Update app.py

app.py

@@ -3,12 +3,13 @@ import platform
 import sys
 
 # Fix for "ValueError: Invalid file descriptor: -1" on shutdown
-if platform.system() != 'Windows':
+# This is specifically for Hugging Face Spaces environment
+if sys.platform.startswith("linux") or sys.platform.startswith("darwin"):
     try:
-        # This policy has been reported to fix the issue in Linux/Unix environments
+        # Use the default policy to prevent faulty cleanup on shutdown
         asyncio.set_event_loop_policy(asyncio.DefaultEventLoopPolicy())
-    except AttributeError:
-        pass  # Ignore if policy can't be set
+    except Exception:
+        pass  # Ignore any errors if this fails
 
 # Now import other modules
 import gradio as gr
@@ -19,7 +20,7 @@ import scipy.io.wavfile
 import warnings
 warnings.filterwarnings("ignore")
 
-# Clean white theme CSS
+# Clean white theme CSS with black text
 css = """
 <style>
 /* WHITE BACKGROUND THEME */
@@ -63,12 +64,6 @@ body, .gradio-container {
     padding: 1.75rem;
     margin-bottom: 1.5rem;
     box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
-    transition: transform 0.2s, box-shadow 0.2s;
-}
-
-.card:hover {
-    transform: translateY(-2px);
-    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
 }
 
 /* Text Input - BLACK TEXT ON WHITE */
@@ -76,13 +71,12 @@ textarea {
     background: white !important;
     border: 2px solid #D1D5DB !important;
     border-radius: 12px !important;
-    color: #111827 !important; /* Dark gray/black text */
+    color: #111827 !important;
     padding: 1rem !important;
     font-size: 16px !important;
     font-family: 'SF Mono', Monaco, 'Courier New', monospace !important;
     width: 100% !important;
     min-height: 140px !important;
-    transition: all 0.2s !important;
     line-height: 1.5 !important;
 }
 
@@ -108,11 +102,6 @@ textarea::placeholder {
     font-weight: 600 !important;
     font-size: 1rem !important;
     cursor: pointer !important;
-    transition: all 0.2s !important;
-    display: inline-flex !important;
-    align-items: center !important;
-    justify-content: center !important;
-    gap: 0.5rem !important;
 }
 
 .btn-primary:hover {
@@ -128,7 +117,6 @@ textarea::placeholder {
     border-radius: 12px !important;
     font-weight: 500 !important;
     cursor: pointer !important;
-    transition: all 0.2s !important;
 }
 
 .btn-secondary:hover {
@@ -196,12 +184,6 @@ input[type="range"]::-webkit-slider-thumb {
     border-radius: 12px;
     padding: 1.25rem;
     text-align: center;
-    transition: all 0.2s;
-}
-
-.stat-box:hover {
-    border-color: #4F46E5;
-    transform: translateY(-2px);
 }
 
 .stat-value {
@@ -242,32 +224,6 @@ input[type="range"]::-webkit-slider-thumb {
     margin: 1rem 0 !important;
 }
 
-/* Examples */
-.examples-grid {
-    display: grid;
-    gap: 0.75rem;
-    margin-top: 1rem;
-}
-
-.example-btn {
-    background: white;
-    border: 1px solid #E5E7EB;
-    border-radius: 10px;
-    padding: 0.875rem 1rem;
-    text-align: left;
-    color: #374151;
-    cursor: pointer;
-    transition: all 0.2s;
-    font-size: 0.95rem;
-    line-height: 1.4;
-}
-
-.example-btn:hover {
-    border-color: #4F46E5;
-    background: #F5F3FF;
-    transform: translateX(4px);
-}
-
 /* Footer */
 .footer {
     text-align: center;
@@ -465,7 +421,7 @@ with gr.Blocks() as demo:
         gr.HTML("""
         <div class="header">
             <h1>🎵 VibeVoice Text-to-Speech</h1>
-            <p>Convert text into natural-sounding speech with AI technology</p>
+            <p>Convert text into natural-sounding speech</p>
         </div>
         """)
         
@@ -478,7 +434,7 @@ with gr.Blocks() as demo:
                     
                     text_input = gr.Textbox(
                         label="",
-                        placeholder="Type or paste your text here... (Supports up to 1000 characters)",
+                        placeholder="Type or paste your text here...",
                         lines=6,
                         elem_id="text-input"
                     )
@@ -549,11 +505,11 @@ with gr.Blocks() as demo:
             
             gr.Examples(
                 examples=[
-                    ["Hello! Welcome to VibeVoice text-to-speech system. This is a demonstration of AI-powered speech synthesis."],
-                    ["The quick brown fox jumps over the lazy dog. This classic sentence contains all letters of the English alphabet."],
-                    ["Artificial intelligence is revolutionizing how we interact with technology. From voice assistants to creative tools, AI is everywhere."],
-                    ["Would you like a cup of coffee or tea this morning? The weather is beautiful today, perfect for a peaceful morning."],
-                    ["This text-to-speech system converts written text into spoken words. It's useful for accessibility, content creation, and more."]
+                    ["Hello! Welcome to VibeVoice text-to-speech system."],
+                    ["The quick brown fox jumps over the lazy dog."],
+                    ["Artificial intelligence is revolutionizing technology."],
+                    ["Would you like a cup of coffee or tea this morning?"],
+                    ["This text-to-speech system converts written text into spoken words."]
                 ],
                 inputs=text_input,
                 label="Click any example to load it:",
@@ -564,39 +520,28 @@ with gr.Blocks() as demo:
         with gr.Column(elem_classes="card"):
             gr.Markdown("### ℹ️ About VibeVoice TTS")
             gr.Markdown("""
-            **VibeVoice TTS** is a text-to-speech system that converts written text into natural-sounding speech.
+            **VibeVoice TTS** converts written text into natural-sounding speech.
             
-            **Key Features:**
-            - 🎵 **High-quality audio output**
-            - ⚡ **Fast processing speed**
-            - 🎭 **Multiple voice styles**
-            - ⚙️ **Adjustable speaking rate**
-            - 📱 **User-friendly interface**
+            **Features:**
+            - 🎵 High-quality audio output
+            - ⚡ Fast processing speed
+            - 🎭 Multiple voice styles
+            - ⚙️ Adjustable speaking rate
             
-            **Tips for Best Results:**
+            **Tips:**
             1. Use clear, well-punctuated text
-            2. Keep paragraphs under 500 characters
+            2. Keep text under 500 characters
             3. Adjust speed to match your preference
-            4. Try different voice styles for variety
-            
-            **Common Use Cases:**
-            - Accessibility tools for visually impaired users
-            - Content creation for videos and podcasts
-            - Language learning and pronunciation practice
-            - Audiobook creation
-            - Voiceover generation
             """)
         
         # Footer
         gr.HTML("""
         <div class="footer">
             <div style="margin-bottom: 1rem;">
-                <span style="color: #4F46E5; font-weight: 600;">VibeVoice TTS</span> • 
-                <span>AI-Powered Speech Synthesis</span> • 
-                <span>Version 1.0</span>
+                <span style="color: #4F46E5; font-weight: 600;">VibeVoice TTS</span>
             </div>
             <div style="font-size: 0.9em; color: #9CA3AF;">
-                Made with ❤️ using Gradio • All text remains private and is not stored
+                Made with Gradio
             </div>
         </div>
         """)
@@ -648,7 +593,7 @@ with gr.Blocks() as demo:
         outputs=[stats_display]
     )
 
-# Launch the app with proper cleanup
+# Launch the app with Hugging Face Space-specific fix
 if __name__ == "__main__":
     try:
         demo.launch(
@@ -656,18 +601,12 @@ if __name__ == "__main__":
             server_port=7860,
             show_error=True,
             quiet=True,
-            debug=False  # Disable debug mode for cleaner shutdown
+            debug=False,
+            # CRITICAL FIX for Hugging Face Spaces
+            # Prevents the "ValueError: Invalid file descriptor: -1" error
+            close_event_loop=False
         )
     except KeyboardInterrupt:
         print("\n👋 Shutting down VibeVoice TTS...")
-        # Clean shutdown
-        try:
-            import asyncio
-            loop = asyncio.get_event_loop()
-            if loop.is_running():
-                loop.stop()
-        except:
-            pass
-        print("✅ Shutdown complete!")
     except Exception as e:
         print(f"❌ Error: {e}")