Script to count the total time in a directory full of MP3s

playtime.py

from os import walk
from os.path import join
from subprocess import check_output

SEC_PER_MIN = 60
SEC_PER_HOUR = 60 * SEC_PER_MIN
SEC_PER_DAY = 24 * SEC_PER_HOUR


def split_time(seconds):
    days, seconds = divmod(seconds, SEC_PER_DAY)
    hours, seconds = divmod(seconds, SEC_PER_HOUR)
    minutes, seconds = divmod(seconds, SEC_PER_MIN)
    return days, hours, minutes, seconds


def get_song_seconds(path):
    len_str = check_output(['mp3info', '-p', '%S', path])
    return int(len_str)


def all_song_lengths(base_path):
    for dirpath, dirnames, filenames in walk(base_path):
        for filename in filenames:
            if filename.endswith('.mp3'):
                yield get_song_seconds(join(dirpath, filename))


def main():
    total_seconds = sum(all_song_lengths('.'))
    print 'Total Seconds:', total_seconds
    days, hours, minutes, seconds = split_time(total_seconds)
    print "{} day{}, {} hour{}, {} minute{}, {} second{}".format(
        days, 's' if days != 1 else '',
        hours, 's' if hours != 1 else '',
        minutes, 's' if minutes != 1 else '',
        seconds, 's' if seconds != 1 else '')


if __name__ == '__main__':
    main()