app.py

import gradio as gr
import os
import random
import subprocess

def separate_audio(audio_path, stem_count):
    print(f"{audio_path=}")
    head, tail = os.path.split(audio_path)

    gradio_temp_path = head
    audio_filename = tail.split('.')[0]
    print(f"{gradio_temp_path=}")
    print(f"{audio_filename=}")
    print(f"{stem_count=}")

    command = f"spleeter separate -p spleeter:{stem_count}stems {audio_path}"
    command = command.split()
    print(f"{command=}")

    result = subprocess.run(command)
    print(result)
    randomnumber = str(random.randint(111111111, 999999999))
    paths = []
    if stem_count == 2:
        paths.append(('Accompaniment', f"{gradio_temp_path}/separated_audio/{randomnumber}/accompaniment.wav"))
        paths.append(('Vocals', f"{gradio_temp_path}/separated_audio/{randomnumber}/vocals.wav"))
    elif stem_count == 4 or stem_count == 5:
        paths.append(('Vocals', f"{gradio_temp_path}/separated_audio/{randomnumber}/vocals.wav"))
        paths.append(('Drums', f"{gradio_temp_path}/separated_audio/{randomnumber}/drums.wav"))
        paths.append(('Bass', f"{gradio_temp_path}/separated_audio/{randomnumber}/bass.wav"))
        paths.append(('Other', f"{gradio_temp_path}/separated_audio/{randomnumber}/other.wav"))
        if stem_count == 5:
            paths.append(('Piano', f"{gradio_temp_path}/separated_audio/{randomnumber}/piano.wav"))

    return paths

iface = gr.Interface(
    fn=separate_audio,
    inputs=[gr.Audio(type="filepath"), gr.Radio([2, 4, 5])],
    outputs="text",
)

iface.launch()