--- a/src/memory/memory.py	Sat Apr 19 16:48:26 2014 +0200
+++ b/src/memory/memory.py	Sat Apr 19 19:19:19 2014 +0200
@@ -24,7 +24,8 @@
 from xdg import BaseDirectory
 from ConfigParser import SafeConfigParser, NoOptionError, NoSectionError
 from uuid import uuid4
-from logging import debug, info, warning, error
+from sat.core.log import getLogger
+log = getLogger(__name__)
 from twisted.internet import defer, reactor
 from twisted.words.protocols.jabber import jid
 from sat.core import exceptions
@@ -61,7 +62,7 @@
 
     def _purgeSession(self, session_id):
         del self._sessions[session_id]
-        debug("Session [%s] purged" % session_id)
+        log.debug("Session [%s] purged" % session_id)
 
     def __len__(self):
         return len(self._sessions)
@@ -97,7 +98,7 @@
             timer.cancel()
             self._purgeSession(session_id)
         except KeyError:
-            debug ("Session [%s] doesn't exists, timeout expired ?" % session_id)
+            log.debug ("Session [%s] doesn't exists, timeout expired ?" % session_id)
 
     def keys(self):
         return self._sessions.keys()
@@ -110,7 +111,7 @@
     """This class manage all persistent informations"""
 
     def __init__(self, host):
-        info(_("Memory manager init"))
+        log.info(_("Memory manager init"))
         self.initialized = defer.Deferred()
         self.host = host
         self._entities_cache = {} # XXX: keep presence/last resource/other data in cache
@@ -123,7 +124,7 @@
         self.storage = SqliteStorage(database_file, host.__version__)
         PersistentDict.storage = self.storage
         self.params = Params(host, self.storage)
-        info(_("Loading default params template"))
+        log.info(_("Loading default params template"))
         self.params.load_default_params()
         d = self.storage.initialized.addCallback(lambda ignore: self.load())
         self.memory_data = PersistentDict("memory")
@@ -136,7 +137,7 @@
         try:
             config.read(C.CONFIG_FILES)
         except:
-            error(_("Can't read main config !"))
+            log.error(_("Can't read main config !"))
         return config
 
     # XXX: tmp update code, will be removed in the future
@@ -148,7 +149,7 @@
             return  # nothing to do
         old_default = '~/.sat'
         if os.path.isfile(os.path.expanduser(old_default) + '/' + C.SAVEFILE_DATABASE):
-            warning(_("A database has been found in the default local_dir for previous versions (< 0.5)"))
+            log.warning(_("A database has been found in the default local_dir for previous versions (< 0.5)"))
             config = SafeConfigParser()
             target_file = None
             for file_ in C.CONFIG_FILES[::-1]:
@@ -164,7 +165,7 @@
             config.set('', 'local_dir', old_default)
             with open(target_file, 'wb') as configfile:
                 config.write(configfile)  # for the next time that user launches sat
-            warning(_("Auto-update: local_dir set to %(path)s in the file %(config_file)s") % {'path': old_default, 'config_file': file_})
+            log.warning(_("Auto-update: local_dir set to %(path)s in the file %(config_file)s") % {'path': old_default, 'config_file': file_})
             default = old_default
         else:  # use the new default local_dir
             default = C.DEFAULT_LOCAL_DIR
@@ -200,10 +201,10 @@
         if os.path.exists(filename):
             try:
                 self.params.load_xml(filename)
-                debug(_("Parameters loaded from file: %s") % filename)
+                log.debug(_("Parameters loaded from file: %s") % filename)
                 return True
             except Exception as e:
-                error(_("Can't load parameters from file: %s") % e)
+                log.error(_("Can't load parameters from file: %s") % e)
         return False
 
     def load(self):
@@ -219,18 +220,18 @@
     def startProfileSession(self, profile):
         """"Iniatialise session for a profile
         @param profile: %(doc_profile)s"""
-        info(_("[%s] Profile session started" % profile))
+        log.info(_("[%s] Profile session started" % profile))
         self._entities_cache[profile] = {}
 
     def purgeProfileSession(self, profile):
         """Delete cache of data of profile
         @param profile: %(doc_profile)s"""
-        info(_("[%s] Profile session purge" % profile))
+        log.info(_("[%s] Profile session purge" % profile))
         self.params.purgeProfile(profile)
         try:
             del self._entities_cache[profile]
         except KeyError:
-            error(_("Trying to purge roster status cache for a profile not in memory: [%s]") % profile)
+            log.error(_("Trying to purge roster status cache for a profile not in memory: [%s]") % profile)
 
     def save_xml(self, filename=None):
         """Save parameters template to xml file"""
@@ -240,10 +241,10 @@
         filename = os.path.expanduser(filename)
         try:
             self.params.save_xml(filename)
-            debug(_("Parameters saved to file: %s") % filename)
+            log.debug(_("Parameters saved to file: %s") % filename)
             return True
         except Exception as e:
-            error(_("Can't save parameters to file: %s") % e)
+            log.error(_("Can't save parameters to file: %s") % e)
         return False
 
     def getProfilesList(self):
@@ -312,7 +313,7 @@
             if "presence" in self._entities_cache[profile][entity]:
                 entities_presence[entity] = self._entities_cache[profile][entity]["presence"]
 
-        debug("Memory getPresenceStatus (%s)", entities_presence)
+        log.debug("Memory getPresenceStatus (%s)", entities_presence)
         return entities_presence
 
     def setPresenceStatus(self, entity_jid, show, priority, statuses, profile_key):
@@ -393,7 +394,7 @@
             try:
                 del entity_data[key]
             except KeyError:
-                debug("Key [%s] doesn't exist for [%s] in entities_cache" % (key, entity_jid.full()))
+                log.debug("Key [%s] doesn't exist for [%s] in entities_cache" % (key, entity_jid.full()))
 
     def getEntityData(self, entity_jid, keys_list, profile_key):
         """Get a list of cached values for entity
@@ -454,7 +455,7 @@
             try:
                 del self._entities_cache[profile][entity]
             except KeyError:
-                debug("Can't delete entity [%s]: not in cache" % entity.full())
+                log.debug("Can't delete entity [%s]: not in cache" % entity.full())
 
     def addWaitingSub(self, type_, entity_jid, profile_key):
         """Called when a subcription request is received"""
@@ -475,7 +476,7 @@
         """Called to get a list of currently waiting subscription requests"""
         profile = self.getProfileName(profile_key)
         if not profile:
-            error(_('Asking waiting subscriptions for a non-existant profile'))
+            log.error(_('Asking waiting subscriptions for a non-existant profile'))
             return {}
         if profile not in self.subscriptions:
             return {}