Update app.py

app.py

@@ -31,10 +31,11 @@ When you respond:
 - Keep the user engaged and offer follow-up questions or related topics where appropriate.
 - Ensure your responses are suitable for text-to-speech conversion.
 - Provide factual and accurate information.
+- If the user asks for audio or to speak the response, include 🔊 at the start of your response.
+- For coding questions, provide well-formatted code blocks with syntax highlighting.
 """
 
 genai.configure(api_key=os.getenv("GEMINI_API_KEY"))
-# Initialize the model with the system instruction
 model = genai.GenerativeModel(
     'gemini-2.5-flash',
     system_instruction=system_instruction_text
@@ -47,6 +48,27 @@ def convert_markdown_to_html(text):
     html = re.sub(r'\*(.*?)\*', r'<em>\1</em>', html)
     return html
 
+def detect_audio_request(text):
+    """Detect if user is requesting audio"""
+    audio_keywords = ['audio', 'speak', 'say it', 'read aloud', 'hear', 'listen']
+    return any(keyword in text.lower() for keyword in audio_keywords)
+
+def generate_audio_file(text):
+    """Generate audio file from text and return filename"""
+    cleaned_text = re.sub(r'[\*_`#]', '', text)
+    cleaned_text = re.sub(r'\s+', ' ', cleaned_text).strip()
+
+    if not cleaned_text:
+        return None
+
+    filename = f"{uuid.uuid4()}.mp3"
+    filepath = os.path.join(AUDIO_FOLDER, filename)
+
+    tts = gTTS(text=cleaned_text, lang='en', slow=False)
+    tts.save(filepath)
+
+    return filename
+
 @app.route('/chat', methods=['POST'])
 def chat():
     try:
@@ -56,13 +78,30 @@ def chat():
         if not user_message:
             return jsonify({"error": "No message provided"}), 400
         
+        # Detect if user is requesting audio
+        audio_requested = detect_audio_request(user_message)
+        
         response = model.generate_content(user_message)
         plain_text_response = response.text
+        
+        # Generate audio if requested
+        audio_url = None
+        if audio_requested:
+            # Add audio indicator if not already present
+            if not plain_text_response.startswith("🔊"):
+                plain_text_response = "🔊 " + plain_text_response
+            
+            # Generate audio file
+            audio_filename = generate_audio_file(plain_text_response)
+            if audio_filename:
+                audio_url = f"/static/audio/{audio_filename}"
+        
         html_response = convert_markdown_to_html(plain_text_response)
         
         return jsonify({
             "response_html": html_response,
-            "response_text": plain_text_response
+            "response_text": plain_text_response,
+            "audio_url": audio_url
         })
         
     except Exception as e:
@@ -82,7 +121,7 @@ def generate_audio():
         cleaned_text = re.sub(r'\s+', ' ', cleaned_text).strip()
 
         if not cleaned_text:
-            return jsonify({"error": "Text became empty after cleaning, cannot generate audio."}), 400
+            return jsonify({"error": "Text became empty after cleaning"}), 400
 
         filename = f"{uuid.uuid4()}.mp3"
         filepath = os.path.join(AUDIO_FOLDER, filename)
@@ -90,13 +129,17 @@ def generate_audio():
         tts = gTTS(text=cleaned_text, lang='en', slow=False)
         tts.save(filepath)
 
-        audio_url = f"/{filepath.replace(os.path.sep, '/')}"
+        audio_url = f"/static/audio/{filename}"
         return jsonify({"audio_url": audio_url})
 
     except Exception as e:
         app.logger.error(f"Audio Generation Error: {e}")
         return jsonify({"error": str(e)}), 500
 
+@app.route('/static/audio/<filename>')
+def serve_audio(filename):
+    return send_from_directory(AUDIO_FOLDER, filename)
+
 @app.route('/')
 def serve_index():
     return send_from_directory('static', 'index.html')