libs/rename_file.py

import os

s1 = u'ÀÁÂÃÈÉÊÌÍÒÓÔÕÙÚÝàáâãèéêìíòóôõùúýĂăĐđĨĩŨũƠơƯưẠạẢảẤấẦầẨẩẪẫẬậẮắẰằẲẳẴẵẶặẸẹẺẻẼẽẾếỀềỂểỄễỆệỈỉỊịỌọỎỏỐốỒồỔổỖỗỘộỚớỜờỞởỠỡỢợỤụỦủỨứỪừỬửỮữỰựỲỳỴỵỶỷỸỹ'
s0 = u'AAAAEEEIIOOOOUUYaaaaeeeiioooouuyAaDdIiUuOoUuAaAaAaAaAaAaAaAaAaAaAaAaEeEeEeEeEeEeEeEeIiIiOoOoOoOoOoOoOoOoOoOoOoOoUuUuUuUuUuUuUuYyYyYyYy'
def remove_accents(input_str):
	s = ''
	input_str.encode('utf-8')
	for c in input_str:
		if c in s1:
			s += s0[s1.index(c)]
		else:
			s += c
	return s


os.chdir('./cached/audio')

for count, f in enumerate(os.listdir()):
    f_name, f_ext = os.path.splitext(f)

    f_name = remove_accents(f_name).lower().replace(" ","-")

    new_name = f'{f_name}{f_ext}'

    os.rename(f, new_name)