script to remove Windows invalid characters from filename

import re, argparse, sys, os
from colorama import just_fix_windows_console
from termcolor import cprint
from termcolor._types import Color

# thanks https://github.com/strohel/works/blob/
# 4abb93baab1d89e2275af6ec04e0b2e4351a7e76/dipl-DVD-ROM/Ceygen/support/visualize_stats.py#L#18

tempfile = "temp__batch_remove_invalid.txt"

# ----- ----- ----- ----- ----- -----
#         Arguments Handling
# ----- ----- ----- ----- ----- -----


just_fix_windows_console()
parser = argparse.ArgumentParser(
    formatter_class=argparse.RawTextHelpFormatter,
    description="""
    description:
      Transforms strings into valid filenames for Windows' Batch.

      Accepts inputs:
      -------
      list[str]
          any form

      Returns
      -------
      list[str]
          string, valid batch filename
    """, usage="")

parser.add_argument("-d", "-dbg", "--debug",
                    action="store_true",
                    help="Show debug log.")

parser.add_argument("-f",
                    dest="file",
                    help="Consume inputs from given file.")

parser.add_argument("--file",
                    dest="file",
                    help=argparse.SUPPRESS)

parser.add_argument("input",
                    nargs=argparse.REMAINDER,  # allows accepting hyphens
                    help="Input, in supported form.")

#  custom Usage
nl = "\n"
all_inputs = " ".join(["[-" + action.option_strings[0][-1:] + "]"
                       for action in parser._actions[:-1]])
last_input = parser._actions
parser.usage = f'\
    {nl}  \
    {parser.prog} \
    {all_inputs} \
    {last_input[-1].dest.upper()}'

#  flags handling
parsed = parser.parse_args(args=None if sys.argv[1:] else ['--help'])
whether_debug = parsed.debug
whether_from_file = parsed.file

if whether_from_file is not None:
    user_list = []
    with open(whether_from_file, "r") as file:
        for line in file:
            user_list.append(line.strip())
else:
    user_list = parsed.input


# ----- ----- ----- ----- ----- -----
#               Helpers
# ----- ----- ----- ----- ----- -----


def d(
    str:   None |   str = None,
    level: None |   str = None,
    color: None | Color = None
) -> None:
    '''Print debug message.'''
    if color is None:
        color = "yellow"
    if level is None:
        level = "debug"

    if whether_debug is True and level == "debug":
        cprint(f'[DEBUG] {str}', "yellow")
    if level == "none":
        cprint(f'{str}', color)


def validate(text: str):
    '''Transforms strings into valid filenames for Windows' Batch.
       Valid chars: %!@#$%'¨&()_+-=.,;
    '''
    invalids = ["\\", "/",  ":",
                "*" , "?", "\"",
                "<" , ">",  "|",
                "^", "#"
                ]
    for invalid in invalids:
        if invalid in [":", "|", "*", "?"]:
            repl = "-"
        elif invalid in "#":
            repl = ""
        else:
            repl = "_"
        text = text.replace(invalid, repl)
        # elif ".com" in invalids:
        #     repl = ""
    return text


# ----- ----- ----- ----- ----- -----
#               Main
# ----- ----- ----- ----- ----- -----

i = 0
if whether_debug is True:
    d(f"")
    d(f"  in:", "none", "yellow")
    d(f"    {user_list[0]}", "none", "yellow")

valid_filename = validate(user_list[0])

d(f"  out:", "none", "green")
d(f"    {valid_filename}", "none", "green")

with open(tempfile, 'w') as file:
    print(valid_filename, file=file)