[IMP] mass_editing: Improved the code based on error log.

mass_editing/mass_editing.py

@@ -53,6 +53,10 @@ class mass_object(orm.Model):
         'model_list': fields.char('Model List', size=256)
     }
 
+    _sql_constraints = [
+        ('name_uniq', 'unique (name)', 'Name must be unique!'),
+    ]
+
     def onchange_model(self, cr, uid, ids, model_id, context=None):
         if context is None: context = {}
         if not model_id:
@@ -98,7 +102,7 @@ class mass_object(orm.Model):
                 }, context)
         return True
 
-    def unlink_action(self, cr, uid, ids, context=None):
+    def unlink(self, cr, uid, ids, context=None):
         for template in self.browse(cr, uid, ids, context=context):
             try:
                 if template.ref_ir_act_window:
@@ -108,7 +112,14 @@ class mass_object(orm.Model):
                     ir_values_obj.unlink(cr, uid, template.ref_ir_value.id, context)
             except:
                 raise osv.except_osv(_("Warning"), _("Deletion of the action record failed."))
-        return True
+        return super(mass_object, self).unlink(cr, uid, ids, context)
+
+    def copy(self, cr, uid, record_id, default=None, context=None):
+        if default is None:
+            default = {}
+
+        default.update({'name':'','field_ids': []})
+        return super(mass_object, self).copy(cr, uid, record_id, default, context)
 
 mass_object()
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