#!/usr/bin/python

# apt-get install python-mutagen

import os
import os.path
import mutagen

MUSICDIR="/store/musica"
TARGET=os.path.expanduser("~/.zavai/player-info")

# Ensure there's a / in the end, which makes it easier to strip the prefix
# later
if MUSICDIR[-1] != '/':
    MUSICDIR += '/'

def names():
    for root, dirs, files in os.walk(MUSICDIR):
        for name in (f for f in files if f.endswith(".mp3")):
            fname = os.path.join(root, name)
            mf = mutagen.File(fname)
            # Scan fname somehow
            yield dict(name=fname, length=mf.info.length)

out = open(TARGET, "w")
pfxlen = len(MUSICDIR)
for info in sorted(names(), key=lambda x:x["name"]):
    name = info["name"][pfxlen:]
    print >>out, "file:", name
    print >>out, "length:", int(round(info["length"] * 1000))
    print >>out
out.close()