little helper for comments in JSON

json_comment.py

#!/usr/bin/env python3

import json
import sys

def uncomment_line(line):
    # print('uncommenting', line)
    i = line.find('//')
    if i == -1:
        return line
    rq = line.find('"', i)
    if rq != -1 and line.rfind('"', 0, i) != -1:
        return line[:rq+1] + uncomment_line(line[rq+1:])
    return line[:i]

def uncomment_line_wo_recursion(line):
    ret = ''
    while line:
        i = line.find('//')
        if i == -1:
            ret += line
            break
        rq = line.find('"', i)
        if rq != -1 and line.rfind('"', 0, i) != -1:
            ret += line[:rq+1]
            line = line[rq+1:]
        else:
            ret += line[:i]
            break
    return ret



def uncomment(s):
    r = ''
    for l in s.split('\n'):
        r += uncomment_line_wo_recursion(l)
    return r

if __name__ == '__main__':
    print(json.loads(uncomment_line_wo_recursion('{"foo": [' + ','.join(['"a//a"'] * 10000) + ']}')))