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python - Get "path" of parent keys and indices in dictionary of nested dictionaries and lists - Stack Overflow


dashboard

Tue May 12 2020 22:59:54 GMT+0000 (UTC)

Posted by @kodds88 #python

# result and path should be outside of the scope of find_path to persist values during recursive calls to the function
result = []
path = []
from copy import copy

# i is the index of the list that dict_obj is part of
def find_path(dict_obj,key,i=None):
    for k,v in dict_obj.items():
        # add key to path
        path.append(k)
        if isinstance(v,dict):
            # continue searching
            find_path(v, key,i)
        if isinstance(v,list):
            # search through list of dictionaries
            for i,item in enumerate(v):
                # add the index of list that item dict is part of, to path
                path.append(i)
                if isinstance(item,dict):
                    # continue searching in item dict
                    find_path(item, key,i)
                # if reached here, the last added index was incorrect, so removed
                path.pop()
        if k == key:
            # add path to our result
            result.append(copy(path))
        # remove the key added in the first line
        if path != []:
            path.pop()

# default starting index is set to None
find_path(di,"location")
print(result)
# [['queryResult', 'outputContexts', 4, 'parameters', 'DELIVERY_ADDRESS_VALUE', 'location'], ['originalDetectIntentRequest', 'payload', 'inputs', 0, 'arguments', 0, 'extension', 'location']]
content_copy Copy

To try

https://stackoverflow.com/questions/50486643/get-path-of-parent-keys-and-indices-in-dictionary-of-nested-dictionaries-and-l