fixed audio src bug

app.py

@@ -32,8 +32,6 @@ import markdown
 import PyPDF2
 import io
 import copy
-from pathlib import Path
-import time
 
 def get_instructor_name(speaker):
     instructor_names = {
@@ -409,7 +407,14 @@ def create_zip_of_files(file_paths):
 # Access local files
 def get_gradio_file_url(local_path):
     relative_path = os.path.relpath(local_path, os.getcwd())
-    print(f"FILE PATH: {relative_path}")
+    print(f"Relative path: {relative_path}")
+    
+    # Handle audio files differently for Hugging Face deployment
+    if relative_path.endswith(('.mp3', '.wav')):
+        # For audio files, use the static file serving
+        return f"/file/{relative_path}"
+    
+    # For other files, use the gradio API
     return f"/gradio_api/file={relative_path}"
 
 # Async generate lecture materials and audio
@@ -425,24 +430,30 @@ async def on_generate(api_service, api_key, serpapi_key, title, lecture_content_
     instructor_name = get_instructor_name(speaker)
     logger.info(f"Using instructor: {instructor_name}")
 
-    # Clear output directory and cache
+    # Clear the outputs directory with detailed logging
     if os.path.exists(OUTPUT_DIR):
         try:
+            logger.info(f"Starting to clear outputs directory: {OUTPUT_DIR}")
+            cleared_files = []
             for item in os.listdir(OUTPUT_DIR):
                 item_path = os.path.join(OUTPUT_DIR, item)
-                if os.path.isfile(item_path):
-                    os.unlink(item_path)
-                elif os.path.isdir(item_path):
-                    shutil.rmtree(item_path)
+                try:
+                    if os.path.isfile(item_path):
+                        os.unlink(item_path)
+                        cleared_files.append(f"Deleted file: {item}")
+                    elif os.path.isdir(item_path):
+                        shutil.rmtree(item_path)
+                        cleared_files.append(f"Deleted directory: {item}")
+                except Exception as e:
+                    logger.error(f"Failed to delete {item_path}: {str(e)}")
+            logger.info(f"Successfully cleared outputs directory. Deleted items: {', '.join(cleared_files)}")
         except Exception as e:
-            logger.error(f"Error clearing output directory: {e}")
-            raise gr.Error(f"Failed to clear output directory: {str(e)}")
+            logger.error(f"Failed to clear outputs directory: {str(e)}")
+            raise RuntimeError(f"Failed to clear outputs directory: {str(e)}")
     else:
-        os.makedirs(OUTPUT_DIR)
-
-    # Clear browser cache by adding timestamp to file URLs
-    cache_buster = int(time.time())
-
+        os.makedirs(OUTPUT_DIR, exist_ok=True)
+        logger.info(f"Created outputs directory: {OUTPUT_DIR}")
+    
     # Total slides include user-specified content slides plus Introduction and Closing slides
     content_slides = num_slides
     total_slides = content_slides + 2 
@@ -830,7 +841,7 @@ Example: 'Received {total_slides} slides, {total_slides} scripts, and HTML files
         for i in range(len(scripts)):
             audio_timeline += f'<audio id="audio-{i+1}" controls src="" style="display: inline-block; margin: 0 10px; width: 200px;"><span>Loading...</span></audio>'
         
-        file_paths = [f for f in os.listdir(OUTPUT_DIR) if f.endswith(('.md', '.txt'))]
+        file_paths = [f for f in os.listdir(OUTPUT_DIR) if f.endswith(('.md', '.txt', '.mp3', '.wav'))]
         file_paths.sort()
         file_paths = [os.path.join(OUTPUT_DIR, f) for f in file_paths]
         
@@ -928,7 +939,9 @@ Example: 'Received {total_slides} slides, {total_slides} scripts, and HTML files
         audio_timeline = ""
         for j, url in enumerate(audio_urls):
             if url:
-                audio_timeline += f'<audio id="audio-{j+1}" controls src="{url}" style="display: inline-block; margin: 0 10px; width: 200px;"></audio>'
+                # Ensure audio URL is properly formatted for Hugging Face deployment
+                audio_url = get_gradio_file_url(url)
+                audio_timeline += f'<audio id="audio-{j+1}" controls src="{audio_url}" style="display: inline-block; margin: 0 10px; width: 200px;"></audio>'
             else:
                 audio_timeline += f'<audio id="audio-{j+1}" controls src="" style="display: inline-block; margin: 0 10px; width: 200px;"><span>Audio unavailable</span></audio>'
         
@@ -2306,8 +2319,11 @@ with gr.Blocks(
             "audience": audience_val or "University"
         }
 
-    def show_note_content(evt: dict, notes):
+    def show_note_content(evt: dict, notes=None):
         # evt['index'] gives the row index
+        if not notes:
+            return gr.update(value="Click any button above to generate content...")
+            
         idx = evt.get('index', 0)
         if 0 <= idx < len(notes):
             note = notes[idx]