symuid/symuid-import-cmus

#!/usr/bin/env python3
# -*- coding: utf-8 -*-

import datetime as dt
import os
import re
import symuid
# import symuid.library.cmus
import sys

CACHE_LINE_SEPARATOR = b'\xff'*56
CACHE_COLUMN_SEPARATOR = b'\x00'

def symuid_import_cmus(cache_path):
    with open(os.path.expanduser(cache_path), 'rb') as f:
        cache_data = [l.split(CACHE_COLUMN_SEPARATOR) for l in f.read().split(CACHE_LINE_SEPARATOR)]
    for track_data in cache_data[1:]:
        track_path = track_data[0]
        if not os.path.exists(track_path):
            sys.stderr.write('{!r}: not found\n'.format(track_path))
        else:
            print(track_path)

def _init_argparser():
    import argparse
    argparser = argparse.ArgumentParser(description=None)
    argparser.add_argument(
        'cache_path',
        nargs='?',
        default='~/.config/cmus/cache',
        help='(default: %(default)r)',
    )
    return argparser


def main(argv):
    argparser = _init_argparser()
    args = argparser.parse_args(argv[1:])
    symuid_import_cmus(**vars(args))
    return 0

if __name__ == "__main__":
    sys.exit(main(sys.argv))