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annotate src/plugins/plugin_xep_0163.py @ 290:59a82af700e2

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plugin xep 163: added generic sendPEPEvent method
author Goffi <goffi@goffi.org>
date Sun, 06 Feb 2011 23:46:48 +0100
parents 3b382fa0ac28
children 0aa6ca6cdbdd
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1 #!/usr/bin/python
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2 # -*- coding: utf-8 -*-
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3
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4 """
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5 SAT plugin for Personal Eventing Protocol (xep-0163)
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6 Copyright (C) 2009, 2010, 2011 Jérôme Poisson (goffi@goffi.org)
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7
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8 This program is free software: you can redistribute it and/or modify
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9 it under the terms of the GNU General Public License as published by
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10 the Free Software Foundation, either version 3 of the License, or
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11 (at your option) any later version.
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12
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13 This program is distributed in the hope that it will be useful,
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14 but WITHOUT ANY WARRANTY; without even the implied warranty of
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15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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16 GNU General Public License for more details.
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17
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18 You should have received a copy of the GNU General Public License
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19 along with this program. If not, see <http://www.gnu.org/licenses/>.
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20 """
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21
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22 from logging import debug, info, error
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23 from twisted.internet import protocol
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24 from twisted.words.protocols.jabber import client, jid
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25 from twisted.words.protocols.jabber import error as jab_error
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26 import twisted.internet.error
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27 from twisted.words.xish import domish
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28
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29 from wokkel import disco,pubsub
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30 from wokkel.formats import Mood
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31
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32 NS_USER_MOOD = 'http://jabber.org/protocol/mood'
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33
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34 PLUGIN_INFO = {
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35 "name": "Personal Eventing Protocol Plugin",
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36 "import_name": "XEP-0163",
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37 "type": "XEP",
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38 "protocols": ["XEP-0163", "XEP-0107"],
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39 "dependencies": ["XEP-0060"],
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40 "main": "XEP_0163",
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41 "handler": "no",
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42 "description": _("""Implementation of Personal Eventing Protocol""")
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43 }
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44
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45 class XEP_0163():
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46
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47 def __init__(self, host):
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48 info(_("PEP plugin initialization"))
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49 self.host = host
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50 self.pep_events=set()
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51 self.pep_out_cb={}
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52 host.trigger.add("PubSub Disco Info", self.disoInfoTrigger)
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53 host.bridge.addSignal("personalEvent", ".communication", signature='ssa{ss}s') #args: from (jid), type(MOOD, TUNE, etc), data, profile
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54 host.bridge.addMethod("sendPersonalEvent", ".communication", in_sign='sa{ss}s', out_sign='i', method=self.sendPersonalEvent) #args: type(MOOD, TUNE, etc), data, profile_key; return 0 or error_code
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55 self.addPEPEvent("MOOD", NS_USER_MOOD, self.userMoodCB, self.sendMood)
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56
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57 def disoInfoTrigger(self, disco_info, profile):
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58 """Add info from managed PEP
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59 @param disco_info: list of disco feature as returned by PubSub,
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60 will be filled with PEP features
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61 @param profile: profile we are handling"""
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62 disco_info.extend(map(disco.DiscoFeature, self.pep_events))
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63 return True
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64
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65 def addPEPEvent(self, event_type, name, in_callback, out_callback, notify = True):
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66 """Add a Personal Eventing Protocol event manager
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67 @param event_type: type of the event (always uppercase), can be MOOD, TUNE, etc
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68 @param name: namespace of the node (e.g. http://jabber.org/protocol/mood for User Mood)
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69 @param in_callback: method to call when this event occur
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70 @param out_callback: method to call when we want to publish this event
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71 @param notify: add autosubscribe (+notify) if True"""
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72 self.pep_out_cb[event_type]=out_callback
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73 self.pep_events.add(name)
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74 if notify:
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75 self.pep_events.add(name+"+notify")
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76 self.host.plugins["XEP-0060"].addManagedNode(name, in_callback)
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77
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78 def sendPEPEvent(self, namespace, data, profile):
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79 """Publish the event data
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80 @param namespace: node namespace
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81 @param data: domish.Element to use as payload
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82 @param profile: profile which send the data"""
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83
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84 item = pubsub.Item(payload=data)
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85 self.host.plugins["XEP-0060"].publish(None, namespace, [item], profile_key = profile)
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86
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87 def sendPersonalEvent(self, event_type, data, profile_key='@DEFAULT@'):
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88 """Send personal event after checking the data is alright
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89 @param event_type: type of event (eg: MOOD, TUNE), must be in self.pep_out_cb.keys()
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90 @param data: dict of {string:string} of event_type dependant data
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91 @param profile_key: profile who send the event
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92 @return: 0 if success, error code else"""
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93 profile = self.host.memory.getProfileName(profile_key)
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94 if not profile:
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95 error(_('Trying to send personal event with an unknown profile key [%s]') % profile_key)
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96 return 1
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97 if not event_type in self.pep_out_cb.keys():
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98 error (_('Trying to send personal event for an unknown type'))
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99 return 2
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100 return self.pep_out_cb[event_type](data, profile)
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101
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102 def userMoodCB(self, itemsEvent, profile):
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103 try:
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104 mood_elem = filter(lambda x:x.name == "mood", itemsEvent.items[0].children)[0]
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105 except KeyError:
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106 error(_("Can't find mood element in mood event"))
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107 return
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108 _mood = Mood.fromXml(mood_elem)
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109 if not _mood:
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110 debug(_("No mood found"))
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111 return
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112 self.host.bridge.personalEvent(itemsEvent.sender.full(), "MOOD", {"mood":_mood.value or "", "text":_mood.text or ""}, profile)
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113
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114 def sendMood(self, data, profile):
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115 """Send XEP-0107's User Mood
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116 @param data: must include mood and text
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117 @param profile: profile which send the mood"""
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118 try:
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119 value = data['mood'].lower()
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120 text = data['text'] if data.has_key('text') else ''
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121 except KeyError:
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122 error(_("Mood data must contain at least 'mood' key"))
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123 return 3
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124 _mood = UserMood(value, text)
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125 self.sendPEPEvent(NS_USER_MOOD, _mood, profile)
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126 return 0
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127
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128 class UserMood(Mood, domish.Element):
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129 """Improved wokkel Mood which is also a domish.Element"""
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130
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131 def __init__(self, value, text=None):
3b382fa0ac28 plugin xep-0163: added mood publishing
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132 Mood.__init__(self, value, text)
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133 domish.Element.__init__(self, (NS_USER_MOOD, 'mood'))
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134 self.addElement(value)
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135 if text:
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136 self.addElement('text', content=text)
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137