prepare_max_help.py

import sys
import json
from pathlib import Path

help_file_input = Path(sys.argv[1])

s = ''
with open(help_file_input, 'r') as f:
    s = f.read()
    s = s.replace('"default_fontsize" : 12.0', '"default_fontsize" : 13.0')
    s = s.replace('"gridsize" : [ 15.0, 15.0 ]', '"gridsize" : [ 10.0, 10.0 ]')
    s = s.replace('"gridonopen" : 1', '"gridonopen" : 2')
    s = s.replace('"gridsnaponopen" : 1', '"gridsnaponopen" : 2')

with open(help_file_input, 'w') as f:
    f.write(s)