Mercurial > libervia-backend
annotate tools/memory.py @ 60:9764e027ecc0
SàT: multi-profile parameters, first draft
- new bridge methods getProfilesList and createProfile
- param xml now use two types: general and individual, general are common parameters, individual parameters are linked to profiles
- indidual xml are constructed from param xml and saved values
/!\ params values are not saved yet
author | Goffi <goffi@goffi.org> |
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date | Thu, 28 Jan 2010 02:32:27 +1100 |
parents | a5b5fb5fc9fd |
children | 58d49fc19639 |
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 <general> |
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45 </general> |
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46 <individual> |
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47 <category name="Connection"> |
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48 <param name="JabberID" value="goffi@necton2.int/TestScript" type="string" /> |
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49 <param name="Password" value="toto" type="password" /> |
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50 <param name="Server" value="necton2.int" type="string" /> |
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51 <param name="NewAccount" value="Register new account" type="button" callback="registerNewAccount"/> |
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52 </category> |
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53 <category name="Misc"> |
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54 <param name="Watched" value="test@Jabber.goffi.int" type="string" /> |
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55 </category> |
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56 </individual> |
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57 </params> |
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58 """ |
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59 |
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60 def load_default_params(self): |
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61 self.dom = minidom.parseString(Param.default_xml.encode('utf-8')) |
38 | 62 |
63 def load(self, file): | |
64 """Load parameters from file""" | |
65 self.dom = minidom.parse(file) | |
66 | |
67 def save(self, file): | |
68 """Save parameters to xml file""" | |
69 with open(file, 'wb') as xml_file: | |
70 self.dom.writexml(xml_file) | |
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71 |
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72 def __init__(self, host): |
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73 debug("Parameters init") |
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74 self.host = host |
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75 self.default_profile = None |
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76 self.params = {'goffi':{}} #gof: |
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77 self.params_gen = {} |
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78 host.set_const('savefile_param', SAVEFILE_PARAM) |
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79 host.registerGeneralCB("registerNewAccount", host.registerNewAccountCB) |
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80 |
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81 def getProfilesList(self): |
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82 return self.params.keys() |
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83 |
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84 def createProfile(self, name, default=False): |
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85 """Create a new profile |
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86 @param name: Name of the profile |
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87 @param default: True if default value""" |
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88 if self.params.has_key(name): |
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89 info ('The profile name already exists') |
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90 return 1 |
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91 self.params[name]={} |
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92 return 0 |
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93 |
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94 def getProfileName(self, profile_key): |
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95 """return profile according to profile_key |
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96 @param profile_key: profile name or key which can be |
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97 @ALL@ for all profiles |
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98 @DEFAULT@ for default profile |
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99 @return: requested profile name or None if it doesn't exist""" |
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100 if profile_key=='@DEFAULT@': |
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101 if not self.params: |
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102 return None |
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103 info('No default profile, returning first one') #TODO: manage real default profile |
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104 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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105 if not self.params.has_key(profile_key): |
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106 error ('Trying to access an unknown profile') |
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107 return None |
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108 return profile_key |
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109 |
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110 def __get_unique_node(self, parent, tag, name): |
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111 """return node with given tag |
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112 @param parent: parent of nodes to check (e.g. documentElement) |
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113 @param tag: tag to check (e.g. "category") |
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114 @param name: name to check (e.g. "JID") |
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115 @return: node if it exist or None |
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116 """ |
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117 for node in parent.childNodes: |
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118 if node.nodeName == tag and node.getAttribute("name") == name: |
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119 #the node already exists |
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120 return node |
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121 #the node is new |
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122 return None |
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123 |
38 | 124 def importParams(self, xml): |
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125 """import xml in parameters, do nothing if the param already exist |
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126 @param xml: parameters in xml form""" |
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127 src_dom = minidom.parseString(xml.encode('utf-8')) |
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128 |
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129 def import_node(tgt_parent, src_parent): |
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130 for child in src_parent.childNodes: |
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131 if child.nodeName == '#text': |
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132 continue |
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133 node = self.__get_unique_node(tgt_parent, child.nodeName, child.getAttribute("name")) |
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134 if not node: #The node is new |
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135 tgt_parent.appendChild(child) |
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136 else: |
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137 import_node(node, child) |
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138 |
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139 import_node(self.dom.documentElement, src_dom.documentElement) |
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140 |
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141 def __default_ok(self, value, name, category): |
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142 self.setParam(name, value, category) |
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143 |
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144 def __default_ko(self, failure, name, category): |
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145 error ("Can't determine default value for [%s/%s]: %s" % (category, name, str(failure.value))) |
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146 |
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147 def setDefault(self, name, category, callback, errback=None): |
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148 """Set default value of parameter |
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149 'default_cb' attibute of parameter must be set to 'yes' |
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150 @param name: name of the parameter |
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151 @param category: category of the parameter |
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152 @param callback: must return a string with the value (use deferred if needed) |
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153 @param errback: must manage the error with args failure, name, category |
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154 """ |
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155 #TODO: send signal param update if value changed |
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156 node = self.__getParamNode(name, category, '@ALL@') |
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157 if not node: |
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158 error("Requested param [%s] in category [%s] doesn't exist !" , name, category) |
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159 return |
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160 if node[1].getAttribute('default_cb') == 'yes': |
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161 del node[1].attributes['default_cb'] |
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162 d = defer.maybeDeferred(callback) |
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163 d.addCallback(self.__default_ok, name, category) |
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164 d.addErrback(errback or self.__default_ko, name, category) |
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165 |
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166 def getParamA(self, name, category, attr="value", profile_key="@DEFAULT@"): |
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167 """Helper method to get a specific attribute |
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168 @param name: name of the parameter |
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169 @param category: category of the parameter |
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170 @param attr: name of the attribute (default: "value") |
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171 @param profile: owner of the param (@ALL@ for everyone) |
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172 |
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173 @return: attribute""" |
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174 node = self.__getParamNode(name, category) |
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175 if not node: |
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176 error("Requested param [%s] in category [%s] doesn't exist !" , name, category) |
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177 return None |
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178 |
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179 if node[0] == 'general': |
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180 value = self.__getParam(None, category, name, 'general') |
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181 return value or node[1].getAttribute(attr) |
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182 |
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183 assert(node[0] == 'individual') |
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184 |
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185 profile = self.getProfileName(profile_key) |
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186 if not profile: |
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187 error('Requesting a param for an non-existant profile') |
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188 return None |
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189 |
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190 return self.__getParam(profile, category, name) or node[1].getAttribute(attr) |
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191 |
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192 |
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193 def __getParam(self, profile, category, name, type='individual'): |
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194 """Return the param, or None if it doesn't exist |
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195 @param profile: the profile name (not profile key, i.e. name and not something like @DEFAULT@) |
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196 @param category: param category |
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197 @param name: param name |
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198 """ |
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199 if type == 'general': |
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200 if self.params_gen.has_key((category, name)): |
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201 return self.params_gen[(category, name)] |
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202 return None #This general param has the default value |
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203 assert (type == 'individual') |
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204 if not self.params.has_key(profile) or not self.params[profile].has_key((category, name)): |
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205 return None |
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206 return self.params[profile][(category, name)] |
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207 |
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208 def __constructProfileXml(self, profile): |
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209 """Construct xml for asked profile, filling values when needed |
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210 /!\ as noticed in doc, don't forget to unlink the minidom.Document |
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211 @param profile: profile name (not key !) |
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212 @return: minidom.Document of the profile xml (cf warning above) |
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213 """ |
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214 prof_xml = minidom.parseString('<params/>') |
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215 |
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216 for type_node in self.dom.documentElement.childNodes: |
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217 if type_node.nodeName == 'general' or type_node.nodeName == 'individual': #we use all params, general and individual |
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218 for cat_node in type_node.childNodes: |
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219 if cat_node.nodeName == 'category': |
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220 category = cat_node.getAttribute('name') |
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221 cat_copy = cat_node.cloneNode(True) #we make a copy for the new xml |
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222 params = cat_copy.getElementsByTagName("param") |
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223 for param_node in params: |
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224 name = param_node.getAttribute('name') |
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225 profile_value = self.__getParam(profile, category, name, type_node.nodeName) |
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226 if profile_value: #there is a value for this profile, we must change the default |
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227 param_node.setAttribute('value', profile_value) |
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228 prof_xml.documentElement.appendChild(cat_copy) |
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229 return prof_xml |
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230 |
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231 |
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232 |
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233 def getParams(self, profile_key='@DEFAULT@'): |
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234 """Construct xml for asked profile |
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235 Take params xml as skeleton""" |
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236 profile = self.getProfileName(profile_key) |
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237 if not profile: |
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238 error("Asking params for inexistant profile") |
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239 return "" |
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240 prof_xml = self.__constructProfileXml(profile) |
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241 return_xml = prof_xml.toxml() |
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242 prof_xml.unlink() |
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243 |
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244 return return_xml |
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245 |
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246 def getParamsForCategory(self, category, profile_key='@DEFAULT@'): |
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247 """Return node's xml for selected category""" |
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248 #TODO: manage category of general type (without existant profile) |
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249 profile = self.getProfileName(profile_key) |
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250 if not profile: |
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251 error("Asking params for inexistant profile") |
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252 return "" |
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253 prof_xml = self.__constructProfileXml(profile) |
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254 |
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255 for node in prof_xml.getElementsByTagName("category"): |
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256 if node.nodeName == "category" and node.getAttribute("name") == category: |
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257 result = node.toxml() |
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258 prof_xml.unlink() |
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259 return result |
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260 |
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261 prof_xml.unlink() |
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262 return "<category />" |
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263 |
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264 def __getParamNode(self, name, category, type="@ALL@"): #FIXME: is type useful ? |
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265 """Return a node from the param_xml |
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266 @param name: name of the node |
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267 @param category: category of the node |
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268 @type: keyword for search: |
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269 @ALL@ search everywhere |
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270 @GENERAL@ only search in general type |
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271 @INDIVIDUAL@ only search in individual type |
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272 @return: a tuple with the node type and the the node, or None if not found""" |
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273 |
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274 for type_node in self.dom.documentElement.childNodes: |
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275 if ( ((type == "@ALL@" or type == "@GENERAL@") and type_node.nodeName == 'general') |
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276 or ( (type == "@ALL@" or type == "@INDIVIDUAL@") and type_node.nodeName == 'individual') ): |
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277 for node in type_node.getElementsByTagName('category'): |
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278 if node.getAttribute("name") == category: |
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279 params = node.getElementsByTagName("param") |
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280 for param in params: |
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281 if param.getAttribute("name") == name: |
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282 return (type_node.nodeName, param) |
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283 return None |
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284 |
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285 def getParamsCategories(self): |
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286 """return the categories availables""" |
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287 categories=[] |
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288 for cat in self.dom.getElementsByTagName("category"): |
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289 categories.append(cat.getAttribute("name")) |
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290 return categories |
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291 |
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292 def setParam(self, name, value, category, profile_key='@DEFAULT@'): |
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293 """Set a parameter, return None if the parameter is not in param xml""" |
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294 |
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295 node = self.__getParamNode(name, category, '@ALL@') |
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296 if not node: |
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297 error('Requesting an unknown parameter (%s/%s)' % (category, name)) |
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298 return |
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299 |
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300 if node[0] == 'general': |
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301 self.params_gen[(category, name)] = value |
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302 return |
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303 |
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304 assert (node[0] == 'individual') |
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305 |
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306 profile = self.getProfileName(profile_key) |
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307 if not profile: |
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308 error('Trying to set parameter for an unknown profile') |
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309 return #TODO: throw an error |
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310 |
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311 type = node.getAttribute("type") |
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312 if type=="button": |
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313 print "clique",node.toxml() |
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314 else: |
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315 self.params[profile][(category, name)] = value |
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316 self.host.bridge.paramUpdate(name, value, category) #TODO: add profile in signal |
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317 |
0 | 318 class Memory: |
319 """This class manage all persistent informations""" | |
320 | |
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321 def __init__(self, host): |
0 | 322 info ("Memory manager init") |
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323 self.host = host |
47 | 324 self.contacts={} |
0 | 325 self.presenceStatus={} |
47 | 326 self.subscriptions={} |
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327 self.params=Param(host) |
47 | 328 self.history={} #used to store chat history (key: short jid) |
329 self.private={} #used to store private value | |
0 | 330 self.disco={} #XXX: maybe best in a separate class |
331 self.features={} | |
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332 host.set_const('savefile_history', SAVEFILE_HISTORY) |
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333 host.set_const('savefile_private', SAVEFILE_PRIVATE) |
0 | 334 self.load() |
335 | |
336 def load(self): | |
337 """Load parameters and all memory things from file/db""" | |
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338 param_file = os.path.expanduser(self.host.get_const('local_dir')+ |
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339 self.host.get_const('savefile_param')) |
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340 history_file = os.path.expanduser(self.host.get_const('local_dir')+ |
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341 self.host.get_const('savefile_history')) |
47 | 342 private_file = os.path.expanduser(self.host.get_const('local_dir')+ |
343 self.host.get_const('savefile_private')) | |
0 | 344 |
38 | 345 #parameters |
41
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346 if os.path.exists(param_file): |
0 | 347 try: |
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348 self.params.load(param_file) |
0 | 349 debug("params loaded") |
350 except: | |
351 error ("Can't load params !") | |
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352 self.params.load_default_params() |
0 | 353 else: |
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354 error ("No params, using default parameters") |
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355 self.params.load_default_params() |
0 | 356 |
357 #history | |
41
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358 if os.path.exists(history_file): |
0 | 359 try: |
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360 with open(history_file, 'r') as history_pickle: |
0 | 361 self.history=pickle.load(history_pickle) |
362 debug("history loaded") | |
363 except: | |
364 error ("Can't load history !") | |
365 | |
47 | 366 #private |
367 if os.path.exists(private_file): | |
368 try: | |
369 with open(private_file, 'r') as private_pickle: | |
370 self.private=pickle.load(private_pickle) | |
371 debug("private values loaded") | |
372 except: | |
373 error ("Can't load private values !") | |
0 | 374 |
375 def save(self): | |
376 """Save parameters and all memory things to file/db""" | |
38 | 377 #TODO: need to encrypt files (at least passwords !) and set permissions |
41
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378 param_file = os.path.expanduser(self.host.get_const('local_dir')+ |
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379 self.host.get_const('savefile_param')) |
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380 history_file = os.path.expanduser(self.host.get_const('local_dir')+ |
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381 self.host.get_const('savefile_history')) |
47 | 382 private_file = os.path.expanduser(self.host.get_const('local_dir')+ |
383 self.host.get_const('savefile_private')) | |
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384 |
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385 self.params.save(param_file) |
38 | 386 debug("params saved") |
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387 with open(history_file, 'w') as history_pickle: |
0 | 388 pickle.dump(self.history, history_pickle) |
38 | 389 debug("history saved") |
47 | 390 with open(private_file, 'w') as private_pickle: |
391 pickle.dump(self.private, private_pickle) | |
392 debug("private values saved") | |
0 | 393 |
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394 def getProfilesList(self): |
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395 return self.params.getProfilesList() |
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396 |
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397 def createProfile(self, name, default=False): |
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398 """Create a new profile |
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399 @param name: Profile name |
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400 @param default: True if default profile (replace previous default) |
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401 """ |
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402 return self.params.createProfile(name, default) |
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403 |
0 | 404 def addToHistory(self, me_jid, from_jid, to_jid, type, message): |
405 me_short=me_jid.userhost() | |
406 from_short=from_jid.userhost() | |
407 to_short=to_jid.userhost() | |
408 | |
409 if from_jid==me_jid: | |
410 key=to_short | |
411 else: | |
412 key=from_short | |
413 | |
414 if not self.history.has_key(me_short): | |
415 self.history[me_short]={} | |
416 if not self.history[me_short].has_key(key): | |
417 self.history[me_short][key]={} | |
418 | |
419 self.history[me_short][key][int(time.time())] = (from_short, message) | |
420 | |
421 def getHistory(self, from_jid, to_jid, size): | |
422 ret={} | |
423 if not self.history.has_key(from_jid): | |
424 error("source JID not found !") | |
425 #TODO: throw an error here | |
426 return {} | |
427 if not self.history[from_jid].has_key(to_jid): | |
428 error("dest JID not found !") | |
429 #TODO: throw an error here | |
430 return {} | |
431 stamps=self.history[from_jid][to_jid].keys() | |
432 stamps.sort() | |
433 for stamp in stamps[-size:]: | |
434 ret[stamp]=self.history[from_jid][to_jid][stamp] | |
435 | |
436 return ret | |
437 | |
47 | 438 def setPrivate(self, key, value): |
439 """Save a misc private value (mainly useful for plugins)""" | |
440 self.private[key] = value | |
441 | |
442 def getPrivate(self, key): | |
443 """return a private value | |
444 @param key: name of wanted value | |
445 @return: value or None if value don't exist""" | |
446 if self.private.has_key(key): | |
447 return self.private[key] | |
448 return None | |
449 | |
450 | |
451 def addContact(self, contact_jid, attributes, groups): | |
452 debug("Memory addContact: %s",contact_jid.userhost()) | |
0 | 453 assert(isinstance(attributes,dict)) |
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454 assert(isinstance(groups,set)) |
47 | 455 self.contacts[contact_jid.userhost()]=[attributes, groups] |
0 | 456 |
47 | 457 def delContact(self, contact_jid): |
458 debug("Memory delContact: %s",contact_jid.userhost()) | |
459 if self.contacts.has_key(contact_jid.userhost()): | |
460 del self.contacts[contact_jid.userhost()] | |
461 | |
462 def getContact(self, contact_jid): | |
463 if self.contacts.has_key(contact_jid.userhost()): | |
464 self.contacts[contact_jid.userhost()] | |
465 else: | |
466 return None | |
467 | |
0 | 468 def getContacts(self): |
47 | 469 debug ("Memory getContact OK (%s)", self.contacts) |
0 | 470 ret=[] |
47 | 471 for contact in self.contacts: |
472 attr, groups = self.contacts[contact] | |
473 ret.append([contact, attr, groups ]) | |
0 | 474 return ret |
47 | 475 |
476 def addPresenceStatus(self, contact_jid, show, priority, statuses): | |
477 if not self.presenceStatus.has_key(contact_jid.userhost()): | |
478 self.presenceStatus[contact_jid.userhost()] = {} | |
479 resource = jid.parse(contact_jid.full())[2] or '' | |
480 self.presenceStatus[contact_jid.userhost()][resource] = (show, priority, statuses) | |
481 | |
482 def addWaitingSub(self, type, contact_jid): | |
483 """Called when a subcription request is received""" | |
484 self.subscriptions[contact_jid] = type | |
485 | |
486 def delWaitingSub(self, contact_jid): | |
487 """Called when a subcription request is finished""" | |
488 if self.subscriptions.has_key(contact_jid): | |
489 del self.subscriptions[contact_jid] | |
490 | |
491 def getWaitingSub(self): | |
492 """Called to get a list of currently waiting subscription requests""" | |
493 return self.subscriptions | |
0 | 494 |
495 def getPresenceStatus(self): | |
47 | 496 debug ("Memory getPresenceStatus (%s)", self.presenceStatus) |
497 return self.presenceStatus | |
0 | 498 |
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499 def getParamA(self, name, category, attr="value"): |
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500 return self.params.getParamA(name, category, attr) |
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501 |
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502 def getParams(self): |
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503 return self.params.getParams() |
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504 |
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505 def getParamsForCategory(self, category): |
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506 return self.params.getParamsForCategory(category) |
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507 |
0 | 508 def getParamsCategories(self): |
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509 return self.params.getParamsCategories() |
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510 |
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511 def setParam(self, name, value, category): |
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512 return self.params.setParam(name, value, category) |
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513 |
38 | 514 def importParams(self, xml): |
515 return self.params.importParams(xml) | |
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516 |
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517 def setDefault(self, name, category, callback, errback=None): |
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518 return self.params.setDefault(name, category, callback, errback) |