Mercurial > libervia-backend
annotate src/memory/sqlite.py @ 791:23b0c949b86c
plugins room games, XEP-0045: small fixes, improved docstrings
| author | souliane <souliane@mailoo.org> |
|---|---|
| date | Fri, 10 Jan 2014 18:07:36 +0100 |
| parents | bfabeedbf32e |
| children | 1fe00f0c9a91 |
| rev | line source |
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| 412 | 1 #!/usr/bin/python |
| 2 # -*- coding: utf-8 -*- | |
| 3 | |
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4 # SAT: a jabber client |
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5 # Copyright (C) 2009, 2010, 2011, 2012, 2013 Jérôme Poisson (goffi@goffi.org) |
| 412 | 6 |
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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. |
| 412 | 11 |
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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. |
| 412 | 16 |
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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/>. |
| 412 | 19 |
| 771 | 20 from sat.core.i18n import _ |
| 412 | 21 from logging import debug, info, warning, error |
| 22 from twisted.enterprise import adbapi | |
| 23 from twisted.internet import defer | |
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24 from time import time |
| 412 | 25 import os.path |
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26 import cPickle as pickle |
| 412 | 27 |
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28 |
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29 class SqliteStorage(object): |
| 412 | 30 """This class manage storage with Sqlite database""" |
| 31 | |
| 32 def __init__(self, db_filename): | |
| 33 """Connect to the given database | |
| 34 @param db_filename: full path to the Sqlite database""" | |
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35 self.initialized = defer.Deferred() # triggered when memory is fully initialised and ready |
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36 self.profiles = {} # we keep cache for the profiles (key: profile name, value: profile id) |
| 412 | 37 |
| 38 info(_("Connecting database")) | |
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39 new_base = not os.path.exists(db_filename) # do we have to create the database ? |
| 412 | 40 self.dbpool = adbapi.ConnectionPool("sqlite3", db_filename, check_same_thread=False) |
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41 |
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42 # init_defer is the initialisation deferred, initialisation is ok when all its callbacks have been done |
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43 init_defer = self.dbpool.runOperation("PRAGMA foreign_keys = ON").addErrback(lambda x: error(_("Can't activate foreign keys"))) |
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44 |
| 412 | 45 if new_base: |
| 46 info(_("The database is new, creating the tables")) | |
| 47 database_creation = [ | |
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48 "CREATE TABLE profiles (id INTEGER PRIMARY KEY ASC, name TEXT, UNIQUE (name))", |
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49 "CREATE TABLE 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, extra BLOB, FOREIGN KEY(profile_id) REFERENCES profiles(id) ON DELETE CASCADE, FOREIGN KEY(type) REFERENCES message_types(type))", |
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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: |
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64 init_defer.addCallback(lambda ignore, sql: self.dbpool.runOperation(sql), op) |
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65 init_defer.addErrback(lambda ignore, sql: error(_("Error while creating tables in database [QUERY: %s]") % sql, op)) |
| 412 | 66 |
| 67 def fillProfileCache(ignore): | |
| 68 d = self.dbpool.runQuery("SELECT name,id FROM profiles").addCallback(self._profilesCache) | |
| 69 d.chainDeferred(self.initialized) | |
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70 |
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71 init_defer.addCallback(fillProfileCache) |
| 412 | 72 |
| 73 #Profiles | |
| 74 def _profilesCache(self, profiles_result): | |
| 75 """Fill the profiles cache | |
| 76 @param profiles_result: result of the sql profiles query""" | |
| 77 for profile in profiles_result: | |
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78 name, id_ = profile |
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79 self.profiles[name] = id_ |
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80 |
| 412 | 81 def getProfilesList(self): |
| 82 """"Return list of all registered profiles""" | |
| 83 return self.profiles.keys() | |
| 84 | |
| 85 def hasProfile(self, profile_name): | |
| 86 """return True if profile_name exists | |
| 87 @param profile_name: name of the profile to check""" | |
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88 return profile_name in self.profiles |
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89 |
| 412 | 90 def createProfile(self, name): |
| 91 """Create a new profile | |
| 92 @param name: name of the profile | |
| 93 @return: deferred triggered once profile is actually created""" | |
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94 |
| 412 | 95 def getProfileId(ignore): |
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96 return self.dbpool.runQuery("SELECT (id) FROM profiles WHERE name = ?", (name, )) |
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97 |
| 412 | 98 def profile_created(profile_id): |
| 99 _id = profile_id[0][0] | |
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100 self.profiles[name] = _id # we synchronise the cache |
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101 |
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102 d = self.dbpool.runQuery("INSERT INTO profiles(name) VALUES (?)", (name, )) |
| 412 | 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 |
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115 del self.profiles[name] |
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116 d = self.dbpool.runQuery("DELETE FROM profiles WHERE name = ?", (name, )) |
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117 d.addCallback(lambda ignore: info(_("Profile [%s] deleted") % name)) |
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118 d.addErrback(deletionError) |
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119 return d |
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120 |
| 412 | 121 #Params |
| 122 def loadGenParams(self, params_gen): | |
| 123 """Load general parameters | |
| 124 @param params_gen: dictionary to fill | |
| 125 @return: deferred""" | |
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126 |
| 412 | 127 def fillParams(result): |
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128 for param in result: |
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129 category, name, value = param |
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130 params_gen[(category, name)] = value |
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131 debug(_("loading general parameters from database")) |
| 412 | 132 return self.dbpool.runQuery("SELECT category,name,value FROM param_gen").addCallback(fillParams) |
| 133 | |
| 134 def loadIndParams(self, params_ind, profile): | |
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135 """Load individual parameters |
| 412 | 136 @param params_ind: dictionary to fill |
| 137 @param profile: a profile which *must* exist | |
| 138 @return: deferred""" | |
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139 |
| 412 | 140 def fillParams(result): |
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141 for param in result: |
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142 category, name, value = param |
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143 params_ind[(category, name)] = value |
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144 debug(_("loading individual parameters from database")) |
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145 d = self.dbpool.runQuery("SELECT category,name,value FROM param_ind WHERE profile_id=?", (self.profiles[profile], )) |
| 412 | 146 d.addCallback(fillParams) |
| 147 return d | |
| 148 | |
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149 def getIndParam(self, category, name, profile): |
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150 """Ask database for the value of one specific individual parameter |
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151 @param category: category of the parameter |
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152 @param name: name of the parameter |
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153 @param profile: %(doc_profile)s |
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154 @return: deferred""" |
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155 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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156 d.addCallback(self.__getFirstResult) |
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157 return d |
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158 |
| 412 | 159 def setGenParam(self, category, name, value): |
| 160 """Save the general parameters in database | |
| 161 @param category: category of the parameter | |
| 162 @param name: name of the parameter | |
| 163 @param value: value to set | |
| 164 @return: deferred""" | |
| 165 d = self.dbpool.runQuery("REPLACE INTO param_gen(category,name,value) VALUES (?,?,?)", (category, name, value)) | |
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166 d.addErrback(lambda ignore: error(_("Can't set general parameter (%(category)s/%(name)s) in database" % {"category": category, "name": name}))) |
| 412 | 167 return d |
| 168 | |
| 169 def setIndParam(self, category, name, value, profile): | |
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170 """Save the individual parameters in database |
| 412 | 171 @param category: category of the parameter |
| 172 @param name: name of the parameter | |
| 173 @param value: value to set | |
| 174 @param profile: a profile which *must* exist | |
| 175 @return: deferred""" | |
| 176 d = self.dbpool.runQuery("REPLACE INTO param_ind(category,name,profile_id,value) VALUES (?,?,?,?)", (category, name, self.profiles[profile], value)) | |
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177 d.addErrback(lambda ignore: error(_("Can't set individual parameter (%(category)s/%(name)s) for [%(profile)s] in database" % {"category": category, "name": name, "profile": profile}))) |
| 412 | 178 return d |
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179 |
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180 #History |
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181 def addToHistory(self, from_jid, to_jid, message, _type='chat', extra=None, timestamp=None, profile=None): |
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182 """Store a new message in history |
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183 @param from_jid: full source JID |
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184 @param to_jid: full dest JID |
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185 @param message: message |
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186 @param _type: message type (see RFC 6121 §5.2.2) |
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187 @param extra: dictionary (keys and values are unicode) of extra message data |
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188 @param timestamp: timestamp in seconds since epoch, or None to use current time |
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189 """ |
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190 assert(profile) |
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191 if extra is None: |
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192 extra = {} |
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193 d = self.dbpool.runQuery("INSERT INTO history(source, source_res, dest, dest_res, timestamp, message, type, extra, profile_id) VALUES (?,?,?,?,?,?,?,?,?)", |
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194 (from_jid.userhost(), from_jid.resource, to_jid.userhost(), to_jid.resource, timestamp or time(), |
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195 message, _type, pickle.dumps(extra, 0), self.profiles[profile])) |
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196 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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197 {"from_jid": from_jid.full(), "to_jid": to_jid.full(), "message": message}))) |
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198 return d |
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199 |
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200 def getHistory(self, from_jid, to_jid, limit=0, between=True, profile=None): |
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201 """Store a new message in history |
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202 @param from_jid: source JID (full, or bare for catchall |
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203 @param to_jid: dest JID (full, or bare for catchall |
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204 @param size: maximum number of messages to get, or 0 for unlimited |
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205 """ |
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206 assert(profile) |
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207 |
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208 def sqliteToList(query_result): |
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209 query_result.reverse() |
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210 result = [] |
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211 for row in query_result: |
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212 timestamp, source, source_res, dest, dest_res, message, type_, extra_raw = row |
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213 try: |
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214 extra = pickle.loads(str(extra_raw or "")) |
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215 except EOFError: |
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216 extra = {} |
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217 result.append((timestamp, "%s/%s" % (source, source_res) if source_res else source, |
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218 "%s/%s" % (dest, dest_res) if dest_res else dest, |
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219 message, type_, extra)) |
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220 return result |
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221 |
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222 query_parts = ["SELECT timestamp, source, source_res, dest, dest_res, message, type, extra FROM history WHERE profile_id=? AND"] |
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223 values = [self.profiles[profile]] |
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224 |
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225 def test_jid(type_, _jid): |
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226 values.append(_jid.userhost()) |
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227 if _jid.resource: |
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228 values.append(_jid.resource) |
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229 return '(%s=? AND %s_res=?)' % (type_, type_) |
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230 return '%s=?' % (type_, ) |
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231 |
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232 if between: |
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233 query_parts.append("((%s AND %s) OR (%s AND %s))" % (test_jid('source', from_jid), |
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234 test_jid('dest', to_jid), |
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235 test_jid('source', to_jid), |
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236 test_jid('dest', from_jid))) |
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237 else: |
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238 query_parts.append("%s AND %s" % (test_jid('source', from_jid), |
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239 test_jid('dest', to_jid))) |
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240 |
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241 query_parts.append("ORDER BY timestamp DESC") |
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242 |
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243 if limit: |
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244 query_parts.append("LIMIT ?") |
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245 values.append(limit) |
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246 |
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247 d = self.dbpool.runQuery(" ".join(query_parts), values) |
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248 return d.addCallback(sqliteToList) |
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249 |
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250 #Private values |
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251 def loadGenPrivates(self, private_gen, namespace): |
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252 """Load general private values |
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253 @param private_gen: dictionary to fill |
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254 @param namespace: namespace of the values |
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255 @return: deferred""" |
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256 |
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257 def fillPrivates(result): |
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258 for private in result: |
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259 key, value = private |
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260 private_gen[key] = value |
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261 debug(_("loading general private values [namespace: %s] from database") % (namespace, )) |
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262 d = self.dbpool.runQuery("SELECT key,value FROM private_gen WHERE namespace=?", (namespace, )).addCallback(fillPrivates) |
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263 return d.addErrback(lambda x: debug(_("No data present in database for namespace %s") % namespace)) |
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264 |
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265 def loadIndPrivates(self, private_ind, namespace, profile): |
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266 """Load individual private values |
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267 @param privates_ind: dictionary to fill |
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268 @param namespace: namespace of the values |
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269 @param profile: a profile which *must* exist |
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270 @return: deferred""" |
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271 |
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272 def fillPrivates(result): |
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273 for private in result: |
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274 key, value = private |
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275 private_ind[key] = value |
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276 debug(_("loading individual private values [namespace: %s] from database") % (namespace, )) |
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277 d = self.dbpool.runQuery("SELECT key,value FROM private_ind WHERE namespace=? AND profile_id=?", (namespace, self.profiles[profile])) |
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278 d.addCallback(fillPrivates) |
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279 return d.addErrback(lambda x: debug(_("No data present in database for namespace %s") % namespace)) |
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280 |
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281 def setGenPrivate(self, namespace, key, value): |
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282 """Save the general private value in database |
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283 @param category: category of the privateeter |
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284 @param key: key of the private value |
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285 @param value: value to set |
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286 @return: deferred""" |
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287 d = self.dbpool.runQuery("REPLACE INTO private_gen(namespace,key,value) VALUES (?,?,?)", (namespace, key, value)) |
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288 d.addErrback(lambda ignore: error(_("Can't set general private value (%(key)s) [namespace:%(namespace)s] in database" % |
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289 {"namespace": namespace, "key": key}))) |
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290 return d |
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291 |
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292 def setIndPrivate(self, namespace, key, value, profile): |
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293 """Save the individual private value in database |
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294 @param namespace: namespace of the value |
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295 @param key: key of the private value |
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296 @param value: value to set |
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297 @param profile: a profile which *must* exist |
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298 @return: deferred""" |
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299 d = self.dbpool.runQuery("REPLACE INTO private_ind(namespace,key,profile_id,value) VALUES (?,?,?,?)", (namespace, key, self.profiles[profile], value)) |
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300 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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301 {"namespace": namespace, "key": key, "profile": profile}))) |
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302 return d |
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303 |
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304 def delGenPrivate(self, namespace, key): |
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305 """Delete the general private value from database |
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306 @param category: category of the privateeter |
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307 @param key: key of the private value |
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308 @return: deferred""" |
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309 d = self.dbpool.runQuery("DELETE FROM private_gen WHERE namespace=? AND key=?", (namespace, key)) |
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310 d.addErrback(lambda ignore: error(_("Can't delete general private value (%(key)s) [namespace:%(namespace)s] in database" % |
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311 {"namespace": namespace, "key": key}))) |
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312 return d |
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313 |
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314 def delIndPrivate(self, namespace, key, profile): |
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315 """Delete the individual private value from database |
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316 @param namespace: namespace of the value |
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317 @param key: key of the private value |
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318 @param profile: a profile which *must* exist |
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319 @return: deferred""" |
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320 d = self.dbpool.runQuery("DELETE FROM private_ind WHERE namespace=? AND key=? AND profile=?)", (namespace, key, self.profiles[profile])) |
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321 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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322 {"namespace": namespace, "key": key, "profile": profile}))) |
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323 return d |
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324 |
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325 def loadGenPrivatesBinary(self, private_gen, namespace): |
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326 """Load general private binary values |
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327 @param private_gen: dictionary to fill |
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328 @param namespace: namespace of the values |
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329 @return: deferred""" |
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330 |
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331 def fillPrivates(result): |
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332 for private in result: |
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333 key, value = private |
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334 private_gen[key] = pickle.loads(str(value)) |
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335 debug(_("loading general private binary values [namespace: %s] from database") % (namespace, )) |
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336 d = self.dbpool.runQuery("SELECT key,value FROM private_gen_bin WHERE namespace=?", (namespace, )).addCallback(fillPrivates) |
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337 return d.addErrback(lambda x: debug(_("No binary data present in database for namespace %s") % namespace)) |
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338 |
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339 def loadIndPrivatesBinary(self, private_ind, namespace, profile): |
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340 """Load individual private binary values |
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341 @param privates_ind: dictionary to fill |
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342 @param namespace: namespace of the values |
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343 @param profile: a profile which *must* exist |
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344 @return: deferred""" |
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345 |
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346 def fillPrivates(result): |
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347 for private in result: |
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348 key, value = private |
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349 private_ind[key] = pickle.loads(str(value)) |
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350 debug(_("loading individual private binary values [namespace: %s] from database") % (namespace, )) |
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351 d = self.dbpool.runQuery("SELECT key,value FROM private_ind_bin WHERE namespace=? AND profile_id=?", (namespace, self.profiles[profile])) |
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352 d.addCallback(fillPrivates) |
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353 return d.addErrback(lambda x: debug(_("No binary data present in database for namespace %s") % namespace)) |
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354 |
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355 def setGenPrivateBinary(self, namespace, key, value): |
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356 """Save the general private binary value in database |
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357 @param category: category of the privateeter |
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358 @param key: key of the private value |
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359 @param value: value to set |
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360 @return: deferred""" |
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361 d = self.dbpool.runQuery("REPLACE INTO private_gen_bin(namespace,key,value) VALUES (?,?,?)", (namespace, key, pickle.dumps(value, 0))) |
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362 d.addErrback(lambda ignore: error(_("Can't set general private binary value (%(key)s) [namespace:%(namespace)s] in database" % |
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363 {"namespace": namespace, "key": key}))) |
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364 return d |
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365 |
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366 def setIndPrivateBinary(self, namespace, key, value, profile): |
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367 """Save the individual private binary value in database |
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368 @param namespace: namespace of the value |
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369 @param key: key of the private value |
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370 @param value: value to set |
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371 @param profile: a profile which *must* exist |
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372 @return: deferred""" |
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373 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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374 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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375 {"namespace": namespace, "key": key, "profile": profile}))) |
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376 return d |
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377 |
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378 def delGenPrivateBinary(self, namespace, key): |
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379 """Delete the general private binary value from database |
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380 @param category: category of the privateeter |
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381 @param key: key of the private value |
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382 @return: deferred""" |
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383 d = self.dbpool.runQuery("DELETE FROM private_gen_bin WHERE namespace=? AND key=?", (namespace, key)) |
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384 d.addErrback(lambda ignore: error(_("Can't delete general private binary value (%(key)s) [namespace:%(namespace)s] in database" % |
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385 {"namespace": namespace, "key": key}))) |
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386 return d |
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387 |
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388 def delIndPrivateBinary(self, namespace, key, profile): |
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389 """Delete the individual private binary value from database |
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390 @param namespace: namespace of the value |
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391 @param key: key of the private value |
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392 @param profile: a profile which *must* exist |
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393 @return: deferred""" |
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394 d = self.dbpool.runQuery("DELETE FROM private_ind_bin WHERE namespace=? AND key=? AND profile=?)", (namespace, key, self.profiles[profile])) |
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395 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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396 {"namespace": namespace, "key": key, "profile": profile}))) |
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397 return d |
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398 ##Helper methods## |
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399 |
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400 def __getFirstResult(self, result): |
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401 """Return the first result of a database query |
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402 Useful when we are looking for one specific value""" |
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403 return None if not result else result[0][0] |