Mercurial > libervia-backend

annotate src/plugins/plugin_xep_0163.py @ 751:1def5b7edf9f

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core, bridge: better GenericException handling
author Goffi <goffi@goffi.org>
date Tue, 17 Dec 2013 00:56:39 +0100
parents 3c304929af74
children bfabeedbf32e
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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 # SAT plugin for Personal Eventing Protocol (xep-0163)
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5 # Copyright (C) 2009, 2010, 2011, 2012, 2013 Jérôme Poisson (goffi@goffi.org)
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7 # This program is free software: you can redistribute it and/or modify
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8 # it under the terms of the GNU Affero General Public License as published by
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9 # the Free Software Foundation, either version 3 of the License, or
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10 # (at your option) any later version.
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11
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12 # This program is distributed in the hope that it will be useful,
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13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 # GNU Affero General Public License for more details.
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17 # You should have received a copy of the GNU Affero General Public License
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18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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19
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20 from logging import debug, info, error
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21 from twisted.internet import protocol
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22 from twisted.words.protocols.jabber import client, jid
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23 from twisted.words.protocols.jabber import error as jab_error
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24 import twisted.internet.error
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25 from twisted.words.xish import domish
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27 from wokkel import disco, pubsub
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28 from wokkel.formats import Mood
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29 from sat.core import exceptions
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31 NS_USER_MOOD = 'http://jabber.org/protocol/mood'
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32
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33 PLUGIN_INFO = {
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34 "name": "Personal Eventing Protocol Plugin",
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35 "import_name": "XEP-0163",
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36 "type": "XEP",
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37 "protocols": ["XEP-0163", "XEP-0107"],
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38 "dependencies": ["XEP-0060"],
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39 "main": "XEP_0163",
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40 "handler": "no",
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41 "description": _("""Implementation of Personal Eventing Protocol""")
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42 }
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44
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45 class XEP_0163(object):
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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", ".plugin", signature='ssa{ss}s') # args: from (jid), type(MOOD, TUNE, etc), data, profile
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54 host.bridge.addMethod("sendPersonalEvent", ".plugin", in_sign='sa{ss}s', out_sign='', method=self.sendPersonalEvent, async=True) # args: type(MOOD, TUNE, etc), data, profile_key;
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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=None, 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 (must return a deferred)
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71 @param notify: add autosubscribe (+notify) if True"""
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72 if out_callback:
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73 self.pep_out_cb[event_type] = out_callback
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74 self.pep_events.add(name)
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75 if notify:
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76 self.pep_events.add(name + "+notify")
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77 self.host.plugins["XEP-0060"].addManagedNode(name, in_callback)
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78
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79 def sendPEPEvent(self, namespace, data, profile):
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80 """Publish the event data
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81 @param namespace: node namespace
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82 @param data: domish.Element to use as payload
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83 @param profile: profile which send the data"""
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84
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85 item = pubsub.Item(payload=data)
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86 return self.host.plugins["XEP-0060"].publish(None, namespace, [item], profile_key=profile)
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87
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88 def sendPersonalEvent(self, event_type, data, profile_key='@DEFAULT@'):
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89 """Send personal event after checking the data is alright
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90 @param event_type: type of event (eg: MOOD, TUNE), must be in self.pep_out_cb.keys()
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91 @param data: dict of {string:string} of event_type dependant data
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92 @param profile_key: profile who send the event
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93 """
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94 profile = self.host.memory.getProfileName(profile_key)
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95 if not profile:
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96 error(_('Trying to send personal event with an unknown profile key [%s]') % profile_key)
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97 raise exceptions.ProfileUnknownError
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98 if not event_type in self.pep_out_cb.keys():
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99 error(_('Trying to send personal event for an unknown type'))
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100 raise DataError('Type unknown')
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101 return self.pep_out_cb[event_type](data, profile)
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102
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103 def userMoodCB(self, itemsEvent, profile):
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104 if not itemsEvent.items:
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105 debug(_("No item found"))
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106 return
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107 try:
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108 mood_elt = [child for child in itemsEvent.items[0].elements() if child.name == "mood"][0]
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109 except IndexError:
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110 error(_("Can't find mood element in mood event"))
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111 return
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112 mood = Mood.fromXml(mood_elt)
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113 if not mood:
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114 debug(_("No mood found"))
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115 return
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116 self.host.bridge.personalEvent(itemsEvent.sender.full(), "MOOD", {"mood": mood.value or "", "text": mood.text or ""}, profile)
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117
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118 def sendMood(self, data, profile):
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119 """Send XEP-0107's User Mood
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120 @param data: must include mood and text
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121 @param profile: profile which send the mood"""
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122 try:
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123 value = data['mood'].lower()
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124 text = data['text'] if 'text' in data else ''
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Goffi <goffi@goffi.org>
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125 except KeyError:
704
3c304929af74 plugin XEP-0277, group blogs: proper asynchronous methods for sending blogs.
Goffi <goffi@goffi.org>
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126 raise exceptions.DataError("Mood data must contain at least 'mood' key")
660
69a8bfd266a5 core, plugins: fixed bad use of children instead of elements() for domish.Element instances.
Goffi <goffi@goffi.org>
parents: 609
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127 mood = UserMood(value, text)
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3c304929af74 plugin XEP-0277, group blogs: proper asynchronous methods for sending blogs.
Goffi <goffi@goffi.org>
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128 return self.sendPEPEvent(NS_USER_MOOD, mood, profile)
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129
594
e629371a28d3 Fix pep8 support in src/plugins.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
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130
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131 class UserMood(Mood, domish.Element):
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132 """Improved wokkel Mood which is also a domish.Element"""
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Goffi <goffi@goffi.org>
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133
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134 def __init__(self, value, text=None):
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135 Mood.__init__(self, value, text)
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parents: 283
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136 domish.Element.__init__(self, (NS_USER_MOOD, 'mood'))
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Goffi <goffi@goffi.org>
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137 self.addElement(value)
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Goffi <goffi@goffi.org>
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138 if text:
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Goffi <goffi@goffi.org>
parents: 283
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139 self.addElement('text', content=text)