Update app.py

app.py

@@ -3,15 +3,13 @@ import streamlit as st
 import time
 import random
 import textwrap
-import os
-import base64
 from io import BytesIO
 from PIL import Image, ImageDraw, ImageFont
 import numpy as np
 from gtts import gTTS
-import tempfile
-import subprocess
 from transformers import pipeline
+import base64
+import os
 
 # Set up the page
 st.set_page_config(
@@ -351,12 +349,23 @@ def generate_code_explanation(story, explanation_generator):
 we used code like: character.move(). That's how we turn words into actions!"""
 
 def text_to_speech(text, lang='en'):
-    """Convert text to speech using gTTS"""
+    """Convert text to speech and return as base64 encoded audio"""
     try:
+        # Create gTTS object
         tts = gTTS(text=text, lang=lang, slow=False)
-        with tempfile.NamedTemporaryFile(delete=True, suffix='.mp3') as fp:
-            tts.save(fp.name)
-            return fp.name
+        
+        # Save to in-memory bytes buffer
+        audio_bytes = BytesIO()
+        tts.write_to_fp(audio_bytes)
+        audio_bytes.seek(0)
+        
+        # Encode as base64
+        b64 = base64.b64encode(audio_bytes.read()).decode()
+        
+        # Create data URI for HTML5 audio
+        data_url = f"data:audio/mp3;base64,{b64}"
+        
+        return data_url
     except Exception as e:
         st.error(f"Text-to-speech error: {e}")
         return None
@@ -546,9 +555,8 @@ with col1:
                 
                 # Generate speech if enabled
                 if st.session_state.voice_enabled:
-                    speech_file = text_to_speech(st.session_state.code_explanation)
-                    if speech_file:
-                        st.session_state.speech_file = speech_file
+                    st.session_state.speech_data = text_to_speech(st.session_state.code_explanation)
+                    if st.session_state.speech_data:
                         unlock_achievement("voice_artist")
                 
                 # Simulate sound effect
@@ -599,17 +607,14 @@ with col2:
         st.success(f"✨ Your {characters[st.session_state.selected_character]} in the {themes[st.session_state.selected_theme]} world!")
         
         # Play voice explanation
-        if st.session_state.voice_enabled and 'speech_file' in st.session_state:
-            try:
-                # Read audio file and convert to base64
-                with open(st.session_state.speech_file, "rb") as f:
-                    audio_bytes = f.read()
-                
-                # Display audio player
-                st.audio(audio_bytes, format='audio/mp3')
-                
-            except Exception as e:
-                st.warning(f"Couldn't load audio: {e}")
+        if st.session_state.voice_enabled and 'speech_data' in st.session_state and st.session_state.speech_data:
+            st.markdown("### 🔊 Tavus Explanation")
+            st.markdown(f"""
+            <audio controls autoplay style="width:100%">
+                <source src="{st.session_state.speech_data}" type="audio/mp3">
+                Your browser does not support the audio element.
+            </audio>
+            """, unsafe_allow_html=True)
         
     elif st.session_state.animation_generated:
         st.warning("Couldn't generate animation. Try a different story!")