Create app.py

app.py

@@ -0,0 +1,29 @@
+import gradio as gr
+import youtube_dl
+
+def download_audio(youtube_url):
+    ydl_opts = {
+        'format': 'bestaudio/best',
+        'postprocessors': [{
+            'key': 'FFmpegExtractAudio',
+            'preferredcodec': 'mp3',
+            'preferredquality': '192',
+        }],
+        'outtmpl': 'downloads/%(title)s.%(ext)s',
+    }
+
+    with youtube_dl.YoutubeDL(ydl_opts) as ydl:
+        info_dict = ydl.extract_info(youtube_url, download=True)
+        audio_file = ydl.prepare_filename(info_dict).replace('.webm', '.mp3').replace('.m4a', '.mp3')
+    
+    return audio_file
+
+with gr.Blocks() as demo:
+    with gr.Row():
+        url_input = gr.Textbox(label="YouTube URL")
+        download_button = gr.Button("Download Audio")
+    audio_output = gr.File(label="Downloaded Audio")
+
+    download_button.click(fn=download_audio, inputs=url_input, outputs=audio_output)
+
+demo.launch()