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support nested key get/set #144

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support nested key get/set #144

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28 changes: 28 additions & 0 deletions addict/addict.py
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Original file line number Diff line number Diff line change
Expand Up @@ -29,6 +29,34 @@ def __setattr__(self, name, value):
else:
self[name] = value

def __getitem__(self, key):
if '.' in key:
# foo.bar
first, rest = key.split('.', 1)
if first.endswith(']'):
# foo[0].bar
first = first[:-1]
first, index_or_slice = first.split('[', 1)
if ':' in index_or_slice:
# slice
slice_param = [int(i) for i in index_or_slice.split(':')]
return super().__getitem__(first)[slice(*slice_param)][rest]
else:
# index
return super().__getitem__(first)[int(index_or_slice)][rest]
else:
return super().__getitem__(first)[rest]
elif key.endswith(']'):
key = key[:-1]
first, index_or_slice = key.split('[', 1)
if ':' in index_or_slice:
slice_param = [int(i) for i in index_or_slice.split(':')]
return super().__getitem__(first)[slice(*slice_param)]
else:
return super().__getitem__(first)[int(index_or_slice)]
else:
return super().__getitem__(key)

def __setitem__(self, name, value):
isFrozen = (hasattr(self, '__frozen') and
object.__getattribute__(self, '__frozen'))
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