giving generated midi a unique name

README.md

@@ -4,7 +4,7 @@ emoji: 😻
 colorFrom: green
 colorTo: pink
 sdk: gradio
-sdk_version: 5.42.0
+sdk_version: 5.28.0
 app_file: app.py
 pinned: false
 short_description: Wrapped text2midi model from amaai-lab into HARP V3

app.py

@@ -8,6 +8,8 @@ import gradio as gr
 from dataclasses import asdict
 from transformers import T5Tokenizer
 from huggingface_hub import hf_hub_download
+from time import time_ns
+from uuid import uuid4
 
 from transformer_model import Transformer  
 from pyharp.core import ModelCard, build_endpoint
@@ -34,6 +36,11 @@ def save_wav(midi_path: str) -> str:
     subprocess.run(cmd, shell=True, check=False)
     return wav_filepath
 
+# Helpers
+def _unique_path(ext: str) -> str:
+    """Create a unique file path in /tmp to avoid naming collisions."""
+    return os.path.join("/tmp", f"t2m_{time_ns()}_{uuid4().hex[:8]}{ext}")
+
 
 # Core Text -> MIDI
 def generate_midi(prompt: str, temperature: float = 0.9, max_len: int = 500) -> str:
@@ -70,7 +77,7 @@ def generate_midi(prompt: str, temperature: float = 0.9, max_len: int = 500) ->
     output_list = output[0].tolist()
     generated_midi = r_tokenizer.decode(output_list)
 
-    midi_path = "output.mid"
+    midi_path = _unique_path(".mid")
     generated_midi.dump_midi(midi_path)
     return midi_path