30 lines
728 B
Python
30 lines
728 B
Python
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import collections
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class ReplicationGraph(collections.MutableMapping):
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"""
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Structure to hold replicated data relation graph
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"""
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def __init__(self, *args, **kwargs):
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self.store = dict()
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self.update(dict(*args, **kwargs)) # use the free update to set keys
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def __getitem__(self, key):
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return self.store[self.__keytransform__(key)]
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def __setitem__(self, key, value):
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self.store[self.__keytransform__(key)] = value
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def __delitem__(self, key):
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del self.store[self.__keytransform__(key)]
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def __iter__(self):
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return iter(self.store)
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def __len__(self):
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return len(self.store)
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def __keytransform__(self, key):
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return key
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