from argparse import ArgumentTypeError
import os

def get_full_path(relative_path):
    if not os.path.isabs(relative_path):
        current_dir = os.getcwd()
        full_path = os.path.join(current_dir, relative_path)
    else:
        full_path = relative_path
    
    return full_path

def dir_arg_type(path):
    full_path = get_full_path(path) 
    if os.path.isdir(full_path):
        return full_path
    else:
        raise ArgumentTypeError(f"{path} nor {full_path} are not a valid path")