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import gradio as gr
import subprocess
import os
import glob
import shutil

def separate(audio_path):
    if os.path.exists("separated"):
        shutil.rmtree("separated")

    command = f"demucs --two-stems=vocals \"{audio_path}\""
    subprocess.run(command, shell=True)

    # find output automatically
    vocals_file = glob.glob("separated/**/vocals.wav", recursive=True)[0]
    music_file = glob.glob("separated/**/no_vocals.wav", recursive=True)[0]

    return vocals_file, music_file

demo = gr.Interface(
    fn=separate,
    inputs=gr.Audio(type="filepath"),
    outputs=[gr.File(), gr.File()],
    title="AI Vocal Remover (Demucs)"
)

demo.launch()