Anonymise JSON

anon_json.py

import json
import random
import string

def random_string(length):
    return ''.join([random.choice(string.ascii_letters) for n in range(length)])

def random_bool():
    return random.choice([True, False])

def random_int(end):
    return random.randrange(0, 1000 + end)

def randomize(value):
    if isinstance(value, str):
        return random_string(len(value))
    elif isinstance(value, int):
        return random_int(value)
    elif isinstance(value, bool):
        return random_bool()
    elif isinstance(value, list):
        return [randomize(v) for v in value]
    elif isinstance(value, dict):
        return {random_string(len(k)):randomize(v) for (k, v) in value.items()}
    elif value == None:
        return value
    else:
        print("Unsupported type", key, type(value))


with open('payload.json', 'r') as f:
    payload = json.load(f)

anon = dict()


for key in payload:
    newKey = random_string(len(key))
    anon[newKey] = randomize(payload[key])


with open('anon.json', 'w') as f:
    json.dump(anon, f)