Print all the keys in JSON

explore_json.py

import json

"""
This script will print all the JSON keys present in a JSON
"""

FILE = "<file_path here>"
DIVIDER = "."
ARRAY_INDICATOR = "[]"

def print_keys(json_data, prefix=""):
    for key, val in json_data.items():
        if isinstance(val, dict):
            print_keys(val, prefix+DIVIDER+key if prefix else key)
        elif isinstance(val, list):
            if len(val) > 0 and isinstance(val[0], dict):
                print_keys(val[0], prefix+DIVIDER+key+ARRAY_INDICATOR)
        else:
            # print(prefix+DIVIDER+key+","+str(type(val)) if prefix else key+","+str(type(val)))
            print(prefix+DIVIDER+key if prefix else key)

with open(FILE, "r") as f:
    json_data = json.load(f)
    print_keys(json_data)