app.py

import os
import gradio as gr
from scipy.io.wavfile import write


def inference(audio):
  os.makedirs("out", exist_ok=True)
  write('test.wav', audio[0], audio[1])
  os.system("python3 -m demucs.separate -n mdx_extra_q -d cpu test.wav -o out")
  return "./out/mdx_extra_q/test/vocals.wav","./out/mdx_extra_q/test/bass.wav",\
"./out/mdx_extra_q/test/drums.wav","./out/mdx_extra_q/test/other.wav"
  
title = "Audio separation"
description = ""
article = ""

# examples=[['test.mp3']]
gr.Interface(
    inference, 
    gr.components.Audio(type="numpy", label="Input"), 
    [gr.components.Audio(type="filepath", label="Vocals"),gr.components.Audio(type="filepath", label="Bass"),gr.components.Audio(type="filepath", label="Drums"),gr.components.Audio(type="filepath", label="Other")],
    title=title,
    description=description,
    article=article,
    # examples=examples
    ).launch()