display.py

import json
from pptree import *

content = json.loads(open('help.json').read())
d  = {}

def add_child(key, path):
  global d
  item = content[key]
  if 'action' in item:
    n = Node(item["action"], d[path])
    return None
  else:
    for option in item['options']:
      n = Node(item["title"], d[path])
      n_path = path + "-" + option
      d[n_path] = n
      add_child(option, n_path)

root = Node("root")
d["root"]=root
add_child("root", "root")

print_tree(root)