Mercurial > libervia-backend
annotate tools/memory.py @ 61:58d49fc19639
parameters are saved again
- use 2 new files to save individual and general parameters data
- setParam from dbus bridge now use str instead of dbus.String
- fixed param updated signal for general params
- fixed param setting
author | Goffi <goffi@goffi.org> |
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date | Thu, 28 Jan 2010 12:38:12 +1100 |
parents | 9764e027ecc0 |
children | 93cb45a7420f |
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): |
61 | 178 self.setParam(name, value, category) #FIXME: better to set param xml value ??? |
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179 |
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180 def __default_ko(self, failure, name, category): |
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181 error ("Can't determine default value for [%s/%s]: %s" % (category, name, str(failure.value))) |
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182 |
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183 def setDefault(self, name, category, callback, errback=None): |
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184 """Set default value of parameter |
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185 'default_cb' attibute of parameter must be set to 'yes' |
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186 @param name: name of the parameter |
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187 @param category: category of the parameter |
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188 @param callback: must return a string with the value (use deferred if needed) |
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189 @param errback: must manage the error with args failure, name, category |
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190 """ |
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191 #TODO: send signal param update if value changed |
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192 node = self.__getParamNode(name, category, '@ALL@') |
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193 if not node: |
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194 error("Requested param [%s] in category [%s] doesn't exist !" , name, category) |
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195 return |
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196 if node[1].getAttribute('default_cb') == 'yes': |
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197 del node[1].attributes['default_cb'] |
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198 d = defer.maybeDeferred(callback) |
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199 d.addCallback(self.__default_ok, name, category) |
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200 d.addErrback(errback or self.__default_ko, name, category) |
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201 |
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202 def getParamA(self, name, category, attr="value", profile_key="@DEFAULT@"): |
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203 """Helper method to get a specific attribute |
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204 @param name: name of the parameter |
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205 @param category: category of the parameter |
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206 @param attr: name of the attribute (default: "value") |
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207 @param profile: owner of the param (@ALL@ for everyone) |
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208 |
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209 @return: attribute""" |
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210 node = self.__getParamNode(name, category) |
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211 if not node: |
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212 error("Requested param [%s] in category [%s] doesn't exist !" , name, category) |
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213 return None |
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214 |
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215 if node[0] == 'general': |
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216 value = self.__getParam(None, category, name, 'general') |
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217 return value or node[1].getAttribute(attr) |
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218 |
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219 assert(node[0] == 'individual') |
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220 |
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221 profile = self.getProfileName(profile_key) |
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222 if not profile: |
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223 error('Requesting a param for an non-existant profile') |
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224 return None |
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225 |
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226 return self.__getParam(profile, category, name) or node[1].getAttribute(attr) |
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227 |
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228 |
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229 def __getParam(self, profile, category, name, type='individual'): |
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230 """Return the param, or None if it doesn't exist |
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231 @param profile: the profile name (not profile key, i.e. name and not something like @DEFAULT@) |
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232 @param category: param category |
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233 @param name: param name |
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234 """ |
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235 if type == 'general': |
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236 if self.params_gen.has_key((category, name)): |
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237 return self.params_gen[(category, name)] |
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238 return None #This general param has the default value |
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239 assert (type == 'individual') |
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240 if not self.params.has_key(profile) or not self.params[profile].has_key((category, name)): |
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241 return None |
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242 return self.params[profile][(category, name)] |
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243 |
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244 def __constructProfileXml(self, profile): |
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245 """Construct xml for asked profile, filling values when needed |
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246 /!\ as noticed in doc, don't forget to unlink the minidom.Document |
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247 @param profile: profile name (not key !) |
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248 @return: minidom.Document of the profile xml (cf warning above) |
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249 """ |
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250 prof_xml = minidom.parseString('<params/>') |
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251 |
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252 for type_node in self.dom.documentElement.childNodes: |
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253 if type_node.nodeName == 'general' or type_node.nodeName == 'individual': #we use all params, general and individual |
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254 for cat_node in type_node.childNodes: |
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255 if cat_node.nodeName == 'category': |
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256 category = cat_node.getAttribute('name') |
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257 cat_copy = cat_node.cloneNode(True) #we make a copy for the new xml |
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258 params = cat_copy.getElementsByTagName("param") |
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259 for param_node in params: |
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260 name = param_node.getAttribute('name') |
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261 profile_value = self.__getParam(profile, category, name, type_node.nodeName) |
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262 if profile_value: #there is a value for this profile, we must change the default |
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263 param_node.setAttribute('value', profile_value) |
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264 prof_xml.documentElement.appendChild(cat_copy) |
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265 return prof_xml |
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266 |
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267 |
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268 |
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269 def getParams(self, profile_key='@DEFAULT@'): |
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270 """Construct xml for asked profile |
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271 Take params xml as skeleton""" |
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272 profile = self.getProfileName(profile_key) |
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273 if not profile: |
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274 error("Asking params for inexistant profile") |
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275 return "" |
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276 prof_xml = self.__constructProfileXml(profile) |
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277 return_xml = prof_xml.toxml() |
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278 prof_xml.unlink() |
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279 |
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280 return return_xml |
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281 |
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282 def getParamsForCategory(self, category, profile_key='@DEFAULT@'): |
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283 """Return node's xml for selected category""" |
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284 #TODO: manage category of general type (without existant profile) |
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285 profile = self.getProfileName(profile_key) |
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286 if not profile: |
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287 error("Asking params for inexistant profile") |
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288 return "" |
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289 prof_xml = self.__constructProfileXml(profile) |
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290 |
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291 for node in prof_xml.getElementsByTagName("category"): |
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292 if node.nodeName == "category" and node.getAttribute("name") == category: |
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293 result = node.toxml() |
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294 prof_xml.unlink() |
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295 return result |
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296 |
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297 prof_xml.unlink() |
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298 return "<category />" |
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299 |
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300 def __getParamNode(self, name, category, type="@ALL@"): #FIXME: is type useful ? |
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301 """Return a node from the param_xml |
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302 @param name: name of the node |
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303 @param category: category of the node |
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304 @type: keyword for search: |
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305 @ALL@ search everywhere |
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306 @GENERAL@ only search in general type |
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307 @INDIVIDUAL@ only search in individual type |
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308 @return: a tuple with the node type and the the node, or None if not found""" |
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309 |
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310 for type_node in self.dom.documentElement.childNodes: |
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311 if ( ((type == "@ALL@" or type == "@GENERAL@") and type_node.nodeName == 'general') |
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312 or ( (type == "@ALL@" or type == "@INDIVIDUAL@") and type_node.nodeName == 'individual') ): |
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313 for node in type_node.getElementsByTagName('category'): |
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314 if node.getAttribute("name") == category: |
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315 params = node.getElementsByTagName("param") |
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316 for param in params: |
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317 if param.getAttribute("name") == name: |
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318 return (type_node.nodeName, param) |
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319 return None |
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320 |
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321 def getParamsCategories(self): |
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322 """return the categories availables""" |
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323 categories=[] |
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324 for cat in self.dom.getElementsByTagName("category"): |
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325 categories.append(cat.getAttribute("name")) |
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326 return categories |
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327 |
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328 def setParam(self, name, value, category, profile_key='@DEFAULT@'): |
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329 """Set a parameter, return None if the parameter is not in param xml""" |
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330 |
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331 node = self.__getParamNode(name, category, '@ALL@') |
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332 if not node: |
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333 error('Requesting an unknown parameter (%s/%s)' % (category, name)) |
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334 return |
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335 |
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336 if node[0] == 'general': |
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337 self.params_gen[(category, name)] = value |
61 | 338 self.host.bridge.paramUpdate(name, value, category) #TODO: add profile in signal |
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339 return |
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340 |
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341 assert (node[0] == 'individual') |
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342 |
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343 profile = self.getProfileName(profile_key) |
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344 if not profile: |
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345 error('Trying to set parameter for an unknown profile') |
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346 return #TODO: throw an error |
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347 |
61 | 348 type = node[1].getAttribute("type") |
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349 if type=="button": |
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350 print "clique",node.toxml() |
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351 else: |
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352 self.params[profile][(category, name)] = value |
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353 self.host.bridge.paramUpdate(name, value, category) #TODO: add profile in signal |
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354 |
0 | 355 class Memory: |
356 """This class manage all persistent informations""" | |
357 | |
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358 def __init__(self, host): |
0 | 359 info ("Memory manager init") |
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360 self.host = host |
47 | 361 self.contacts={} |
0 | 362 self.presenceStatus={} |
47 | 363 self.subscriptions={} |
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364 self.params=Param(host) |
47 | 365 self.history={} #used to store chat history (key: short jid) |
366 self.private={} #used to store private value | |
0 | 367 self.disco={} #XXX: maybe best in a separate class |
368 self.features={} | |
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369 host.set_const('savefile_history', SAVEFILE_HISTORY) |
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370 host.set_const('savefile_private', SAVEFILE_PRIVATE) |
0 | 371 self.load() |
372 | |
373 def load(self): | |
374 """Load parameters and all memory things from file/db""" | |
61 | 375 param_file_xml = os.path.expanduser(self.host.get_const('local_dir')+ |
376 self.host.get_const('savefile_param_xml')) | |
377 param_file_data = os.path.expanduser(self.host.get_const('local_dir')+ | |
378 self.host.get_const('savefile_param_data')) | |
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379 history_file = os.path.expanduser(self.host.get_const('local_dir')+ |
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380 self.host.get_const('savefile_history')) |
47 | 381 private_file = os.path.expanduser(self.host.get_const('local_dir')+ |
382 self.host.get_const('savefile_private')) | |
0 | 383 |
38 | 384 #parameters |
61 | 385 if os.path.exists(param_file_xml): |
0 | 386 try: |
61 | 387 self.params.load_xml(param_file_xml) |
388 debug("params template loaded") | |
0 | 389 except: |
61 | 390 error ("Can't load params template !") |
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391 self.params.load_default_params() |
0 | 392 else: |
61 | 393 info ("No params template, using default template") |
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394 self.params.load_default_params() |
0 | 395 |
61 | 396 try: |
397 self.params.load_data(param_file_data) | |
398 debug("params loaded") | |
399 except: | |
400 error ("Can't load params !") | |
401 | |
0 | 402 #history |
41
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403 if os.path.exists(history_file): |
0 | 404 try: |
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405 with open(history_file, 'r') as history_pickle: |
0 | 406 self.history=pickle.load(history_pickle) |
407 debug("history loaded") | |
408 except: | |
409 error ("Can't load history !") | |
410 | |
47 | 411 #private |
412 if os.path.exists(private_file): | |
413 try: | |
414 with open(private_file, 'r') as private_pickle: | |
415 self.private=pickle.load(private_pickle) | |
416 debug("private values loaded") | |
417 except: | |
418 error ("Can't load private values !") | |
0 | 419 |
420 def save(self): | |
421 """Save parameters and all memory things to file/db""" | |
38 | 422 #TODO: need to encrypt files (at least passwords !) and set permissions |
61 | 423 param_file_xml = os.path.expanduser(self.host.get_const('local_dir')+ |
424 self.host.get_const('savefile_param_xml')) | |
425 param_file_data = os.path.expanduser(self.host.get_const('local_dir')+ | |
426 self.host.get_const('savefile_param_data')) | |
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427 history_file = os.path.expanduser(self.host.get_const('local_dir')+ |
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428 self.host.get_const('savefile_history')) |
47 | 429 private_file = os.path.expanduser(self.host.get_const('local_dir')+ |
430 self.host.get_const('savefile_private')) | |
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431 |
61 | 432 self.params.save_xml(param_file_xml) |
433 self.params.save_data(param_file_data) | |
38 | 434 debug("params saved") |
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435 with open(history_file, 'w') as history_pickle: |
0 | 436 pickle.dump(self.history, history_pickle) |
38 | 437 debug("history saved") |
47 | 438 with open(private_file, 'w') as private_pickle: |
439 pickle.dump(self.private, private_pickle) | |
440 debug("private values saved") | |
0 | 441 |
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442 def getProfilesList(self): |
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443 return self.params.getProfilesList() |
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444 |
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445 def createProfile(self, name, default=False): |
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446 """Create a new profile |
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447 @param name: Profile name |
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448 @param default: True if default profile (replace previous default) |
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449 """ |
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450 return self.params.createProfile(name, default) |
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451 |
0 | 452 def addToHistory(self, me_jid, from_jid, to_jid, type, message): |
453 me_short=me_jid.userhost() | |
454 from_short=from_jid.userhost() | |
455 to_short=to_jid.userhost() | |
456 | |
457 if from_jid==me_jid: | |
458 key=to_short | |
459 else: | |
460 key=from_short | |
461 | |
462 if not self.history.has_key(me_short): | |
463 self.history[me_short]={} | |
464 if not self.history[me_short].has_key(key): | |
465 self.history[me_short][key]={} | |
466 | |
467 self.history[me_short][key][int(time.time())] = (from_short, message) | |
468 | |
469 def getHistory(self, from_jid, to_jid, size): | |
470 ret={} | |
471 if not self.history.has_key(from_jid): | |
472 error("source JID not found !") | |
473 #TODO: throw an error here | |
474 return {} | |
475 if not self.history[from_jid].has_key(to_jid): | |
476 error("dest JID not found !") | |
477 #TODO: throw an error here | |
478 return {} | |
479 stamps=self.history[from_jid][to_jid].keys() | |
480 stamps.sort() | |
481 for stamp in stamps[-size:]: | |
482 ret[stamp]=self.history[from_jid][to_jid][stamp] | |
483 | |
484 return ret | |
485 | |
47 | 486 def setPrivate(self, key, value): |
487 """Save a misc private value (mainly useful for plugins)""" | |
488 self.private[key] = value | |
489 | |
490 def getPrivate(self, key): | |
491 """return a private value | |
492 @param key: name of wanted value | |
493 @return: value or None if value don't exist""" | |
494 if self.private.has_key(key): | |
495 return self.private[key] | |
496 return None | |
497 | |
498 | |
499 def addContact(self, contact_jid, attributes, groups): | |
500 debug("Memory addContact: %s",contact_jid.userhost()) | |
0 | 501 assert(isinstance(attributes,dict)) |
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502 assert(isinstance(groups,set)) |
47 | 503 self.contacts[contact_jid.userhost()]=[attributes, groups] |
0 | 504 |
47 | 505 def delContact(self, contact_jid): |
506 debug("Memory delContact: %s",contact_jid.userhost()) | |
507 if self.contacts.has_key(contact_jid.userhost()): | |
508 del self.contacts[contact_jid.userhost()] | |
509 | |
510 def getContact(self, contact_jid): | |
511 if self.contacts.has_key(contact_jid.userhost()): | |
512 self.contacts[contact_jid.userhost()] | |
513 else: | |
514 return None | |
515 | |
0 | 516 def getContacts(self): |
47 | 517 debug ("Memory getContact OK (%s)", self.contacts) |
0 | 518 ret=[] |
47 | 519 for contact in self.contacts: |
520 attr, groups = self.contacts[contact] | |
521 ret.append([contact, attr, groups ]) | |
0 | 522 return ret |
47 | 523 |
524 def addPresenceStatus(self, contact_jid, show, priority, statuses): | |
525 if not self.presenceStatus.has_key(contact_jid.userhost()): | |
526 self.presenceStatus[contact_jid.userhost()] = {} | |
527 resource = jid.parse(contact_jid.full())[2] or '' | |
528 self.presenceStatus[contact_jid.userhost()][resource] = (show, priority, statuses) | |
529 | |
530 def addWaitingSub(self, type, contact_jid): | |
531 """Called when a subcription request is received""" | |
532 self.subscriptions[contact_jid] = type | |
533 | |
534 def delWaitingSub(self, contact_jid): | |
535 """Called when a subcription request is finished""" | |
536 if self.subscriptions.has_key(contact_jid): | |
537 del self.subscriptions[contact_jid] | |
538 | |
539 def getWaitingSub(self): | |
540 """Called to get a list of currently waiting subscription requests""" | |
541 return self.subscriptions | |
0 | 542 |
543 def getPresenceStatus(self): | |
47 | 544 debug ("Memory getPresenceStatus (%s)", self.presenceStatus) |
545 return self.presenceStatus | |
0 | 546 |
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547 def getParamA(self, name, category, attr="value"): |
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548 return self.params.getParamA(name, category, attr) |
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549 |
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550 def getParams(self): |
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551 return self.params.getParams() |
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552 |
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553 def getParamsForCategory(self, category): |
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554 return self.params.getParamsForCategory(category) |
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555 |
0 | 556 def getParamsCategories(self): |
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557 return self.params.getParamsCategories() |
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558 |
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559 def setParam(self, name, value, category): |
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560 return self.params.setParam(name, value, category) |
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561 |
38 | 562 def importParams(self, xml): |
563 return self.params.importParams(xml) | |
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564 |
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565 def setDefault(self, name, category, callback, errback=None): |
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566 return self.params.setDefault(name, category, callback, errback) |