Modify your id3 v2 info

fillid3v2.py

#!/usr/bin/env python2
import pyid3lib
import sys
if len(sys.argv) < 2 or len(sys.argv) > 3:
	sys.exit('Usage: %s filename' % sys.argv[0])
print("Modify file:\n" + sys.argv[1])
f=pyid3lib.tag(sys.argv[1])

#Title
print("")
print("Title:")
print('Current: %s' % f.title)
mtitle=raw_input("")
if len(mtitle)>0:
	f.title=mtitle

#Artist
print('Artist:')
print('Current: %s' % f.artist)
martist=raw_input("")
if len(martist)>0:
	f.artist=martist

#Album
print('Album:')
print('Current: %s' % f.album)
malbum=raw_input("")
if len(malbum)>0:
	f.album=malbum

f.update()