corrections in dynoption/masterslaves

tiramisu/option/optiondescription.py

@@ -381,15 +381,23 @@ class OptionDescriptionWalk(CacheOptionDescription):
 
     def impl_getchildren(self,
                          config_bag,
+                         context=None,
                          dyn=True):
+        cname = None
         for child in self._impl_st_getchildren():
-            cname = child.impl_getname()
             if dyn and child.impl_is_dynoptiondescription():
+                if context is None:
+                    raise ConfigError(_('need context'))
+                if cname is None:
+                    if context.cfgimpl_get_description() == self:
+                        cname = ''
+                    else:
+                        cname = self.impl_getpath(context)
                 sconfig_bag = config_bag.copy('nooption')
                 sconfig_bag.option = child
                 for value in child._impl_get_suffixes(sconfig_bag):
                     yield SynDynOptionDescription(child,
-                                                  cname + value,
+                                                  cname,
                                                   value)
             else:
                 yield child
@@ -478,7 +486,7 @@ class OptionDescription(OptionDescriptionWalk):
         # the group_type is useful for filtering OptionDescriptions in a config
         self._group_type = groups.default
 
-    def impl_is_master_slaves(self):
+    def impl_is_master_slaves(self, *args, **kwargs):
         return False
 
     def impl_getdoc(self):