I have a string:
str_rfrnc = '["text"]["title"]["res"]["din"]'
I load a json:
data = json.loads(myjson)
The below code works fine:
print(data["text"]["title"]["res"]["din"])
How to use the string for the same result as above?
print(data[str_rfrnc]) #This fails
This is the simplest solution that works:
>>> str_rfrnc = '["text"]["title"]["res"]["din"]'
>>> data = { 'text': { 'title': { 'res': { 'din': 10 } } } }
>>> eval('data' + str_rfrnc)
10
Note that you should use eval only if you trust the contents of str_rfrnc.
This is a solution that doesn't use eval:
>>> from operator import getitem
>>> from functools import reduce
>>> from re import split
>>> str_rfrnc = '["text"]["title"]["res"]["din"]'
>>> data = { 'text': { 'title': { 'res': { 'din': 10 } } } }
>>> fields = split(r'[\[\]"]+', str_rfrnc)[1:-1]
>>> fields
['text', 'title', 'res', 'din']
>>> reduce(getitem, fields, data)
10