diff --git a/addons/import_base/import_framework.py b/addons/import_base/import_framework.py
index aa217ce0df9..b6d22f42012 100644
--- a/addons/import_base/import_framework.py
+++ b/addons/import_base/import_framework.py
@@ -49,7 +49,6 @@ class import_framework(Thread):
     #TODO don't use context to pass credential parameters
     def __init__(self, obj, cr, uid, instance_name, module_name, email_to_notify=False, context=None):
         Thread.__init__(self)
-        #change this value to set another default field for unique ID in the external table
         self.external_id_field = 'id'
         self.obj = obj
         self.cr = cr
@@ -59,8 +58,7 @@ class import_framework(Thread):
         self.context = context or {}
         self.email = email_to_notify
         self.table_list = []
-        self.initialize()
-        
+
     """
         Abstract Method to be implemented in 
         the real instance
@@ -317,6 +315,7 @@ class import_framework(Thread):
         xml_ref = self.mapped_id_if_exist(model, domain_search, table, name)
         fields.append('id')
         data.append(xml_id)
+
         obj.import_data(self.cr, self.uid, fields, [data], mode='update', current_module=self.module_name, noupdate=True, context=self.context)
         return xml_ref or xml_id
     
@@ -361,6 +360,7 @@ class import_framework(Thread):
         self.data_started = datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S")
         self.cr = pooler.get_db(self.cr.dbname).cursor()
         try:
+            self.initialize()
             result = []
             imported = set() #to invoid importing 2 times the sames modules
             for table in self.table_list:
@@ -401,6 +401,7 @@ class import_framework(Thread):
     def _send_notification_email(self, result):
         if not self.email:
             return False	 
+
         tools.email_send(
                 'import@module.openerp',
                 self.email,
@@ -451,15 +452,20 @@ class import_framework(Thread):
     def run_test(self):
         back_get_data = self.get_data
         back_get_link = self.get_link
+        back_init = self.initialize
         self.get_data = self.get_data_test
         self.get_link = self.get_link_test
+        self.initialize = self.intialize_test
         self.run()
         self.get_data = back_get_data
         self.get_link = back_get_link
-        
+        self.initialize = back_init
         
     def get_data_test(self, table):
         return [{}]
 
     def get_link_test(self, from_table, ids, to_table):
         return {}
+    
+    def intialize_test(self):
+        pass
diff --git a/addons/import_base/mapper.py b/addons/import_base/mapper.py
index 4f34712f7ae..0827509ffab 100644
--- a/addons/import_base/mapper.py
+++ b/addons/import_base/mapper.py
@@ -18,7 +18,7 @@
 #    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 ##############################################################################
-
+import tools
 
 class mapper(object):
     """
@@ -50,14 +50,13 @@ class concat(mapper):
         Use : contact('field_name1', 'field_name2', delimiter='_')
         concat value of fields using the delimiter, delimiter is optional
         and by default is a space
-        
     """
     def __init__(self, *arg, **delimiter):
         self.arg = arg
         self.delimiter = delimiter and delimiter.get('delimiter', ' ') or ' '
         
     def __call__(self, external_values):
-        return self.delimiter.join(map(lambda x : str(external_values.get(x,'')), self.arg))
+        return self.delimiter.join(map(lambda x : tools.ustr(external_values.get(x,'')), self.arg))
     
 class ppconcat(mapper):
     """
@@ -71,7 +70,7 @@ class ppconcat(mapper):
         self.delimiter = delimiter and delimiter.get('delimiter', ' ') or '\n\n'
         
     def __call__(self, external_values):
-        return self.delimiter.join(map(lambda x : x + ": " + str(external_values.get(x,'')), self.arg))
+        return self.delimiter.join(map(lambda x : x + ": " + tools.ustr(external_values.get(x,'')), self.arg))
     
 class const(mapper):
     """
@@ -105,6 +104,7 @@ class value(mapper):
             val = external_values.get(self.fallback, self.default)
         return val 
     
+    
 class map_val(mapper):
     """
         Use : map_val(external_field, val_mapping)