annotate src/memory/sqlite.py @ 436:5e9d28ca5109

core: sqlite persistentBinaryDict storage fix
author Goffi <goffi@goffi.org>
date Wed, 30 Nov 2011 00:23:50 +0100
parents 31e8c48b5f5d
children a6640bb8ee95
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1 #!/usr/bin/python
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2 # -*- coding: utf-8 -*-
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3
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4 """
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5 SAT: a jabber client
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6 Copyright (C) 2009, 2010, 2011 Jérôme Poisson (goffi@goffi.org)
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7
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8 This program is free software: you can redistribute it and/or modify
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9 it under the terms of the GNU General Public License as published by
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10 the Free Software Foundation, either version 3 of the License, or
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11 (at your option) any later version.
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12
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13 This program is distributed in the hope that it will be useful,
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14 but WITHOUT ANY WARRANTY; without even the implied warranty of
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15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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16 GNU General Public License for more details.
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17
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18 You should have received a copy of the GNU General Public License
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19 along with this program. If not, see <http://www.gnu.org/licenses/>.
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20 """
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21
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22
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23 from logging import debug, info, warning, error
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24 from twisted.enterprise import adbapi
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25 from twisted.internet import defer
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26 import os.path
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27 import time
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28 import cPickle as pickle
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29
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30 class SqliteStorage():
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31 """This class manage storage with Sqlite database"""
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32
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33
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34 def __init__(self, db_filename):
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35 """Connect to the given database
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36 @param db_filename: full path to the Sqlite database"""
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37 self.initialized = defer.Deferred() #triggered when memory is fully initialised and ready
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38 init_defers = [] #list of deferred we have to wait to before initialisation is complete
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39 self.profiles={} #we keep cache for the profiles (key: profile name, value: profile id)
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40
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41 info(_("Connecting database"))
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42 new_base = not os.path.exists(db_filename) #do we have to create the database ?
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43 self.dbpool = adbapi.ConnectionPool("sqlite3", db_filename, check_same_thread=False)
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44 init_defers.append(self.dbpool.runOperation("PRAGMA foreign_keys = ON").addErrback(lambda x: error(_("Can't activate foreign keys"))))
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45 if new_base:
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46 info(_("The database is new, creating the tables"))
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47 database_creation = [
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48 "CREATE TABLE profiles (id INTEGER PRIMARY KEY ASC, name TEXT, UNIQUE (name))",
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49 "CREATE TABLE history (id INTEGER PRIMARY KEY ASC, profile_id INTEGER, source TEXT, dest TEXT, source_res TEXT, dest_res TEXT, timestamp DATETIME, message TEXT, FOREIGN KEY(profile_id) REFERENCES profiles(id))",
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50 "CREATE TABLE param_gen (category TEXT, name TEXT, value TEXT, PRIMARY KEY (category,name))",
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51 "CREATE TABLE param_ind (category TEXT, name TEXT, profile_id INTEGER, value TEXT, PRIMARY KEY (category,name,profile_id), FOREIGN KEY(profile_id) REFERENCES profiles(id))",
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52 "CREATE TABLE private_gen (namespace TEXT, key TEXT, value TEXT, PRIMARY KEY (namespace, key))",
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53 "CREATE TABLE private_ind (namespace TEXT, key TEXT, profile_id INTEGER, value TEXT, PRIMARY KEY (namespace, key, profile_id), FOREIGN KEY(profile_id) REFERENCES profiles(id))",
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54 "CREATE TABLE private_gen_bin (namespace TEXT, key TEXT, value BLOB, PRIMARY KEY (namespace, key))",
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55 "CREATE TABLE private_ind_bin (namespace TEXT, key TEXT, profile_id INTEGER, value BLOB, PRIMARY KEY (namespace, key, profile_id), FOREIGN KEY(profile_id) REFERENCES profiles(id))",
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56 ]
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57 for op in database_creation:
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58 d = self.dbpool.runOperation(op)
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59 d.addErrback(lambda x: error(_("Error while creating tables in database [QUERY: %s]") % op ))
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60 init_defers.append(d)
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61
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62 def fillProfileCache(ignore):
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63 d = self.dbpool.runQuery("SELECT name,id FROM profiles").addCallback(self._profilesCache)
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64 d.chainDeferred(self.initialized)
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65
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66 defer.DeferredList(init_defers).addCallback(fillProfileCache)
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67
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68 #Profiles
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69 def _profilesCache(self, profiles_result):
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70 """Fill the profiles cache
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71 @param profiles_result: result of the sql profiles query"""
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72 for profile in profiles_result:
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73 name, id = profile
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74 self.profiles[name] = id
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75
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76 def getProfilesList(self):
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77 """"Return list of all registered profiles"""
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78 return self.profiles.keys()
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79
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80 def hasProfile(self, profile_name):
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81 """return True if profile_name exists
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82 @param profile_name: name of the profile to check"""
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83 return self.profiles.has_key(profile_name)
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84
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85 def createProfile(self, name):
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86 """Create a new profile
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87 @param name: name of the profile
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88 @return: deferred triggered once profile is actually created"""
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89 def getProfileId(ignore):
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90 return self.dbpool.runQuery("SELECT (id) FROM profiles WHERE name = ?", (name,))
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91
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92 def profile_created(profile_id):
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93 _id = profile_id[0][0]
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94 self.profiles[name] = _id #we synchronise the cache
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95
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96 d = self.dbpool.runQuery("INSERT INTO profiles(name) VALUES (?)", (name,))
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97 d.addCallback(getProfileId)
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98 d.addCallback(profile_created)
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99 return d
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100
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101 def deleteProfile(self, name):
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102 """Delete profile
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103 @param name: name of the profile
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104 @return: deferred triggered once profile is actually deleted"""
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105 def deletionError(failure):
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106 error(_("Can't delete profile [%s]") % name)
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107 return failure
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108 del self.profiles[name]
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109 d = self.dbpool.runQuery("DELETE FROM profiles WHERE name = ?", (name,))
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110 d.addCallback(lambda ignore: info(_("Profile [%s] deleted") % name))
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111 return d
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112
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113
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114 #Params
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115 def loadGenParams(self, params_gen):
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116 """Load general parameters
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117 @param params_gen: dictionary to fill
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118 @return: deferred"""
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119 def fillParams(result):
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120 for param in result:
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121 category,name,value = param
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122 params_gen[(category, name)] = value
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123 debug(_("loading general parameters from database"))
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124 return self.dbpool.runQuery("SELECT category,name,value FROM param_gen").addCallback(fillParams)
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125
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126 def loadIndParams(self, params_ind, profile):
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127 """Load individual parameters
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128 @param params_ind: dictionary to fill
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129 @param profile: a profile which *must* exist
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130 @return: deferred"""
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131 def fillParams(result):
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132 for param in result:
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133 category,name,value = param
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134 params_ind[(category, name)] = value
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135 debug(_("loading individual parameters from database"))
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136 d = self.dbpool.runQuery("SELECT category,name,value FROM param_ind WHERE profile_id=?", (self.profiles[profile],))
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137 d.addCallback(fillParams)
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138 return d
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139
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140 def getIndParam(self, category, name, profile):
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141 """Ask database for the value of one specific individual parameter
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142 @param category: category of the parameter
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143 @param name: name of the parameter
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144 @param profile: %(doc_profile)s
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145 @return: deferred"""
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146 d = self.dbpool.runQuery("SELECT value FROM param_ind WHERE category=? AND name=? AND profile_id=?", (category,name,self.profiles[profile]))
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147 d.addCallback(self.__getFirstResult)
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148 return d
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149
412
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150 def setGenParam(self, category, name, value):
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151 """Save the general parameters in database
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152 @param category: category of the parameter
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153 @param name: name of the parameter
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154 @param value: value to set
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155 @return: deferred"""
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156 d = self.dbpool.runQuery("REPLACE INTO param_gen(category,name,value) VALUES (?,?,?)", (category, name, value))
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157 d.addErrback(lambda ignore: error(_("Can't set general parameter (%(category)s/%(name)s) in database" % {"category":category, "name":name})))
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158 return d
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159
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160 def setIndParam(self, category, name, value, profile):
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161 """Save the individual parameters in database
412
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162 @param category: category of the parameter
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163 @param name: name of the parameter
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164 @param value: value to set
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165 @param profile: a profile which *must* exist
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166 @return: deferred"""
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167 d = self.dbpool.runQuery("REPLACE INTO param_ind(category,name,profile_id,value) VALUES (?,?,?,?)", (category, name, self.profiles[profile], value))
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168 d.addErrback(lambda ignore: error(_("Can't set individual parameter (%(category)s/%(name)s) for [%(profile)s] in database" % {"category":category, "name":name, "profile":profile})))
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169 return d
413
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170
425
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171 #History
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172 def addToHistory(self, from_jid, to_jid, message, timestamp=None, profile=None):
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173 """Store a new message in history
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174 @param from_jid: full source JID
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175 @param to_jid: full dest JID
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176 @param message: message
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177 @param timestamp: timestamp in seconds since epoch, or None to use current time
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178 """
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179 assert(profile!=None)
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180 d = self.dbpool.runQuery("INSERT INTO history(source, source_res, dest, dest_res, timestamp, message, profile_id) VALUES (?,?,?,?,?,?,?)",
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181 (from_jid.userhost(), from_jid.resource, to_jid.userhost(), to_jid.resource, timestamp or int(time.time()),
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182 message, self.profiles[profile]))
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183 d.addErrback(lambda ignore: error(_("Can't save following message in history: from [%(from_jid)s] to [%(to_jid)s] ==> [%(message)s]" %
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184 {"from_jid":from_jid.full(), "to_jid":to_jid.full(), "message":message})))
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185 return d
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186
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187 def getHistory(self, from_jid, to_jid, limit=0, between=True):
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188 """Store a new message in history
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189 @param from_jid: source JID (full, or bare for catchall
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190 @param to_jid: dest JID (full, or bare for catchall
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191 @param size: maximum number of messages to get, or 0 for unlimited
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192 """
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193 def sqliteToDict(result):
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194 result_dict = {}
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195 for row in result:
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196 timestamp, source, source_res, dest, dest_res, message = row
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197 result_dict[timestamp] = ("%s/%s" % (source, source_res) if source_res else source,
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198 "%s/%s" % (dest, dest_res) if dest_res else dest,
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199 message)
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200 return result_dict
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201
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202 query_parts = ["SELECT timestamp, source, source_res, dest, dest_res, message FROM history WHERE"]
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203 values = []
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204
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205 if between:
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206 query_parts.append("(source=? OR source=?) AND (dest=? or dest=?)")
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207 values.extend([from_jid.userhost(), to_jid.userhost(), to_jid.userhost(), from_jid.userhost()])
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208 else:
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209 query_parts.append("source=? AND dest=?")
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210 values.extend([from_jid.userhost(), to_jid.userhost()])
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211 if from_jid.resource:
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212 query_parts.append("AND source_res=?")
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213 values.append(from_jid.resource)
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214 if to_jid.resource:
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215 query_parts.append("AND dest_res=?")
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216 values.append(to_jid.resource)
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217 if limit:
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218 query_parts.append("LIMIT ?")
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219 values.append(limit)
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220 d = self.dbpool.runQuery(" ".join(query_parts), values)
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221 return d.addCallback(sqliteToDict)
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222
432
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223 #Private values
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224 def loadGenPrivates(self, private_gen, namespace):
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225 """Load general private values
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226 @param private_gen: dictionary to fill
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227 @param namespace: namespace of the values
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228 @return: deferred"""
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229 def fillPrivates(result):
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230 for private in result:
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231 key,value = private
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232 private_gen[key] = value
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233 debug(_("loading general private values [namespace: %s] from database") % (namespace,))
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234 d = self.dbpool.runQuery("SELECT key,value FROM private_gen WHERE namespace=?", namespace).addCallback(fillPrivates)
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235 return d.addErrback(lambda x: debug(_("No data present in database for namespace %s") % namespace))
425
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236
432
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237 def loadIndPrivates(self, private_ind, namespace, profile):
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238 """Load individual private values
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239 @param privates_ind: dictionary to fill
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240 @param namespace: namespace of the values
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241 @param profile: a profile which *must* exist
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242 @return: deferred"""
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243 def fillPrivates(result):
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244 for private in result:
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245 key,value = private
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246 private_ind[key] = value
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247 debug(_("loading individual private values [namespace: %s] from database") % (namespace,))
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248 d = self.dbpool.runQuery("SELECT key,value FROM private_ind WHERE namespace=? AND profile_id=?", (namespace, self.profiles[profile]))
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249 d.addCallback(fillPrivates)
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250 return d.addErrback(lambda x: debug(_("No data present in database for namespace %s") % namespace))
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251
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252 def setGenPrivate(self, namespace, key, value):
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253 """Save the general private value in database
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254 @param category: category of the privateeter
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255 @param key: key of the private value
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256 @param value: value to set
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257 @return: deferred"""
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258 d = self.dbpool.runQuery("REPLACE INTO private_gen(namespace,key,value) VALUES (?,?,?)", (namespace,key,value))
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259 d.addErrback(lambda ignore: error(_("Can't set general private value (%(key)s) [namespace:%(namespace)s] in database" %
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260 {"namespace":namespace, "key":key})))
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261 return d
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262
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263 def setIndPrivate(self, namespace, key, value, profile):
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264 """Save the individual private value in database
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265 @param namespace: namespace of the value
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266 @param key: key of the private value
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267 @param value: value to set
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268 @param profile: a profile which *must* exist
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269 @return: deferred"""
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270 d = self.dbpool.runQuery("REPLACE INTO private_ind(namespace,key,profile_id,value) VALUES (?,?,?,?)", (namespace, key, self.profiles[profile], value))
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271 d.addErrback(lambda ignore: error(_("Can't set individual private value (%(key)s) [namespace: %(namespace)s] for [%(profile)s] in database" %
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272 {"namespace":namespace, "key":key, "profile":profile})))
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273 return d
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274
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275 def delGenPrivate(self, namespace, key):
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276 """Delete the general private value from database
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277 @param category: category of the privateeter
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278 @param key: key of the private value
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279 @return: deferred"""
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diff changeset
280 d = self.dbpool.runQuery("DELETE FROM private_gen WHERE namespace=? AND key=?", (namespace,key))
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281 d.addErrback(lambda ignore: error(_("Can't delete general private value (%(key)s) [namespace:%(namespace)s] in database" %
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diff changeset
282 {"namespace":namespace, "key":key})))
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diff changeset
283 return d
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284
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285 def delIndPrivate(self, namespace, key, profile):
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286 """Delete the individual private value from database
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diff changeset
287 @param namespace: namespace of the value
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diff changeset
288 @param key: key of the private value
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289 @param profile: a profile which *must* exist
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290 @return: deferred"""
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291 d = self.dbpool.runQuery("DELETE FROM private_ind WHERE namespace=? AND key=? AND profile=?)", (namespace, key, self.profiles[profile]))
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diff changeset
292 d.addErrback(lambda ignore: error(_("Can't delete individual private value (%(key)s) [namespace: %(namespace)s] for [%(profile)s] in database" %
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diff changeset
293 {"namespace":namespace, "key":key, "profile":profile})))
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diff changeset
294 return d
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295
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296
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297 def loadGenPrivatesBinary(self, private_gen, namespace):
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298 """Load general private binary values
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299 @param private_gen: dictionary to fill
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300 @param namespace: namespace of the values
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301 @return: deferred"""
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302 def fillPrivates(result):
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303 for private in result:
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diff changeset
304 key,value = private
436
5e9d28ca5109 core: sqlite persistentBinaryDict storage fix
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305 private_gen[key] = pickle.loads(str(value))
432
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306 debug(_("loading general private binary values [namespace: %s] from database") % (namespace,))
436
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diff changeset
307 d = self.dbpool.runQuery("SELECT key,value FROM private_gen_bin WHERE namespace=?", (namespace,)).addCallback(fillPrivates)
432
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diff changeset
308 return d.addErrback(lambda x: debug(_("No binary data present in database for namespace %s") % namespace))
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diff changeset
309
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diff changeset
310 def loadIndPrivatesBinary(self, private_ind, namespace, profile):
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311 """Load individual private binary values
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diff changeset
312 @param privates_ind: dictionary to fill
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313 @param namespace: namespace of the values
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314 @param profile: a profile which *must* exist
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315 @return: deferred"""
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diff changeset
316 def fillPrivates(result):
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diff changeset
317 for private in result:
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diff changeset
318 key,value = private
436
5e9d28ca5109 core: sqlite persistentBinaryDict storage fix
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diff changeset
319 private_ind[key] = pickle.loads(str(value))
432
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diff changeset
320 debug(_("loading individual private binary values [namespace: %s] from database") % (namespace,))
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diff changeset
321 d = self.dbpool.runQuery("SELECT key,value FROM private_ind_bin WHERE namespace=? AND profile_id=?", (namespace, self.profiles[profile]))
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diff changeset
322 d.addCallback(fillPrivates)
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323 return d.addErrback(lambda x: debug(_("No binary data present in database for namespace %s") % namespace))
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diff changeset
324
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diff changeset
325 def setGenPrivateBinary(self, namespace, key, value):
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326 """Save the general private binary value in database
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327 @param category: category of the privateeter
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diff changeset
328 @param key: key of the private value
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diff changeset
329 @param value: value to set
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diff changeset
330 @return: deferred"""
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diff changeset
331 d = self.dbpool.runQuery("REPLACE INTO private_gen_bin(namespace,key,value) VALUES (?,?,?)", (namespace,key,pickle.dumps(value,0)))
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diff changeset
332 d.addErrback(lambda ignore: error(_("Can't set general private binary value (%(key)s) [namespace:%(namespace)s] in database" %
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diff changeset
333 {"namespace":namespace, "key":key})))
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diff changeset
334 return d
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diff changeset
335
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diff changeset
336 def setIndPrivateBinary(self, namespace, key, value, profile):
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diff changeset
337 """Save the individual private binary value in database
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diff changeset
338 @param namespace: namespace of the value
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diff changeset
339 @param key: key of the private value
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diff changeset
340 @param value: value to set
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diff changeset
341 @param profile: a profile which *must* exist
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diff changeset
342 @return: deferred"""
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parents: 425
diff changeset
343 d = self.dbpool.runQuery("REPLACE INTO private_ind_bin(namespace,key,profile_id,value) VALUES (?,?,?,?)", (namespace, key, self.profiles[profile], pickle.dumps(value,0)))
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diff changeset
344 d.addErrback(lambda ignore: error(_("Can't set individual binary private value (%(key)s) [namespace: %(namespace)s] for [%(profile)s] in database" %
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diff changeset
345 {"namespace":namespace, "key":key, "profile":profile})))
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diff changeset
346 return d
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diff changeset
347
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diff changeset
348 def delGenPrivateBinary(self, namespace, key):
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diff changeset
349 """Delete the general private binary value from database
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parents: 425
diff changeset
350 @param category: category of the privateeter
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diff changeset
351 @param key: key of the private value
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diff changeset
352 @return: deferred"""
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parents: 425
diff changeset
353 d = self.dbpool.runQuery("DELETE FROM private_gen_bin WHERE namespace=? AND key=?", (namespace,key))
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parents: 425
diff changeset
354 d.addErrback(lambda ignore: error(_("Can't delete general private binary value (%(key)s) [namespace:%(namespace)s] in database" %
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parents: 425
diff changeset
355 {"namespace":namespace, "key":key})))
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parents: 425
diff changeset
356 return d
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Goffi <goffi@goffi.org>
parents: 425
diff changeset
357
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diff changeset
358 def delIndPrivateBinary(self, namespace, key, profile):
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diff changeset
359 """Delete the individual private binary value from database
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parents: 425
diff changeset
360 @param namespace: namespace of the value
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parents: 425
diff changeset
361 @param key: key of the private value
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parents: 425
diff changeset
362 @param profile: a profile which *must* exist
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parents: 425
diff changeset
363 @return: deferred"""
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Goffi <goffi@goffi.org>
parents: 425
diff changeset
364 d = self.dbpool.runQuery("DELETE FROM private_ind_bin WHERE namespace=? AND key=? AND profile=?)", (namespace, key, self.profiles[profile]))
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Goffi <goffi@goffi.org>
parents: 425
diff changeset
365 d.addErrback(lambda ignore: error(_("Can't delete individual private binary value (%(key)s) [namespace: %(namespace)s] for [%(profile)s] in database" %
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parents: 425
diff changeset
366 {"namespace":namespace, "key":key, "profile":profile})))
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Goffi <goffi@goffi.org>
parents: 425
diff changeset
367 return d
413
dd4caab17008 core: - individual parameters managed through sqlite
Goffi <goffi@goffi.org>
parents: 412
diff changeset
368 ##Helper methods##
dd4caab17008 core: - individual parameters managed through sqlite
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parents: 412
diff changeset
369
dd4caab17008 core: - individual parameters managed through sqlite
Goffi <goffi@goffi.org>
parents: 412
diff changeset
370 def __getFirstResult(self, result):
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Goffi <goffi@goffi.org>
parents: 412
diff changeset
371 """Return the first result of a database query
dd4caab17008 core: - individual parameters managed through sqlite
Goffi <goffi@goffi.org>
parents: 412
diff changeset
372 Useful when we are looking for one specific value"""
416
32dc8b18c2ae core: param loading/purging on profile connection/disconnection
Goffi <goffi@goffi.org>
parents: 413
diff changeset
373 return None if not result else result[0][0]