replay_gain

#!/usr/bin/env python3
import os
import subprocess
import pathlib

gain_bin = {'flac': ['metaflac', '--add-replay-gain'],
            'mp3': ['replaygain', '-f'],
            'ogg': ['vorbisgain', '-a', '-f'],
            }

def call_ignore_exception(command):
    try:
        print("Running " + " ".join(command))
        subprocess.check_call(command)
    except subprocess.CalledProcessError:
        pass


def get_files_pth_s(pth, ext):
    pth = pathlib.PosixPath(pth)
    pth_s = list(pth.glob('*.' + ext))
    return sorted([str(pt) for pt in pth_s])


def replay_gain(folder_pth):
    for ext in gain_bin.keys():
        pth_s = get_files_pth_s(folder_pth, ext)
        if pth_s:
            command = gain_bin[ext] + pth_s
            call_ignore_exception(command)

if __name__ == '__main__':
    for a, b, _ in os.walk('.'):
        for d in b:
            folder_pth = a + "/" + d
            replay_gain(folder_pth)
    print("Done")