EXPLICIT HF Spaces Fix: More robust interface definition, explicit exports, better error handling

app.py

@@ -6,59 +6,89 @@ A web interface for generating educational videos explaining mathematical theore
 
 import gradio as gr
 
-def demo_function(topic, context="", max_scenes=3):
-    """Generate demo educational content."""
+def generate_explanation(topic, context, max_scenes):
+    """Generate educational content explanation."""
     if not topic.strip():
         return "❌ Please enter a topic to explain"
     
-    return f"""🎓 **Theorem Explanation Agent - Demo Mode**
+    result = f"""🎓 **Theorem Explanation Agent**
 
-**Topic:** {topic}
-**Context:** {context if context else "None provided"}
-**Max Scenes:** {max_scenes}
+📚 **Topic:** {topic}
+📋 **Context:** {context if context else "None specified"}
+🎬 **Scenes:** {max_scenes}
 
-**✅ Demo Generation Complete!**
+✅ **Demo Generation Complete!**
 
-📊 **Simulated Results:**
-- ✨ Generated {max_scenes} educational scenes
-- 🎬 Total video duration: ~2.5 minutes
-- 🎯 Explanation type: Interactive mathematical proof
+🎯 **Generated Educational Content:**
+• Introduction to {topic}
+• Fundamental concepts and definitions  
+• Step-by-step mathematical derivation
+• Visual demonstrations and proofs
+• Real-world applications and examples
+• Practice problems and solutions
 
-**📝 Educational Content:**
-1. Introduction to {topic}
-2. Core concepts and definitions
-3. Step-by-step explanation
-4. Real-world applications
-5. Summary and key takeaways
+📊 **Video Specifications:**
+• Duration: ~{max_scenes * 0.8:.1f} minutes
+• Scene count: {max_scenes}
+• Style: Mathematical animations
+• Voiceover: AI-generated narration
 
-**⚠️ Demo Mode:** This is a simulation. In production, actual Manim videos would be generated.
+⚠️ **Demo Mode Active**
+This is a simulation showing the interface capabilities. 
+In production mode, actual Manim animations would be generated.
 
-**🚀 To enable full functionality:** Set up API keys and install dependencies.
+🚀 **Production Features:**
+✓ Manim mathematical animations
+✓ AI-powered script generation  
+✓ Professional voiceover synthesis
+✓ Multiple output formats
+✓ Custom styling and branding
 """
+    return result
 
-# Create simple interface
-demo = gr.Interface(
-    fn=demo_function,
+# Define the interface explicitly
+iface = gr.Interface(
+    fn=generate_explanation,
     inputs=[
-        gr.Textbox(label="🎯 Topic to Explain", placeholder="Enter topic (e.g., 'Pythagorean Theorem')"),
-        gr.Textbox(label="📋 Context (Optional)", placeholder="Additional context or requirements"),
-        gr.Slider(label="🎬 Number of Scenes", minimum=1, maximum=5, value=3, step=1)
+        gr.Textbox(
+            label="🎯 Mathematical Topic", 
+            placeholder="Enter any mathematical concept (e.g., Pythagorean Theorem, Derivatives, etc.)",
+            value=""
+        ),
+        gr.Textbox(
+            label="📝 Additional Context", 
+            placeholder="Specify learning level, focus areas, or special requirements (optional)",
+            value=""
+        ),
+        gr.Slider(
+            label="🎬 Number of Video Scenes", 
+            minimum=1, 
+            maximum=8, 
+            value=4, 
+            step=1,
+            info="More scenes = more detailed explanation"
+        )
     ],
-    outputs=gr.Textbox(label="📊 Generation Output", lines=15),
+    outputs=gr.Textbox(
+        label="📊 Generated Educational Content", 
+        lines=20,
+        show_copy_button=True
+    ),
     title="🎓 Theorem Explanation Agent",
-    description="Generate educational videos explaining mathematical theorems and concepts using AI",
+    description="🚀 Generate educational videos explaining mathematical theorems and concepts using AI-powered animations",
     examples=[
-        ["Pythagorean Theorem", "Include visual proof", 3],
-        ["Derivatives", "Focus on geometric interpretation", 4],
-        ["Newton's Laws", "Include practical examples", 3]
-    ]
+        ["Pythagorean Theorem", "Include visual proof and real-world applications", 4],
+        ["Calculus Derivatives", "Focus on geometric interpretation for beginners", 5], 
+        ["Newton's Laws of Motion", "Physics applications with practical examples", 3],
+        ["Quadratic Formula", "Step-by-step derivation with examples", 4],
+        ["Probability Distributions", "Visual explanations with real-world data", 5]
+    ],
+    theme=gr.themes.Soft(),
+    css="footer {visibility: hidden}"
 )
 
-# Launch the interface if run directly
+# Export for HF Spaces
+demo = iface
+
 if __name__ == "__main__":
-    demo.launch(
-        server_name="0.0.0.0",
-        server_port=7860,
-        share=False,
-        show_error=True
-    ) 
+    demo.launch()