audacity_to_mp3splt.py

import re
from os import system

"""
expected time formats:
    audacity: seconds.000000
    mp3splt:  minutes.seconds.00
"""

def time_format(seconds_str):
    seconds = int(seconds_str)
    m, s = divmod(seconds, 60)
    return str(m) + '.' + str(s)


chapters_file = open('audacity_labels_out.txt', 'r')

while True:
    
    chapter_line = chapters_file.readline()
    if chapter_line == '':
        break
    
    strs = chapter_line.split('\t')
    
    t1_old = strs[0][0:-5]  # time in seconds with one digit after the point
    t2_old = strs[1][0:-5]
    
    name_raw = strs[2][0:-1]
    name_spaces = name_raw.replace(' ', '\ ')
    name_underscores = name_raw.replace(' ', '_')
    
    [t1_s, t1_ds] = t1_old.split('.')
    [t2_s, t2_ds] = t2_old.split('.')
    
    t1 = time_format(t1_s) + '.' + t1_ds + '0'
    t2 = time_format(t2_s) + '.' + t2_ds + '0'
    

    #                    original    start end        tags             target file
    command = 'mp3splt   uncut.mp3   {t1} {t2}   -g %[@o,@t={ns}]   -o chapters/{nu}'.format(
        t1=t1,
        t2=t2, 
        ns=name_spaces,
        nu=name_underscores
    )
    system(command)