diff --git a/bin/addons/base/ir/ir_attachment.py b/bin/addons/base/ir/ir_attachment.py
index dcd9011121b..bae2ad05b55 100644
--- a/bin/addons/base/ir/ir_attachment.py
+++ b/bin/addons/base/ir/ir_attachment.py
@@ -91,8 +91,9 @@ class ir_attachment(osv.osv):
         result = {}
         if context is None:
             context = {}
-        context['bin_size'] = False
-        for i in self.browse(cr, uid, ids, context=context):
+        ctx = context.copy()    
+        ctx['bin_size'] = False
+        for i in self.browse(cr, uid, ids, context=ctx):
             result[i.id] = False
             for format in ('png','jpg','jpeg','gif','bmp'):
                 if (i.datas_fname and i.datas_fname.lower() or '').endswith(format):
diff --git a/bin/addons/base/ir/ir_rule.py b/bin/addons/base/ir/ir_rule.py
index a2d53b4de27..d8235403ce3 100644
--- a/bin/addons/base/ir/ir_rule.py
+++ b/bin/addons/base/ir/ir_rule.py
@@ -107,6 +107,11 @@ class ir_rule(osv.osv):
         for rule in self.browse(cr, uid, ids, context):
             eval_user_data = {'user': self.pool.get('res.users').browse(cr, 1, uid),
                             'time':time}
+            if rule.operand.startswith('user.') and rule.operand.count('.') > 1:
+                #Need to check user.field.field1.field2(if field  is False,it will break the chain)
+                op = rule.operand[5:]
+                rule.operand = rule.operand[:5+len(op[:op.find('.')])] +' and '+ rule.operand + ' or False'
+            
             if rule.domain_force:
                 res[rule.id] = eval(rule.domain_force, eval_user_data)
             else:
diff --git a/bin/addons/base/res/partner/partner.py b/bin/addons/base/res/partner/partner.py
index 2e5c23c7b6c..5adcbb7ea16 100644
--- a/bin/addons/base/res/partner/partner.py
+++ b/bin/addons/base/res/partner/partner.py
@@ -166,9 +166,9 @@ class res_partner(osv.osv):
         'customer': lambda *a: 1,
         'category_id': _default_category,
     }
-    def copy(self, cr, uid, id, default=None, context={}):
+    def copy(self, cr, uid, id, default={}, context={}):
         name = self.read(cr, uid, [id], ['name'])[0]['name']
-        default.update({'name': name+' (copy)', 'events':[]})
+        default.update({'name': name+ _(' (copy)'), 'events':[]})
         return super(res_partner, self).copy(cr, uid, id, default, context)
 
     def _check_ean_key(self, cr, uid, ids):
diff --git a/bin/tools/misc.py b/bin/tools/misc.py
index 25375037bdf..d9f37ea272a 100644
--- a/bin/tools/misc.py
+++ b/bin/tools/misc.py
@@ -675,9 +675,9 @@ class cache(object):
             self.fun_default_values = dict(zip(self.fun_arg_names[-len(argspec[3]):], argspec[3]))
         
         def cached_result(self2, cr, *args, **kwargs):
-            if time.time()-self.timeout > self.lasttime:
+            if time.time()-int(self.timeout) > self.lasttime:
                 self.lasttime = time.time()
-                t = time.time()-self.timeout 
+                t = time.time()-int(self.timeout) 
                 old_keys = [key for key in self.cache if self.cache[key][1] < t]
                 for key in old_keys:
                     del self.cache[key]