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12 NS_DISCO_INFO = NS_DISCO + '#info'
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13 NS_DISCO_ITEMS = NS_DISCO + '#items'
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14 NS_VERSION = 'jabber:iq:version'
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16 IQ_GET = '/iq[@type="get"]'
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17 IQ_SET = '/iq[@type="set"]'
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18 VERSION = IQ_GET + '/query[@xmlns="' + NS_VERSION + '"]'
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19 DISCO_INFO = IQ_GET + '/query[@xmlns="' + NS_DISCO_INFO + '"]'
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20 DISCO_ITEMS = IQ_GET + '/query[@xmlns="' + NS_DISCO_ITEMS + '"]'
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21
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22 class IdavollService(component.Service):
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24 def componentConnected(self, xmlstream):
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25 self.xmlstream = xmlstream
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26 xmlstream.addObserver(VERSION, self.onVersion, 1)
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27 xmlstream.addObserver(DISCO_INFO, self.onDiscoInfo, 1)
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28 xmlstream.addObserver(DISCO_ITEMS, self.onDiscoItems, 1)
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29 xmlstream.addObserver(IQ_GET, self.iqFallback, -1)
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30 xmlstream.addObserver(IQ_SET, self.iqFallback, -1)
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32 def getFeatures(self, node):
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33 if not node:
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34 return [NS_DISCO_ITEMS, NS_VERSION]
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36 def onVersion(self, iq):
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37 iq.swapAttributeValues("to", "from")
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38 iq["type"] = "result"
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39 name = iq.addElement("name", None, 'Idavoll')
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40 version = iq.addElement("version", None, '0.1')
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41 self.send(iq)
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42 iq.handled = True
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43
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44 def onDiscoInfo(self, iq):
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45 identities = []
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46 features = []
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47 node = iq.query.getAttribute("node")
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48
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49 for c in self.parent:
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50 if components.implements(c, component.IService):
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51 if hasattr(c, "getIdentities"):
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52 identities.extend(c.getIdentities(node))
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53 if hasattr(c, "getFeatures"):
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54 features.extend(c.getFeatures(node))
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55
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56 if not features and not identities and not node:
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57 xmpp_error.error_from_iq(iq, 'item-not-found')
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58 else:
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59 iq.swapAttributeValues("to", "from")
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60 iq["type"] = "result"
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61 for identity in identities:
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62 i = iq.query.addElement("identity")
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63 i.attributes = identity
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64 print features
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65 for feature in features:
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66 f = iq.query.addElement("feature")
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67 f["var"] = feature
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68
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69 self.send(iq)
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70 iq.handled = True
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71
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72 def onDiscoItems(self, iq):
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73 iq.swapAttributeValues("to", "from")
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74 iq["type"] = "result"
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75 iq.query.children = []
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76 self.send(iq)
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77
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78 def iqFallback(self, iq):
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79 if iq.handled == True:
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80 return
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81
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82 self.send(xmpp_error.error_from_iq(iq, 'service-unavailable'))
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83
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84 def makeService(config):
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85 serviceCollection = service.MultiService()
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86
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87 # set up Jabber Component
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88 sm = component.buildServiceManager(config["jid"], config["secret"],
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89 ("tcp:%s:%s" % (config["rhost"], config["rport"])))
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90
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91 b = memory_backend
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92 bs = b.BackendService()
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93
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94 component.IService(bs).setServiceParent(sm)
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95
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96 bsc = b.PublishService()
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97 bsc.setServiceParent(bs)
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98 component.IService(bsc).setServiceParent(sm)
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99
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100 bsc = b.NotificationService()
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101 bsc.setServiceParent(bs)
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102 component.IService(bsc).setServiceParent(sm)
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103
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104 bsc = b.NodeCreationService()
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105 bsc.setServiceParent(bs)
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106 component.IService(bsc).setServiceParent(sm)
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107
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108 bsc = b.SubscriptionService()
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109 bsc.setServiceParent(bs)
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110 component.IService(bsc).setServiceParent(sm)
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111
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112 s = IdavollService()
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113 s.setServiceParent(sm)
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114
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115 sm.setServiceParent(serviceCollection)
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116
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117 # other stuff
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118
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119 return sm