annotate src/memory/sqlite.py @ 1202:101c06fbda31

misc: fixed typos in README
author Matteo Cypriani <mcy@lm7.fr>
date Mon, 15 Sep 2014 14:18:27 +0200
parents 1baa116501fa
children 5e5661ab5c81
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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.constants import Const as C
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22 from sat.core import exceptions
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23 from sat.core.log import getLogger
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24 log = getLogger(__name__)
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25 from sat.memory.crypto import BlockCipher, PasswordHasher
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26 from sat.tools.config import fixConfigOption
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27 from twisted.enterprise import adbapi
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28 from twisted.internet import defer
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29 from collections import OrderedDict
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30 from time import time
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31 import re
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32 import os.path
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33 import cPickle as pickle
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34 import hashlib
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35
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36 CURRENT_DB_VERSION = 2
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37
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38 # XXX: DATABASE schemas are used in the following way:
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39 # - 'current' key is for the actual database schema, for a new base
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40 # - 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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41 # 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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42 # a 'current' data dict can contains the keys:
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43 # - '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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44 # - '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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45 # an update data dict (the ones with a number) can contains the keys 'create', 'delete', 'cols create', 'cols delete', 'cols modify', 'insert' or 'specific'. See Updater.generateUpdateData for more infos. This method can be used to autogenerate update_data, to ease the work of the developers.
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47 DATABASE_SCHEMAS = {
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48 "current": {'CREATE': OrderedDict((
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49 ('profiles', (("id INTEGER PRIMARY KEY ASC", "name TEXT"),
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50 ("UNIQUE (name)",))),
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51 ('message_types', (("type TEXT PRIMARY KEY",),
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52 tuple())),
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53 ('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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54 ("FOREIGN KEY(profile_id) REFERENCES profiles(id) ON DELETE CASCADE", "FOREIGN KEY(type) REFERENCES message_types(type)"))),
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55 ('param_gen', (("category TEXT", "name TEXT", "value TEXT"),
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56 ("PRIMARY KEY (category,name)",))),
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57 ('param_ind', (("category TEXT", "name TEXT", "profile_id INTEGER", "value TEXT"),
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58 ("PRIMARY KEY (category,name,profile_id)", "FOREIGN KEY(profile_id) REFERENCES profiles(id) ON DELETE CASCADE"))),
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59 ('private_gen', (("namespace TEXT", "key TEXT", "value TEXT"),
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60 ("PRIMARY KEY (namespace, key)",))),
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61 ('private_ind', (("namespace TEXT", "key TEXT", "profile_id INTEGER", "value TEXT"),
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62 ("PRIMARY KEY (namespace, key, profile_id)", "FOREIGN KEY(profile_id) REFERENCES profiles(id) ON DELETE CASCADE"))),
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63 ('private_gen_bin', (("namespace TEXT", "key TEXT", "value BLOB"),
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64 ("PRIMARY KEY (namespace, key)",))),
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65 ('private_ind_bin', (("namespace TEXT", "key TEXT", "profile_id INTEGER", "value BLOB"),
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66 ("PRIMARY KEY (namespace, key, profile_id)", "FOREIGN KEY(profile_id) REFERENCES profiles(id) ON DELETE CASCADE")))
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67 )),
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68 'INSERT': OrderedDict((
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69 ('message_types', (("'chat'",), ("'error'",), ("'groupchat'",), ("'headline'",), ("'normal'",))),
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70 )),
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71 },
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72 2: {'specific': 'update2raw_v2'
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73 },
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74 1: {'cols create': {'history': ('extra BLOB',)}
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75 },
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76 }
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77
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78
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79 class SqliteStorage(object):
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80 """This class manage storage with Sqlite database"""
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81
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82 def __init__(self, db_filename, sat_version):
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83 """Connect to the given database
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84 @param db_filename: full path to the Sqlite database"""
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85 self.initialized = defer.Deferred() # triggered when memory is fully initialised and ready
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86 self.profiles = {} # we keep cache for the profiles (key: profile name, value: profile id)
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87
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88 log.info(_("Connecting database"))
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89 new_base = not os.path.exists(db_filename) # do we have to create the database ?
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90 if new_base: # the dir may not exist if it's not the XDG recommended one
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91 dir_ = os.path.dirname(db_filename)
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92 if not os.path.exists(dir_):
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93 os.makedirs(dir_, 0700)
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94 self.dbpool = adbapi.ConnectionPool("sqlite3", db_filename, check_same_thread=False)
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95
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96 # init_defer is the initialisation deferred, initialisation is ok when all its callbacks have been done
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97 # XXX: foreign_keys activation doesn't seem to work, probably because of the multi-threading
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98 # All the requests that need to use this feature should be run with runInteraction instead,
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99 # so you can set the PRAGMA as it is done in self.deleteProfile
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100 init_defer = self.dbpool.runOperation("PRAGMA foreign_keys = ON").addErrback(lambda x: log.error(_("Can't activate foreign keys")))
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101
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102 def getNewBaseSql():
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103 log.info(_("The database is new, creating the tables"))
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104 database_creation = ["PRAGMA user_version=%d" % CURRENT_DB_VERSION]
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105 database_creation.extend(Updater.createData2Raw(DATABASE_SCHEMAS['current']['CREATE']))
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106 database_creation.extend(Updater.insertData2Raw(DATABASE_SCHEMAS['current']['INSERT']))
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107 return database_creation
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108
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109 def getUpdateSql():
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110 updater = Updater(self.dbpool, sat_version)
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111 return updater.checkUpdates()
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112
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113 def commitStatements(statements):
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114
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115 if statements is None:
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116 return defer.succeed(None)
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117 log.debug("===== COMMITING STATEMENTS =====\n%s\n============\n\n" % '\n'.join(statements))
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118 d = self.dbpool.runInteraction(self._updateDb, tuple(statements))
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119 return d
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120
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121 init_defer.addCallback(lambda ignore: getNewBaseSql() if new_base else getUpdateSql())
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122 init_defer.addCallback(commitStatements)
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123
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124 def fillProfileCache(ignore):
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125 d = self.dbpool.runQuery("SELECT name,id FROM profiles").addCallback(self._profilesCache)
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126 d.chainDeferred(self.initialized)
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127
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128 init_defer.addCallback(fillProfileCache)
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129
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130 def _updateDb(self, interaction, statements):
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131 for statement in statements:
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132 interaction.execute(statement)
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133
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134 #Profiles
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135 def _profilesCache(self, profiles_result):
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136 """Fill the profiles cache
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137 @param profiles_result: result of the sql profiles query"""
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138 for profile in profiles_result:
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139 name, id_ = profile
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140 self.profiles[name] = id_
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141
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142 def getProfilesList(self):
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143 """"Return list of all registered profiles"""
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144 return self.profiles.keys()
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145
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146 def hasProfile(self, profile_name):
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147 """return True if profile_name exists
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148 @param profile_name: name of the profile to check"""
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149 return profile_name in self.profiles
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150
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151 def createProfile(self, name):
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152 """Create a new profile
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153 @param name: name of the profile
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154 @return: deferred triggered once profile is actually created"""
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155
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156 def getProfileId(ignore):
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157 return self.dbpool.runQuery("SELECT (id) FROM profiles WHERE name = ?", (name, ))
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158
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159 def profile_created(profile_id):
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160 _id = profile_id[0][0]
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161 self.profiles[name] = _id # we synchronise the cache
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162
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163 d = self.dbpool.runQuery("INSERT INTO profiles(name) VALUES (?)", (name, ))
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164 d.addCallback(getProfileId)
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165 d.addCallback(profile_created)
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166 return d
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167
420
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168 def deleteProfile(self, name):
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169 """Delete profile
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170 @param name: name of the profile
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171 @return: deferred triggered once profile is actually deleted"""
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172 def deletionError(failure):
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173 log.error(_("Can't delete profile [%s]") % name)
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174 return failure
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175
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176 def delete(txn):
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177 del self.profiles[name]
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178 txn.execute("PRAGMA foreign_keys = ON")
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179 txn.execute("DELETE FROM profiles WHERE name = ?", (name,))
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180 return None
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181
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182 d = self.dbpool.runInteraction(delete)
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183 d.addCallback(lambda ignore: log.info(_("Profile [%s] deleted") % name))
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184 d.addErrback(deletionError)
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185 return d
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186
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187 #Params
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188 def loadGenParams(self, params_gen):
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189 """Load general parameters
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190 @param params_gen: dictionary to fill
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191 @return: deferred"""
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192
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193 def fillParams(result):
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194 for param in result:
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195 category, name, value = param
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196 params_gen[(category, name)] = value
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197 log.debug(_("loading general parameters from database"))
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198 return self.dbpool.runQuery("SELECT category,name,value FROM param_gen").addCallback(fillParams)
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199
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200 def loadIndParams(self, params_ind, profile):
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201 """Load individual parameters
412
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202 @param params_ind: dictionary to fill
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203 @param profile: a profile which *must* exist
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204 @return: deferred"""
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205
412
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206 def fillParams(result):
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207 for param in result:
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208 category, name, value = param
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209 params_ind[(category, name)] = value
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210 log.debug(_("loading individual parameters from database"))
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211 d = self.dbpool.runQuery("SELECT category,name,value FROM param_ind WHERE profile_id=?", (self.profiles[profile], ))
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212 d.addCallback(fillParams)
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213 return d
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214
413
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215 def getIndParam(self, category, name, profile):
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216 """Ask database for the value of one specific individual parameter
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217 @param category: category of the parameter
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218 @param name: name of the parameter
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219 @param profile: %(doc_profile)s
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220 @return: deferred"""
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221 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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222 d.addCallback(self.__getFirstResult)
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223 return d
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224
412
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225 def setGenParam(self, category, name, value):
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226 """Save the general parameters in database
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227 @param category: category of the parameter
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228 @param name: name of the parameter
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229 @param value: value to set
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230 @return: deferred"""
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231 d = self.dbpool.runQuery("REPLACE INTO param_gen(category,name,value) VALUES (?,?,?)", (category, name, value))
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232 d.addErrback(lambda ignore: log.error(_("Can't set general parameter (%(category)s/%(name)s) in database" % {"category": category, "name": name})))
412
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233 return d
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234
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235 def setIndParam(self, category, name, value, profile):
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236 """Save the individual parameters in database
412
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237 @param category: category of the parameter
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238 @param name: name of the parameter
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239 @param value: value to set
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240 @param profile: a profile which *must* exist
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241 @return: deferred"""
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242 d = self.dbpool.runQuery("REPLACE INTO param_ind(category,name,profile_id,value) VALUES (?,?,?,?)", (category, name, self.profiles[profile], value))
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243 d.addErrback(lambda ignore: log.error(_("Can't set individual parameter (%(category)s/%(name)s) for [%(profile)s] in database" % {"category": category, "name": name, "profile": profile})))
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244 return d
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245
425
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246 #History
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247 def addToHistory(self, from_jid, to_jid, message, _type='chat', extra=None, timestamp=None, profile=None):
425
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248 """Store a new message in history
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249 @param from_jid: full source JID
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250 @param to_jid: full dest JID
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251 @param message: message
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252 @param _type: message type (see RFC 6121 §5.2.2)
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253 @param extra: dictionary (keys and values are unicode) of extra message data
425
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254 @param timestamp: timestamp in seconds since epoch, or None to use current time
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255 """
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256 assert(profile)
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257 if extra is None:
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258 extra = {}
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259 extra_ = pickle.dumps({k: v.encode('utf-8') for k, v in extra.items()}, 0).decode('utf-8')
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260 d = self.dbpool.runQuery("INSERT INTO history(source, source_res, dest, dest_res, timestamp, message, type, extra, profile_id) VALUES (?,?,?,?,?,?,?,?,?)",
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261 (from_jid.userhost(), from_jid.resource, to_jid.userhost(), to_jid.resource, timestamp or time(),
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262 message, _type, extra_, self.profiles[profile]))
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263 d.addErrback(lambda ignore: log.error(_("Can't save following message in history: from [%(from_jid)s] to [%(to_jid)s] ==> [%(message)s]" %
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diff changeset
264 {"from_jid": from_jid.full(), "to_jid": to_jid.full(), "message": message})))
425
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265 return d
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266
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267 def getHistory(self, from_jid, to_jid, limit=0, between=True, profile=None):
425
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268 """Store a new message in history
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269 @param from_jid: source JID (full, or bare for catchall
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270 @param to_jid: dest JID (full, or bare for catchall
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271 @param size: maximum number of messages to get, or 0 for unlimited
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272 """
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273 assert(profile)
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274
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275 def sqliteToList(query_result):
448
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276 query_result.reverse()
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277 result = []
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278 for row in query_result:
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diff changeset
279 timestamp, source, source_res, dest, dest_res, message, type_, extra_raw = row
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280 try:
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281 extra = pickle.loads(str(extra_raw or ""))
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282 except EOFError:
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283 extra = {}
448
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284 result.append((timestamp, "%s/%s" % (source, source_res) if source_res else source,
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285 "%s/%s" % (dest, dest_res) if dest_res else dest,
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286 message, type_, extra))
448
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287 return result
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288
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289 query_parts = ["SELECT timestamp, source, source_res, dest, dest_res, message, type, extra FROM history WHERE profile_id=? AND"]
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290 values = [self.profiles[profile]]
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291
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292 def test_jid(type_, _jid):
512
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293 values.append(_jid.userhost())
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294 if _jid.resource:
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295 values.append(_jid.resource)
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296 return '(%s=? AND %s_res=?)' % (type_, type_)
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297 return '%s=?' % (type_, )
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298
425
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299 if between:
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300 query_parts.append("((%s AND %s) OR (%s AND %s))" % (test_jid('source', from_jid),
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301 test_jid('dest', to_jid),
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302 test_jid('source', to_jid),
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303 test_jid('dest', from_jid)))
425
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304 else:
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diff changeset
305 query_parts.append("%s AND %s" % (test_jid('source', from_jid),
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diff changeset
306 test_jid('dest', to_jid)))
448
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diff changeset
307
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diff changeset
308 query_parts.append("ORDER BY timestamp DESC")
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309
425
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diff changeset
310 if limit:
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diff changeset
311 query_parts.append("LIMIT ?")
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312 values.append(limit)
587
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313
425
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diff changeset
314 d = self.dbpool.runQuery(" ".join(query_parts), values)
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diff changeset
315 return d.addCallback(sqliteToList)
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316
432
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diff changeset
317 #Private values
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318 def loadGenPrivates(self, private_gen, namespace):
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319 """Load general private values
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320 @param private_gen: dictionary to fill
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321 @param namespace: namespace of the values
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322 @return: deferred"""
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diff changeset
323
432
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324 def fillPrivates(result):
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325 for private in result:
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diff changeset
326 key, value = private
432
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
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diff changeset
327 private_gen[key] = value
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diff changeset
328 log.debug(_("loading general private values [namespace: %s] from database") % (namespace, ))
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diff changeset
329 d = self.dbpool.runQuery("SELECT key,value FROM private_gen WHERE namespace=?", (namespace, )).addCallback(fillPrivates)
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330 return d.addErrback(lambda x: log.debug(_("No data present in database for namespace %s") % namespace))
425
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331
432
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diff changeset
332 def loadIndPrivates(self, private_ind, namespace, profile):
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333 """Load individual private values
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334 @param privates_ind: dictionary to fill
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335 @param namespace: namespace of the values
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336 @param profile: a profile which *must* exist
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337 @return: deferred"""
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diff changeset
338
432
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diff changeset
339 def fillPrivates(result):
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diff changeset
340 for private in result:
592
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diff changeset
341 key, value = private
432
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
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diff changeset
342 private_ind[key] = value
993
301b342c697a core: use of the new core.log module:
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343 log.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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diff changeset
344 d = self.dbpool.runQuery("SELECT key,value FROM private_ind WHERE namespace=? AND profile_id=?", (namespace, self.profiles[profile]))
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diff changeset
345 d.addCallback(fillPrivates)
993
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346 return d.addErrback(lambda x: log.debug(_("No data present in database for namespace %s") % namespace))
432
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parents: 425
diff changeset
347
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
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diff changeset
348 def setGenPrivate(self, namespace, key, value):
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349 """Save the general private value in database
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diff changeset
350 @param category: category of the privateeter
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diff changeset
351 @param key: key of the private value
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diff changeset
352 @param value: value to set
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diff changeset
353 @return: deferred"""
592
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diff changeset
354 d = self.dbpool.runQuery("REPLACE INTO private_gen(namespace,key,value) VALUES (?,?,?)", (namespace, key, value))
993
301b342c697a core: use of the new core.log module:
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diff changeset
355 d.addErrback(lambda ignore: log.error(_("Can't set general private value (%(key)s) [namespace:%(namespace)s] in database" %
592
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diff changeset
356 {"namespace": namespace, "key": key})))
432
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diff changeset
357 return d
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diff changeset
358
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
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diff changeset
359 def setIndPrivate(self, namespace, key, value, profile):
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diff changeset
360 """Save the individual private value in database
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diff changeset
361 @param namespace: namespace of the value
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diff changeset
362 @param key: key of the private value
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parents: 425
diff changeset
363 @param value: value to set
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parents: 425
diff changeset
364 @param profile: a profile which *must* exist
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diff changeset
365 @return: deferred"""
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parents: 425
diff changeset
366 d = self.dbpool.runQuery("REPLACE INTO private_ind(namespace,key,profile_id,value) VALUES (?,?,?,?)", (namespace, key, self.profiles[profile], value))
993
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diff changeset
367 d.addErrback(lambda ignore: log.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
368 {"namespace": namespace, "key": key, "profile": profile})))
432
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parents: 425
diff changeset
369 return d
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parents: 425
diff changeset
370
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diff changeset
371 def delGenPrivate(self, namespace, key):
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diff changeset
372 """Delete the general private value from database
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diff changeset
373 @param category: category of the privateeter
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diff changeset
374 @param key: key of the private value
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diff changeset
375 @return: deferred"""
592
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diff changeset
376 d = self.dbpool.runQuery("DELETE FROM private_gen WHERE namespace=? AND key=?", (namespace, key))
993
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diff changeset
377 d.addErrback(lambda ignore: log.error(_("Can't delete general private value (%(key)s) [namespace:%(namespace)s] in database" %
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diff changeset
378 {"namespace": namespace, "key": key})))
432
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diff changeset
379 return d
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diff changeset
380
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diff changeset
381 def delIndPrivate(self, namespace, key, profile):
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diff changeset
382 """Delete the individual private value from database
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parents: 425
diff changeset
383 @param namespace: namespace of the value
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diff changeset
384 @param key: key of the private value
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diff changeset
385 @param profile: a profile which *must* exist
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diff changeset
386 @return: deferred"""
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parents: 425
diff changeset
387 d = self.dbpool.runQuery("DELETE FROM private_ind WHERE namespace=? AND key=? AND profile=?)", (namespace, key, self.profiles[profile]))
993
301b342c697a core: use of the new core.log module:
Goffi <goffi@goffi.org>
parents: 936
diff changeset
388 d.addErrback(lambda ignore: log.error(_("Can't delete individual 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
389 {"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
390 return d
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
Goffi <goffi@goffi.org>
parents: 425
diff changeset
391
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
Goffi <goffi@goffi.org>
parents: 425
diff changeset
392 def loadGenPrivatesBinary(self, private_gen, namespace):
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
Goffi <goffi@goffi.org>
parents: 425
diff changeset
393 """Load general 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
394 @param private_gen: 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
395 @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
396 @return: deferred"""
592
e5a875a3311b Fix pep8 support in src/memory.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 588
diff changeset
397
432
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
Goffi <goffi@goffi.org>
parents: 425
diff changeset
398 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
399 for private in result:
592
e5a875a3311b Fix pep8 support in src/memory.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 588
diff changeset
400 key, value = private
436
5e9d28ca5109 core: sqlite persistentBinaryDict storage fix
Goffi <goffi@goffi.org>
parents: 432
diff changeset
401 private_gen[key] = pickle.loads(str(value))
993
301b342c697a core: use of the new core.log module:
Goffi <goffi@goffi.org>
parents: 936
diff changeset
402 log.debug(_("loading general private binary values [namespace: %s] from database") % (namespace, ))
592
e5a875a3311b Fix pep8 support in src/memory.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 588
diff changeset
403 d = self.dbpool.runQuery("SELECT key,value FROM private_gen_bin WHERE namespace=?", (namespace, )).addCallback(fillPrivates)
993
301b342c697a core: use of the new core.log module:
Goffi <goffi@goffi.org>
parents: 936
diff changeset
404 return d.addErrback(lambda x: log.debug(_("No binary data present in database for namespace %s") % namespace))
432
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 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
407 """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
408 @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
409 @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
410 @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
411 @return: deferred"""
592
e5a875a3311b Fix pep8 support in src/memory.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 588
diff changeset
412
432
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
Goffi <goffi@goffi.org>
parents: 425
diff changeset
413 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
414 for private in result:
592
e5a875a3311b Fix pep8 support in src/memory.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 588
diff changeset
415 key, value = private
436
5e9d28ca5109 core: sqlite persistentBinaryDict storage fix
Goffi <goffi@goffi.org>
parents: 432
diff changeset
416 private_ind[key] = pickle.loads(str(value))
993
301b342c697a core: use of the new core.log module:
Goffi <goffi@goffi.org>
parents: 936
diff changeset
417 log.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
418 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
419 d.addCallback(fillPrivates)
993
301b342c697a core: use of the new core.log module:
Goffi <goffi@goffi.org>
parents: 936
diff changeset
420 return d.addErrback(lambda x: log.debug(_("No binary data present in database for namespace %s") % namespace))
432
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
Goffi <goffi@goffi.org>
parents: 425
diff changeset
421
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
Goffi <goffi@goffi.org>
parents: 425
diff changeset
422 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
423 """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
424 @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
425 @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
426 @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
427 @return: deferred"""
592
e5a875a3311b Fix pep8 support in src/memory.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 588
diff changeset
428 d = self.dbpool.runQuery("REPLACE INTO private_gen_bin(namespace,key,value) VALUES (?,?,?)", (namespace, key, pickle.dumps(value, 0)))
993
301b342c697a core: use of the new core.log module:
Goffi <goffi@goffi.org>
parents: 936
diff changeset
429 d.addErrback(lambda ignore: log.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
430 {"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
431 return d
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
Goffi <goffi@goffi.org>
parents: 425
diff changeset
432
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
Goffi <goffi@goffi.org>
parents: 425
diff changeset
433 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
434 """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
435 @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
436 @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
437 @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
438 @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
439 @return: deferred"""
592
e5a875a3311b Fix pep8 support in src/memory.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 588
diff changeset
440 d = self.dbpool.runQuery("REPLACE INTO private_ind_bin(namespace,key,profile_id,value) VALUES (?,?,?,?)", (namespace, key, self.profiles[profile], pickle.dumps(value, 0)))
993
301b342c697a core: use of the new core.log module:
Goffi <goffi@goffi.org>
parents: 936
diff changeset
441 d.addErrback(lambda ignore: log.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
442 {"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
443 return d
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
Goffi <goffi@goffi.org>
parents: 425
diff changeset
444
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
Goffi <goffi@goffi.org>
parents: 425
diff changeset
445 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
446 """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
447 @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
448 @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
449 @return: deferred"""
592
e5a875a3311b Fix pep8 support in src/memory.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 588
diff changeset
450 d = self.dbpool.runQuery("DELETE FROM private_gen_bin WHERE namespace=? AND key=?", (namespace, key))
993
301b342c697a core: use of the new core.log module:
Goffi <goffi@goffi.org>
parents: 936
diff changeset
451 d.addErrback(lambda ignore: log.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
452 {"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
453 return d
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
Goffi <goffi@goffi.org>
parents: 425
diff changeset
454
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
Goffi <goffi@goffi.org>
parents: 425
diff changeset
455 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
456 """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
457 @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
458 @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
459 @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
460 @return: deferred"""
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory)
Goffi <goffi@goffi.org>
parents: 425
diff changeset
461 d = self.dbpool.runQuery("DELETE FROM private_ind_bin WHERE namespace=? AND key=? AND profile=?)", (namespace, key, self.profiles[profile]))
993
301b342c697a core: use of the new core.log module:
Goffi <goffi@goffi.org>
parents: 936
diff changeset
462 d.addErrback(lambda ignore: log.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
463 {"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
464 return d
413
dd4caab17008 core: - individual parameters managed through sqlite
Goffi <goffi@goffi.org>
parents: 412
diff changeset
465 ##Helper methods##
dd4caab17008 core: - individual parameters managed through sqlite
Goffi <goffi@goffi.org>
parents: 412
diff changeset
466
dd4caab17008 core: - individual parameters managed through sqlite
Goffi <goffi@goffi.org>
parents: 412
diff changeset
467 def __getFirstResult(self, result):
dd4caab17008 core: - individual parameters managed through sqlite
Goffi <goffi@goffi.org>
parents: 412
diff changeset
468 """Return the first result of a database query
dd4caab17008 core: - individual parameters managed through sqlite
Goffi <goffi@goffi.org>
parents: 412
diff changeset
469 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
470 return None if not result else result[0][0]
853
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
471
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 class Updater(object):
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
474 stmnt_regex = re.compile(r"(?:[\w ]+(?:\([\w, ]+\))?)+")
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
475 clean_regex = re.compile(r"^ +|(?<= ) +|(?<=,) +| +$")
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
476 CREATE_SQL = "CREATE TABLE %s (%s)"
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
477 INSERT_SQL = "INSERT INTO %s VALUES (%s)"
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
478 DROP_SQL = "DROP TABLE %s"
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
479 ALTER_SQL = "ALTER TABLE %s ADD COLUMN %s"
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
480 RENAME_TABLE_SQL = "ALTER TABLE %s RENAME TO %s"
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
481
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
482 CONSTRAINTS = ('PRIMARY', 'UNIQUE', 'CHECK', 'FOREIGN')
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
483 TMP_TABLE = "tmp_sat_update"
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 def __init__(self, dbpool, sat_version):
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
486 self._sat_version = sat_version
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
487 self.dbpool = dbpool
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
488
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
489 def getLocalVersion(self):
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
490 """ Get local database version
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
491 @return: version (int)
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 """
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
494 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
495
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
496 def _setLocalVersion(self, version):
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
497 """ Set local database version
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
498 @param version: version (int)
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
499 @return: deferred
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
500
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 return self.dbpool.runOperation("PRAGMA user_version=%d" % version)
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
503
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
504 def getLocalSchema(self):
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
505 """ return raw local schema
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
506 @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
507
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
508 """
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
509 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
510 d.addCallback(lambda result: [row[0] for row in result])
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
511 return d
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
512
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
513 @defer.inlineCallbacks
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
514 def checkUpdates(self):
1030
15f43b54d697 core, memory, bridge: added profile password + password encryption:
souliane <souliane@mailoo.org>
parents: 1019
diff changeset
515 """ Check if a database schema/content update is needed, according to DATABASE_SCHEMAS
853
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
516 @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
517
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
518 """
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
519 local_version = yield self.getLocalVersion()
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
520 raw_local_sch = yield self.getLocalSchema()
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
521 local_sch = self.rawStatements2data(raw_local_sch)
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
522 current_sch = DATABASE_SCHEMAS['current']['CREATE']
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
523 local_hash = self.statementHash(local_sch)
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
524 current_hash = self.statementHash(current_sch)
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
525
1030
15f43b54d697 core, memory, bridge: added profile password + password encryption:
souliane <souliane@mailoo.org>
parents: 1019
diff changeset
526 # Force the update if the schemas are unchanged but a specific update is needed
15f43b54d697 core, memory, bridge: added profile password + password encryption:
souliane <souliane@mailoo.org>
parents: 1019
diff changeset
527 force_update = local_hash == current_hash and local_version < CURRENT_DB_VERSION \
15f43b54d697 core, memory, bridge: added profile password + password encryption:
souliane <souliane@mailoo.org>
parents: 1019
diff changeset
528 and 'specific' in DATABASE_SCHEMAS[CURRENT_DB_VERSION]
15f43b54d697 core, memory, bridge: added profile password + password encryption:
souliane <souliane@mailoo.org>
parents: 1019
diff changeset
529
15f43b54d697 core, memory, bridge: added profile password + password encryption:
souliane <souliane@mailoo.org>
parents: 1019
diff changeset
530 if local_hash == current_hash and not force_update:
853
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
531 if local_version != CURRENT_DB_VERSION:
993
301b342c697a core: use of the new core.log module:
Goffi <goffi@goffi.org>
parents: 936
diff changeset
532 log.warning(_("Your local schema is up-to-date, but database versions mismatch, fixing it..."))
853
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
533 yield self._setLocalVersion(CURRENT_DB_VERSION)
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
534 else:
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
535 # an update is needed
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
536
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
537 if local_version == CURRENT_DB_VERSION:
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
538 # Database mismatch and we have the latest version
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
539 if self._sat_version.endswith('D'):
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
540 # we are in a development version
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
541 update_data = self.generateUpdateData(local_sch, current_sch, False)
993
301b342c697a core: use of the new core.log module:
Goffi <goffi@goffi.org>
parents: 936
diff changeset
542 log.warning(_("There is a schema mismatch, but as we are on a dev version, database will be updated"))
1030
15f43b54d697 core, memory, bridge: added profile password + password encryption:
souliane <souliane@mailoo.org>
parents: 1019
diff changeset
543 update_raw = yield self.update2raw(update_data, True)
853
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
544 defer.returnValue(update_raw)
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
545 else:
993
301b342c697a core: use of the new core.log module:
Goffi <goffi@goffi.org>
parents: 936
diff changeset
546 log.error(_(u"schema version is up-to-date, but local schema differ from expected current schema"))
853
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
547 update_data = self.generateUpdateData(local_sch, current_sch, True)
1030
15f43b54d697 core, memory, bridge: added profile password + password encryption:
souliane <souliane@mailoo.org>
parents: 1019
diff changeset
548 update_raw = yield self.update2raw(update_data)
15f43b54d697 core, memory, bridge: added profile password + password encryption:
souliane <souliane@mailoo.org>
parents: 1019
diff changeset
549 log.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 update_raw))
853
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
550 raise exceptions.DatabaseError("Database mismatch")
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
551 else:
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
552 # Database is not up-to-date, we'll do the update
1030
15f43b54d697 core, memory, bridge: added profile password + password encryption:
souliane <souliane@mailoo.org>
parents: 1019
diff changeset
553 if force_update:
15f43b54d697 core, memory, bridge: added profile password + password encryption:
souliane <souliane@mailoo.org>
parents: 1019
diff changeset
554 log.info(_("Database content needs a specific processing, local database will be updated"))
15f43b54d697 core, memory, bridge: added profile password + password encryption:
souliane <souliane@mailoo.org>
parents: 1019
diff changeset
555 else:
15f43b54d697 core, memory, bridge: added profile password + password encryption:
souliane <souliane@mailoo.org>
parents: 1019
diff changeset
556 log.info(_("Database schema has changed, local database will be updated"))
853
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
557 update_raw = []
1019
6a16ec17a458 better PEP-8 compliance
souliane <souliane@mailoo.org>
parents: 993
diff changeset
558 for version in xrange(local_version + 1, CURRENT_DB_VERSION + 1):
853
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
559 try:
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
560 update_data = DATABASE_SCHEMAS[version]
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
561 except KeyError:
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
562 raise exceptions.InternalError("Missing update definition (version %d)" % version)
1030
15f43b54d697 core, memory, bridge: added profile password + password encryption:
souliane <souliane@mailoo.org>
parents: 1019
diff changeset
563 update_raw_step = yield self.update2raw(update_data)
15f43b54d697 core, memory, bridge: added profile password + password encryption:
souliane <souliane@mailoo.org>
parents: 1019
diff changeset
564 update_raw.extend(update_raw_step)
853
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
565 update_raw.append("PRAGMA user_version=%d" % CURRENT_DB_VERSION)
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
566 defer.returnValue(update_raw)
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
567
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
568 @staticmethod
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
569 def createData2Raw(data):
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
570 """ Generate SQL statements from statements data
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
571 @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
572 @return: list of strings with raw statements
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 """
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
575 ret = []
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
576 for table in data:
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
577 defs, constraints = data[table]
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
578 assert isinstance(defs, tuple)
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
579 assert isinstance(constraints, tuple)
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
580 ret.append(Updater.CREATE_SQL % (table, ', '.join(defs + constraints)))
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
581 return ret
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
582
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
583 @staticmethod
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
584 def insertData2Raw(data):
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
585 """ Generate SQL statements from statements data
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
586 @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
587 @return: list of strings with raw statements
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 """
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
590 ret = []
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
591 for table in data:
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
592 values_tuple = data[table]
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
593 assert isinstance(values_tuple, tuple)
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
594 for values in values_tuple:
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
595 assert isinstance(values, tuple)
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
596 ret.append(Updater.INSERT_SQL % (table, ', '.join(values)))
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
597 return ret
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 def statementHash(self, data):
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
600 """ Generate hash of template data
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
601 useful to compare schemas
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
602
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
603 @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
604 and tuples of (col_defs, constraints) as values
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
605 @return: hash as string
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
606 """
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
607 hash_ = hashlib.sha1()
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
608 tables = data.keys()
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
609 tables.sort()
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
610
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
611 def stmnts2str(stmts):
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
612 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
613
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
614 for table in tables:
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
615 col_defs, col_constr = data[table]
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
616 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
617 return hash_.digest()
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
618
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
619 def rawStatements2data(self, raw_statements):
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
620 """ separate "CREATE" statements into dictionary/tuples data
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
621 @param raw_statements: list of CREATE statements as strings
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
622 @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
623
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
624 """
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
625 schema_dict = {}
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
626 for create_statement in raw_statements:
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
627 if not create_statement.startswith("CREATE TABLE "):
993
301b342c697a core: use of the new core.log module:
Goffi <goffi@goffi.org>
parents: 936
diff changeset
628 log.warning("Unexpected statement, ignoring it")
853
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
629 continue
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
630 _create_statement = create_statement[13:]
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
631 table, raw_col_stats = _create_statement.split(' ',1)
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
632 if raw_col_stats[0] != '(' or raw_col_stats[-1] != ')':
993
301b342c697a core: use of the new core.log module:
Goffi <goffi@goffi.org>
parents: 936
diff changeset
633 log.warning("Unexpected statement structure, ignoring it")
853
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
634 continue
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
635 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
636 col_defs = []
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
637 constraints = []
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
638 for col_stat in col_stats:
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
639 name = col_stat.split(' ',1)[0]
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
640 if name in self.CONSTRAINTS:
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
641 constraints.append(col_stat)
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
642 else:
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
643 col_defs.append(col_stat)
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
644 schema_dict[table] = (tuple(col_defs), tuple(constraints))
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
645 return schema_dict
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
646
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
647 def generateUpdateData(self, old_data, new_data, modify=False):
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
648 """ Generate data for automatic update between two schema data
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
649 @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
650 @param new_data: data of the current schema
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
651 @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
652 @return: update data, a dictionary with:
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
653 - 'create': dictionary of tables to create
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
654 - 'delete': tuple of tables to delete
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
655 - '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
656 - '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
657 - '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
658
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
659 """
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
660
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
661 create_tables_data = {}
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
662 create_cols_data = {}
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
663 modify_cols_data = {}
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
664 delete_cols_data = {}
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
665 old_tables = set(old_data.keys())
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
666 new_tables = set(new_data.keys())
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
667
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
668 def getChanges(set_olds, set_news):
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
669 to_create = set_news.difference(set_olds)
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
670 to_delete = set_olds.difference(set_news)
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
671 to_check = set_news.intersection(set_olds)
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
672 return tuple(to_create), tuple(to_delete), tuple(to_check)
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
673
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
674 tables_to_create, tables_to_delete, tables_to_check = getChanges(old_tables, new_tables)
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
675
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
676 for table in tables_to_create:
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
677 create_tables_data[table] = new_data[table]
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
678
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
679 for table in tables_to_check:
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
680 old_col_defs, old_constraints = old_data[table]
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
681 new_col_defs, new_constraints = new_data[table]
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
682 for obj in old_col_defs, old_constraints, new_col_defs, new_constraints:
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
683 if not isinstance(obj, tuple):
993
301b342c697a core: use of the new core.log module:
Goffi <goffi@goffi.org>
parents: 936
diff changeset
684 raise exceptions.InternalError("Columns definitions must be tuples")
853
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
685 defs_create, defs_delete, ignore = getChanges(set(old_col_defs), set(new_col_defs))
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
686 constraints_create, constraints_delete, ignore = getChanges(set(old_constraints), set(new_constraints))
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
687 created_col_names = set([name.split(' ',1)[0] for name in defs_create])
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
688 deleted_col_names = set([name.split(' ',1)[0] for name in defs_delete])
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
689 if (created_col_names.intersection(deleted_col_names or constraints_create or constraints_delete) or
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
690 (modify and (defs_create or constraints_create or defs_delete or constraints_delete))):
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
691 # we have modified columns, we need to transfer table
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
692 # we determinate which columns are in both schema so we can transfer them
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
693 old_names = set([name.split(' ',1)[0] for name in old_col_defs])
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
694 new_names = set([name.split(' ',1)[0] for name in new_col_defs])
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
695 modify_cols_data[table] = tuple(old_names.intersection(new_names));
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
696 else:
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
697 if defs_create:
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
698 create_cols_data[table] = (defs_create)
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
699 if defs_delete or constraints_delete:
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
700 delete_cols_data[table] = (defs_delete)
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
701
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
702 return {'create': create_tables_data,
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
703 'delete': tables_to_delete,
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
704 'cols create': create_cols_data,
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
705 'cols delete': delete_cols_data,
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
706 'cols modify': modify_cols_data
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
707 }
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
708
1030
15f43b54d697 core, memory, bridge: added profile password + password encryption:
souliane <souliane@mailoo.org>
parents: 1019
diff changeset
709 @defer.inlineCallbacks
853
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
710 def update2raw(self, update, dev_version=False):
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
711 """ Transform update data to raw SQLite statements
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
712 @param upadte: update data as returned by generateUpdateData
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
713 @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.
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
714 @return: list of string with SQL statements needed to update the base
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
715
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
716 """
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
717 ret = self.createData2Raw(update.get('create', {}))
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
718 drop = []
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
719 for table in update.get('delete', tuple()):
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
720 drop.append(self.DROP_SQL % table)
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
721 if dev_version:
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
722 if drop:
993
301b342c697a core: use of the new core.log module:
Goffi <goffi@goffi.org>
parents: 936
diff changeset
723 log.info("Dev version, SQL NOT EXECUTED:\n--\n%s\n--\n" % "\n".join(drop))
853
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
724 else:
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
725 ret.extend(drop)
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
726
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
727 cols_create = update.get('cols create', {})
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
728 for table in cols_create:
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
729 for col_def in cols_create[table]:
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
730 ret.append(self.ALTER_SQL % (table, col_def))
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
731
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
732 cols_delete = update.get('cols delete', {})
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
733 for table in cols_delete:
993
301b342c697a core: use of the new core.log module:
Goffi <goffi@goffi.org>
parents: 936
diff changeset
734 log.info("Following columns in table [%s] are not needed anymore, but are kept for dev version: %s" % (table, ", ".join(cols_delete[table])))
853
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
735
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
736 cols_modify = update.get('cols modify', {})
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
737 for table in cols_modify:
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
738 ret.append(self.RENAME_TABLE_SQL % (table, self.TMP_TABLE))
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
739 main, extra = DATABASE_SCHEMAS['current']['CREATE'][table]
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
740 ret.append(self.CREATE_SQL % (table, ', '.join(main + extra)))
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
741 common_cols = ', '.join(cols_modify[table])
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
742 ret.append("INSERT INTO %s (%s) SELECT %s FROM %s" % (table, common_cols, common_cols, self.TMP_TABLE))
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
743 ret.append(self.DROP_SQL % self.TMP_TABLE)
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
744
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
745 insert = update.get('insert', {})
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
746 ret.extend(self.insertData2Raw(insert))
c2f6ada7858f core (sqlite): automatic database update:
Goffi <goffi@goffi.org>
parents: 839
diff changeset
747
1030
15f43b54d697 core, memory, bridge: added profile password + password encryption:
souliane <souliane@mailoo.org>
parents: 1019
diff changeset
748 specific = update.get('specific', None)
15f43b54d697 core, memory, bridge: added profile password + password encryption:
souliane <souliane@mailoo.org>
parents: 1019
diff changeset
749 if specific:
15f43b54d697 core, memory, bridge: added profile password + password encryption:
souliane <souliane@mailoo.org>
parents: 1019
diff changeset
750 cmds = yield getattr(self, specific)()
15f43b54d697 core, memory, bridge: added profile password + password encryption:
souliane <souliane@mailoo.org>
parents: 1019
diff changeset
751 ret.extend(cmds)
15f43b54d697 core, memory, bridge: added profile password + password encryption:
souliane <souliane@mailoo.org>
parents: 1019
diff changeset
752 defer.returnValue(ret)
15f43b54d697 core, memory, bridge: added profile password + password encryption:
souliane <souliane@mailoo.org>
parents: 1019
diff changeset
753
15f43b54d697 core, memory, bridge: added profile password + password encryption:
souliane <souliane@mailoo.org>
parents: 1019
diff changeset
754 def update2raw_v2(self):
15f43b54d697 core, memory, bridge: added profile password + password encryption:
souliane <souliane@mailoo.org>
parents: 1019
diff changeset
755 """Update the database from v1 to v2 (add passwords encryptions):
15f43b54d697 core, memory, bridge: added profile password + password encryption:
souliane <souliane@mailoo.org>
parents: 1019
diff changeset
756 - the XMPP password value is re-used for the profile password (new parameter)
15f43b54d697 core, memory, bridge: added profile password + password encryption:
souliane <souliane@mailoo.org>
parents: 1019
diff changeset
757 - the profile password is stored hashed
15f43b54d697 core, memory, bridge: added profile password + password encryption:
souliane <souliane@mailoo.org>
parents: 1019
diff changeset
758 - the XMPP password is stored encrypted, with the profile password as key
15f43b54d697 core, memory, bridge: added profile password + password encryption:
souliane <souliane@mailoo.org>
parents: 1019
diff changeset
759 - as there are no other stored passwords yet, it is enough, otherwise we
15f43b54d697 core, memory, bridge: added profile password + password encryption:
souliane <souliane@mailoo.org>
parents: 1019
diff changeset
760 would need to encrypt the other passwords as it's done for XMPP password
15f43b54d697 core, memory, bridge: added profile password + password encryption:
souliane <souliane@mailoo.org>
parents: 1019
diff changeset
761 """
15f43b54d697 core, memory, bridge: added profile password + password encryption:
souliane <souliane@mailoo.org>
parents: 1019
diff changeset
762 xmpp_pass_path = ('Connection', 'Password')
15f43b54d697 core, memory, bridge: added profile password + password encryption:
souliane <souliane@mailoo.org>
parents: 1019
diff changeset
763
15f43b54d697 core, memory, bridge: added profile password + password encryption:
souliane <souliane@mailoo.org>
parents: 1019
diff changeset
764 def encrypt_values(values):
15f43b54d697 core, memory, bridge: added profile password + password encryption:
souliane <souliane@mailoo.org>
parents: 1019
diff changeset
765 ret = []
15f43b54d697 core, memory, bridge: added profile password + password encryption:
souliane <souliane@mailoo.org>
parents: 1019
diff changeset
766 list_ = []
15f43b54d697 core, memory, bridge: added profile password + password encryption:
souliane <souliane@mailoo.org>
parents: 1019
diff changeset
767
1065
9378c80e3408 memory (sqlite): fixes upgrade to database v2
souliane <souliane@mailoo.org>
parents: 1047
diff changeset
768 def prepare_queries(result, xmpp_password):
9378c80e3408 memory (sqlite): fixes upgrade to database v2
souliane <souliane@mailoo.org>
parents: 1047
diff changeset
769 try:
9378c80e3408 memory (sqlite): fixes upgrade to database v2
souliane <souliane@mailoo.org>
parents: 1047
diff changeset
770 id_ = result[0][0]
9378c80e3408 memory (sqlite): fixes upgrade to database v2
souliane <souliane@mailoo.org>
parents: 1047
diff changeset
771 except IndexError:
9378c80e3408 memory (sqlite): fixes upgrade to database v2
souliane <souliane@mailoo.org>
parents: 1047
diff changeset
772 log.error("Profile of id %d is referenced in 'param_ind' but it doesn't exist!" % profile_id)
1099
1baa116501fa memory (sqlite): fixes upgrade Deferred issue
souliane <souliane@mailoo.org>
parents: 1065
diff changeset
773 return defer.succeed(None)
1065
9378c80e3408 memory (sqlite): fixes upgrade to database v2
souliane <souliane@mailoo.org>
parents: 1047
diff changeset
774
9378c80e3408 memory (sqlite): fixes upgrade to database v2
souliane <souliane@mailoo.org>
parents: 1047
diff changeset
775 sat_password = xmpp_password
9378c80e3408 memory (sqlite): fixes upgrade to database v2
souliane <souliane@mailoo.org>
parents: 1047
diff changeset
776 d1 = PasswordHasher.hash(sat_password)
9378c80e3408 memory (sqlite): fixes upgrade to database v2
souliane <souliane@mailoo.org>
parents: 1047
diff changeset
777 personal_key = BlockCipher.getRandomKey(base64=True)
9378c80e3408 memory (sqlite): fixes upgrade to database v2
souliane <souliane@mailoo.org>
parents: 1047
diff changeset
778 d2 = BlockCipher.encrypt(sat_password, personal_key)
9378c80e3408 memory (sqlite): fixes upgrade to database v2
souliane <souliane@mailoo.org>
parents: 1047
diff changeset
779 d3 = BlockCipher.encrypt(personal_key, xmpp_password)
1030
15f43b54d697 core, memory, bridge: added profile password + password encryption:
souliane <souliane@mailoo.org>
parents: 1019
diff changeset
780
1065
9378c80e3408 memory (sqlite): fixes upgrade to database v2
souliane <souliane@mailoo.org>
parents: 1047
diff changeset
781 def gotValues(res):
9378c80e3408 memory (sqlite): fixes upgrade to database v2
souliane <souliane@mailoo.org>
parents: 1047
diff changeset
782 sat_cipher, personal_cipher, xmpp_cipher = res[0][1], res[1][1], res[2][1]
9378c80e3408 memory (sqlite): fixes upgrade to database v2
souliane <souliane@mailoo.org>
parents: 1047
diff changeset
783 ret.append("INSERT INTO param_ind(category,name,profile_id,value) VALUES ('%s','%s',%s,'%s')" %
9378c80e3408 memory (sqlite): fixes upgrade to database v2
souliane <souliane@mailoo.org>
parents: 1047
diff changeset
784 (C.PROFILE_PASS_PATH[0], C.PROFILE_PASS_PATH[1], id_, sat_cipher))
1030
15f43b54d697 core, memory, bridge: added profile password + password encryption:
souliane <souliane@mailoo.org>
parents: 1019
diff changeset
785
1065
9378c80e3408 memory (sqlite): fixes upgrade to database v2
souliane <souliane@mailoo.org>
parents: 1047
diff changeset
786 ret.append("INSERT INTO private_ind(namespace,key,profile_id,value) VALUES ('%s','%s',%s,'%s')" %
9378c80e3408 memory (sqlite): fixes upgrade to database v2
souliane <souliane@mailoo.org>
parents: 1047
diff changeset
787 (C.MEMORY_CRYPTO_NAMESPACE, C.MEMORY_CRYPTO_KEY, id_, personal_cipher))
1030
15f43b54d697 core, memory, bridge: added profile password + password encryption:
souliane <souliane@mailoo.org>
parents: 1019
diff changeset
788
1065
9378c80e3408 memory (sqlite): fixes upgrade to database v2
souliane <souliane@mailoo.org>
parents: 1047
diff changeset
789 ret.append("REPLACE INTO param_ind(category,name,profile_id,value) VALUES ('%s','%s',%s,'%s')" %
9378c80e3408 memory (sqlite): fixes upgrade to database v2
souliane <souliane@mailoo.org>
parents: 1047
diff changeset
790 (xmpp_pass_path[0], xmpp_pass_path[1], id_, xmpp_cipher))
1030
15f43b54d697 core, memory, bridge: added profile password + password encryption:
souliane <souliane@mailoo.org>
parents: 1019
diff changeset
791
1065
9378c80e3408 memory (sqlite): fixes upgrade to database v2
souliane <souliane@mailoo.org>
parents: 1047
diff changeset
792 return defer.DeferredList([d1, d2, d3]).addCallback(gotValues)
1030
15f43b54d697 core, memory, bridge: added profile password + password encryption:
souliane <souliane@mailoo.org>
parents: 1019
diff changeset
793
1065
9378c80e3408 memory (sqlite): fixes upgrade to database v2
souliane <souliane@mailoo.org>
parents: 1047
diff changeset
794 for profile_id, xmpp_password in values:
1030
15f43b54d697 core, memory, bridge: added profile password + password encryption:
souliane <souliane@mailoo.org>
parents: 1019
diff changeset
795 d = self.dbpool.runQuery("SELECT id FROM profiles WHERE id=?", (profile_id,))
1065
9378c80e3408 memory (sqlite): fixes upgrade to database v2
souliane <souliane@mailoo.org>
parents: 1047
diff changeset
796 d.addCallback(prepare_queries, xmpp_password)
1030
15f43b54d697 core, memory, bridge: added profile password + password encryption:
souliane <souliane@mailoo.org>
parents: 1019
diff changeset
797 list_.append(d)
15f43b54d697 core, memory, bridge: added profile password + password encryption:
souliane <souliane@mailoo.org>
parents: 1019
diff changeset
798
15f43b54d697 core, memory, bridge: added profile password + password encryption:
souliane <souliane@mailoo.org>
parents: 1019
diff changeset
799 d_list = defer.DeferredList(list_)
15f43b54d697 core, memory, bridge: added profile password + password encryption:
souliane <souliane@mailoo.org>
parents: 1019
diff changeset
800 d_list.addCallback(lambda dummy: ret)
15f43b54d697 core, memory, bridge: added profile password + password encryption:
souliane <souliane@mailoo.org>
parents: 1019
diff changeset
801 return d_list
15f43b54d697 core, memory, bridge: added profile password + password encryption:
souliane <souliane@mailoo.org>
parents: 1019
diff changeset
802
1045
65fffdcb97f1 memory: auto-update configuration file with libervia's passphrase when migrating the database
souliane <souliane@mailoo.org>
parents: 1030
diff changeset
803 def updateLiberviaConf(values):
65fffdcb97f1 memory: auto-update configuration file with libervia's passphrase when migrating the database
souliane <souliane@mailoo.org>
parents: 1030
diff changeset
804 try:
65fffdcb97f1 memory: auto-update configuration file with libervia's passphrase when migrating the database
souliane <souliane@mailoo.org>
parents: 1030
diff changeset
805 profile_id = values[0][0]
65fffdcb97f1 memory: auto-update configuration file with libervia's passphrase when migrating the database
souliane <souliane@mailoo.org>
parents: 1030
diff changeset
806 except IndexError:
65fffdcb97f1 memory: auto-update configuration file with libervia's passphrase when migrating the database
souliane <souliane@mailoo.org>
parents: 1030
diff changeset
807 return # no profile called "libervia"
65fffdcb97f1 memory: auto-update configuration file with libervia's passphrase when migrating the database
souliane <souliane@mailoo.org>
parents: 1030
diff changeset
808
65fffdcb97f1 memory: auto-update configuration file with libervia's passphrase when migrating the database
souliane <souliane@mailoo.org>
parents: 1030
diff changeset
809 def cb(selected):
65fffdcb97f1 memory: auto-update configuration file with libervia's passphrase when migrating the database
souliane <souliane@mailoo.org>
parents: 1030
diff changeset
810 try:
65fffdcb97f1 memory: auto-update configuration file with libervia's passphrase when migrating the database
souliane <souliane@mailoo.org>
parents: 1030
diff changeset
811 password = selected[0][0]
65fffdcb97f1 memory: auto-update configuration file with libervia's passphrase when migrating the database
souliane <souliane@mailoo.org>
parents: 1030
diff changeset
812 except IndexError:
65fffdcb97f1 memory: auto-update configuration file with libervia's passphrase when migrating the database
souliane <souliane@mailoo.org>
parents: 1030
diff changeset
813 log.error("Libervia profile exists but no password is set! Update Libervia configuration will be skipped.")
65fffdcb97f1 memory: auto-update configuration file with libervia's passphrase when migrating the database
souliane <souliane@mailoo.org>
parents: 1030
diff changeset
814 return
65fffdcb97f1 memory: auto-update configuration file with libervia's passphrase when migrating the database
souliane <souliane@mailoo.org>
parents: 1030
diff changeset
815 fixConfigOption('libervia', 'passphrase', password, False)
65fffdcb97f1 memory: auto-update configuration file with libervia's passphrase when migrating the database
souliane <souliane@mailoo.org>
parents: 1030
diff changeset
816 d = self.dbpool.runQuery("SELECT value FROM param_ind WHERE category=? AND name=? AND profile_id=?", xmpp_pass_path + (profile_id,))
1047
5f7f913c05ac memory: synchronize the upgrade to database v2 to be sure libervia's profile password is read to be written in the config file before its encryption
souliane <souliane@mailoo.org>
parents: 1045
diff changeset
817 return d.addCallback(cb)
1045
65fffdcb97f1 memory: auto-update configuration file with libervia's passphrase when migrating the database
souliane <souliane@mailoo.org>
parents: 1030
diff changeset
818
65fffdcb97f1 memory: auto-update configuration file with libervia's passphrase when migrating the database
souliane <souliane@mailoo.org>
parents: 1030
diff changeset
819 d = self.dbpool.runQuery("SELECT id FROM profiles WHERE name='libervia'")
65fffdcb97f1 memory: auto-update configuration file with libervia's passphrase when migrating the database
souliane <souliane@mailoo.org>
parents: 1030
diff changeset
820 d.addCallback(updateLiberviaConf)
1047
5f7f913c05ac memory: synchronize the upgrade to database v2 to be sure libervia's profile password is read to be written in the config file before its encryption
souliane <souliane@mailoo.org>
parents: 1045
diff changeset
821 d.addCallback(lambda dummy: self.dbpool.runQuery("SELECT profile_id,value FROM param_ind WHERE category=? AND name=?", xmpp_pass_path))
1030
15f43b54d697 core, memory, bridge: added profile password + password encryption:
souliane <souliane@mailoo.org>
parents: 1019
diff changeset
822 d.addCallback(encrypt_values)
15f43b54d697 core, memory, bridge: added profile password + password encryption:
souliane <souliane@mailoo.org>
parents: 1019
diff changeset
823 return d