Simple function to encode wav/flac to opus in given folder

to_opus.py

def to_opus(folder='.', ext='flac', bitrate=48):
    from os import cpu_count
    from pathlib import Path
    from concurrent.futures import ThreadPoolExecutor
    from subprocess import call
    file_list = [file.name for file in Path(folder).iterdir() if file.is_file() and ext in file.name]
    commands = [f'opusenc --bitrate {bitrate} --framesize 60 --discard-pictures --quiet "{file}" "{file.replace(ext, "opus")}"' for file in file_list]
    with ThreadPoolExecutor(max_workers=cpu_count()) as executor:
        for command in executor.map(call, commands):
            pass