I have a dict:
my_dict = {'some.key' : 'value'}
and i want to change it like this:
result = {'some' : {'key' : 'value'}}
how i can do this? I need to this to create nested classes using dicts:
example:
my_dict = {'nested.key' : 'value'}
class Nested:
key : str
class MyDict:
nested : Nested
CodePudding user response:
if you need this for real use, and not as a coding exercise, you can install extradict
and use extradict.NestedData
:
In [1]: from extradict import NestedData
In [2]: a = NestedData({'some.key' : 'value'})
In [3]: a["some"]
Out[3]: {'key': <str>}
In [4]: a["some"]["key"]
Out[4]: 'value'
In [5]: a.data
Out[5]: {'some': {'key': 'value'}}
(disclaimer: I am the package author)
CodePudding user response:
Not quite sure if I understand your question, but would
result = {key.split('.')[0]: {key.split('.')[1]: value} for key, value in my_dict.items()}
do the trick?
CodePudding user response:
I hope this function will help you
def foo(obj):
result = {}
for k, v in obj.items():
keys = k.split('.')
caret = result
for i in range(len(keys)):
curr_key = keys[i]
if i == len(keys) - 1:
caret[curr_key] = v
else:
caret.setdefault(curr_key, {})
caret = caret[curr_key]
return result
CodePudding user response:
with recurtion it could look like this (having all keys unique is essential):
my_dict = {'key0' : 'value0',
'nested.key' : 'value',
'nested1.nested1.key1' : 'value1',
'nested2.nested2.nested2.key2' : 'value2'}
def func(k,v):
if not '.' in k: return {k:v}
k1,k = k.split('.',1)
return {k1:func(k,v)}
res = {}
for k,v in my_dict.items():
res.update(func(k,v))
>>> res
'''
{'key0': 'value0',
'nested': {'key': 'value'},
'nested1': {'nested1': {'key1': 'value1'}},
'nested2': {'nested2': {'nested2': {'key2': 'value2'}}}}