File size: 756 Bytes
2b06d1d | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 | import json
from collections.abc import Mapping
def to_key(value):
return json.dumps(value)
def insert(value, index, values):
key = to_key(value)
if key not in index:
index[key] = len(values)
values.append(value)
return len(values) - 1
return index.get(key)
def flatten(data, index, values):
if isinstance(data, (list, tuple)):
flattened = [flatten(child, index, values) for child in data]
elif isinstance(data, Mapping):
flattened = {key: flatten(child, index, values) for key, child in data.items()}
else:
flattened = data
return insert(flattened, index, values)
def crunch(data):
index = {}
values = []
flatten(data, index, values)
return values
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