Windows Media Player M3U8 Lister - recursively lists all audio/video files for the new Windows Media Player in M3U8 files, starting from the current work directory.

wmp_m3u8_lister.py

import mimetypes
import os

out_dir = 'Playlists'
if not os.path.isdir(out_dir): os.mkdir(out_dir)


def analyse_dir(root: str):
    dir_name = os.path.basename(root)
    m3u8_path = os.path.join(out_dir, dir_name + '.m3u8')
    ignore: bool = False
    got_sth: bool = False
    if os.path.isfile(m3u8_path):
        res = input('Rewrite \"' + m3u8_path + '\"? (y | n(ignore) | <new_name>) ')
        if res == 'n':
            ignore = True
        elif res != 'y':
            m3u8_path = os.path.join(out_dir, res + '.m3u8')
    if not ignore:
        m3u8 = open(m3u8_path, 'w', encoding='utf-8')
        m3u8.write('#EXTM3U\n')
        m3u8.write('#' + dir_name + '\n')
    for f in os.listdir(root):
        file = os.path.join(root, f)
        if os.path.isdir(file):
            analyse_dir(file)
            continue
        elif ignore:
            continue
        guess = mimetypes.guess_type(file)[0]
        if guess is None or (not guess.startswith('audio') and not guess.startswith('video')): continue
        # noinspection PyUnboundLocalVariable
        m3u8.write(os.path.abspath(file) + '\n')
        got_sth = True
    if not ignore:
        m3u8.close()
    if not got_sth:
        os.remove(m3u8_path)


analyse_dir(os.getcwd())