run.py

import gradio as gr
import yt_dlp
import os

def downloader(video_url, audio_format, audio_name):
    save_path = os.path.join(audio_name)
    ydl_opts = {
        'format': 'bestaudio/best',
        'postprocessors': [{
            'key': 'FFmpegExtractAudio',
            'preferredcodec': audio_format,
        }],
        'outtmpl': save_path,
    }

    with yt_dlp.YoutubeDL(ydl_opts) as ydl:
        ydl.download([video_url])
    return save_path

with gr.Blocks() as demo:
    gr.Markdown("# YouTube Audio Downloader")
    
    video_url = gr.Textbox(label="YouTube video link")
    audio_name = gr.Textbox(label="Audio name of YouTube audio")
    audio_format = gr.Radio(["wav", "flac", "mp3"], label="Select the output format")
    
    output = gr.Textbox(label="Output")
    
    download_button = gr.Button("Download")
    download_button.click(downloader, inputs=[video_url, audio_format, audio_name], outputs=output)

demo.launch()