Mercurial > libervia-backend
annotate tools/memory.py @ 63:0db25931b60d
SàT: multi-profiles: somes fixes in core
author | Goffi <goffi@goffi.org> |
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date | Fri, 29 Jan 2010 14:17:15 +1100 |
parents | 93cb45a7420f |
children | d46f849664aa |
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 |
61 | 33 SAVEFILE_PARAM_XML="/param" #xml parameters template |
34 SAVEFILE_PARAM_DATA="/param" #individual & general parameters; _ind and _gen suffixes will be added | |
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35 SAVEFILE_HISTORY="/history" |
47 | 36 SAVEFILE_PRIVATE="/private" #file used to store misc values (mainly for plugins) |
0 | 37 |
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38 class Param(): |
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39 """This class manage parameter with xml""" |
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40 ### TODO: add desciption in params |
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41 |
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42 #TODO: mettre Watched dans un plugin |
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43 default_xml = u""" |
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44 <params> |
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45 <general> |
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46 </general> |
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47 <individual> |
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48 <category name="Connection"> |
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49 <param name="JabberID" value="goffi@necton2.int/TestScript" type="string" /> |
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50 <param name="Password" value="toto" type="password" /> |
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51 <param name="Server" value="necton2.int" type="string" /> |
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52 <param name="NewAccount" value="Register new account" type="button" callback="registerNewAccount"/> |
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53 </category> |
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54 <category name="Misc"> |
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55 <param name="Watched" value="test@Jabber.goffi.int" type="string" /> |
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56 </category> |
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57 </individual> |
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58 </params> |
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59 """ |
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60 |
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61 def load_default_params(self): |
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62 self.dom = minidom.parseString(Param.default_xml.encode('utf-8')) |
38 | 63 |
61 | 64 def load_xml(self, file): |
65 """Load parameters template from file""" | |
38 | 66 self.dom = minidom.parse(file) |
67 | |
61 | 68 def load_data(self, file): |
69 """Load parameters data from file""" | |
70 file_ind = file + '_ind' | |
71 file_gen = file + '_gen' | |
72 | |
73 if os.path.exists(file_gen): | |
74 try: | |
75 with open(file_gen, 'r') as file_gen_pickle: | |
76 self.params_gen=pickle.load(file_gen_pickle) | |
77 debug("general params data loaded") | |
78 except: | |
79 error ("Can't load general params data !") | |
80 | |
81 if os.path.exists(file_ind): | |
82 try: | |
83 with open(file_ind, 'r') as file_ind_pickle: | |
84 self.params=pickle.load(file_ind_pickle) | |
85 debug("individual params data loaded") | |
86 except: | |
87 error ("Can't load individual params data !") | |
88 | |
89 def save_xml(self, file): | |
90 """Save parameters template to xml file""" | |
38 | 91 with open(file, 'wb') as xml_file: |
92 self.dom.writexml(xml_file) | |
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93 |
61 | 94 def save_data(self, file): |
95 """Save parameters data to file""" | |
96 #TODO: save properly in a separate file/database, | |
97 # use different behaviour depending of the data type (e.g. password encrypted) | |
98 | |
99 #general params | |
100 with open(file+'_gen', 'w') as param_gen_pickle: | |
101 pickle.dump(self.params_gen, param_gen_pickle) | |
102 | |
103 #then individual params | |
104 with open(file+'_ind', 'w') as param_ind_pickle: | |
105 pickle.dump(self.params, param_ind_pickle) | |
106 | |
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107 def __init__(self, host): |
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108 debug("Parameters init") |
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109 self.host = host |
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110 self.default_profile = None |
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111 self.params = {'goffi':{}} #gof: |
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112 self.params_gen = {} |
61 | 113 host.set_const('savefile_param_xml', SAVEFILE_PARAM_XML) |
114 host.set_const('savefile_param_data', SAVEFILE_PARAM_DATA) | |
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115 host.registerGeneralCB("registerNewAccount", host.registerNewAccountCB) |
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116 |
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117 def getProfilesList(self): |
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118 return self.params.keys() |
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119 |
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120 def createProfile(self, name, default=False): |
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121 """Create a new profile |
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122 @param name: Name of the profile |
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123 @param default: True if default value""" |
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124 if self.params.has_key(name): |
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125 info ('The profile name already exists') |
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126 return 1 |
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127 self.params[name]={} |
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128 return 0 |
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129 |
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130 def getProfileName(self, profile_key): |
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131 """return profile according to profile_key |
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132 @param profile_key: profile name or key which can be |
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133 @ALL@ for all profiles |
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134 @DEFAULT@ for default profile |
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135 @return: requested profile name or None if it doesn't exist""" |
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136 if profile_key=='@DEFAULT@': |
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137 if not self.params: |
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138 return None |
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139 info('No default profile, returning first one') #TODO: manage real default profile |
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140 return self.params.keys()[0] #FIXME: gof: temporary, must use real default value, and fallback to first one if it doesn't exists |
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141 if not self.params.has_key(profile_key): |
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142 error ('Trying to access an unknown profile') |
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143 return None |
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144 return profile_key |
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145 |
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146 def __get_unique_node(self, parent, tag, name): |
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147 """return node with given tag |
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148 @param parent: parent of nodes to check (e.g. documentElement) |
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149 @param tag: tag to check (e.g. "category") |
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150 @param name: name to check (e.g. "JID") |
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151 @return: node if it exist or None |
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152 """ |
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153 for node in parent.childNodes: |
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154 if node.nodeName == tag and node.getAttribute("name") == name: |
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155 #the node already exists |
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156 return node |
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157 #the node is new |
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158 return None |
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159 |
38 | 160 def importParams(self, xml): |
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161 """import xml in parameters, do nothing if the param already exist |
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162 @param xml: parameters in xml form""" |
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163 src_dom = minidom.parseString(xml.encode('utf-8')) |
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164 |
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165 def import_node(tgt_parent, src_parent): |
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166 for child in src_parent.childNodes: |
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167 if child.nodeName == '#text': |
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168 continue |
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169 node = self.__get_unique_node(tgt_parent, child.nodeName, child.getAttribute("name")) |
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170 if not node: #The node is new |
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171 tgt_parent.appendChild(child) |
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172 else: |
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173 import_node(node, child) |
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174 |
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175 import_node(self.dom.documentElement, src_dom.documentElement) |
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176 |
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177 def __default_ok(self, value, name, category): |
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178 #FIXME: gof: will not work with individual parameters |
61 | 179 self.setParam(name, value, category) #FIXME: better to set param xml value ??? |
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180 |
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181 def __default_ko(self, failure, name, category): |
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182 error ("Can't determine default value for [%s/%s]: %s" % (category, name, str(failure.value))) |
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183 |
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184 def setDefault(self, name, category, callback, errback=None): |
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185 """Set default value of parameter |
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186 'default_cb' attibute of parameter must be set to 'yes' |
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187 @param name: name of the parameter |
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188 @param category: category of the parameter |
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189 @param callback: must return a string with the value (use deferred if needed) |
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190 @param errback: must manage the error with args failure, name, category |
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191 """ |
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192 #TODO: send signal param update if value changed |
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193 node = self.__getParamNode(name, category, '@ALL@') |
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194 if not node: |
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195 error("Requested param [%s] in category [%s] doesn't exist !" , name, category) |
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196 return |
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197 if node[1].getAttribute('default_cb') == 'yes': |
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198 del node[1].attributes['default_cb'] |
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199 d = defer.maybeDeferred(callback) |
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200 d.addCallback(self.__default_ok, name, category) |
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201 d.addErrback(errback or self.__default_ko, name, category) |
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202 |
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203 def getParamA(self, name, category, attr="value", profile_key="@DEFAULT@"): |
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204 """Helper method to get a specific attribute |
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205 @param name: name of the parameter |
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206 @param category: category of the parameter |
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207 @param attr: name of the attribute (default: "value") |
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208 @param profile: owner of the param (@ALL@ for everyone) |
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209 |
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210 @return: attribute""" |
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211 node = self.__getParamNode(name, category) |
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212 if not node: |
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213 error("Requested param [%s] in category [%s] doesn't exist !" , name, category) |
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214 return None |
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215 |
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216 if node[0] == 'general': |
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217 value = self.__getParam(None, category, name, 'general') |
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218 return value or node[1].getAttribute(attr) |
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219 |
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220 assert(node[0] == 'individual') |
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221 |
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222 profile = self.getProfileName(profile_key) |
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223 if not profile: |
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224 error('Requesting a param for an non-existant profile') |
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225 return None |
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226 |
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227 return self.__getParam(profile, category, name) or node[1].getAttribute(attr) |
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228 |
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229 |
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230 def __getParam(self, profile, category, name, type='individual'): |
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231 """Return the param, or None if it doesn't exist |
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232 @param profile: the profile name (not profile key, i.e. name and not something like @DEFAULT@) |
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233 @param category: param category |
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234 @param name: param name |
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235 """ |
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236 if type == 'general': |
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237 if self.params_gen.has_key((category, name)): |
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238 return self.params_gen[(category, name)] |
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239 return None #This general param has the default value |
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240 assert (type == 'individual') |
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241 if not self.params.has_key(profile) or not self.params[profile].has_key((category, name)): |
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242 return None |
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243 return self.params[profile][(category, name)] |
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244 |
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245 def __constructProfileXml(self, profile): |
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246 """Construct xml for asked profile, filling values when needed |
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247 /!\ as noticed in doc, don't forget to unlink the minidom.Document |
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248 @param profile: profile name (not key !) |
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249 @return: minidom.Document of the profile xml (cf warning above) |
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250 """ |
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251 prof_xml = minidom.parseString('<params/>') |
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252 |
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253 for type_node in self.dom.documentElement.childNodes: |
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254 if type_node.nodeName == 'general' or type_node.nodeName == 'individual': #we use all params, general and individual |
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255 for cat_node in type_node.childNodes: |
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256 if cat_node.nodeName == 'category': |
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257 category = cat_node.getAttribute('name') |
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258 cat_copy = cat_node.cloneNode(True) #we make a copy for the new xml |
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259 params = cat_copy.getElementsByTagName("param") |
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260 for param_node in params: |
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261 name = param_node.getAttribute('name') |
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262 profile_value = self.__getParam(profile, category, name, type_node.nodeName) |
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263 if profile_value: #there is a value for this profile, we must change the default |
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264 param_node.setAttribute('value', profile_value) |
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265 prof_xml.documentElement.appendChild(cat_copy) |
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266 return prof_xml |
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267 |
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268 |
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269 |
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270 def getParams(self, profile_key='@DEFAULT@'): |
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271 """Construct xml for asked profile |
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272 Take params xml as skeleton""" |
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273 profile = self.getProfileName(profile_key) |
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274 if not profile: |
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275 error("Asking params for inexistant profile") |
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276 return "" |
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277 prof_xml = self.__constructProfileXml(profile) |
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278 return_xml = prof_xml.toxml() |
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279 prof_xml.unlink() |
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280 |
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281 return return_xml |
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282 |
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283 def getParamsForCategory(self, category, profile_key='@DEFAULT@'): |
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284 """Return node's xml for selected category""" |
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285 #TODO: manage category of general type (without existant profile) |
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286 profile = self.getProfileName(profile_key) |
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287 if not profile: |
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288 error("Asking params for inexistant profile") |
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289 return "" |
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290 prof_xml = self.__constructProfileXml(profile) |
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291 |
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292 for node in prof_xml.getElementsByTagName("category"): |
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293 if node.nodeName == "category" and node.getAttribute("name") == category: |
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294 result = node.toxml() |
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295 prof_xml.unlink() |
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296 return result |
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297 |
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298 prof_xml.unlink() |
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299 return "<category />" |
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300 |
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301 def __getParamNode(self, name, category, type="@ALL@"): #FIXME: is type useful ? |
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302 """Return a node from the param_xml |
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303 @param name: name of the node |
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304 @param category: category of the node |
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305 @type: keyword for search: |
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306 @ALL@ search everywhere |
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307 @GENERAL@ only search in general type |
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308 @INDIVIDUAL@ only search in individual type |
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309 @return: a tuple with the node type and the the node, or None if not found""" |
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310 |
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311 for type_node in self.dom.documentElement.childNodes: |
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312 if ( ((type == "@ALL@" or type == "@GENERAL@") and type_node.nodeName == 'general') |
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313 or ( (type == "@ALL@" or type == "@INDIVIDUAL@") and type_node.nodeName == 'individual') ): |
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314 for node in type_node.getElementsByTagName('category'): |
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315 if node.getAttribute("name") == category: |
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316 params = node.getElementsByTagName("param") |
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317 for param in params: |
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318 if param.getAttribute("name") == name: |
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319 return (type_node.nodeName, param) |
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320 return None |
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321 |
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322 def getParamsCategories(self): |
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323 """return the categories availables""" |
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324 categories=[] |
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325 for cat in self.dom.getElementsByTagName("category"): |
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326 categories.append(cat.getAttribute("name")) |
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327 return categories |
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328 |
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329 def setParam(self, name, value, category, profile_key='@DEFAULT@'): |
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330 """Set a parameter, return None if the parameter is not in param xml""" |
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331 |
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332 node = self.__getParamNode(name, category, '@ALL@') |
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333 if not node: |
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334 error('Requesting an unknown parameter (%s/%s)' % (category, name)) |
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335 return |
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336 |
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337 if node[0] == 'general': |
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338 self.params_gen[(category, name)] = value |
61 | 339 self.host.bridge.paramUpdate(name, value, category) #TODO: add profile in signal |
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340 return |
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341 |
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342 assert (node[0] == 'individual') |
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343 |
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344 profile = self.getProfileName(profile_key) |
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345 if not profile: |
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346 error('Trying to set parameter for an unknown profile') |
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347 return #TODO: throw an error |
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348 |
61 | 349 type = node[1].getAttribute("type") |
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350 if type=="button": |
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351 print "clique",node.toxml() |
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352 else: |
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353 self.params[profile][(category, name)] = value |
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354 self.host.bridge.paramUpdate(name, value, category) #TODO: add profile in signal |
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355 |
0 | 356 class Memory: |
357 """This class manage all persistent informations""" | |
358 | |
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359 def __init__(self, host): |
0 | 360 info ("Memory manager init") |
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361 self.host = host |
47 | 362 self.contacts={} |
0 | 363 self.presenceStatus={} |
47 | 364 self.subscriptions={} |
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365 self.params=Param(host) |
47 | 366 self.history={} #used to store chat history (key: short jid) |
367 self.private={} #used to store private value | |
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368 host.set_const('savefile_history', SAVEFILE_HISTORY) |
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369 host.set_const('savefile_private', SAVEFILE_PRIVATE) |
0 | 370 self.load() |
371 | |
372 def load(self): | |
373 """Load parameters and all memory things from file/db""" | |
61 | 374 param_file_xml = os.path.expanduser(self.host.get_const('local_dir')+ |
375 self.host.get_const('savefile_param_xml')) | |
376 param_file_data = os.path.expanduser(self.host.get_const('local_dir')+ | |
377 self.host.get_const('savefile_param_data')) | |
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378 history_file = os.path.expanduser(self.host.get_const('local_dir')+ |
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379 self.host.get_const('savefile_history')) |
47 | 380 private_file = os.path.expanduser(self.host.get_const('local_dir')+ |
381 self.host.get_const('savefile_private')) | |
0 | 382 |
38 | 383 #parameters |
61 | 384 if os.path.exists(param_file_xml): |
0 | 385 try: |
61 | 386 self.params.load_xml(param_file_xml) |
387 debug("params template loaded") | |
0 | 388 except: |
61 | 389 error ("Can't load params template !") |
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390 self.params.load_default_params() |
0 | 391 else: |
61 | 392 info ("No params template, using default template") |
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393 self.params.load_default_params() |
0 | 394 |
61 | 395 try: |
396 self.params.load_data(param_file_data) | |
397 debug("params loaded") | |
398 except: | |
399 error ("Can't load params !") | |
400 | |
0 | 401 #history |
41
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402 if os.path.exists(history_file): |
0 | 403 try: |
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404 with open(history_file, 'r') as history_pickle: |
0 | 405 self.history=pickle.load(history_pickle) |
406 debug("history loaded") | |
407 except: | |
408 error ("Can't load history !") | |
409 | |
47 | 410 #private |
411 if os.path.exists(private_file): | |
412 try: | |
413 with open(private_file, 'r') as private_pickle: | |
414 self.private=pickle.load(private_pickle) | |
415 debug("private values loaded") | |
416 except: | |
417 error ("Can't load private values !") | |
0 | 418 |
419 def save(self): | |
420 """Save parameters and all memory things to file/db""" | |
38 | 421 #TODO: need to encrypt files (at least passwords !) and set permissions |
61 | 422 param_file_xml = os.path.expanduser(self.host.get_const('local_dir')+ |
423 self.host.get_const('savefile_param_xml')) | |
424 param_file_data = os.path.expanduser(self.host.get_const('local_dir')+ | |
425 self.host.get_const('savefile_param_data')) | |
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426 history_file = os.path.expanduser(self.host.get_const('local_dir')+ |
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427 self.host.get_const('savefile_history')) |
47 | 428 private_file = os.path.expanduser(self.host.get_const('local_dir')+ |
429 self.host.get_const('savefile_private')) | |
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430 |
61 | 431 self.params.save_xml(param_file_xml) |
432 self.params.save_data(param_file_data) | |
38 | 433 debug("params saved") |
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434 with open(history_file, 'w') as history_pickle: |
0 | 435 pickle.dump(self.history, history_pickle) |
38 | 436 debug("history saved") |
47 | 437 with open(private_file, 'w') as private_pickle: |
438 pickle.dump(self.private, private_pickle) | |
439 debug("private values saved") | |
0 | 440 |
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441 def getProfilesList(self): |
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442 return self.params.getProfilesList() |
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443 |
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444 |
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445 def getProfileName(self, profile_key): |
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446 """Return name of profile from keyword |
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447 @param profile_key: can be the profile name or a keywork (like @DEFAULT@) |
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448 @return: profile name or None if it doesn't exist""" |
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449 return self.params.getProfileName(profile_key) |
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450 |
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451 def createProfile(self, name, default=False): |
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452 """Create a new profile |
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453 @param name: Profile name |
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454 @param default: True if default profile (replace previous default) |
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455 """ |
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456 return self.params.createProfile(name, default) |
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457 |
0 | 458 def addToHistory(self, me_jid, from_jid, to_jid, type, message): |
459 me_short=me_jid.userhost() | |
460 from_short=from_jid.userhost() | |
461 to_short=to_jid.userhost() | |
462 | |
463 if from_jid==me_jid: | |
464 key=to_short | |
465 else: | |
466 key=from_short | |
467 | |
468 if not self.history.has_key(me_short): | |
469 self.history[me_short]={} | |
470 if not self.history[me_short].has_key(key): | |
471 self.history[me_short][key]={} | |
472 | |
473 self.history[me_short][key][int(time.time())] = (from_short, message) | |
474 | |
475 def getHistory(self, from_jid, to_jid, size): | |
476 ret={} | |
477 if not self.history.has_key(from_jid): | |
478 error("source JID not found !") | |
479 #TODO: throw an error here | |
480 return {} | |
481 if not self.history[from_jid].has_key(to_jid): | |
482 error("dest JID not found !") | |
483 #TODO: throw an error here | |
484 return {} | |
485 stamps=self.history[from_jid][to_jid].keys() | |
486 stamps.sort() | |
487 for stamp in stamps[-size:]: | |
488 ret[stamp]=self.history[from_jid][to_jid][stamp] | |
489 | |
490 return ret | |
491 | |
47 | 492 def setPrivate(self, key, value): |
493 """Save a misc private value (mainly useful for plugins)""" | |
494 self.private[key] = value | |
495 | |
496 def getPrivate(self, key): | |
497 """return a private value | |
498 @param key: name of wanted value | |
499 @return: value or None if value don't exist""" | |
500 if self.private.has_key(key): | |
501 return self.private[key] | |
502 return None | |
503 | |
504 | |
505 def addContact(self, contact_jid, attributes, groups): | |
506 debug("Memory addContact: %s",contact_jid.userhost()) | |
0 | 507 assert(isinstance(attributes,dict)) |
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508 assert(isinstance(groups,set)) |
47 | 509 self.contacts[contact_jid.userhost()]=[attributes, groups] |
0 | 510 |
47 | 511 def delContact(self, contact_jid): |
512 debug("Memory delContact: %s",contact_jid.userhost()) | |
513 if self.contacts.has_key(contact_jid.userhost()): | |
514 del self.contacts[contact_jid.userhost()] | |
515 | |
516 def getContact(self, contact_jid): | |
517 if self.contacts.has_key(contact_jid.userhost()): | |
518 self.contacts[contact_jid.userhost()] | |
519 else: | |
520 return None | |
521 | |
0 | 522 def getContacts(self): |
47 | 523 debug ("Memory getContact OK (%s)", self.contacts) |
0 | 524 ret=[] |
47 | 525 for contact in self.contacts: |
526 attr, groups = self.contacts[contact] | |
527 ret.append([contact, attr, groups ]) | |
0 | 528 return ret |
47 | 529 |
530 def addPresenceStatus(self, contact_jid, show, priority, statuses): | |
531 if not self.presenceStatus.has_key(contact_jid.userhost()): | |
532 self.presenceStatus[contact_jid.userhost()] = {} | |
533 resource = jid.parse(contact_jid.full())[2] or '' | |
534 self.presenceStatus[contact_jid.userhost()][resource] = (show, priority, statuses) | |
535 | |
536 def addWaitingSub(self, type, contact_jid): | |
537 """Called when a subcription request is received""" | |
538 self.subscriptions[contact_jid] = type | |
539 | |
540 def delWaitingSub(self, contact_jid): | |
541 """Called when a subcription request is finished""" | |
542 if self.subscriptions.has_key(contact_jid): | |
543 del self.subscriptions[contact_jid] | |
544 | |
545 def getWaitingSub(self): | |
546 """Called to get a list of currently waiting subscription requests""" | |
547 return self.subscriptions | |
0 | 548 |
549 def getPresenceStatus(self): | |
47 | 550 debug ("Memory getPresenceStatus (%s)", self.presenceStatus) |
551 return self.presenceStatus | |
0 | 552 |
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553 def getParamA(self, name, category, attr="value"): |
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554 return self.params.getParamA(name, category, attr) |
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555 |
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556 def getParams(self): |
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557 return self.params.getParams() |
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558 |
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559 def getParamsForCategory(self, category): |
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560 return self.params.getParamsForCategory(category) |
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561 |
0 | 562 def getParamsCategories(self): |
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563 return self.params.getParamsCategories() |
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564 |
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565 def setParam(self, name, value, category, profile_key='@DEFAULT@'): |
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566 return self.params.setParam(name, value, category, profile_key) |
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567 |
38 | 568 def importParams(self, xml): |
569 return self.params.importParams(xml) | |
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570 |
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571 def setDefault(self, name, category, callback, errback=None): |
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572 return self.params.setDefault(name, category, callback, errback) |