mirror of
https://github.com/Balshgit/different
synced 2025-09-12 01:20:43 +03:00
73 lines
1.9 KiB
Python
73 lines
1.9 KiB
Python
"""
|
||
Есть абстрактная задача:
|
||
|
||
У нас есть лес из json массива
|
||
|
||
Гораздо дешевле в качестве транспорта их передавать в виде списка кортежей
|
||
|
||
(вида ключ: значение),
|
||
|
||
(ключ.ключ: значение)
|
||
|
||
Пример:
|
||
"""
|
||
import json
|
||
from typing import Any, List, Tuple
|
||
|
||
forest = {'b': 1,
|
||
'c': {'d': 2,
|
||
'f': 3,
|
||
},
|
||
'e': {'i': 4,
|
||
'j': {'k': 5,
|
||
'l': 6,
|
||
},
|
||
},
|
||
'm': {'n': 7,
|
||
'o': {'p': 8,
|
||
'r': {'s': 9,
|
||
't': 10,
|
||
},
|
||
},
|
||
},
|
||
}
|
||
|
||
# Переводим в такой вид:
|
||
result = [('b', 1), ('c.d', 2), ('c.f', 3), ('e.i', 4), ('e.j.k', 5), ('e.j.l', 6), ('m.n', 7),
|
||
('m.o.p', 8), ('m.o.r.s', 9), ('m.o.r.t', 10), ]
|
||
|
||
|
||
def dict_to_list(sub_tree: dict, current_name: str, items_list: List[tuple]) -> List[tuple]:
|
||
|
||
for key in sub_tree:
|
||
if isinstance(sub_tree[key], dict):
|
||
dict_to_list(sub_tree=sub_tree[key], current_name=current_name + key, items_list=items_list)
|
||
else:
|
||
items_list.append(('.'.join(current_name + key), sub_tree[key]))
|
||
return items_list
|
||
|
||
|
||
res = dict_to_list(forest, '', [])
|
||
print(res)
|
||
|
||
|
||
# Reverse task:
|
||
|
||
|
||
def list_to_dict(data: List[Tuple['str', int]]) -> dict:
|
||
tree = {}
|
||
for item in data:
|
||
curr_tree = tree
|
||
keys = item[0].split('.')
|
||
for i in range(0, len(keys)):
|
||
if i == len(keys) - 1:
|
||
curr_tree[keys[i]] = item[1]
|
||
elif keys[i] not in curr_tree:
|
||
curr_tree[keys[i]] = {}
|
||
curr_tree = curr_tree[keys[i]]
|
||
return tree
|
||
|
||
|
||
parsed = json.dumps(list_to_dict(result), indent=4)
|
||
print(parsed)
|