updating

app.py

@@ -1,17 +1,21 @@
 import gradio as gr
 import subprocess
+import piper
 
-def synthesize_text(text):
-    # Replace 'piper_cli_script.py' with the path to your Piper CLI script
-    command = ['python', '/piper/__main__.py', '--model', 'https://huggingface.co/rhasspy/piper-voices/blob/v1.0.0/en/en_GB/alan/medium/en_GB-alan-medium.onnx', '--text', text]
-    result = subprocess.run(command, capture_output=True, text=True)
-    # Handle result and output file path
-    return '/path_to_output_audio.wav'
+def synthesize_speech(text):
+    # Command to execute Piper-TTS CLI
+    command = ['piper-tts-cli', '--text', text, '--output', 'output.wav']
+    subprocess.run(command, capture_output=True)
+
+    if os.path.exists('output.wav'):
+        return 'output.wav'
+    else:
+        return None
 
 iface = gr.Interface(
-    fn=synthesize_text,
-    inputs="text",
-    outputs="audio"
+    fn=synthesize_speech,
+    inputs='text',
+    outputs='audio'
 )
 
 iface.launch()