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annotate src/plugins/plugin_exp_parrot.py @ 603:1d6f48ae31d1

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plugin parrot: sendMessage now avoid triggers
author Goffi <goffi@goffi.org>
date Fri, 22 Feb 2013 00:19:32 +0100
parents 6fd1095b2b7b
children 84a6e83157c2
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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 parrot mode (experimental)
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6 Copyright (C) 2009, 2010, 2011, 2012, 2013 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 Affero 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 Affero 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 Affero 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, warning, error
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23 from twisted.words.protocols.jabber import jid
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24
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25 from sat.core.exceptions import UnknownEntityError
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26 #from sat.tools.misc import SkipOtherTriggers
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27
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28 PLUGIN_INFO = {
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29 "name": "Parrot Plugin",
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30 "import_name": "EXP-PARROT",
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31 "type": "EXP",
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32 "protocols": [],
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33 "dependencies": ["XEP-0045"],
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34 "main": "Exp_Parrot",
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35 "handler": "no",
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36 "description": _("""Implementation of parrot mode (repeat messages between 2 entities)""")
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37 }
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38
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39
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40 class Exp_Parrot(object):
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41 """Parrot mode plugin: repeat messages from one entity or MUC room to another one"""
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42 #XXX: This plugin can be potentially dangerous if we don't trust entities linked
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43 # this is specially true if we have other triggers.
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44 # sendMessageTrigger avoid other triggers execution, it's deactivated to allow
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45 # /unparrot command in text commands plugin.
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46
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47 def __init__(self, host):
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48 info(_("Plugin Parrot initialization"))
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49 self.host = host
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50 host.trigger.add("MessageReceived", self.MessageReceivedTrigger, priority=100)
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51 #host.trigger.add("sendMessage", self.sendMessageTrigger, priority=100)
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52
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53 #def sendMessageTrigger(self, mess_data, profile):
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54 # """ Deactivate other triggers if recipient is in parrot links """
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55 # client = self.host.getClient(profile)
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56 # try:
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57 # _links = client.parrot_links
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58 # except AttributeError:
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59 # return True
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60 #
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61 # if mess_data['to'].userhostJID() in _links.values():
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62 # debug("Parrot link detected, skipping other triggers")
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63 # raise SkipOtherTriggers
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64
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65 def MessageReceivedTrigger(self, message, profile):
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66 """ Check if source is linked and repeat message, else do nothing """
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67 client = self.host.getClient(profile)
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68 from_jid = jid.JID(message["from"])
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69
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70 try:
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71 _links = client.parrot_links
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72 except AttributeError:
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73 return True
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74
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75 if not from_jid.userhostJID() in _links:
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76 return True
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77
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78 for e in message.elements():
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79 if e.name == "body":
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80 mess_body = e.children[0] if e.children else ""
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81
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82 try:
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83 entity_type = self.host.memory.getEntityData(from_jid, ['type'], profile)["type"]
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84 except (UnknownEntityError, KeyError):
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85 entity_type = "contact"
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86 if entity_type == 'chatroom':
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87 src_txt = from_jid.resource
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88 if src_txt == self.host.plugins["XEP-0045"].getRoomNick(from_jid.userhost(), profile):
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89 #we won't repeat our own messages
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90 return True
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91 else:
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92 src_txt = from_jid.user
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93 msg = "[%s] %s" % (src_txt, mess_body)
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94
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95 linked = _links[from_jid.userhostJID()]
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96
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97 self.host.sendMessage(jid.JID(unicode(linked)), msg, None, "auto", no_trigger=True, profile_key=profile)
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98 else:
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99 warning("No body element found in message, following normal behaviour")
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100
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101 return True
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102
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103 def addParrot(self, source_jid, dest_jid, profile):
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104 """Add a parrot link from one entity to another one
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105 @param source_jid: entity from who messages will be repeated
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106 @param dest_jid: entity where the messages will be repeated
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107 @param profile: %(doc_profile_key)s"""
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108 client = self.host.getClient(profile)
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109 try:
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110 _links = client.parrot_links
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111 except AttributeError:
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112 _links = client.parrot_links = {}
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113
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114 _links[source_jid.userhostJID()] = dest_jid
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115 info("Parrot mode: %s will be repeated to %s" % (source_jid.userhost(), unicode(dest_jid)))
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116
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117 def removeParrot(self, source_jid, profile):
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118 """Remove parrot link
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119 @param source_jid: this entity will no more be repeated
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120 @param profile: %(doc_profile_key)s"""
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121 client = self.host.getClient(profile)
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122 try:
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123 del client.parrot_links[source_jid.userhostJID()]
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124 except (AttributeError, KeyError):
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125 pass