diff --git a/tiramisu/i18n.py b/tiramisu/i18n.py
index a8825b0..a79654c 100644
--- a/tiramisu/i18n.py
+++ b/tiramisu/i18n.py
@@ -2,5 +2,33 @@
 # -*- coding: UTF-8 -*-
 
 import gettext
-gettext.translation('tiramisu', fallback=True)
+import os
+import sys
+import locale
+
+# Application Name
+APP_NAME = 'tiramisu'
+
+# Traduction dir
+APP_DIR = os.path.join (sys.prefix, 'share')
+LOCALE_DIR = os.path.join(APP_DIR, 'locale')
+
+# Default Lanugage
+DEFAULT_LANG = os.environ.get('LANG', '').split(':')
+DEFAULT_LANG += ['en_US']
+
+lc, encoding = locale.getdefaultlocale()
+if lc:
+    languages = [lc]
+
+languages += DEFAULT_LANG
+mo_location = LOCALE_DIR
+
+gettext.install(True, localedir=None, unicode=1)
+gettext.find(APP_NAME, mo_location)
+gettext.textdomain(APP_NAME)
+gettext.bind_textdomain_codeset(APP_NAME, "UTF-8")
+gettext.translation(APP_NAME, fallback=True)
+
 _ = gettext.gettext
+
diff --git a/translations/fr/tiramisu.mo b/translations/fr/tiramisu.mo
new file mode 100644
index 0000000..300e24e
Binary files /dev/null and b/translations/fr/tiramisu.mo differ
diff --git a/translations/fr/tiramisu.po b/translations/fr/tiramisu.po
new file mode 100644
index 0000000..efce9d3
--- /dev/null
+++ b/translations/fr/tiramisu.po
@@ -0,0 +1,239 @@
+# SOME DESCRIPTIVE TITLE.
+# Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER
+# This file is distributed under the same license as the PACKAGE package.
+# FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: 0.54\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2013-04-23 14:16+0200\n"
+"PO-Revision-Date: 2013-04-23 14:27+0100\n"
+"Last-Translator: \n"
+"Language-Team: Équipe EOLE <eole@ac-dijon.fr>\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"X-Generator: Poedit 1.5.5\n"
+"Language: Français\n"
+"X-Poedit-SourceCharset: UTF-8\n"
+
+#: config.py:45
+msgid "descr must be an optiondescription, not {0}"
+msgstr "descr doit être une optiondescription pas un {0}"
+
+#: config.py:200
+msgid "unknown group_type: {0}"
+msgstr "group_type inconnu: {0}"
+
+#: config.py:267
+msgid "make_dict can't filtering with value without option"
+msgstr ""
+
+#: config.py:286
+msgid "unexpected path {0}, should start with {1}"
+msgstr ""
+
+#: config.py:414
+msgid "unknown type_ type {0} for _find"
+msgstr "type_ type {0} pour _find inconnu"
+
+#: config.py:448
+msgid "no option found in config with these criteria"
+msgstr ""
+
+#: autolib.py:51
+msgid "no config specified but needed"
+msgstr "Vous devez spécifier une config"
+
+#: value.py:121
+msgid "invalid calculated value returned for option {0}: {1}"
+msgstr "Valeures calculées invalident pour l'option {0}: {1}"
+
+#: value.py:141
+msgid "invalid value {} for option {}"
+msgstr ""
+
+#: value.py:162
+msgid "no value for {1} cannot change owner to {2}"
+msgstr ""
+
+#: value.py:164 setting.py:309
+msgid "invalid generic owner {0}"
+msgstr ""
+
+#: value.py:226
+msgid "invalid len for the slave: {0} which has {1} as master"
+msgstr ""
+
+#: value.py:242
+msgid "invalid len for the master: {0} which has {1} as slave with greater len"
+msgstr ""
+
+#: value.py:262
+msgid "cannot append a value on a multi option {0} which is a slave"
+msgstr ""
+
+#: value.py:277
+msgid "invalid value {0} for option {1}"
+msgstr ""
+
+#: value.py:290
+msgid "cannot pop a value on a multi option {0} which is a slave"
+msgstr ""
+
+#: option.py:77
+msgid "Information's item not found: {0}"
+msgstr ""
+
+#: option.py:113
+msgid "invalid name: {0} for option"
+msgstr ""
+
+#: option.py:123
+msgid "validator must be a function"
+msgstr ""
+
+#: option.py:130
+msgid "a default_multi is set whereas multi is False in option: {0}"
+msgstr ""
+
+#: option.py:133
+msgid "invalid default_multi value {0} for option {1}"
+msgstr ""
+
+#: option.py:136
+msgid "defaut values not allowed if option: {0} is calculated"
+msgstr ""
+
+#: option.py:139
+msgid ""
+"params defined for a callback function but no callback defined yet for "
+"option {0}"
+msgstr ""
+
+#: option.py:158 option.py:165
+msgid "invalid default value {0} for option {1}"
+msgstr ""
+
+#: option.py:171 option.py:591
+msgid "invalid properties type {0} for {1}, must be a tuple"
+msgstr ""
+
+#: option.py:214
+msgid "invalid value {0} for option {1} which must be a list"
+msgstr ""
+
+#: option.py:315
+msgid "values must be a tuple for {0}"
+msgstr ""
+
+#: option.py:318
+msgid "open_values must be a boolean for {0}"
+msgstr ""
+
+#: option.py:452
+msgid "opt_ip must be a IPOption not {}"
+msgstr ""
+
+#: option.py:469
+msgid "unknown type for opt_ip"
+msgstr ""
+
+#: option.py:535
+msgid "unknown type_ {0} for hostname"
+msgstr ""
+
+#: option.py:571
+msgid "invalid name: {0} for option descr"
+msgstr ""
+
+#: option.py:582
+msgid "duplicate option name: {0}"
+msgstr ""
+
+#: option.py:604
+msgid "unknown Option {} in OptionDescription {}"
+msgstr "Option {} inconnue pour l'OptionDescription{}"
+
+#: option.py:667
+msgid "duplicate option: {0}"
+msgstr ""
+
+#: option.py:677
+msgid "no option for path {}"
+msgstr ""
+
+#: option.py:683
+msgid "no option {} found"
+msgstr ""
+
+#: option.py:693
+msgid "cannot change group_type if already set (old {}, new {})"
+msgstr ""
+
+#: option.py:705
+msgid "master group {} shall not have a subgroup"
+msgstr ""
+
+#: option.py:708
+msgid "not allowed option {0} in group {1}: this option is not a multi"
+msgstr ""
+
+#: option.py:718
+msgid "master group with wrong master name for {}"
+msgstr ""
+
+#: option.py:726
+msgid "the master group: {} has not any master child"
+msgstr ""
+
+#: option.py:729
+msgid "not allowed group_type : {0}"
+msgstr ""
+
+#: option.py:751
+msgid "malformed requirements type for option: {0}, must be a tuple"
+msgstr ""
+
+#: option.py:760
+msgid "malformed requirements for option: {0} invalid len"
+msgstr ""
+
+#: option.py:764
+msgid "inconsistency in action types for option: {0} action: {1}"
+msgstr ""
+
+#: setting.py:43
+msgid "Can't rebind group ({})"
+msgstr ""
+
+#: setting.py:48
+msgid "Can't unbind group ({})"
+msgstr ""
+
+#: setting.py:282
+msgid "trying to access to an option named: {0} with properties {1}"
+msgstr ""
+
+#: setting.py:290
+msgid "cannot change the value for option {0} this option is frozen"
+msgstr ""
+
+#: setting.py:302
+msgid "permissive must be a tuple"
+msgstr ""
+
+#: setting.py:372
+msgid ""
+"malformed requirements imbrication detected for option: '{0}' with "
+"requirement on: '{1}'"
+msgstr ""
+
+#: setting.py:379
+msgid "option '{0}' has requirement's property error: {1} {2}"
+msgstr ""
+
+#: setting.py:382
+msgid "required option not found: {0}"
+msgstr ""
diff --git a/translations/tiramisu.pot b/translations/tiramisu.pot
new file mode 100644
index 0000000..3a28ce6
--- /dev/null
+++ b/translations/tiramisu.pot
@@ -0,0 +1,238 @@
+# SOME DESCRIPTIVE TITLE.
+# Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER
+# This file is distributed under the same license as the PACKAGE package.
+# FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
+#
+#, fuzzy
+msgid ""
+msgstr ""
+"Project-Id-Version: PACKAGE VERSION\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2013-04-23 14:16+0200\n"
+"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
+"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
+"Language-Team: LANGUAGE <LL@li.org>\n"
+"Language: \n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=CHARSET\n"
+"Content-Transfer-Encoding: 8bit\n"
+
+#: config.py:45
+msgid "descr must be an optiondescription, not {0}"
+msgstr ""
+
+#: config.py:200
+msgid "unknown group_type: {0}"
+msgstr ""
+
+#: config.py:267
+msgid "make_dict can't filtering with value without option"
+msgstr ""
+
+#: config.py:286
+msgid "unexpected path {0}, should start with {1}"
+msgstr ""
+
+#: config.py:414
+msgid "unknown type_ type {0} for _find"
+msgstr ""
+
+#: config.py:448
+msgid "no option found in config with these criteria"
+msgstr ""
+
+#: autolib.py:51
+msgid "no config specified but needed"
+msgstr ""
+
+#: value.py:121
+msgid "invalid calculated value returned for option {0}: {1}"
+msgstr ""
+
+#: value.py:141
+msgid "invalid value {} for option {}"
+msgstr ""
+
+#: value.py:162
+msgid "no value for {1} cannot change owner to {2}"
+msgstr ""
+
+#: value.py:164 setting.py:309
+msgid "invalid generic owner {0}"
+msgstr ""
+
+#: value.py:226
+msgid "invalid len for the slave: {0} which has {1} as master"
+msgstr ""
+
+#: value.py:242
+msgid "invalid len for the master: {0} which has {1} as slave with greater len"
+msgstr ""
+
+#: value.py:262
+msgid "cannot append a value on a multi option {0} which is a slave"
+msgstr ""
+
+#: value.py:277
+msgid "invalid value {0} for option {1}"
+msgstr ""
+
+#: value.py:290
+msgid "cannot pop a value on a multi option {0} which is a slave"
+msgstr ""
+
+#: option.py:77
+msgid "Information's item not found: {0}"
+msgstr ""
+
+#: option.py:113
+msgid "invalid name: {0} for option"
+msgstr ""
+
+#: option.py:123
+msgid "validator must be a function"
+msgstr ""
+
+#: option.py:130
+msgid "a default_multi is set whereas multi is False in option: {0}"
+msgstr ""
+
+#: option.py:133
+msgid "invalid default_multi value {0} for option {1}"
+msgstr ""
+
+#: option.py:136
+msgid "defaut values not allowed if option: {0} is calculated"
+msgstr ""
+
+#: option.py:139
+msgid ""
+"params defined for a callback function but no callback defined yet for "
+"option {0}"
+msgstr ""
+
+#: option.py:158 option.py:165
+msgid "invalid default value {0} for option {1}"
+msgstr ""
+
+#: option.py:171 option.py:591
+msgid "invalid properties type {0} for {1}, must be a tuple"
+msgstr ""
+
+#: option.py:214
+msgid "invalid value {0} for option {1} which must be a list"
+msgstr ""
+
+#: option.py:315
+msgid "values must be a tuple for {0}"
+msgstr ""
+
+#: option.py:318
+msgid "open_values must be a boolean for {0}"
+msgstr ""
+
+#: option.py:452
+msgid "opt_ip must be a IPOption not {}"
+msgstr ""
+
+#: option.py:469
+msgid "unknown type for opt_ip"
+msgstr ""
+
+#: option.py:535
+msgid "unknown type_ {0} for hostname"
+msgstr ""
+
+#: option.py:571
+msgid "invalid name: {0} for option descr"
+msgstr ""
+
+#: option.py:582
+msgid "duplicate option name: {0}"
+msgstr ""
+
+#: option.py:604
+msgid "unknown Option {} in OptionDescription {}"
+msgstr ""
+
+#: option.py:667
+msgid "duplicate option: {0}"
+msgstr ""
+
+#: option.py:677
+msgid "no option for path {}"
+msgstr ""
+
+#: option.py:683
+msgid "no option {} found"
+msgstr ""
+
+#: option.py:693
+msgid "cannot change group_type if already set (old {}, new {})"
+msgstr ""
+
+#: option.py:705
+msgid "master group {} shall not have a subgroup"
+msgstr ""
+
+#: option.py:708
+msgid "not allowed option {0} in group {1}: this option is not a multi"
+msgstr ""
+
+#: option.py:718
+msgid "master group with wrong master name for {}"
+msgstr ""
+
+#: option.py:726
+msgid "the master group: {} has not any master child"
+msgstr ""
+
+#: option.py:729
+msgid "not allowed group_type : {0}"
+msgstr ""
+
+#: option.py:751
+msgid "malformed requirements type for option: {0}, must be a tuple"
+msgstr ""
+
+#: option.py:760
+msgid "malformed requirements for option: {0} invalid len"
+msgstr ""
+
+#: option.py:764
+msgid "inconsistency in action types for option: {0} action: {1}"
+msgstr ""
+
+#: setting.py:43
+msgid "Can't rebind group ({})"
+msgstr ""
+
+#: setting.py:48
+msgid "Can't unbind group ({})"
+msgstr ""
+
+#: setting.py:282
+msgid "trying to access to an option named: {0} with properties {1}"
+msgstr ""
+
+#: setting.py:290
+msgid "cannot change the value for option {0} this option is frozen"
+msgstr ""
+
+#: setting.py:302
+msgid "permissive must be a tuple"
+msgstr ""
+
+#: setting.py:372
+msgid ""
+"malformed requirements imbrication detected for option: '{0}' with "
+"requirement on: '{1}'"
+msgstr ""
+
+#: setting.py:379
+msgid "option '{0}' has requirement's property error: {1} {2}"
+msgstr ""
+
+#: setting.py:382
+msgid "required option not found: {0}"
+msgstr ""