Update app.py

app.py

@@ -3,7 +3,8 @@
 import gradio as gr
 from extract_text_from_pdf import PDFTextExtractor
 from generate_transcript import TranscriptProcessor
-from generate_audio import TTSGenerator
+#from generate_audio import TTSGenerator
+from generate_audio_edgetts import EdgeTTSGenerator
 import pickle
 import os
 import tempfile
@@ -64,9 +65,12 @@ def process_pdf_to_podcast(pdf_file):
 
 
 # Final Step: Generate Audio after optional adjustments
-@spaces.GPU(duration=300)
+#@spaces.GPU(duration=300)
 def generate_audio_from_modified_text(tts_ready_text,session_dir):
-
+    
+    if not session_dir:
+        session_dir = create_temp_session_directory()
+    
     tts_ready_path = os.path.join(session_dir, "podcast_ready_data.pkl")
     audio_output_path = os.path.join(session_dir, "final_podcast_audio.mp3")
     
@@ -75,7 +79,8 @@ def generate_audio_from_modified_text(tts_ready_text,session_dir):
         pickle.dump(tts_ready_text, f)
     
     # Generate audio from the TTS-ready transcript
-    tts_gen = TTSGenerator(tts_ready_path,audio_output_path)
+    #tts_gen = TTSGenerator(tts_ready_path,audio_output_path)
+    tts_gen = EdgeTTSGenerator(tts_ready_path,audio_output_path)
     audio_path = tts_gen.generate_audio()
     
     return f"Step 4 complete. Audio saved to {audio_path}.", audio_path