Update app.py

app.py

@@ -213,13 +213,21 @@ async def async_edge_tts_generate(text, voice, username, rate=0, pitch=0, file_f
         return st.session_state['audio_cache'][cache_key], 0
     start_time = time.time()
     text = clean_text_for_tts(text)
-    if not text:
+    if not text or text == "No text":
+        print(f"Skipping audio generation for empty/invalid text: '{text}'")
         return None, 0
     filename = f"{format_timestamp_prefix(username)}-{hashlib.md5(text.encode()).hexdigest()[:8]}.{file_format}"
-    communicate = edge_tts.Communicate(text, voice, rate=f"{rate:+d}%", pitch=f"{pitch:+d}Hz")
-    await communicate.save(filename)
-    st.session_state['audio_cache'][cache_key] = filename
-    return filename, time.time() - start_time
+    try:
+        communicate = edge_tts.Communicate(text, voice, rate=f"{rate:+d}%", pitch=f"{pitch:+d}Hz")
+        await communicate.save(filename)
+        st.session_state['audio_cache'][cache_key] = filename
+        return filename, time.time() - start_time
+    except edge_tts.exceptions.NoAudioReceived as e:
+        print(f"No audio received for text: '{text}' with voice: {voice}. Error: {e}")
+        return None, 0
+    except Exception as e:
+        print(f"Error generating audio for text: '{text}' with voice: {voice}. Error: {e}")
+        return None, 0
 
 def play_and_download_audio(file_path):
     if file_path and os.path.exists(file_path):
@@ -245,6 +253,8 @@ async def save_chat_entry(username, message, is_markdown=False):
         with open(HISTORY_FILE, 'a') as f:
             f.write(f"[{timestamp}] {username}: Audio - {audio_file}\n")
         st.session_state['mp3_files'][os.path.basename(audio_file)] = audio_file
+    else:
+        print(f"No audio generated for message: '{message}' by {username}")
     await broadcast_message(f"{username}|{message}", "chat")
     st.session_state.last_chat_update = time.time()
     st.session_state.chat_history.append(entry)