Create app.py

app.py

@@ -0,0 +1,49 @@
+import spaces
+import demucs.separate
+import subprocess
+import os
+import uuid
+import streamlit as st
+from pydub import AudioSegment
+import shutil
+
+st.title("Karaoke")
+url = st.text_input("Enter spotify song URL")
+button = st.button("Process")
+
+@spaces.GPU
+if button:
+    with st.spinner("Processing"):
+        uuid_str = str(uuid.uuid4())
+        cmd = f"spotdl {url} --output audio{uuid_str}"
+        subprocess.run(cmd, shell=True)
+        files = os.listdir(f"audio{uuid_str}")
+        audio_files = [
+            file for file in files if file.endswith((".mp3", ".wav", ".ogg"))
+        ]
+        old_path = os.path.join(f"audio{uuid_str}", audio_files[0])
+        new_path = os.path.join(f"audio{uuid_str}", "audio.mp3")
+        os.rename(old_path, new_path)
+
+        demucs.separate.main(
+            [
+                "--mp3",
+                "--two-stems",
+                "vocals",
+                "-n",
+                "htdemucs",
+                "-d",
+                "cpu",
+                new_path,
+                "-o",
+                f"output{uuid_str}",
+            ]
+        )
+
+        sound = AudioSegment.from_mp3(f"./output{uuid_str}/htdemucs/audio/no_vocals.mp3")
+        sound.export("output.mp3", format="mp3", bitrate="192k")
+
+        shutil.rmtree(f"audio{uuid_str}")
+        shutil.rmtree(f"output{uuid_str}")
+
+        st.audio("output.mp3", format="audio/mp3")