def __iter__(self):
'''Returns a iterable over the data set'''
for k in self.__data__:
if isinstance(self.T, KeyHolder) and self.T.cls is not None:
yield store.read(k)
else:
yield k
def __getitem__(self, index):
'''Read the item stored at @index, possibly transforming it before returning it'''
value = self.__data__[index]
if isinstance(self.T, KeyHolder) and self.T.cls is not None:
return store.read(value)
else:
return value
def __getitem__(self, key):
'''Validate and possibly transform key before retreival'''
key = self.T(key)
value = self.__data__[key]
if isinstance(self.V, KeyHolder) and self.V.cls is not None:
return store.read(value)
return value
def __iter__(self):
'''Returns a iterable over the data set'''
# If we have KeyHolders with Models in them, read the Models and return them.
for k in self.__data__:
if isinstance(self.T, KeyHolder) and self.T.cls is not None:
yield store.read(k)
else:
yield k