Created by request in /r/twitch: https://www.reddit.com/r/Twitch/comments/4q1ygm/anybody_good_with_json_and_obs/

parse_json_for_obs.py

import json
import argparse

from time import sleep

def parse_args():
    parser = argparse.ArgumentParser()
    parser.add_argument('input_file', metavar='INPUT')
    parser.add_argument('output_file', metavar='OUTPUT')

    return parser.parse_args()

args=parse_args()

while True:
    try:
        with open(args.input_file) as myinput:
            myjson = json.load(myinput)
        with open(args.output_file, 'w') as myoutput:
            myoutput.write("%s - %s" % (myjson['song']['artist'], myjson['song']['title']))
    except FileNotFoundError as e:
        print("Couldn't find file '%s'" % e)
    sleep(10)

Traceback (most recent call last): File "C:\Users\epicl\Desktop\artist_info_pvfm.py", line 21, in <module> except FileNotFoundError as e: NameError: name 'FileNotFoundError' is not defined