appdata/utils.py
from functools import lru_cache
from pathlib import Path
from typing import Optional
@lru_cache()
def get_home_folder():
return Path.home().absolute()
@lru_cache()
def prepare_ext(ext: Optional[str]):
if ext and len(ext) != 0:
while ext.startswith('..'):
ext = ext[1:]
if len(ext) == 1 and ext[0] == '.':
ext = ''
if len(ext) != 0:
if ext[0] != '.':
ext = '.' + ext
return ext or ''