json2kvp

json2kvp.py

import json


def build_dict_prefix(current, new):
    if current:
        return '{}.{}'.format(current, new)
    return new


def build_list_prefix(current, index):
    if current:
        return '{}[{}]'.format(current, index)
    return '[{}]'.format(index)


def object_to_kvp(obj, prefix=None):
    if isinstance(obj, dict):
        for k, v in obj.iteritems():
 	   for kvp in object_to_kvp(v, prefix=build_dict_prefix(prefix, k)):
 	       yield kvp

    elif isinstance(obj, list):
        for i, v in enumerate(obj):
 	   for kvp in object_to_kvp(v, prefix=build_list_prefix(prefix, i)):
 	       yield kvp

    else:
        yield prefix, obj


def print_json_to_kvp(string):
    obj = json.loads(string)

    for k, v in object_to_kvp(obj):
        if k:
            print '{}={}'.format(k, v)
        else:
            print v