=== modified file 'bin/tools/translate.py'
--- bin/tools/translate.py	2010-05-18 09:30:44 +0000
+++ bin/tools/translate.py	2010-08-27 13:02:24 +0000
@@ -135,11 +135,19 @@
         
         if not (cr and lang):
             args = frame.f_locals.get('args',False)
-            if args:
-                lang = args[-1].get('lang',False)
-                if frame.f_globals.get('pooler',False):
-                    cr = pooler.get_db(frame.f_globals['pooler'].pool_dic.keys()[0]).cursor()
-        
+            if args and isinstance(args,list) or isinstance(args,tuple): # if we pass args as parameters
+                if isinstance(args[-1],dict):
+                    lang = args[-1].get('lang',False)
+            if frame.f_globals.get('pooler',False):
+                cr = pooler.get_db(frame.f_globals['pooler'].pool_dic.keys()[0]).cursor()
+        if cr and not lang:
+            #If no language is found due to no context passed in methods like on_change() get the current user's language.
+            uid = frame.f_locals.get('uid',False)
+            if not uid:
+                uid = frame.f_locals.get('user',False)
+            if uid:
+                cr.execute("select context_lang from res_users where id=%s",(uid,))
+                lang = cr.fetchone()[0]
         if not (lang and cr):
             return source