AncestorChainMap¶
- class
AncestorChainMap
(*maps)¶ ChainMap variant that allows for the insertion of parents and ancestors.
Example
>>> from collectionish import AncestorChainMap >>> >>> child = AncestorChainMap({'b': 3, 'c': 3}) >>> child AncestorChainMap({'b': 3, 'c': 3})
add oldest ancestor:
>>> child.add_ancestor({'a': 1, 'b': 1}) >>> child AncestorChainMap({'b': 3, 'c': 3}, {'a': 1, 'b': 1})
add direct parent:
>>> child.add_parent({'a': 2, 'b': 2}) >>> child AncestorChainMap({'b': 3, 'c': 3}, {'a': 2, 'b': 2}, {'a': 1, 'b': 1})
-
add_ancestor
(ancestor)¶ add a oldest ancestor to the current chain map
-
add_parent
(parent)¶ add a parent to the current chain map
-