flatjson.py

flatjson.py

import json, sys

def combine(attr, prefix):
    return attr if prefix == "" else prefix + "." + attr

def flatjson(obj, prefix = ""):
    if isinstance(obj, list):
        print combine("len", prefix) + "\t" + str(len(obj))
        for i, row in enumerate(obj):
            flatjson(obj[i], prefix + "[" + str(i) + "]")
    elif isinstance(obj, dict):
        for attr, val in obj.items():
            flatjson(val, combine(attr, prefix))
    else:
        print prefix + "\t" + json.dumps(obj)

if __name__ == '__main__':
    flatjson(json.load(sys.stdin))