Mercurial > libervia-backend
annotate src/memory/sqlite.py @ 576:a60dd719e048
misc: added presentation website to README
| author | Goffi <goffi@goffi.org> |
|---|---|
| date | Wed, 09 Jan 2013 01:20:52 +0100 |
| parents | ca13633d3b6b |
| children | 952322b1d490 |
| rev | line source |
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| 412 | 1 #!/usr/bin/python |
| 2 # -*- coding: utf-8 -*- | |
| 3 | |
| 4 """ | |
| 5 SAT: a jabber client | |
| 572 | 6 Copyright (C) 2009, 2010, 2011, 2012, 2013 Jérôme Poisson (goffi@goffi.org) |
| 412 | 7 |
| 8 This program is free software: you can redistribute it and/or modify | |
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9 it under the terms of the GNU Affero General Public License as published by |
| 412 | 10 the Free Software Foundation, either version 3 of the License, or |
| 11 (at your option) any later version. | |
| 12 | |
| 13 This program is distributed in the hope that it will be useful, | |
| 14 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
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16 GNU Affero General Public License for more details. |
| 412 | 17 |
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18 You should have received a copy of the GNU Affero General Public License |
| 412 | 19 along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 20 """ | |
| 21 | |
| 22 | |
| 23 from logging import debug, info, warning, error | |
| 24 from twisted.enterprise import adbapi | |
| 25 from twisted.internet import defer | |
| 26 import os.path | |
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27 import time |
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28 import cPickle as pickle |
| 412 | 29 |
| 30 class SqliteStorage(): | |
| 31 """This class manage storage with Sqlite database""" | |
| 32 | |
| 33 | |
| 34 def __init__(self, db_filename): | |
| 35 """Connect to the given database | |
| 36 @param db_filename: full path to the Sqlite database""" | |
| 37 self.initialized = defer.Deferred() #triggered when memory is fully initialised and ready | |
| 38 init_defers = [] #list of deferred we have to wait to before initialisation is complete | |
| 39 self.profiles={} #we keep cache for the profiles (key: profile name, value: profile id) | |
| 40 | |
| 41 info(_("Connecting database")) | |
| 42 new_base = not os.path.exists(db_filename) #do we have to create the database ? | |
| 43 self.dbpool = adbapi.ConnectionPool("sqlite3", db_filename, check_same_thread=False) | |
| 44 init_defers.append(self.dbpool.runOperation("PRAGMA foreign_keys = ON").addErrback(lambda x: error(_("Can't activate foreign keys")))) | |
| 45 if new_base: | |
| 46 info(_("The database is new, creating the tables")) | |
| 47 database_creation = [ | |
| 48 "CREATE TABLE profiles (id INTEGER PRIMARY KEY ASC, name TEXT, UNIQUE (name))", | |
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49 "CREATE TABLE message_types (type TEXT PRIMARY KEY)", |
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50 "INSERT INTO message_types VALUES ('chat')", |
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51 "INSERT INTO message_types VALUES ('error')", |
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52 "INSERT INTO message_types VALUES ('groupchat')", |
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53 "INSERT INTO message_types VALUES ('headline')", |
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54 "INSERT INTO message_types VALUES ('normal')", |
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55 "CREATE TABLE history (id INTEGER PRIMARY KEY ASC, profile_id INTEGER, source TEXT, dest TEXT, source_res TEXT, dest_res TEXT, timestamp DATETIME, message TEXT, type TEXT, FOREIGN KEY(profile_id) REFERENCES profiles(id) ON DELETE CASCADE, FOREIGN KEY(type) REFERENCES message_types(type))", |
| 412 | 56 "CREATE TABLE param_gen (category TEXT, name TEXT, value TEXT, PRIMARY KEY (category,name))", |
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57 "CREATE TABLE param_ind (category TEXT, name TEXT, profile_id INTEGER, value TEXT, PRIMARY KEY (category,name,profile_id), FOREIGN KEY(profile_id) REFERENCES profiles(id) ON DELETE CASCADE)", |
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58 "CREATE TABLE private_gen (namespace TEXT, key TEXT, value TEXT, PRIMARY KEY (namespace, key))", |
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59 "CREATE TABLE private_ind (namespace TEXT, key TEXT, profile_id INTEGER, value TEXT, PRIMARY KEY (namespace, key, profile_id), FOREIGN KEY(profile_id) REFERENCES profiles(id) ON DELETE CASCADE)", |
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60 "CREATE TABLE private_gen_bin (namespace TEXT, key TEXT, value BLOB, PRIMARY KEY (namespace, key))", |
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61 "CREATE TABLE private_ind_bin (namespace TEXT, key TEXT, profile_id INTEGER, value BLOB, PRIMARY KEY (namespace, key, profile_id), FOREIGN KEY(profile_id) REFERENCES profiles(id) ON DELETE CASCADE)", |
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62 ] |
| 412 | 63 for op in database_creation: |
| 64 d = self.dbpool.runOperation(op) | |
| 65 d.addErrback(lambda x: error(_("Error while creating tables in database [QUERY: %s]") % op )) | |
| 66 init_defers.append(d) | |
| 67 | |
| 68 def fillProfileCache(ignore): | |
| 69 d = self.dbpool.runQuery("SELECT name,id FROM profiles").addCallback(self._profilesCache) | |
| 70 d.chainDeferred(self.initialized) | |
| 71 | |
| 72 defer.DeferredList(init_defers).addCallback(fillProfileCache) | |
| 73 | |
| 74 #Profiles | |
| 75 def _profilesCache(self, profiles_result): | |
| 76 """Fill the profiles cache | |
| 77 @param profiles_result: result of the sql profiles query""" | |
| 78 for profile in profiles_result: | |
| 79 name, id = profile | |
| 80 self.profiles[name] = id | |
| 81 | |
| 82 def getProfilesList(self): | |
| 83 """"Return list of all registered profiles""" | |
| 84 return self.profiles.keys() | |
| 85 | |
| 86 def hasProfile(self, profile_name): | |
| 87 """return True if profile_name exists | |
| 88 @param profile_name: name of the profile to check""" | |
| 89 return self.profiles.has_key(profile_name) | |
| 90 | |
| 91 def createProfile(self, name): | |
| 92 """Create a new profile | |
| 93 @param name: name of the profile | |
| 94 @return: deferred triggered once profile is actually created""" | |
| 95 def getProfileId(ignore): | |
| 96 return self.dbpool.runQuery("SELECT (id) FROM profiles WHERE name = ?", (name,)) | |
| 97 | |
| 98 def profile_created(profile_id): | |
| 99 _id = profile_id[0][0] | |
| 100 self.profiles[name] = _id #we synchronise the cache | |
| 101 | |
| 102 d = self.dbpool.runQuery("INSERT INTO profiles(name) VALUES (?)", (name,)) | |
| 103 d.addCallback(getProfileId) | |
| 104 d.addCallback(profile_created) | |
| 105 return d | |
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106 |
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107 def deleteProfile(self, name): |
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108 """Delete profile |
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109 @param name: name of the profile |
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110 @return: deferred triggered once profile is actually deleted""" |
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111 def deletionError(failure): |
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112 error(_("Can't delete profile [%s]") % name) |
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113 return failure |
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114 del self.profiles[name] |
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115 d = self.dbpool.runQuery("DELETE FROM profiles WHERE name = ?", (name,)) |
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116 d.addCallback(lambda ignore: info(_("Profile [%s] deleted") % name)) |
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117 return d |
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118 |
| 412 | 119 |
| 120 #Params | |
| 121 def loadGenParams(self, params_gen): | |
| 122 """Load general parameters | |
| 123 @param params_gen: dictionary to fill | |
| 124 @return: deferred""" | |
| 125 def fillParams(result): | |
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126 for param in result: |
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127 category,name,value = param |
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128 params_gen[(category, name)] = value |
| 412 | 129 debug(_("loading general parameters from database")) |
| 130 return self.dbpool.runQuery("SELECT category,name,value FROM param_gen").addCallback(fillParams) | |
| 131 | |
| 132 def loadIndParams(self, params_ind, profile): | |
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133 """Load individual parameters |
| 412 | 134 @param params_ind: dictionary to fill |
| 135 @param profile: a profile which *must* exist | |
| 136 @return: deferred""" | |
| 137 def fillParams(result): | |
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138 for param in result: |
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139 category,name,value = param |
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140 params_ind[(category, name)] = value |
| 412 | 141 debug(_("loading individual parameters from database")) |
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142 d = self.dbpool.runQuery("SELECT category,name,value FROM param_ind WHERE profile_id=?", (self.profiles[profile],)) |
| 412 | 143 d.addCallback(fillParams) |
| 144 return d | |
| 145 | |
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146 def getIndParam(self, category, name, profile): |
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147 """Ask database for the value of one specific individual parameter |
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148 @param category: category of the parameter |
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149 @param name: name of the parameter |
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150 @param profile: %(doc_profile)s |
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151 @return: deferred""" |
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152 d = self.dbpool.runQuery("SELECT value FROM param_ind WHERE category=? AND name=? AND profile_id=?", (category,name,self.profiles[profile])) |
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153 d.addCallback(self.__getFirstResult) |
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154 return d |
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155 |
| 412 | 156 def setGenParam(self, category, name, value): |
| 157 """Save the general parameters in database | |
| 158 @param category: category of the parameter | |
| 159 @param name: name of the parameter | |
| 160 @param value: value to set | |
| 161 @return: deferred""" | |
| 162 d = self.dbpool.runQuery("REPLACE INTO param_gen(category,name,value) VALUES (?,?,?)", (category, name, value)) | |
| 163 d.addErrback(lambda ignore: error(_("Can't set general parameter (%(category)s/%(name)s) in database" % {"category":category, "name":name}))) | |
| 164 return d | |
| 165 | |
| 166 def setIndParam(self, category, name, value, profile): | |
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167 """Save the individual parameters in database |
| 412 | 168 @param category: category of the parameter |
| 169 @param name: name of the parameter | |
| 170 @param value: value to set | |
| 171 @param profile: a profile which *must* exist | |
| 172 @return: deferred""" | |
| 173 d = self.dbpool.runQuery("REPLACE INTO param_ind(category,name,profile_id,value) VALUES (?,?,?,?)", (category, name, self.profiles[profile], value)) | |
| 174 d.addErrback(lambda ignore: error(_("Can't set individual parameter (%(category)s/%(name)s) for [%(profile)s] in database" % {"category":category, "name":name, "profile":profile}))) | |
| 175 return d | |
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176 |
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177 #History |
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178 def addToHistory(self, from_jid, to_jid, message, _type='chat', timestamp=None, profile=None): |
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179 """Store a new message in history |
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180 @param from_jid: full source JID |
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181 @param to_jid: full dest JID |
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182 @param message: message |
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183 @param _type: message type (see RFC 6121 §5.2.2) |
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184 @param timestamp: timestamp in seconds since epoch, or None to use current time |
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185 """ |
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186 assert(profile) |
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187 d = self.dbpool.runQuery("INSERT INTO history(source, source_res, dest, dest_res, timestamp, message, type, profile_id) VALUES (?,?,?,?,?,?,?,?)", |
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188 (from_jid.userhost(), from_jid.resource, to_jid.userhost(), to_jid.resource, timestamp or time.time(), |
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189 message, _type, self.profiles[profile])) |
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190 d.addErrback(lambda ignore: error(_("Can't save following message in history: from [%(from_jid)s] to [%(to_jid)s] ==> [%(message)s]" % |
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191 {"from_jid":from_jid.full(), "to_jid":to_jid.full(), "message":message}))) |
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192 return d |
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193 |
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194 def getHistory(self, from_jid, to_jid, limit=0, between=True, profile=None): |
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195 """Store a new message in history |
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196 @param from_jid: source JID (full, or bare for catchall |
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197 @param to_jid: dest JID (full, or bare for catchall |
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198 @param size: maximum number of messages to get, or 0 for unlimited |
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199 """ |
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200 assert(profile) |
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201 def sqliteToDict(query_result): |
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202 query_result.reverse() |
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203 result = [] |
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204 for row in query_result: |
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205 timestamp, source, source_res, dest, dest_res, message, _type= row |
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206 result.append((timestamp, "%s/%s" % (source, source_res) if source_res else source, |
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207 "%s/%s" % (dest, dest_res) if dest_res else dest, |
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208 message, _type)) |
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209 return result |
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210 |
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211 |
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212 query_parts = ["SELECT timestamp, source, source_res, dest, dest_res, message, type FROM history WHERE profile_id=? AND"] |
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213 values = [self.profiles[profile]] |
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214 |
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215 def test_jid(_type,_jid): |
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216 values.append(_jid.userhost()) |
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217 if _jid.resource: |
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218 values.append(_jid.resource) |
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219 return '(%s=? AND %s_res=?)' % (_type, _type) |
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220 return '%s=?' % (_type,) |
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221 |
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222 if between: |
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223 query_parts.append("(%s OR %s) AND (%s or %s)" % (test_jid('source', from_jid), |
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224 test_jid('source', to_jid), |
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225 test_jid('dest', to_jid), |
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226 test_jid('dest', from_jid))) |
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227 else: |
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228 query_parts.append("%s AND %s") % (test_jid('source', from_jid), |
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229 test_jid('dest', to_jid)) |
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230 |
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231 query_parts.append("ORDER BY timestamp DESC") |
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232 |
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233 if limit: |
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234 query_parts.append("LIMIT ?") |
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235 values.append(limit) |
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236 |
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237 d = self.dbpool.runQuery(" ".join(query_parts), values) |
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238 return d.addCallback(sqliteToDict) |
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239 |
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240 #Private values |
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241 def loadGenPrivates(self, private_gen, namespace): |
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242 """Load general private values |
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243 @param private_gen: dictionary to fill |
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244 @param namespace: namespace of the values |
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245 @return: deferred""" |
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246 def fillPrivates(result): |
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247 for private in result: |
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248 key,value = private |
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249 private_gen[key] = value |
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250 debug(_("loading general private values [namespace: %s] from database") % (namespace,)) |
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251 d = self.dbpool.runQuery("SELECT key,value FROM private_gen WHERE namespace=?", (namespace,)).addCallback(fillPrivates) |
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252 return d.addErrback(lambda x: debug(_("No data present in database for namespace %s") % namespace)) |
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253 |
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254 def loadIndPrivates(self, private_ind, namespace, profile): |
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255 """Load individual private values |
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256 @param privates_ind: dictionary to fill |
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257 @param namespace: namespace of the values |
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258 @param profile: a profile which *must* exist |
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259 @return: deferred""" |
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260 def fillPrivates(result): |
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261 for private in result: |
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262 key,value = private |
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263 private_ind[key] = value |
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264 debug(_("loading individual private values [namespace: %s] from database") % (namespace,)) |
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265 d = self.dbpool.runQuery("SELECT key,value FROM private_ind WHERE namespace=? AND profile_id=?", (namespace, self.profiles[profile])) |
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266 d.addCallback(fillPrivates) |
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267 return d.addErrback(lambda x: debug(_("No data present in database for namespace %s") % namespace)) |
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268 |
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269 def setGenPrivate(self, namespace, key, value): |
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270 """Save the general private value in database |
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271 @param category: category of the privateeter |
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272 @param key: key of the private value |
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273 @param value: value to set |
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274 @return: deferred""" |
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275 d = self.dbpool.runQuery("REPLACE INTO private_gen(namespace,key,value) VALUES (?,?,?)", (namespace,key,value)) |
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276 d.addErrback(lambda ignore: error(_("Can't set general private value (%(key)s) [namespace:%(namespace)s] in database" % |
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277 {"namespace":namespace, "key":key}))) |
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278 return d |
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279 |
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280 def setIndPrivate(self, namespace, key, value, profile): |
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281 """Save the individual private value in database |
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282 @param namespace: namespace of the value |
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283 @param key: key of the private value |
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284 @param value: value to set |
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285 @param profile: a profile which *must* exist |
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286 @return: deferred""" |
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287 d = self.dbpool.runQuery("REPLACE INTO private_ind(namespace,key,profile_id,value) VALUES (?,?,?,?)", (namespace, key, self.profiles[profile], value)) |
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288 d.addErrback(lambda ignore: error(_("Can't set individual private value (%(key)s) [namespace: %(namespace)s] for [%(profile)s] in database" % |
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289 {"namespace":namespace, "key":key, "profile":profile}))) |
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290 return d |
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291 |
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292 def delGenPrivate(self, namespace, key): |
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293 """Delete the general private value from database |
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294 @param category: category of the privateeter |
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295 @param key: key of the private value |
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296 @return: deferred""" |
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297 d = self.dbpool.runQuery("DELETE FROM private_gen WHERE namespace=? AND key=?", (namespace,key)) |
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298 d.addErrback(lambda ignore: error(_("Can't delete general private value (%(key)s) [namespace:%(namespace)s] in database" % |
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299 {"namespace":namespace, "key":key}))) |
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300 return d |
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301 |
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302 def delIndPrivate(self, namespace, key, profile): |
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303 """Delete the individual private value from database |
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304 @param namespace: namespace of the value |
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305 @param key: key of the private value |
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306 @param profile: a profile which *must* exist |
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307 @return: deferred""" |
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308 d = self.dbpool.runQuery("DELETE FROM private_ind WHERE namespace=? AND key=? AND profile=?)", (namespace, key, self.profiles[profile])) |
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309 d.addErrback(lambda ignore: error(_("Can't delete individual private value (%(key)s) [namespace: %(namespace)s] for [%(profile)s] in database" % |
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310 {"namespace":namespace, "key":key, "profile":profile}))) |
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311 return d |
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312 |
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313 |
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314 def loadGenPrivatesBinary(self, private_gen, namespace): |
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315 """Load general private binary values |
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316 @param private_gen: dictionary to fill |
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317 @param namespace: namespace of the values |
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318 @return: deferred""" |
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319 def fillPrivates(result): |
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320 for private in result: |
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321 key,value = private |
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322 private_gen[key] = pickle.loads(str(value)) |
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432
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323 debug(_("loading general private binary values [namespace: %s] from database") % (namespace,)) |
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324 d = self.dbpool.runQuery("SELECT key,value FROM private_gen_bin WHERE namespace=?", (namespace,)).addCallback(fillPrivates) |
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325 return d.addErrback(lambda x: debug(_("No binary data present in database for namespace %s") % namespace)) |
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326 |
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327 def loadIndPrivatesBinary(self, private_ind, namespace, profile): |
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328 """Load individual private binary values |
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329 @param privates_ind: dictionary to fill |
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330 @param namespace: namespace of the values |
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331 @param profile: a profile which *must* exist |
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332 @return: deferred""" |
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333 def fillPrivates(result): |
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334 for private in result: |
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335 key,value = private |
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336 private_ind[key] = pickle.loads(str(value)) |
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337 debug(_("loading individual private binary values [namespace: %s] from database") % (namespace,)) |
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338 d = self.dbpool.runQuery("SELECT key,value FROM private_ind_bin WHERE namespace=? AND profile_id=?", (namespace, self.profiles[profile])) |
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339 d.addCallback(fillPrivates) |
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340 return d.addErrback(lambda x: debug(_("No binary data present in database for namespace %s") % namespace)) |
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341 |
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342 def setGenPrivateBinary(self, namespace, key, value): |
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343 """Save the general private binary value in database |
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344 @param category: category of the privateeter |
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345 @param key: key of the private value |
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346 @param value: value to set |
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347 @return: deferred""" |
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348 d = self.dbpool.runQuery("REPLACE INTO private_gen_bin(namespace,key,value) VALUES (?,?,?)", (namespace,key,pickle.dumps(value,0))) |
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349 d.addErrback(lambda ignore: error(_("Can't set general private binary value (%(key)s) [namespace:%(namespace)s] in database" % |
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350 {"namespace":namespace, "key":key}))) |
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351 return d |
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352 |
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353 def setIndPrivateBinary(self, namespace, key, value, profile): |
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354 """Save the individual private binary value in database |
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355 @param namespace: namespace of the value |
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356 @param key: key of the private value |
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357 @param value: value to set |
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358 @param profile: a profile which *must* exist |
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359 @return: deferred""" |
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360 d = self.dbpool.runQuery("REPLACE INTO private_ind_bin(namespace,key,profile_id,value) VALUES (?,?,?,?)", (namespace, key, self.profiles[profile], pickle.dumps(value,0))) |
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361 d.addErrback(lambda ignore: error(_("Can't set individual binary private value (%(key)s) [namespace: %(namespace)s] for [%(profile)s] in database" % |
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362 {"namespace":namespace, "key":key, "profile":profile}))) |
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363 return d |
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364 |
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365 def delGenPrivateBinary(self, namespace, key): |
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366 """Delete the general private binary value from database |
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367 @param category: category of the privateeter |
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368 @param key: key of the private value |
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369 @return: deferred""" |
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370 d = self.dbpool.runQuery("DELETE FROM private_gen_bin WHERE namespace=? AND key=?", (namespace,key)) |
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371 d.addErrback(lambda ignore: error(_("Can't delete general private binary value (%(key)s) [namespace:%(namespace)s] in database" % |
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372 {"namespace":namespace, "key":key}))) |
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373 return d |
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374 |
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375 def delIndPrivateBinary(self, namespace, key, profile): |
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376 """Delete the individual private binary value from database |
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377 @param namespace: namespace of the value |
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378 @param key: key of the private value |
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379 @param profile: a profile which *must* exist |
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380 @return: deferred""" |
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381 d = self.dbpool.runQuery("DELETE FROM private_ind_bin WHERE namespace=? AND key=? AND profile=?)", (namespace, key, self.profiles[profile])) |
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382 d.addErrback(lambda ignore: error(_("Can't delete individual private binary value (%(key)s) [namespace: %(namespace)s] for [%(profile)s] in database" % |
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383 {"namespace":namespace, "key":key, "profile":profile}))) |
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384 return d |
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413
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385 ##Helper methods## |
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386 |
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387 def __getFirstResult(self, result): |
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388 """Return the first result of a database query |
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389 Useful when we are looking for one specific value""" |
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416
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390 return None if not result else result[0][0] |