Mercurial > p > roundup > code
view roundup/cgi/PageTemplates/MultiMapping.py @ 6796:5ded9d537eb9
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mozilla observatory
| author | John Rouillard <rouilj@ieee.org> |
|---|---|
| date | Tue, 19 Jul 2022 22:53:35 -0400 |
| parents | 23b8e6067f7c |
| children |
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import operator class MultiMapping: def __init__(self, *stores): self.stores = list(stores) def __getitem__(self, key): for store in self.stores: if key in store: return store[key] raise KeyError(key) _marker = [] def get(self, key, default=_marker): for store in self.stores: if key in store: return store[key] if default is self._marker: raise KeyError(key) return default def __len__(self): return sum([len(x) for x in self.stores]) def push(self, store): self.stores.append(store) def pop(self): return self.stores.pop() def items(self): l = [] for store in self.stores: l = l + list(store.items()) return l
