funscript_delayer.py

import json
import sys

FILE = sys.argv[1]
DELAY = int(sys.argv[2])

file = open(FILE, "r")
data = json.loads(file.read())

for action in data["actions"]:
    action["at"] += DELAY

if "rawActions" in data:
    for action in data["rawActions"]:
        action["at"] += DELAY

open(FILE, "w").write(json.dumps(data, separators=(',',':')))

print("Done, " + str(len(data["actions"])) + " changes made")