changeMetdata.py

import os
import sys
Switch_command="""ffmpeg -i {0}.noMdata.mp3  -i {1} -map 0:0 -map 1:0 -c copy -id3v2_version 3 
    -metadata:s:v title='{2}'   {0}.mp3"""

work_dir=sys.argv[1]
splice="Kaleo - "
artist="Kaleo"
album_name="Kaleo Singles"
cover="uis/cover.jpg"
os.chdir(work_dir)

def spliceAll():
    for song in os.listdir("."):
        os.rename(song,song.replace(splice,''))
        print(song.replace(splice,''))

def addMetadata(artist,cover,album_name):
    for song in os.listdir("."):
        print(song)
        if song.endswith(".mp3")==False:
            continue
        os.rename(song,song+".noMdata")
        Switch_command.format(song,cover,album_name)

def clean():
    for song in os.listdir("."):
        os.rename(song,song.replace(".mp3.noMdata",".mp3"))
spliceAll()
addMetadata(artist,cover,album_name)
clean()