add parents method to MetaConfig

tests/test_multi_parents.py

@@ -45,6 +45,9 @@ def test_multi_parents_path_same():
     assert metacfg2.config.path() == 'metacfg1.metacfg2'
     assert metacfg3.config.path() == 'metacfg1.metacfg3'
     assert cfg1.config.path() == 'metacfg1.metacfg3.metacfg1.metacfg2.cfg1'
+    metacfg1.option('od1.i1').value.set(1)
+    metacfg3.option('od1.i1').value.set(2)
+    assert cfg1.option('od1.i1').value.get() == 1
     orideep = cfg1.config.deepcopy(metaconfig_prefix="test_", session_id='test_cfg1')
     deep = orideep
     while True:
@@ -55,11 +58,11 @@ def test_multi_parents_path_same():
         assert len(children) < 2
         deep = children[0]
     assert deep.config.path() == 'test_metacfg3.test_metacfg1.test_metacfg2.test_cfg1'
+    assert cfg1.option('od1.i1').value.get() == 1
     del orideep
     raises(ConfigError, "deep.config.path()")
 
 
-
 def test_multi_parents_value():
     metacfg1 = make_metaconfig()
     cfg1 = metacfg1.config.new(type='config', session_id="cfg1")

tiramisu/__init__.py

@@ -45,4 +45,4 @@ allfuncs.extend(all_options)
 del(all_options)
 __all__ = tuple(allfuncs)
 del(allfuncs)
-__version__ = "3.0rc14"
+__version__ = "3.0rc15"

tiramisu/api.py

@@ -1445,6 +1445,11 @@ class _TiramisuContextMixConfig(_TiramisuContextGroupConfig, _TiramisuContextCon
         """Add config from MetaConfig"""
         self._config_bag.context.add_config(config)
 
+    def parents(self):
+        """Get all parents of current config"""
+        for parent in self._config_bag.context.get_parents():
+            yield self._return_config(parent)
+
 
 class _TiramisuContextMetaConfig(_TiramisuContextMixConfig):
     """Actions to MetaConfig"""