exampe = {'Building': {
'Flat': {
'Flat_1': {
'App_1': 3,
'App_2': 5},
'Flat_2': {
'App_3': 1,
'App_4': 3
}
}
}
}with open("log.json", "r") as json_data:
guests = json.load(json_data)
json_data.close()count = guests[Building][Flat][Flat_2][App_4]
def GetVal(array,key):
result = array
for k in key.split("."): result = result[k]
return result
def SetVal(array,key,val):
def merge(a,b):
for k,v in b.items():
if k in a.keys() and isinstance(a[k],dict):
merge(a[k],v)
else:
a[k] = v
result = val
for k in key.split(".")[::-1]: result = {k:result}
merge(array,result)
return array>>> exampe = {'Building': {
'Flat': {
'Flat_1': {
'App_1': 3,
'App_2': 5},
'Flat_2': {
'App_3': 1,
'App_4': 3
}
}
}
}
>>> GetVal(exampe,"Building.Flat.Flat_2.App_4")
3
>>> SetVal(exampe,"Building.Flat.Flat_2.App_4",7)
{'Building': {'Flat': {'Flat_1': {'App_1': 3, 'App_2': 5}, 'Flat_2': {'App_3': 1, 'App_4': 7}}}}
>>> GetVal(exampe,"Building.Flat.Flat_2.App_4")
7
>>>
from functools import reduce, wraps
def silenced(*exceptions, typed=False):
def decorator(f):
@wraps(f)
def wrapper(*args, **kwargs):
try:
return f(*args, **kwargs)
except exceptions as exc:
if typed:
return exc.__class__
return None
return wrapper
return decorator
@silenced(IndexError, KeyError)
def item_getter(container, key):
if container is not None:
return container[key]
exampe = {
'Building': {
'Flat': {
'Flat_1': {
'App_1': 3,
'App_2': 5
},
'Flat_2': {
'App_3': 1,
'App_4': 3
}
}
}
}
path = ['Building', 'Flat', 'Flat_2', 'App_4']
value = reduce(item_getter, path, example)
print(value)
Простой
Простой
Простой