This script helps you explore json file structure by remove [1:] elements from every array recursively. It's usefull when you have a big event giant json file and want to have a glance at it structure. It's in python2 style.

explore_json_structure.py

# coding: utf-8
import json
import codecs
import sys


def parse_json(data):
    global depth
    depth += 1
    if type(data) == list:
        if len(data) > 0 and type(data[0]) in (dict, list):
            data = [parse_json(data[0])]
            depth -= 1
            print("\t" * (depth - 1) + str(depth))
        # if has 2 plain values, maybe a "list style dict"
        if len(data) > 2:
            data = [data[0]]
        return data
    elif type(data) == dict:
        data2 = {}
        for k, v in data.iteritems():
            if type(v) in (dict, list):
                v = parse_json(v)
                depth -= 1
            print("\t" * (depth - 1) + str(depth))
            data2[k] = v
        return data2
    print("\t" * (depth - 1) + str(depth))
    return data


depth = 0
data = json.loads(codecs.open(sys.argv[1], "r", "utf-8").read())
codecs.open(sys.argv[1] + "_sturcture.json", "w", "utf-8").write(json.dumps(parse_json(data)))