List all files in dir and subdir

list_files.py

import os
from fnmatch import fnmatch


def list_files(dir_name: str, include: Iterable = None, exclude: Iterable = None) -> list:
    """
    Get all files in a directory excluding ignored files.
    :param dir_name: str, the root directory.
    :param include: Iterable, the patterns to include.
    :param exclude: Iterable, the patterns to exclude.
    :return: list, the files with full path.
    """
    if not exclude:
        exclude = []
    if not include:
        include = []

    list_of_file = os.listdir(dir_name)
    all_files = []

    for entry in list_of_file:
        full_path = os.path.abspath(os.path.join(dir_name, entry))
        for pattern in exclude:
            if fnmatch(os.path.split(full_path)[-1], pattern):
                break
        else:
            if os.path.isdir(full_path):
                all_files += list_files(full_path, include, exclude)
            else:
                if not include:
                    all_files.append(full_path)
                else:
                    for pattern in include:
                        if fnmatch(os.path.split(full_path)[-1], pattern):
                            all_files.append(full_path)
                            continue

    return all_files