annotate src/memory/sqlite.py @ 901:c238d2c02237

plugin radiocol: add MP3 support
author souliane <souliane@mailoo.org>
date Wed, 05 Mar 2014 23:24:03 +0100
parents c2f6ada7858f
children 34dd9287dfe5
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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 # SAT: a jabber client
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5 # Copyright (C) 2009, 2010, 2011, 2012, 2013, 2014 Jérôme Poisson (goffi@goffi.org)
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7 # This program is free software: you can redistribute it and/or modify
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8 # it under the terms of the GNU Affero General Public License as published by
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9 # the Free Software Foundation, either version 3 of the License, or
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10 # (at your option) any later version.
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12 # This program is distributed in the hope that it will be useful,
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13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 # GNU Affero General Public License for more details.
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17 # You should have received a copy of the GNU Affero General Public License
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18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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19
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20 from sat.core.i18n import _
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21 from sat.core import exceptions
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22 from logging import debug, info, warning, error
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23 from twisted.enterprise import adbapi
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24 from twisted.internet import defer
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25 from collections import OrderedDict
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26 from time import time
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27 import re
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28 import os.path
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29 import cPickle as pickle
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30 import hashlib
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31
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32 CURRENT_DB_VERSION = 1
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33
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34 # XXX: DATABASE schemas are used in the following way:
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35 # - 'current' key is for the actual database schema, for a new base
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36 # - x(int) is for update needed between x-1 and x. All number are needed between y and z to do an update
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37 # e.g.: if CURRENT_DB_VERSION is 6, 'current' is the actuel DB, and to update from version 3, numbers 4, 5 and 6 are needed
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38 # a 'current' data dict can contains the keys:
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39 # - 'CREATE': it contains an Ordered dict with table to create as keys, and a len 2 tuple as value, where value[0] are the columns definitions and value[1] are the table constraints
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40 # - 'INSERT': it contains an Ordered dict with table where values have to be inserted, and many tuples containing values to insert in the order of the rows (#TODO: manage named columns)
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41 # an update data dict (the ones with a number) can contains the keys 'create', 'delete', 'cols create', 'cols delete', 'cols modify' or 'insert'. See Updater.generateUpdateData for more infos. This metho can be used to autogenerate update_data, to ease the work of the developers.
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42
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43 DATABASE_SCHEMAS = {
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44 "current": {'CREATE': OrderedDict((
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45 ('profiles', (("id INTEGER PRIMARY KEY ASC", "name TEXT"),
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46 ("UNIQUE (name)",))),
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47 ('message_types', (("type TEXT PRIMARY KEY",),
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48 tuple())),
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49 ('history', (("id INTEGER PRIMARY KEY ASC", "profile_id INTEGER", "source TEXT", "dest TEXT", "source_res TEXT", "dest_res TEXT", "timestamp DATETIME", "message TEXT", "type TEXT", "extra BLOB"),
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50 ("FOREIGN KEY(profile_id) REFERENCES profiles(id) ON DELETE CASCADE", "FOREIGN KEY(type) REFERENCES message_types(type)"))),
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51 ('param_gen', (("category TEXT", "name TEXT", "value TEXT"),
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52 ("PRIMARY KEY (category,name)",))),
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53 ('param_ind', (("category TEXT", "name TEXT", "profile_id INTEGER", "value TEXT"),
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54 ("PRIMARY KEY (category,name,profile_id)", "FOREIGN KEY(profile_id) REFERENCES profiles(id) ON DELETE CASCADE"))),
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55 ('private_gen', (("namespace TEXT", "key TEXT", "value TEXT"),
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56 ("PRIMARY KEY (namespace, key)",))),
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57 ('private_ind', (("namespace TEXT", "key TEXT", "profile_id INTEGER", "value TEXT"),
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58 ("PRIMARY KEY (namespace, key, profile_id)", "FOREIGN KEY(profile_id) REFERENCES profiles(id) ON DELETE CASCADE"))),
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59 ('private_gen_bin', (("namespace TEXT", "key TEXT", "value BLOB"),
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60 ("PRIMARY KEY (namespace, key)",))),
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61
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62 ('private_ind_bin', (("namespace TEXT", "key TEXT", "profile_id INTEGER", "value BLOB"),
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63 ("PRIMARY KEY (namespace, key, profile_id)", "FOREIGN KEY(profile_id) REFERENCES profiles(id) ON DELETE CASCADE")))
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64 )),
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65 'INSERT': OrderedDict((
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66 ('message_types', (("'chat'",), ("'error'",), ("'groupchat'",), ("'headline'",), ("'normal'",))),
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67 )),
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68 },
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69 1: {'cols create': {'history': ('extra BLOB',)}
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70 },
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71 }
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73
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74 class SqliteStorage(object):
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75 """This class manage storage with Sqlite database"""
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76
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77 def __init__(self, db_filename, sat_version):
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78 """Connect to the given database
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79 @param db_filename: full path to the Sqlite database"""
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80 self.initialized = defer.Deferred() # triggered when memory is fully initialised and ready
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81 self.profiles = {} # we keep cache for the profiles (key: profile name, value: profile id)
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82
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83 info(_("Connecting database"))
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84 new_base = not os.path.exists(db_filename) # do we have to create the database ?
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85 self.dbpool = adbapi.ConnectionPool("sqlite3", db_filename, check_same_thread=False)
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87 # init_defer is the initialisation deferred, initialisation is ok when all its callbacks have been done
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88 init_defer = self.dbpool.runOperation("PRAGMA foreign_keys = ON").addErrback(lambda x: error(_("Can't activate foreign keys")))
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89
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90 def getNewBaseSql():
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91 info(_("The database is new, creating the tables"))
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92 database_creation = ["PRAGMA user_version=%d" % CURRENT_DB_VERSION]
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93 database_creation.extend(Updater.createData2Raw(DATABASE_SCHEMAS['current']['CREATE']))
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94 database_creation.extend(Updater.insertData2Raw(DATABASE_SCHEMAS['current']['INSERT']))
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95 return database_creation
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96
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97 def getUpdateSql():
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98 updater = Updater(self.dbpool, sat_version)
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99 return updater.checkUpdates()
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100
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101 def commitStatements(statements):
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102
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103 if statements is None:
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104 return defer.succeed(None)
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105 debug("===== COMMITING STATEMENTS =====\n%s\n============\n\n" % '\n'.join(statements))
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106 d = self.dbpool.runInteraction(self._updateDb, tuple(statements))
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107 return d
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108
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109 init_defer.addCallback(lambda ignore: getNewBaseSql() if new_base else getUpdateSql())
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110 init_defer.addCallback(commitStatements)
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111
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112 def fillProfileCache(ignore):
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113 d = self.dbpool.runQuery("SELECT name,id FROM profiles").addCallback(self._profilesCache)
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114 d.chainDeferred(self.initialized)
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115
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116 init_defer.addCallback(fillProfileCache)
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117
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118 def _updateDb(self, interaction, statements):
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119 for statement in statements:
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120 interaction.execute(statement)
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121
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122
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123 #Profiles
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124 def _profilesCache(self, profiles_result):
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125 """Fill the profiles cache
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126 @param profiles_result: result of the sql profiles query"""
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127 for profile in profiles_result:
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128 name, id_ = profile
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129 self.profiles[name] = id_
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130
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131 def getProfilesList(self):
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132 """"Return list of all registered profiles"""
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133 return self.profiles.keys()
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134
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135 def hasProfile(self, profile_name):
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136 """return True if profile_name exists
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137 @param profile_name: name of the profile to check"""
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138 return profile_name in self.profiles
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139
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140 def createProfile(self, name):
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141 """Create a new profile
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142 @param name: name of the profile
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143 @return: deferred triggered once profile is actually created"""
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144
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145 def getProfileId(ignore):
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146 return self.dbpool.runQuery("SELECT (id) FROM profiles WHERE name = ?", (name, ))
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147
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148 def profile_created(profile_id):
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149 _id = profile_id[0][0]
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150 self.profiles[name] = _id # we synchronise the cache
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151
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152 d = self.dbpool.runQuery("INSERT INTO profiles(name) VALUES (?)", (name, ))
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153 d.addCallback(getProfileId)
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154 d.addCallback(profile_created)
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155 return d
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156
420
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157 def deleteProfile(self, name):
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158 """Delete profile
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159 @param name: name of the profile
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160 @return: deferred triggered once profile is actually deleted"""
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161 def deletionError(failure):
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162 error(_("Can't delete profile [%s]") % name)
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163 return failure
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164
420
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165 del self.profiles[name]
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166 d = self.dbpool.runQuery("DELETE FROM profiles WHERE name = ?", (name, ))
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167 d.addCallback(lambda ignore: info(_("Profile [%s] deleted") % name))
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168 d.addErrback(deletionError)
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169 return d
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170
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171 #Params
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172 def loadGenParams(self, params_gen):
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173 """Load general parameters
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174 @param params_gen: dictionary to fill
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175 @return: deferred"""
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176
412
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177 def fillParams(result):
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178 for param in result:
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179 category, name, value = param
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180 params_gen[(category, name)] = value
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181 debug(_("loading general parameters from database"))
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182 return self.dbpool.runQuery("SELECT category,name,value FROM param_gen").addCallback(fillParams)
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183
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184 def loadIndParams(self, params_ind, profile):
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185 """Load individual parameters
412
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186 @param params_ind: dictionary to fill
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187 @param profile: a profile which *must* exist
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188 @return: deferred"""
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189
412
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190 def fillParams(result):
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191 for param in result:
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192 category, name, value = param
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193 params_ind[(category, name)] = value
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194 debug(_("loading individual parameters from database"))
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195 d = self.dbpool.runQuery("SELECT category,name,value FROM param_ind WHERE profile_id=?", (self.profiles[profile], ))
412
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196 d.addCallback(fillParams)
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197 return d
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198
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199 def getIndParam(self, category, name, profile):
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200 """Ask database for the value of one specific individual parameter
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201 @param category: category of the parameter
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202 @param name: name of the parameter
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203 @param profile: %(doc_profile)s
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204 @return: deferred"""
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205 d = self.dbpool.runQuery("SELECT value FROM param_ind WHERE category=? AND name=? AND profile_id=?", (category, name, self.profiles[profile]))
413
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206 d.addCallback(self.__getFirstResult)
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207 return d
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208
412
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209 def setGenParam(self, category, name, value):
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210 """Save the general parameters in database
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211 @param category: category of the parameter
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212 @param name: name of the parameter
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213 @param value: value to set
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214 @return: deferred"""
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215 d = self.dbpool.runQuery("REPLACE INTO param_gen(category,name,value) VALUES (?,?,?)", (category, name, value))
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216 d.addErrback(lambda ignore: error(_("Can't set general parameter (%(category)s/%(name)s) in database" % {"category": category, "name": name})))
412
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217 return d
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218
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219 def setIndParam(self, category, name, value, profile):
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220 """Save the individual parameters in database
412
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221 @param category: category of the parameter
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222 @param name: name of the parameter
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223 @param value: value to set
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224 @param profile: a profile which *must* exist
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225 @return: deferred"""
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226 d = self.dbpool.runQuery("REPLACE INTO param_ind(category,name,profile_id,value) VALUES (?,?,?,?)", (category, name, self.profiles[profile], value))
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227 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})))
412
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228 return d
413
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229
425
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230 #History
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231 def addToHistory(self, from_jid, to_jid, message, _type='chat', extra=None, timestamp=None, profile=None):
425
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232 """Store a new message in history
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diff changeset
233 @param from_jid: full source JID
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234 @param to_jid: full dest JID
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diff changeset
235 @param message: message
512
862c0d6ab974 core, bridge, quick_frontend: MUC private messages history management:
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parents: 480
diff changeset
236 @param _type: message type (see RFC 6121 §5.2.2)
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diff changeset
237 @param extra: dictionary (keys and values are unicode) of extra message data
425
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diff changeset
238 @param timestamp: timestamp in seconds since epoch, or None to use current time
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239 """
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diff changeset
240 assert(profile)
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241 if extra is None:
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diff changeset
242 extra = {}
839
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diff changeset
243 extra_ = pickle.dumps({k: v.encode('utf-8') for k, v in extra.items()}, 0).decode('utf-8')
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244 d = self.dbpool.runQuery("INSERT INTO history(source, source_res, dest, dest_res, timestamp, message, type, extra, profile_id) VALUES (?,?,?,?,?,?,?,?,?)",
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245 (from_jid.userhost(), from_jid.resource, to_jid.userhost(), to_jid.resource, timestamp or time(),
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diff changeset
246 message, _type, extra_, self.profiles[profile]))
425
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247 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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diff changeset
248 {"from_jid": from_jid.full(), "to_jid": to_jid.full(), "message": message})))
425
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249 return d
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250
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diff changeset
251 def getHistory(self, from_jid, to_jid, limit=0, between=True, profile=None):
425
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252 """Store a new message in history
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253 @param from_jid: source JID (full, or bare for catchall
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254 @param to_jid: dest JID (full, or bare for catchall
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diff changeset
255 @param size: maximum number of messages to get, or 0 for unlimited
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diff changeset
256 """
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diff changeset
257 assert(profile)
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258
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diff changeset
259 def sqliteToList(query_result):
448
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parents: 441
diff changeset
260 query_result.reverse()
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parents: 441
diff changeset
261 result = []
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diff changeset
262 for row in query_result:
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diff changeset
263 timestamp, source, source_res, dest, dest_res, message, type_, extra_raw = row
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diff changeset
264 try:
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diff changeset
265 extra = pickle.loads(str(extra_raw or ""))
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diff changeset
266 except EOFError:
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diff changeset
267 extra = {}
448
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diff changeset
268 result.append((timestamp, "%s/%s" % (source, source_res) if source_res else source,
425
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269 "%s/%s" % (dest, dest_res) if dest_res else dest,
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diff changeset
270 message, type_, extra))
448
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diff changeset
271 return result
512
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272
669
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273 query_parts = ["SELECT timestamp, source, source_res, dest, dest_res, message, type, extra FROM history WHERE profile_id=? AND"]
538
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diff changeset
274 values = [self.profiles[profile]]
425
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275
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diff changeset
276 def test_jid(type_, _jid):
512
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diff changeset
277 values.append(_jid.userhost())
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diff changeset
278 if _jid.resource:
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diff changeset
279 values.append(_jid.resource)
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diff changeset
280 return '(%s=? AND %s_res=?)' % (type_, type_)
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diff changeset
281 return '%s=?' % (type_, )
587
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282
425
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283 if between:
681
66633443bcd7 memory: fixed getHistory behavior when parameter between=True:
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284 query_parts.append("((%s AND %s) OR (%s AND %s))" % (test_jid('source', from_jid),
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diff changeset
285 test_jid('dest', to_jid),
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diff changeset
286 test_jid('source', to_jid),
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souliane <souliane@mailoo.org>
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diff changeset
287 test_jid('dest', from_jid)))
425
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diff changeset
288 else:
592
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diff changeset
289 query_parts.append("%s AND %s" % (test_jid('source', from_jid),
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diff changeset
290 test_jid('dest', to_jid)))
448
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291
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292 query_parts.append("ORDER BY timestamp DESC")
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293
425
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diff changeset
294 if limit:
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295 query_parts.append("LIMIT ?")
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296 values.append(limit)
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297
425
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298 d = self.dbpool.runQuery(" ".join(query_parts), values)
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diff changeset
299 return d.addCallback(sqliteToList)
425
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300
432
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diff changeset
301 #Private values
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
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302 def loadGenPrivates(self, private_gen, namespace):
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303 """Load general private values
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304 @param private_gen: dictionary to fill
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305 @param namespace: namespace of the values
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306 @return: deferred"""
592
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307
432
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
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diff changeset
308 def fillPrivates(result):
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diff changeset
309 for private in result:
592
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parents: 588
diff changeset
310 key, value = private
432
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
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parents: 425
diff changeset
311 private_gen[key] = value
592
e5a875a3311b Fix pep8 support in src/memory.
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parents: 588
diff changeset
312 debug(_("loading general private values [namespace: %s] from database") % (namespace, ))
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parents: 588
diff changeset
313 d = self.dbpool.runQuery("SELECT key,value FROM private_gen WHERE namespace=?", (namespace, )).addCallback(fillPrivates)
432
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
Goffi <goffi@goffi.org>
parents: 425
diff changeset
314 return d.addErrback(lambda x: debug(_("No data present in database for namespace %s") % namespace))
425
e4e9187e3b5b backend, bridge: asynchronous history
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315
432
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
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parents: 425
diff changeset
316 def loadIndPrivates(self, private_ind, namespace, profile):
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
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parents: 425
diff changeset
317 """Load individual private values
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
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318 @param privates_ind: dictionary to fill
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319 @param namespace: namespace of the values
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parents: 425
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320 @param profile: a profile which *must* exist
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parents: 425
diff changeset
321 @return: deferred"""
592
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diff changeset
322
432
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
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parents: 425
diff changeset
323 def fillPrivates(result):
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
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parents: 425
diff changeset
324 for private in result:
592
e5a875a3311b Fix pep8 support in src/memory.
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parents: 588
diff changeset
325 key, value = private
432
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
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diff changeset
326 private_ind[key] = value
592
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parents: 588
diff changeset
327 debug(_("loading individual private values [namespace: %s] from database") % (namespace, ))
432
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
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parents: 425
diff changeset
328 d = self.dbpool.runQuery("SELECT key,value FROM private_ind WHERE namespace=? AND profile_id=?", (namespace, self.profiles[profile]))
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
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parents: 425
diff changeset
329 d.addCallback(fillPrivates)
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parents: 425
diff changeset
330 return d.addErrback(lambda x: debug(_("No data present in database for namespace %s") % namespace))
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
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parents: 425
diff changeset
331
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
Goffi <goffi@goffi.org>
parents: 425
diff changeset
332 def setGenPrivate(self, namespace, key, value):
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
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parents: 425
diff changeset
333 """Save the general private value in database
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
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parents: 425
diff changeset
334 @param category: category of the privateeter
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diff changeset
335 @param key: key of the private value
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
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parents: 425
diff changeset
336 @param value: value to set
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Goffi <goffi@goffi.org>
parents: 425
diff changeset
337 @return: deferred"""
592
e5a875a3311b Fix pep8 support in src/memory.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 588
diff changeset
338 d = self.dbpool.runQuery("REPLACE INTO private_gen(namespace,key,value) VALUES (?,?,?)", (namespace, key, value))
587
952322b1d490 Remove trailing whitespaces.
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parents: 572
diff changeset
339 d.addErrback(lambda ignore: error(_("Can't set general private value (%(key)s) [namespace:%(namespace)s] in database" %
592
e5a875a3311b Fix pep8 support in src/memory.
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diff changeset
340 {"namespace": namespace, "key": key})))
432
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
Goffi <goffi@goffi.org>
parents: 425
diff changeset
341 return d
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Goffi <goffi@goffi.org>
parents: 425
diff changeset
342
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
Goffi <goffi@goffi.org>
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diff changeset
343 def setIndPrivate(self, namespace, key, value, profile):
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
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parents: 425
diff changeset
344 """Save the individual private value in database
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diff changeset
345 @param namespace: namespace of the value
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diff changeset
346 @param key: key of the private value
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
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parents: 425
diff changeset
347 @param value: value to set
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
Goffi <goffi@goffi.org>
parents: 425
diff changeset
348 @param profile: a profile which *must* exist
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
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parents: 425
diff changeset
349 @return: deferred"""
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
Goffi <goffi@goffi.org>
parents: 425
diff changeset
350 d = self.dbpool.runQuery("REPLACE INTO private_ind(namespace,key,profile_id,value) VALUES (?,?,?,?)", (namespace, key, self.profiles[profile], value))
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parents: 425
diff changeset
351 d.addErrback(lambda ignore: error(_("Can't set individual private value (%(key)s) [namespace: %(namespace)s] for [%(profile)s] in database" %
592
e5a875a3311b Fix pep8 support in src/memory.
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parents: 588
diff changeset
352 {"namespace": namespace, "key": key, "profile": profile})))
432
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
Goffi <goffi@goffi.org>
parents: 425
diff changeset
353 return d
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parents: 425
diff changeset
354
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
Goffi <goffi@goffi.org>
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diff changeset
355 def delGenPrivate(self, namespace, key):
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
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parents: 425
diff changeset
356 """Delete the general private value from database
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parents: 425
diff changeset
357 @param category: category of the privateeter
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parents: 425
diff changeset
358 @param key: key of the private value
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
Goffi <goffi@goffi.org>
parents: 425
diff changeset
359 @return: deferred"""
592
e5a875a3311b Fix pep8 support in src/memory.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 588
diff changeset
360 d = self.dbpool.runQuery("DELETE FROM private_gen WHERE namespace=? AND key=?", (namespace, key))
587
952322b1d490 Remove trailing whitespaces.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 572
diff changeset
361 d.addErrback(lambda ignore: error(_("Can't delete general private value (%(key)s) [namespace:%(namespace)s] in database" %
592
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Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 588
diff changeset
362 {"namespace": namespace, "key": key})))
432
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Goffi <goffi@goffi.org>
parents: 425
diff changeset
363 return d
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Goffi <goffi@goffi.org>
parents: 425
diff changeset
364
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
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parents: 425
diff changeset
365 def delIndPrivate(self, namespace, key, profile):
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
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parents: 425
diff changeset
366 """Delete the individual private value from database
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parents: 425
diff changeset
367 @param namespace: namespace of the value
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parents: 425
diff changeset
368 @param key: key of the private value
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
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parents: 425
diff changeset
369 @param profile: a profile which *must* exist
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
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parents: 425
diff changeset
370 @return: deferred"""
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Goffi <goffi@goffi.org>
parents: 425
diff changeset
371 d = self.dbpool.runQuery("DELETE FROM private_ind WHERE namespace=? AND key=? AND profile=?)", (namespace, key, self.profiles[profile]))
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parents: 425
diff changeset
372 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
373 {"namespace": namespace, "key": key, "profile": profile})))
432
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parents: 425
diff changeset
374 return d
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
Goffi <goffi@goffi.org>
parents: 425
diff changeset
375
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
Goffi <goffi@goffi.org>
parents: 425
diff changeset
376 def loadGenPrivatesBinary(self, private_gen, namespace):
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
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parents: 425
diff changeset
377 """Load general private binary values
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parents: 425
diff changeset
378 @param private_gen: dictionary to fill
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diff changeset
379 @param namespace: namespace of the values
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parents: 425
diff changeset
380 @return: deferred"""
592
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diff changeset
381
432
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
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parents: 425
diff changeset
382 def fillPrivates(result):
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
Goffi <goffi@goffi.org>
parents: 425
diff changeset
383 for private in result:
592
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diff changeset
384 key, value = private
436
5e9d28ca5109 core: sqlite persistentBinaryDict storage fix
Goffi <goffi@goffi.org>
parents: 432
diff changeset
385 private_gen[key] = pickle.loads(str(value))
592
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parents: 588
diff changeset
386 debug(_("loading general private binary values [namespace: %s] from database") % (namespace, ))
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parents: 588
diff changeset
387 d = self.dbpool.runQuery("SELECT key,value FROM private_gen_bin WHERE namespace=?", (namespace, )).addCallback(fillPrivates)
432
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
Goffi <goffi@goffi.org>
parents: 425
diff changeset
388 return d.addErrback(lambda x: debug(_("No binary data present in database for namespace %s") % namespace))
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
Goffi <goffi@goffi.org>
parents: 425
diff changeset
389
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
Goffi <goffi@goffi.org>
parents: 425
diff changeset
390 def loadIndPrivatesBinary(self, private_ind, namespace, profile):
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
Goffi <goffi@goffi.org>
parents: 425
diff changeset
391 """Load individual private binary values
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
Goffi <goffi@goffi.org>
parents: 425
diff changeset
392 @param privates_ind: dictionary to fill
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
Goffi <goffi@goffi.org>
parents: 425
diff changeset
393 @param namespace: namespace of the values
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
Goffi <goffi@goffi.org>
parents: 425
diff changeset
394 @param profile: a profile which *must* exist
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
Goffi <goffi@goffi.org>
parents: 425
diff changeset
395 @return: deferred"""
592
e5a875a3311b Fix pep8 support in src/memory.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 588
diff changeset
396
432
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
Goffi <goffi@goffi.org>
parents: 425
diff changeset
397 def fillPrivates(result):
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
Goffi <goffi@goffi.org>
parents: 425
diff changeset
398 for private in result:
592
e5a875a3311b Fix pep8 support in src/memory.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 588
diff changeset
399 key, value = private
436
5e9d28ca5109 core: sqlite persistentBinaryDict storage fix
Goffi <goffi@goffi.org>
parents: 432
diff changeset
400 private_ind[key] = pickle.loads(str(value))
592
e5a875a3311b Fix pep8 support in src/memory.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 588
diff changeset
401 debug(_("loading individual private binary values [namespace: %s] from database") % (namespace, ))
432
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
Goffi <goffi@goffi.org>
parents: 425
diff changeset
402 d = self.dbpool.runQuery("SELECT key,value FROM private_ind_bin WHERE namespace=? AND profile_id=?", (namespace, self.profiles[profile]))
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
Goffi <goffi@goffi.org>
parents: 425
diff changeset
403 d.addCallback(fillPrivates)
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
Goffi <goffi@goffi.org>
parents: 425
diff changeset
404 return d.addErrback(lambda x: debug(_("No binary data present in database for namespace %s") % namespace))
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
Goffi <goffi@goffi.org>
parents: 425
diff changeset
405
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
Goffi <goffi@goffi.org>
parents: 425
diff changeset
406 def setGenPrivateBinary(self, namespace, key, value):
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
Goffi <goffi@goffi.org>
parents: 425
diff changeset
407 """Save the general private binary value in database
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
Goffi <goffi@goffi.org>
parents: 425
diff changeset
408 @param category: category of the privateeter
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
Goffi <goffi@goffi.org>
parents: 425
diff changeset
409 @param key: key of the private value
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
Goffi <goffi@goffi.org>
parents: 425
diff changeset
410 @param value: value to set
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
Goffi <goffi@goffi.org>
parents: 425
diff changeset
411 @return: deferred"""
592
e5a875a3311b Fix pep8 support in src/memory.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 588
diff changeset
412 d = self.dbpool.runQuery("REPLACE INTO private_gen_bin(namespace,key,value) VALUES (?,?,?)", (namespace, key, pickle.dumps(value, 0)))
587
952322b1d490 Remove trailing whitespaces.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 572
diff changeset
413 d.addErrback(lambda ignore: error(_("Can't set general private binary value (%(key)s) [namespace:%(namespace)s] in database" %
592
e5a875a3311b Fix pep8 support in src/memory.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 588
diff changeset
414 {"namespace": namespace, "key": key})))
432
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
Goffi <goffi@goffi.org>
parents: 425
diff changeset
415 return d
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
Goffi <goffi@goffi.org>
parents: 425
diff changeset
416
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
Goffi <goffi@goffi.org>
parents: 425
diff changeset
417 def setIndPrivateBinary(self, namespace, key, value, profile):
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
Goffi <goffi@goffi.org>
parents: 425
diff changeset
418 """Save the individual private binary value in database
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
Goffi <goffi@goffi.org>
parents: 425
diff changeset
419 @param namespace: namespace of the value
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
Goffi <goffi@goffi.org>
parents: 425
diff changeset
420 @param key: key of the private value
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
Goffi <goffi@goffi.org>
parents: 425
diff changeset
421 @param value: value to set
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
Goffi <goffi@goffi.org>
parents: 425
diff changeset
422 @param profile: a profile which *must* exist
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
Goffi <goffi@goffi.org>
parents: 425
diff changeset
423 @return: deferred"""
592
e5a875a3311b Fix pep8 support in src/memory.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 588
diff changeset
424 d = self.dbpool.runQuery("REPLACE INTO private_ind_bin(namespace,key,profile_id,value) VALUES (?,?,?,?)", (namespace, key, self.profiles[profile], pickle.dumps(value, 0)))
432
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
Goffi <goffi@goffi.org>
parents: 425
diff changeset
425 d.addErrback(lambda ignore: error(_("Can't set individual binary private value (%(key)s) [namespace: %(namespace)s] for [%(profile)s] in database" %
592
e5a875a3311b Fix pep8 support in src/memory.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 588
diff changeset
426 {"namespace": namespace, "key": key, "profile": profile})))
432
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
Goffi <goffi@goffi.org>
parents: 425
diff changeset
427 return d
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
Goffi <goffi@goffi.org>
parents: 425
diff changeset
428
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
Goffi <goffi@goffi.org>
parents: 425
diff changeset
429 def delGenPrivateBinary(self, namespace, key):
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
Goffi <goffi@goffi.org>
parents: 425
diff changeset
430 """Delete the general private binary value from database
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
Goffi <goffi@goffi.org>
parents: 425
diff changeset
431 @param category: category of the privateeter
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
Goffi <goffi@goffi.org>
parents: 425
diff changeset
432 @param key: key of the private value
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
Goffi <goffi@goffi.org>
parents: 425
diff changeset
433 @return: deferred"""
592
e5a875a3311b Fix pep8 support in src/memory.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 588
diff changeset
434 d = self.dbpool.runQuery("DELETE FROM private_gen_bin WHERE namespace=? AND key=?", (namespace, key))
587
952322b1d490 Remove trailing whitespaces.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 572
diff changeset
435 d.addErrback(lambda ignore: error(_("Can't delete general private binary value (%(key)s) [namespace:%(namespace)s] in database" %
592
e5a875a3311b Fix pep8 support in src/memory.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 588
diff changeset
436 {"namespace": namespace, "key": key})))
432
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
Goffi <goffi@goffi.org>
parents: 425
diff changeset
437 return d
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
Goffi <goffi@goffi.org>
parents: 425
diff changeset
438
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
Goffi <goffi@goffi.org>
parents: 425
diff changeset
439 def delIndPrivateBinary(self, namespace, key, profile):
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
Goffi <goffi@goffi.org>
parents: 425
diff changeset
440 """Delete the individual private binary value from database
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
Goffi <goffi@goffi.org>
parents: 425
diff changeset
441 @param namespace: namespace of the value
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
Goffi <goffi@goffi.org>
parents: 425
diff changeset
442 @param key: key of the private value
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
Goffi <goffi@goffi.org>
parents: 425
diff changeset
443 @param profile: a profile which *must* exist
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
Goffi <goffi@goffi.org>
parents: 425
diff changeset
444 @return: deferred"""
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
Goffi <goffi@goffi.org>
parents: 425
diff changeset
445 d = self.dbpool.runQuery("DELETE FROM private_ind_bin WHERE namespace=? AND key=? AND profile=?)", (namespace, key, self.profiles[profile]))
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
Goffi <goffi@goffi.org>
parents: 425
diff changeset
446 d.addErrback(lambda ignore: error(_("Can't delete individual private binary value (%(key)s) [namespace: %(namespace)s] for [%(profile)s] in database" %
592
e5a875a3311b Fix pep8 support in src/memory.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 588
diff changeset
447 {"namespace": namespace, "key": key, "profile": profile})))
432
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
Goffi <goffi@goffi.org>
parents: 425
diff changeset
448 return d
413
dd4caab17008 core: - individual parameters managed through sqlite
Goffi <goffi@goffi.org>
parents: 412
diff changeset
449 ##Helper methods##
dd4caab17008 core: - individual parameters managed through sqlite
Goffi <goffi@goffi.org>
parents: 412
diff changeset
450
dd4caab17008 core: - individual parameters managed through sqlite
Goffi <goffi@goffi.org>
parents: 412
diff changeset
451 def __getFirstResult(self, result):
dd4caab17008 core: - individual parameters managed through sqlite
Goffi <goffi@goffi.org>
parents: 412
diff changeset
452 """Return the first result of a database query
dd4caab17008 core: - individual parameters managed through sqlite
Goffi <goffi@goffi.org>
parents: 412
diff changeset
453 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
454 return None if not result else result[0][0]
853
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
455
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
456
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
457 class Updater(object):
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
458 stmnt_regex = re.compile(r"(?:[\w ]+(?:\([\w, ]+\))?)+")
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
459 clean_regex = re.compile(r"^ +|(?<= ) +|(?<=,) +| +$")
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
460 CREATE_SQL = "CREATE TABLE %s (%s)"
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
461 INSERT_SQL = "INSERT INTO %s VALUES (%s)"
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
462 DROP_SQL = "DROP TABLE %s"
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
463 ALTER_SQL = "ALTER TABLE %s ADD COLUMN %s"
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
464 RENAME_TABLE_SQL = "ALTER TABLE %s RENAME TO %s"
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
465
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
466 CONSTRAINTS = ('PRIMARY', 'UNIQUE', 'CHECK', 'FOREIGN')
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
467 TMP_TABLE = "tmp_sat_update"
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
468
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
469 def __init__(self, dbpool, sat_version):
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
470 self._sat_version = sat_version
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
471 self.dbpool = dbpool
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
472
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
473 def getLocalVersion(self):
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
474 """ Get local database version
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
475 @return: version (int)
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
476
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
477 """
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
478 return self.dbpool.runQuery("PRAGMA user_version").addCallback(lambda ret: int(ret[0][0]))
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
479
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
480 def _setLocalVersion(self, version):
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
481 """ Set local database version
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
482 @param version: version (int)
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
483 @return: deferred
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
484
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
485 """
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
486 return self.dbpool.runOperation("PRAGMA user_version=%d" % version)
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
487
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
488 def getLocalSchema(self):
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
489 """ return raw local schema
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
490 @return: list of strings with CREATE sql statements for local database
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
491
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
492 """
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
493 d = self.dbpool.runQuery("select sql from sqlite_master where type = 'table'")
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
494 d.addCallback(lambda result: [row[0] for row in result])
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
495 return d
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
496
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
497 @defer.inlineCallbacks
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
498 def checkUpdates(self):
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
499 """ Check is database schema update is needed, according to DATABASE_SCHEMAS
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
500 @return: deferred which fire a list of SQL update statements, or None if no update is needed
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
501
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
502 """
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
503 local_version = yield self.getLocalVersion()
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
504 raw_local_sch = yield self.getLocalSchema()
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
505 local_sch = self.rawStatements2data(raw_local_sch)
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
506 current_sch = DATABASE_SCHEMAS['current']['CREATE']
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
507 local_hash = self.statementHash(local_sch)
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
508 current_hash = self.statementHash(current_sch)
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
509
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
510 if local_hash == current_hash:
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
511 if local_version != CURRENT_DB_VERSION:
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
512 warning(_("Your local schema is up-to-date, but database versions mismatch, fixing it..."))
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
513 yield self._setLocalVersion(CURRENT_DB_VERSION)
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
514 else:
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
515 # an update is needed
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
516
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
517 if local_version == CURRENT_DB_VERSION:
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
518 # Database mismatch and we have the latest version
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
519 if self._sat_version.endswith('D'):
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
520 # we are in a development version
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
521 update_data = self.generateUpdateData(local_sch, current_sch, False)
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
522 warning(_("There is a schema mismatch, but as we are on a dev version, database will be updated"))
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
523 update_raw = self.update2raw(update_data, True)
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
524 defer.returnValue(update_raw)
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
525 else:
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
526 error(_(u"schema version is up-to-date, but local schema differ from expected current schema"))
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
527 update_data = self.generateUpdateData(local_sch, current_sch, True)
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
528 warning(_(u"Here are the commands that should fix the situation, use at your own risk (do a backup before modifying database), you can go to SàT's MUC room at sat@chat.jabberfr.org for help\n### SQL###\n%s\n### END SQL ###\n") % u'\n'.join(("%s;" % statement for statement in self.update2raw(update_data))))
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
529 raise exceptions.DatabaseError("Database mismatch")
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
530 else:
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
531 # Database is not up-to-date, we'll do the update
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
532 info(_("Database schema has changed, local database will be updated"))
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
533 update_raw = []
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
534 for version in xrange(local_version+1, CURRENT_DB_VERSION+1):
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
535 try:
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
536 update_data = DATABASE_SCHEMAS[version]
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
537 except KeyError:
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
538 raise exceptions.InternalError("Missing update definition (version %d)" % version)
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
539 update_raw.extend(self.update2raw(update_data))
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
540 update_raw.append("PRAGMA user_version=%d" % CURRENT_DB_VERSION)
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
541 defer.returnValue(update_raw)
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
542
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
543 @staticmethod
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
544 def createData2Raw(data):
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
545 """ Generate SQL statements from statements data
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
546 @param data: dictionary with table as key, and statements data in tuples as value
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
547 @return: list of strings with raw statements
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
548
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
549 """
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
550 ret = []
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
551 for table in data:
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
552 defs, constraints = data[table]
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
553 assert isinstance(defs, tuple)
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
554 assert isinstance(constraints, tuple)
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
555 ret.append(Updater.CREATE_SQL % (table, ', '.join(defs + constraints)))
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
556 return ret
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
557
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
558 @staticmethod
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
559 def insertData2Raw(data):
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
560 """ Generate SQL statements from statements data
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
561 @param data: dictionary with table as key, and statements data in tuples as value
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
562 @return: list of strings with raw statements
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
563
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
564 """
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
565 ret = []
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
566 for table in data:
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
567 values_tuple = data[table]
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
568 assert isinstance(values_tuple, tuple)
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
569 for values in values_tuple:
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
570 assert isinstance(values, tuple)
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
571 ret.append(Updater.INSERT_SQL % (table, ', '.join(values)))
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
572 return ret
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
573
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
574 def statementHash(self, data):
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
575 """ Generate hash of template data
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
576 useful to compare schemas
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
577
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
578 @param data: dictionary of "CREATE" statement, with tables names as key,
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
579 and tuples of (col_defs, constraints) as values
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
580 @return: hash as string
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
581 """
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
582 hash_ = hashlib.sha1()
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
583 tables = data.keys()
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
584 tables.sort()
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
585
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
586 def stmnts2str(stmts):
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
587 return ','.join([self.clean_regex.sub('',stmt) for stmt in sorted(stmts)])
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
588
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
589 for table in tables:
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
590 col_defs, col_constr = data[table]
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
591 hash_.update("%s:%s:%s" % (table, stmnts2str(col_defs), stmnts2str(col_constr)))
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
592 return hash_.digest()
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
593
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
594 def rawStatements2data(self, raw_statements):
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
595 """ separate "CREATE" statements into dictionary/tuples data
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
596 @param raw_statements: list of CREATE statements as strings
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
597 @return: dictionary with table names as key, and a (col_defs, constraints) tuple
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
598
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
599 """
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
600 schema_dict = {}
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
601 for create_statement in raw_statements:
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
602 if not create_statement.startswith("CREATE TABLE "):
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
603 warning("Unexpected statement, ignoring it")
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
604 continue
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
605 _create_statement = create_statement[13:]
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
606 table, raw_col_stats = _create_statement.split(' ',1)
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
607 if raw_col_stats[0] != '(' or raw_col_stats[-1] != ')':
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
608 warning("Unexpected statement structure, ignoring it")
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
609 continue
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
610 col_stats = [stmt.strip() for stmt in self.stmnt_regex.findall(raw_col_stats[1:-1])]
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
611 col_defs = []
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
612 constraints = []
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
613 for col_stat in col_stats:
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
614 name = col_stat.split(' ',1)[0]
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
615 if name in self.CONSTRAINTS:
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
616 constraints.append(col_stat)
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
617 else:
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
618 col_defs.append(col_stat)
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
619 schema_dict[table] = (tuple(col_defs), tuple(constraints))
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
620 return schema_dict
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
621
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
622 def generateUpdateData(self, old_data, new_data, modify=False):
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
623 """ Generate data for automatic update between two schema data
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
624 @param old_data: data of the former schema (which must be updated)
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
625 @param new_data: data of the current schema
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
626 @param modify: if True, always use "cols modify" table, else try to ALTER tables
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
627 @return: update data, a dictionary with:
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
628 - 'create': dictionary of tables to create
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
629 - 'delete': tuple of tables to delete
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
630 - 'cols create': dictionary of columns to create (table as key, tuple of columns to create as value)
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
631 - 'cols delete': dictionary of columns to delete (table as key, tuple of columns to delete as value)
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
632 - 'cols modify': dictionary of columns to modify (table as key, tuple of old columns to transfert as value). With this table, a new table will be created, and content from the old table will be transfered to it, only cols specified in the tuple will be transfered.
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
633
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
634 """
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
635
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
636 create_tables_data = {}
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
637 create_cols_data = {}
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
638 modify_cols_data = {}
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
639 delete_cols_data = {}
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
640 old_tables = set(old_data.keys())
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
641 new_tables = set(new_data.keys())
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
642
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
643 def getChanges(set_olds, set_news):
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
644 to_create = set_news.difference(set_olds)
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
645 to_delete = set_olds.difference(set_news)
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
646 to_check = set_news.intersection(set_olds)
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parents: 839
diff changeset
647 return tuple(to_create), tuple(to_delete), tuple(to_check)
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parents: 839
diff changeset
648
c2f6ada7858f core (sqlite): automatic database update:
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parents: 839
diff changeset
649 tables_to_create, tables_to_delete, tables_to_check = getChanges(old_tables, new_tables)
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parents: 839
diff changeset
650
c2f6ada7858f core (sqlite): automatic database update:
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parents: 839
diff changeset
651 for table in tables_to_create:
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diff changeset
652 create_tables_data[table] = new_data[table]
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parents: 839
diff changeset
653
c2f6ada7858f core (sqlite): automatic database update:
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parents: 839
diff changeset
654 for table in tables_to_check:
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parents: 839
diff changeset
655 old_col_defs, old_constraints = old_data[table]
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parents: 839
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656 new_col_defs, new_constraints = new_data[table]
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parents: 839
diff changeset
657 for obj in old_col_defs, old_constraints, new_col_defs, new_constraints:
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parents: 839
diff changeset
658 if not isinstance(obj, tuple):
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659 raise InternalError("Columns definitions must be tuples")
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660 defs_create, defs_delete, ignore = getChanges(set(old_col_defs), set(new_col_defs))
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parents: 839
diff changeset
661 constraints_create, constraints_delete, ignore = getChanges(set(old_constraints), set(new_constraints))
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parents: 839
diff changeset
662 created_col_names = set([name.split(' ',1)[0] for name in defs_create])
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diff changeset
663 deleted_col_names = set([name.split(' ',1)[0] for name in defs_delete])
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Goffi <goffi@goffi.org>
parents: 839
diff changeset
664 if (created_col_names.intersection(deleted_col_names or constraints_create or constraints_delete) or
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parents: 839
diff changeset
665 (modify and (defs_create or constraints_create or defs_delete or constraints_delete))):
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diff changeset
666 # we have modified columns, we need to transfer table
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diff changeset
667 # we determinate which columns are in both schema so we can transfer them
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diff changeset
668 old_names = set([name.split(' ',1)[0] for name in old_col_defs])
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parents: 839
diff changeset
669 new_names = set([name.split(' ',1)[0] for name in new_col_defs])
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diff changeset
670 modify_cols_data[table] = tuple(old_names.intersection(new_names));
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671 else:
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672 if defs_create:
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diff changeset
673 create_cols_data[table] = (defs_create)
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diff changeset
674 if defs_delete or constraints_delete:
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diff changeset
675 delete_cols_data[table] = (defs_delete)
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676
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677 return {'create': create_tables_data,
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678 'delete': tables_to_delete,
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679 'cols create': create_cols_data,
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diff changeset
680 'cols delete': delete_cols_data,
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diff changeset
681 'cols modify': modify_cols_data
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diff changeset
682 }
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diff changeset
683
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diff changeset
684 def update2raw(self, update, dev_version=False):
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diff changeset
685 """ Transform update data to raw SQLite statements
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diff changeset
686 @param upadte: update data as returned by generateUpdateData
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diff changeset
687 @param dev_version: if True, update will be done in dev mode: no deletion will be done, instead a message will be shown. This prevent accidental lost of data while working on the code/database.
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parents: 839
diff changeset
688 @return: list of string with SQL statements needed to update the base
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diff changeset
689
c2f6ada7858f core (sqlite): automatic database update:
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diff changeset
690 """
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diff changeset
691 ret = self.createData2Raw(update.get('create', {}))
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diff changeset
692 drop = []
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diff changeset
693 for table in update.get('delete', tuple()):
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diff changeset
694 drop.append(self.DROP_SQL % table)
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diff changeset
695 if dev_version:
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parents: 839
diff changeset
696 if drop:
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diff changeset
697 info("Dev version, SQL NOT EXECUTED:\n--\n%s\n--\n" % "\n".join(drop))
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diff changeset
698 else:
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diff changeset
699 ret.extend(drop)
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diff changeset
700
c2f6ada7858f core (sqlite): automatic database update:
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parents: 839
diff changeset
701 cols_create = update.get('cols create', {})
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parents: 839
diff changeset
702 for table in cols_create:
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parents: 839
diff changeset
703 for col_def in cols_create[table]:
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parents: 839
diff changeset
704 ret.append(self.ALTER_SQL % (table, col_def))
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parents: 839
diff changeset
705
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
706 cols_delete = update.get('cols delete', {})
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Goffi <goffi@goffi.org>
parents: 839
diff changeset
707 for table in cols_delete:
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parents: 839
diff changeset
708 info("Following columns in table [%s] are not needed anymore, but are kept for dev version: %s" % (table, ", ".join(cols_delete[table])))
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parents: 839
diff changeset
709
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parents: 839
diff changeset
710 cols_modify = update.get('cols modify', {})
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parents: 839
diff changeset
711 for table in cols_modify:
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parents: 839
diff changeset
712 ret.append(self.RENAME_TABLE_SQL % (table, self.TMP_TABLE))
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parents: 839
diff changeset
713 main, extra = DATABASE_SCHEMAS['current']['CREATE'][table]
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parents: 839
diff changeset
714 ret.append(self.CREATE_SQL % (table, ', '.join(main + extra)))
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parents: 839
diff changeset
715 common_cols = ', '.join(cols_modify[table])
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parents: 839
diff changeset
716 ret.append("INSERT INTO %s (%s) SELECT %s FROM %s" % (table, common_cols, common_cols, self.TMP_TABLE))
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parents: 839
diff changeset
717 ret.append(self.DROP_SQL % self.TMP_TABLE)
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parents: 839
diff changeset
718
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
719 insert = update.get('insert', {})
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Goffi <goffi@goffi.org>
parents: 839
diff changeset
720 ret.extend(self.insertData2Raw(insert))
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parents: 839
diff changeset
721
c2f6ada7858f core (sqlite): automatic database update:
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parents: 839
diff changeset
722 return ret