Mercurial > libervia-backend
annotate tools/memory.py @ 57:a5b5fb5fc9fd
updated README and copyright note
- fixed images path in README
- added year 2010 in all copyright notes
author | Goffi <goffi@goffi.org> |
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date | Sun, 10 Jan 2010 17:51:56 +1100 |
parents | 9aa2d9dd4045 |
children | 9764e027ecc0 |
rev | line source |
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0 | 1 #!/usr/bin/python |
2 # -*- coding: utf-8 -*- | |
3 | |
4 """ | |
5 SAT: a jabber client | |
57 | 6 Copyright (C) 2009, 2010 Jérôme Poisson (goffi@goffi.org) |
0 | 7 |
8 This program is free software: you can redistribute it and/or modify | |
9 it under the terms of the GNU General Public License as published by | |
10 the Free Software Foundation, either version 3 of the License, or | |
11 (at your option) any later version. | |
12 | |
13 This program is distributed in the hope that it will be useful, | |
14 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 GNU General Public License for more details. | |
17 | |
18 You should have received a copy of the GNU General Public License | |
19 along with this program. If not, see <http://www.gnu.org/licenses/>. | |
20 """ | |
21 | |
22 from __future__ import with_statement | |
23 | |
24 import os.path | |
25 import time | |
26 import pickle | |
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27 from xml.dom import minidom |
0 | 28 from logging import debug, info, error |
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29 import pdb |
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30 from twisted.internet import defer |
47 | 31 from twisted.words.protocols.jabber import jid |
0 | 32 |
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33 SAVEFILE_PARAM="/param" |
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34 SAVEFILE_HISTORY="/history" |
47 | 35 SAVEFILE_PRIVATE="/private" #file used to store misc values (mainly for plugins) |
0 | 36 |
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37 class Param(): |
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38 """This class manage parameter with xml""" |
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39 ### TODO: add desciption in params |
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40 |
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41 #TODO: mettre Watched dans un plugin |
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42 default_xml = u""" |
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43 <params> |
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44 <category name="Connection"> |
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45 <param name="JabberID" value="goffi@necton2.int/TestScript" type="string" /> |
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46 <param name="Password" value="toto" type="password" /> |
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47 <param name="Server" value="necton2.int" type="string" /> |
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48 <param name="NewAccount" value="Register new account" type="button" callback="registerNewAccount"/> |
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49 </category> |
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50 <category name="Misc"> |
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51 <param name="Watched" value="test@Jabber.goffi.int" type="string" /> |
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52 </category> |
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53 </params> |
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54 """ |
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55 |
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56 def load_default_params(self): |
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57 self.dom = minidom.parseString(Param.default_xml.encode('utf-8')) |
38 | 58 |
59 def load(self, file): | |
60 """Load parameters from file""" | |
61 self.dom = minidom.parse(file) | |
62 | |
63 def save(self, file): | |
64 """Save parameters to xml file""" | |
65 with open(file, 'wb') as xml_file: | |
66 self.dom.writexml(xml_file) | |
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67 |
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68 def __init__(self, host): |
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69 debug("Parameters init") |
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70 self.host = host |
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71 host.set_const('savefile_param', SAVEFILE_PARAM) |
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72 host.set_const('savefile_history', SAVEFILE_HISTORY) |
47 | 73 host.set_const('savefile_private', SAVEFILE_PRIVATE) |
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74 host.registerGeneralCB("registerNewAccount", host.registerNewAccountCB) |
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75 |
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76 def __get_unique_node(self, parent, tag, name): |
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77 """return node with given tag, create a new one if the node doesn't exist |
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78 @param parent: parent of nodes to check (e.g. documentElement) |
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79 @param tag: tag to check (e.g. "category") |
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80 @param name: name to check (e.g. "JID") |
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81 @return: node if it exist or None |
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82 """ |
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83 for node in parent.childNodes: |
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84 if node.nodeName == tag and node.getAttribute("name") == name: |
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85 #the node already exists |
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86 return node |
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87 #the node is new |
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88 return None |
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89 |
38 | 90 def importParams(self, xml): |
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91 """import xml in parameters, do nothing if the param already exist |
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92 @param xml: parameters in xml form""" |
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93 src_dom = minidom.parseString(xml.encode('utf-8')) |
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94 |
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95 def import_node(tgt_parent, src_parent): |
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96 for child in src_parent.childNodes: |
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97 if child.nodeName == '#text': |
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98 continue |
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99 node = self.__get_unique_node(tgt_parent, child.nodeName, child.getAttribute("name")) |
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100 if not node: #The node is new |
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101 tgt_parent.appendChild(child) |
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102 else: |
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103 import_node(node, child) |
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104 |
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105 import_node(self.dom.documentElement, src_dom.documentElement) |
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106 |
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107 def __default_ok(self, value, name, category): |
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108 self.setParam(name, value, category) |
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109 |
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110 def __default_ko(self, failure, name, category): |
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111 error ("Can't determine default value for [%s/%s]: %s" % (category, name, str(failure.value))) |
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112 |
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113 def setDefault(self, name, category, callback, errback=None): |
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114 """Set default value of parameter |
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115 'default_cb' attibute of parameter must be set to 'yes' |
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116 @param name: name of the parameter |
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117 @param category: category of the parameter |
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118 @param callback: must return a string with the value (use deferred if needed) |
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119 @param errback: must manage the error with args failure, name, category |
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120 """ |
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121 #TODO: send signal param update if value changed |
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122 node = self.__getParamNode(name, category) |
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123 if not node: |
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124 error("Requested param [%s] in category [%s] doesn't exist !" , name, category) |
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125 return |
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126 if node.getAttribute('default_cb') == 'yes': |
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127 del node.attributes['default_cb'] |
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128 d = defer.maybeDeferred(callback) |
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129 d.addCallback(self.__default_ok, name, category) |
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130 d.addErrback(errback or self.__default_ko, name, category) |
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131 |
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132 def getParamA(self, name, category, attr="value"): |
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133 """Helper method to get a specific attribute |
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134 @param name: name of the parameter |
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135 @param category: category of the parameter |
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136 @param attr: name of the attribute (default: "value") |
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137 |
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138 @return: attribute""" |
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139 node = self.__getParamNode(name, category) |
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140 if not node: |
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141 error("Requested param [%s] in category [%s] doesn't exist !" , name, category) |
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142 return None |
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143 return node.getAttribute(attr) |
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144 |
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145 def getParams(self): |
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146 """Return the whole params XML""" |
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147 return self.dom.toxml() |
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148 |
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149 def getParamsForCategory(self, category): |
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150 """Return node's xml for selected category""" |
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151 for node in self.dom.documentElement.childNodes: |
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152 if node.nodeName == "category" and node.getAttribute("name") == category: |
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153 return node.toxml() |
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154 return "<category />" |
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155 |
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156 def __getParamNode(self, name, category): |
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157 for node in self.dom.documentElement.childNodes: |
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158 if node.nodeName == "category" and node.getAttribute("name") == category: |
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159 params = node.getElementsByTagName("param") |
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160 for param in params: |
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161 if param.getAttribute("name") == name: |
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162 return param |
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163 return None |
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164 |
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165 def getParamsCategories(self): |
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166 """return the categories availables""" |
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167 categories=[] |
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168 for cat in self.dom.getElementsByTagName("category"): |
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169 categories.append(cat.getAttribute("name")) |
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170 return categories |
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171 |
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172 def setParam(self, name, value, category): |
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173 node = self.__getParamNode(name, category) |
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174 if not node: |
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175 return #TODO: throw an error |
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176 type = node.getAttribute("type") |
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177 if type=="button": |
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178 print "clique",node.toxml() |
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179 else: |
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180 node.setAttribute("value", value) |
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181 self.host.bridge.paramUpdate(name, value, category) |
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182 |
0 | 183 class Memory: |
184 """This class manage all persistent informations""" | |
185 | |
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186 def __init__(self, host): |
0 | 187 info ("Memory manager init") |
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188 self.host = host |
47 | 189 self.contacts={} |
0 | 190 self.presenceStatus={} |
47 | 191 self.subscriptions={} |
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192 self.params=Param(host) |
47 | 193 self.history={} #used to store chat history (key: short jid) |
194 self.private={} #used to store private value | |
0 | 195 self.disco={} #XXX: maybe best in a separate class |
196 self.features={} | |
197 self.load() | |
198 | |
199 def load(self): | |
200 """Load parameters and all memory things from file/db""" | |
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201 param_file = os.path.expanduser(self.host.get_const('local_dir')+ |
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202 self.host.get_const('savefile_param')) |
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203 history_file = os.path.expanduser(self.host.get_const('local_dir')+ |
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204 self.host.get_const('savefile_history')) |
47 | 205 private_file = os.path.expanduser(self.host.get_const('local_dir')+ |
206 self.host.get_const('savefile_private')) | |
0 | 207 |
38 | 208 #parameters |
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209 if os.path.exists(param_file): |
0 | 210 try: |
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211 self.params.load(param_file) |
0 | 212 debug("params loaded") |
213 except: | |
214 error ("Can't load params !") | |
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215 self.params.load_default_params() |
0 | 216 else: |
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217 error ("No params, using default parameters") |
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218 self.params.load_default_params() |
0 | 219 |
220 #history | |
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221 if os.path.exists(history_file): |
0 | 222 try: |
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223 with open(history_file, 'r') as history_pickle: |
0 | 224 self.history=pickle.load(history_pickle) |
225 debug("history loaded") | |
226 except: | |
227 error ("Can't load history !") | |
228 | |
47 | 229 #private |
230 if os.path.exists(private_file): | |
231 try: | |
232 with open(private_file, 'r') as private_pickle: | |
233 self.private=pickle.load(private_pickle) | |
234 debug("private values loaded") | |
235 except: | |
236 error ("Can't load private values !") | |
0 | 237 |
238 def save(self): | |
239 """Save parameters and all memory things to file/db""" | |
38 | 240 #TODO: need to encrypt files (at least passwords !) and set permissions |
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241 param_file = os.path.expanduser(self.host.get_const('local_dir')+ |
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242 self.host.get_const('savefile_param')) |
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243 history_file = os.path.expanduser(self.host.get_const('local_dir')+ |
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244 self.host.get_const('savefile_history')) |
47 | 245 private_file = os.path.expanduser(self.host.get_const('local_dir')+ |
246 self.host.get_const('savefile_private')) | |
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247 |
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248 self.params.save(param_file) |
38 | 249 debug("params saved") |
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250 with open(history_file, 'w') as history_pickle: |
0 | 251 pickle.dump(self.history, history_pickle) |
38 | 252 debug("history saved") |
47 | 253 with open(private_file, 'w') as private_pickle: |
254 pickle.dump(self.private, private_pickle) | |
255 debug("private values saved") | |
0 | 256 |
257 def addToHistory(self, me_jid, from_jid, to_jid, type, message): | |
258 me_short=me_jid.userhost() | |
259 from_short=from_jid.userhost() | |
260 to_short=to_jid.userhost() | |
261 | |
262 if from_jid==me_jid: | |
263 key=to_short | |
264 else: | |
265 key=from_short | |
266 | |
267 if not self.history.has_key(me_short): | |
268 self.history[me_short]={} | |
269 if not self.history[me_short].has_key(key): | |
270 self.history[me_short][key]={} | |
271 | |
272 self.history[me_short][key][int(time.time())] = (from_short, message) | |
273 | |
274 def getHistory(self, from_jid, to_jid, size): | |
275 ret={} | |
276 if not self.history.has_key(from_jid): | |
277 error("source JID not found !") | |
278 #TODO: throw an error here | |
279 return {} | |
280 if not self.history[from_jid].has_key(to_jid): | |
281 error("dest JID not found !") | |
282 #TODO: throw an error here | |
283 return {} | |
284 stamps=self.history[from_jid][to_jid].keys() | |
285 stamps.sort() | |
286 for stamp in stamps[-size:]: | |
287 ret[stamp]=self.history[from_jid][to_jid][stamp] | |
288 | |
289 return ret | |
290 | |
47 | 291 def setPrivate(self, key, value): |
292 """Save a misc private value (mainly useful for plugins)""" | |
293 self.private[key] = value | |
294 | |
295 def getPrivate(self, key): | |
296 """return a private value | |
297 @param key: name of wanted value | |
298 @return: value or None if value don't exist""" | |
299 if self.private.has_key(key): | |
300 return self.private[key] | |
301 return None | |
302 | |
303 | |
304 def addContact(self, contact_jid, attributes, groups): | |
305 debug("Memory addContact: %s",contact_jid.userhost()) | |
0 | 306 assert(isinstance(attributes,dict)) |
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307 assert(isinstance(groups,set)) |
47 | 308 self.contacts[contact_jid.userhost()]=[attributes, groups] |
0 | 309 |
47 | 310 def delContact(self, contact_jid): |
311 debug("Memory delContact: %s",contact_jid.userhost()) | |
312 if self.contacts.has_key(contact_jid.userhost()): | |
313 del self.contacts[contact_jid.userhost()] | |
314 | |
315 def getContact(self, contact_jid): | |
316 if self.contacts.has_key(contact_jid.userhost()): | |
317 self.contacts[contact_jid.userhost()] | |
318 else: | |
319 return None | |
320 | |
0 | 321 def getContacts(self): |
47 | 322 debug ("Memory getContact OK (%s)", self.contacts) |
0 | 323 ret=[] |
47 | 324 for contact in self.contacts: |
325 attr, groups = self.contacts[contact] | |
326 ret.append([contact, attr, groups ]) | |
0 | 327 return ret |
47 | 328 |
329 def addPresenceStatus(self, contact_jid, show, priority, statuses): | |
330 if not self.presenceStatus.has_key(contact_jid.userhost()): | |
331 self.presenceStatus[contact_jid.userhost()] = {} | |
332 resource = jid.parse(contact_jid.full())[2] or '' | |
333 self.presenceStatus[contact_jid.userhost()][resource] = (show, priority, statuses) | |
334 | |
335 def addWaitingSub(self, type, contact_jid): | |
336 """Called when a subcription request is received""" | |
337 self.subscriptions[contact_jid] = type | |
338 | |
339 def delWaitingSub(self, contact_jid): | |
340 """Called when a subcription request is finished""" | |
341 if self.subscriptions.has_key(contact_jid): | |
342 del self.subscriptions[contact_jid] | |
343 | |
344 def getWaitingSub(self): | |
345 """Called to get a list of currently waiting subscription requests""" | |
346 return self.subscriptions | |
0 | 347 |
348 def getPresenceStatus(self): | |
47 | 349 debug ("Memory getPresenceStatus (%s)", self.presenceStatus) |
350 return self.presenceStatus | |
0 | 351 |
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352 def getParamA(self, name, category, attr="value"): |
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353 return self.params.getParamA(name, category, attr) |
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354 |
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355 def getParams(self): |
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356 return self.params.getParams() |
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357 |
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358 def getParamsForCategory(self, category): |
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359 return self.params.getParamsForCategory(category) |
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360 |
0 | 361 def getParamsCategories(self): |
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362 return self.params.getParamsCategories() |
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363 |
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364 def setParam(self, name, value, category): |
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365 return self.params.setParam(name, value, category) |
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366 |
38 | 367 def importParams(self, xml): |
368 return self.params.importParams(xml) | |
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369 |
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370 def setDefault(self, name, category, callback, errback=None): |
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371 return self.params.setDefault(name, category, callback, errback) |