MP3 renamer

rename-mp3.py

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# =============================================================================
# @file   rename-mp3.py
# @author Albert Puig (albert.puig@cern.ch)
# @date   27.02.2018
# =============================================================================
"""MP3 file renamer"""

import os
import shutil
import glob

import argparse

from mutagen.easyid3 import EasyID3


def get_file_name(file_name):
    dir_name = os.path.dirname(file_name)
    tags = EasyID3(file_name)
    if 'disknumber' in tags:
        file_name = '{:d}{:02d} - {}.mp3'.format(int(tags['disknumber'][0].split('/')[0]),
                                                 int(tags['tracknumber'][0].split('/')[0]),
                                                 tags['title'][0])
    else:
        file_name = '{:02d} - {}.mp3'.format(int(tags['tracknumber'][0].split('/')[0]),
                                             tags['title'][0])
    return os.path.join(dir_name, file_name)


def main():
    # Command line options
    parser = argparse.ArgumentParser()
    parser.add_argument("-n", "--dry-run", action='store_true')
    parser.add_argument("files", nargs='+')
    args = parser.parse_args()
    # Rename
    for file_ in args.files:
        output_file_name = get_file_name(file_)
        if file_ == output_file_name:
            print("Not moving {}, file name is already correct".format(file_))
            continue
        if not args.dry_run:
            shutil.move(file_, output_file_name)
        else:
            print("Move {} to {}".format(file_, output_file_name))


if __name__ == "__main__":
    main()

# EOF