remove all properties

tiramisu/setting.py

@@ -657,19 +657,20 @@ class Settings(object):
 
     def reset(self,
               option_bag,
-              context):
+              context,
+              all_properties=False):
         if option_bag is None:
             opt = None
         else:
             opt = option_bag.option
+        if all_properties and option_bag:
+            raise ValueError(_('opt and all_properties must not be set '
+                               'together in reset'))
         if opt and opt.impl_is_symlinkoption():
             raise TypeError(_("can't reset properties to the symlinkoption \"{}\""
                               "").format(opt.impl_get_display_name()))
-        #if all_properties and (path or opt):
-        #    raise ValueError(_('opt and all_properties must not be set '
-        #                       'together in reset'))
-        #if all_properties:
-        #    self._p_.reset_all_properties()
+        if all_properties:
+            self._p_.reset_all_properties()
         else:
             if opt is not None:
                 path = option_bag.path