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annotate src/tools/misc.py @ 504:65ecbb473cbb

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core, quick frontend, plugin xep-0054, bridge: use of memory's entities data for vcard: - bridge: new bridge method getEntityData and signal entityDataUpdated - core: entityDataUpdated signal sent on new string data - quick frontend: fixed avatars/vcard infos, fixed _replace in quick_contact_list - plugin xep-0054: dropped updatedValue signal, use entities data instead
author Goffi <goffi@goffi.org>
date Wed, 26 Sep 2012 01:23:56 +0200
parents e9634d2e7b38
children 7ee15fbe8c08
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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: a jabber client
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6 Copyright (C) 2009, 2010, 2011, 2012 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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2a072735e459 Licence modification: the full project is now under AGPL v3+ instead of GPL v3+
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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, error
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24 """Misc usefull classes"""
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25
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26 class TriggerException(Exception):
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27 pass
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29 class TriggerManager:
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30 """This class manage triggers: code which interact to change de behaviour of SàT"""
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31
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32 def __init__(self):
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33 self.__triggers={}
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34
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35 def add(self, point_name, callback):
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36 """Add a trigger to a point
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37 @param point_name: name of the point when the trigger should be run
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38 @param callback: method to call at the trigger point
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39 """
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40 if not self.__triggers.has_key(point_name):
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41 self.__triggers[point_name]=[]
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42 self.__triggers[point_name].append(callback)
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43
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44 def remove(self, point_name, callback):
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45 """Remove a trigger from a point
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46 @param point_name: name of the point when the trigger should be run
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47 @param callback: method to remove, must exists in the trigger point"""
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48 try:
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49 self.__triggers[point_name].remove(callback)
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50 except (KeyError,ValueError):
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51 raise TriggerException("Trying to remove an unexisting trigger")
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54 def point(self, point_name, *args, **kwargs):
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55 """This put a trigger point
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56 All the trigger for that point will be run
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57 @param point_name: name of the trigger point
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58 @return: True if the action must be continued, False else"""
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59 if not self.__triggers.has_key(point_name):
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60 return True
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61
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62 for trigger in self.__triggers[point_name]:
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63 if not trigger(*args, **kwargs):
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64 return False
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65 return True
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