Python script to print unit8 array in string utf8 format or int (it does not care about non utf8 data)

toout.py

#!~/.pyenv/shims/python3

# Usage
# string: it can only be used with data that are utf8 converible, otherwise error is shown
# toout.py [6,0,0,0,104,101,108,108,111,51]
# Output:
# hello3
# ---
# toout.py [3,0,0,0] int
# Output:
# 3

import sys
import json
import re
import sys
from enum import Enum

OutputType = Enum('OutputType', ['UTF8', 'INT'])

if len(sys.argv) < 2 or len(sys.argv) > 3:
  print(f"Expecting one argument of json array listing uint items, and optional argument of decoding type. Provided arguments: '{sys.argv}'")
  exit(1)

json_string = sys.argv[1]
json_string = json_string.strip()

convert_to = OutputType.UTF8
if len(sys.argv) == 3:
  output_type_arg = sys.argv[2].upper()
  if re.match('INT|INTEGER|UINT|NUMBER', output_type_arg):
      convert_to = OutputType.INT

if not json_string.startswith("["):
  json_string = "[" + json_string + "]" 

if not "," in json_string:
  json_string = re.sub(r'\s+', ' ', json_string)
  json_string = json_string.replace(" ", ",")

if '"' in json_string or "'" in json_string:
  json_string = re.sub(r'"', '', json_string)
  json_string = re.sub(r"'", '', json_string)

json_data = json.loads(json_string)
byte_array = bytearray(json_data)

if convert_to == OutputType.UTF8:
    print(byte_array.decode('utf-8'))
elif convert_to == OutputType.INT:
    # Solana encoding is Little Endian
    print(int.from_bytes(byte_array, 'little'))
else:
   print('Unexpected error!', file=sys. stderr)