Upload app.py

app.py

@@ -98,30 +98,43 @@ class CurriculumChatbot:
                 device_map="auto" if torch.cuda.is_available() else None,
                 token=token,
                 # Performance optimizations
-                torch_dtype=torch.float16 if torch.cuda.is_available() else torch.float32,
-                low_cpu_mem_usage=True
+                torch_dtype=torch.float16 if torch.cuda.is_available() else torch.float32
             )
             self.llm = HuggingFacePipeline(pipeline=pipe)
             
             # Warm and engaging prompt templates
-            qa_template = """You are a friendly and encouraging programming tutor. A student has asked: {question}
+            qa_template = """You are a friendly and encouraging programming tutor.
+
+STUDENT'S QUESTION: {question}
 
 Here's the relevant curriculum content to help answer their question:
 {filled_context}
 
+CRITICAL: The student is specifically asking about "{question}". Make sure your answer directly addresses this exact question.
+
 Please provide a warm, encouraging answer that:
-1. ANALYZES and EXPLAINS the specific curriculum content shown
-2. References the exact examples, code, or concepts from the curriculum
-3. Explains what each part of the curriculum is teaching
-4. Provides step-by-step breakdown of any code examples shown
-5. Explains the "why" behind the concepts, not just the "what"
-6. Makes connections to real-world programming scenarios
-7. Acknowledges the student's curiosity and encourages them
-8. Suggests how they can practice or explore further
+1. DIRECTLY ANSWERS the student's specific question: "{question}"
+2. ANALYZES and EXPLAINS the specific curriculum content shown
+3. References the exact examples, code, or concepts from the curriculum
+4. Explains what each part of the curriculum is teaching
+5. Provides step-by-step breakdown of any code examples shown
+6. Explains the "why" behind the concepts, not just the "what"
+7. Makes connections to real-world programming scenarios
+8. Acknowledges the student's curiosity and encourages them
+9. Suggests how they can practice or explore further
 
-IMPORTANT: Focus on explaining the specific content shown in the curriculum, not generic concepts. If there's code, explain what it does. If there are examples, break them down. If there are rules or concepts, explain them clearly.
+IMPORTANT: 
+- Answer the EXACT question: "{question}"
+- Focus on explaining the specific content shown in the curriculum, not generic concepts
+- If there's code, explain what it does step by step
+- If there are examples, break them down clearly
+- If there are rules or concepts, explain them with concrete examples
+- Use a conversational, friendly tone like you're explaining to a friend
+- Structure your response with clear sections and bullet points where helpful
+- Include short code examples (3-7 lines) ONLY if they help illustrate the concept clearly
+- Don't force code examples if the concept doesn't need them
 
-Your response should be educational and helpful, specifically explaining what the curriculum is teaching."""
+Your response should be educational and helpful, specifically answering: "{question}"."""
             
             self.qa_prompt = PromptTemplate(
                 input_variables=["question", "filled_context"],
@@ -144,24 +157,41 @@ Please select the most relevant slide (filename.pdf - Page X) that would best he
             self.slide_selection_chain = self.slide_selection_prompt | self.llm
             
             # Warm and detailed focused QA template
-            focused_qa_template = """You are a friendly and encouraging programming tutor. A student has asked: {question}
+            focused_qa_template = """You are a friendly and encouraging programming tutor.
+
+STUDENT'S QUESTION: {question}
 
 Here's the specific curriculum slide content that directly addresses their question:
 {slide_content}
 
+CRITICAL: The student is specifically asking about "{question}". Make sure your answer directly addresses this exact question.
+
 Please provide a warm, encouraging answer that:
-1. ANALYZES and EXPLAINS the specific content shown in the slide
-2. References the exact examples, code, or concepts displayed
-3. Explains what each part of the slide is teaching
-4. Provides step-by-step breakdown of any code examples shown
-5. Explains the "why" behind the concepts, not just the "what"
-6. Makes connections to real-world programming scenarios
-7. Acknowledges the student's curiosity and encourages them
-8. Suggests how they can practice or explore further
+1. DIRECTLY ANSWERS the student's specific question: "{question}"
+2. ANALYZES and EXPLAINS the specific content shown in the slide
+3. References the exact examples, code, or concepts displayed
+4. Explains what each part of the slide is teaching
+5. Provides step-by-step breakdown of any code examples shown
+6. Explains the "why" behind the concepts, not just the "what"
+7. Makes connections to real-world programming scenarios
+8. Acknowledges the student's curiosity and encourages them
+9. Suggests how they can practice or explore further
 
-IMPORTANT: Focus on explaining the specific content shown in the slide, not generic concepts. If there's code, explain what it does. If there are examples, break them down. If there are rules or concepts, explain them clearly.
+IMPORTANT: 
+- Answer the EXACT question: "{question}"
+- If they ask about "for loops", explain for loops specifically, not loops in general
+- If they ask about "while loops", explain while loops specifically
+- If they ask about "variables", explain variables specifically
+- Focus on explaining the specific content shown in the slide, not generic concepts
+- If there's code, explain what it does step by step
+- If there are examples, break them down clearly
+- If there are rules or concepts, explain them with concrete examples
+- Use a conversational, friendly tone like you're explaining to a friend
+- Structure your response with clear sections and bullet points where helpful
+- Include short code examples (3-7 lines) ONLY if they help illustrate the concept clearly
+- Don't force code examples if the concept doesn't need them
 
-Your response should be educational and helpful, specifically explaining what the slide is teaching."""
+Your response should be educational and helpful, specifically answering: "{question}"."""
             
             self.focused_qa_prompt = PromptTemplate(
                 input_variables=["question", "slide_content"],
@@ -333,37 +363,16 @@ Your response should be educational and helpful, specifically explaining what th
                 if answer.startswith("Provide a clear, educational answer based on this slide:"):
                     answer = answer[58:].strip()
                 
-                # Check if the answer is too short, just repeats the question, or contains the prompt
-                if (len(answer.strip()) < 50 or 
-                    answer.lower().startswith("how does that work") or
-                    "slide content provided" in answer.lower() or
-                    "provide a clear" in answer.lower() or
-                    "answer the question based on" in answer.lower() or
-                    "slide content:" in answer.lower()):
-                    
-                    # Generate a proper answer using the slide content
+                # If LLM response is too short or problematic, show slide content with explanation
+                if len(answer.strip()) < 30:
                     slide_info = f"📄 **Slide Reference:** {best_result.metadata['filename']} - Page {best_result.metadata['page_number']}"
-                    
-                    if "loops" in query.lower():
-                        answer = f"{slide_info}\n\n**Great question! Let me explain loops based on your curriculum:**\n\n{best_slide_content}\n\n**What are loops for?**\n\nLoops are programming constructs that solve the problem of repetition. As your curriculum explains, instead of writing hundreds of print statements to count from 1 to 100, loops allow you to accomplish the same task with just a few lines of code.\n\n**Key benefits of loops:**\n• **Efficiency**: Reduce repetitive code\n• **Scalability**: Handle large ranges (1 to 1000+) easily\n• **Maintainability**: Easier to modify and debug\n\n**Types of loops:** Your curriculum covers two main types of loops that you'll learn about. Keep exploring - you're doing great! 🚀"
-                    elif "boolean" in query.lower():
-                        answer = f"{slide_info}\n\n**Excellent question! Let me explain booleans based on your curriculum:**\n\n{best_slide_content}\n\n**What are booleans?**\n\nBooleans are a fundamental data type in programming that can only have two values: `True` or `False`. Think of them as simple yes/no answers to questions.\n\n**How do they work?**\n\nLooking at your slide, it's teaching you how to categorize statements as either True or False. For example:\n• \"The sun is shining\" - This could be True or False depending on the weather\n• \"I am using a computer\" - This is True when you're programming\n• \"I like pizza\" - This is a personal preference (True or False)\n\n**Why are booleans important?**\n\nBooleans are the foundation of decision-making in programming. They help programs make choices and control the flow of execution. You'll use them in if statements, loops, and many other programming constructs.\n\n**Real-world example:**\n```python\nis_logged_in = True\nhas_permission = False\n\nif is_logged_in and has_permission:\n    print(\"Welcome to the system!\")\nelse:\n    print(\"Please log in or get permission.\")\n```\n\nKeep exploring booleans - they're essential for building smart programs! 🌟"
-                    else:
-                        answer = f"{slide_info}\n\n**Excellent question! Let me explain this concept based on your curriculum:**\n\n{best_slide_content}\n\nThis slide is teaching you important programming concepts. The curriculum content you're studying is building a strong foundation for your programming journey! 💪\n\n**What this means:** The slide is showing you how programming concepts work in practice. Each element has a specific purpose and helps you understand the bigger picture of programming.\n\n**Why this matters:** Understanding these fundamentals will make you a better programmer. You're learning the building blocks that will help you create amazing programs! 🚀"
+                    answer = f"{slide_info}\n\n**Slide Content:**\n{best_slide_content}\n\n*Note: Here's the relevant curriculum content to help answer your question.*"
                 
             except Exception as e:
                 print(f"Error generating focused answer: {e}")
-                # Generate a proper answer using the slide content
+                # Show slide content with explanation
                 slide_info = f"📄 **Slide Reference:** {best_result.metadata['filename']} - Page {best_result.metadata['page_number']}"
-                
-                if "loops" in query.lower():
-                    answer = f"{slide_info}\n\n**Great question! Let me explain loops based on your curriculum:**\n\n{best_slide_content}\n\n**What are loops for?**\n\nLoops are programming constructs that solve the problem of repetition. As your curriculum explains, instead of writing hundreds of print statements to count from 1 to 100, loops allow you to accomplish the same task with just a few lines of code.\n\n**Key benefits of loops:**\n• **Efficiency**: Reduce repetitive code\n• **Scalability**: Handle large ranges (1 to 1000+) easily\n• **Maintainability**: Easier to modify and debug\n\n**Types of loops:** Your curriculum covers two main types of loops that you'll learn about. Keep exploring - you're doing great! 🚀"
-                elif "boolean" in query.lower():
-                    answer = f"{slide_info}\n\n**Excellent question! Let me explain booleans based on your curriculum:**\n\n{best_slide_content}\n\n**What are booleans?**\n\nBooleans are a fundamental data type in programming that can only have two values: `True` or `False`. Think of them as simple yes/no answers to questions.\n\n**How do they work?**\n\nLooking at your slide, it's teaching you how to categorize statements as either True or False. For example:\n• \"The sun is shining\" - This could be True or False depending on the weather\n• \"I am using a computer\" - This is True when you're programming\n• \"I like pizza\" - This is a personal preference (True or False)\n\n**Why are booleans important?**\n\nBooleans are the foundation of decision-making in programming. They help programs make choices and control the flow of execution. You'll use them in if statements, loops, and many other programming constructs.\n\n**Real-world example:**\n```python\nis_logged_in = True\nhas_permission = False\n\nif is_logged_in and has_permission:\n    print(\"Welcome to the system!\")\nelse:\n    print(\"Please log in or get permission.\")\n```\n\nKeep exploring booleans - they're essential for building smart programs! 🌟"
-                elif "function" in query.lower():
-                    answer = f"{slide_info}\n\n**Excellent question! Let me explain functions based on your curriculum:**\n\n{best_slide_content}\n\n**What are functions?**\n\nFunctions are reusable blocks of code that perform specific tasks. Think of them as mini-programs within your program that you can call whenever you need them.\n\n**Why use functions?**\n\nLooking at your slide, it explains that functions help you:\n• **Reuse code** - Write once, use many times\n• **Stay organized** - Break complex problems into smaller, manageable pieces\n• **Save time** - Don't repeat yourself (DRY principle)\n\n**Real-world example from your slide:**\n\nThe birthday song example is perfect! Instead of writing a new song for each friend, you create one function that can be reused:\n\n```python\ndef sing_birthday_song(friend_name):\n    print(f\"Happy Birthday, {friend_name}!\")\n    print(\"May all your dreams come true!\")\n\n# Now you can use it for any friend\nsing_birthday_song(\"Bob\")\nsing_birthday_song(\"Alice\")\nsing_birthday_song(\"Charlie\")\n```\n\n**Key benefits:**\n• **Efficiency**: Write once, use everywhere\n• **Maintainability**: Change the song in one place, it updates everywhere\n• **Readability**: Your code is cleaner and easier to understand\n\nKeep exploring functions - they're essential for building organized, efficient programs! 🚀"
-                else:
-                    answer = f"{slide_info}\n\n**Excellent question! Let me explain this concept based on your curriculum:**\n\n{best_slide_content}\n\nThis slide is teaching you important programming concepts. The curriculum content you're studying is building a strong foundation for your programming journey! 💪\n\n**What this means:** The slide is showing you how programming concepts work in practice. Each element has a specific purpose and helps you understand the bigger picture of programming.\n\n**Why this matters:** Understanding these fundamentals will make you a better programmer. You're learning the building blocks that will help you create amazing programs! 🚀"
+                answer = f"{slide_info}\n\n**Slide Content:**\n{best_slide_content}\n\n*Note: Here's the relevant curriculum content to help answer your question.*"
         
         elif self.qa_chain and not self.fast_mode:
             # Fallback to general LLM if focused chain fails
@@ -388,11 +397,11 @@ Your response should be educational and helpful, specifically explaining what th
                 if answer.startswith("Provide a clear, educational answer explaining the concept:"):
                     answer = answer[58:].strip()
                 
-                # Check if the answer is too short
-                if len(answer.strip()) < 50:
+                # If answer is too short, show slide content
+                if len(answer.strip()) < 30:
                     if curriculum_relevance_score > 0:
                         slide_info = f"📄 **Slide Reference:** {best_result.metadata['filename']} - Page {best_result.metadata['page_number']}"
-                        answer = f"{slide_info}\n\n**Great question! Here's what your curriculum teaches:**\n\n{best_slide_content}\n\nThis slide explains the concept clearly and will help you understand the topic better. Keep asking questions - that's how we learn! 🌟"
+                        answer = f"{slide_info}\n\n**Slide Content:**\n{best_slide_content}\n\n*Note: Here's the relevant curriculum content to help answer your question.*"
                     else:
                         answer = "I'm sorry, I couldn't generate a proper answer right now. Please try rephrasing your question - sometimes a different way of asking helps! 😊"
                 
@@ -404,7 +413,7 @@ Your response should be educational and helpful, specifically explaining what th
                 print(f"Error generating answer: {e}")
                 if curriculum_relevance_score > 0:
                     slide_info = f"📄 **Slide Reference:** {best_result.metadata['filename']} - Page {best_result.metadata['page_number']}"
-                    answer = f"{slide_info}\n\n**Great question! Here's what your curriculum teaches:**\n\n{best_slide_content}\n\nThis slide contains the relevant information about your question. The curriculum content you're studying is building a strong foundation for your programming journey! 💪"
+                    answer = f"{slide_info}\n\n**Slide Content:**\n{best_slide_content}\n\n*Note: Here's the relevant curriculum content to help answer your question.*"
                 else:
                     answer = "I'm sorry, I couldn't generate an answer at the moment. Please try rephrasing your question - sometimes a different approach helps! 😊"
         else: