Update app.py

app.py

@@ -67,7 +67,8 @@ def get_initial_df():
 def process_file(file_obj):
     """Handles file upload and returns the plain text content and resets state."""
     if file_obj is None:
-        return "", "No file uploaded.", ""
+        # Return default values to clear the interface
+        return "", "No file uploaded.", "", get_initial_df()
 
     file_path = file_obj.name
     filename = os.path.basename(file_path)
@@ -82,7 +83,7 @@ def process_file(file_obj):
             with open(file_path, 'r', encoding='utf-8') as f:
                 text_content = f.read()
         except Exception as e:
-            return "", f"Error reading file: {e}", ""
+            return "", f"Error reading file: {e}", "", get_initial_df()
     
     # Reset the coded data state when a new file is loaded
     initial_coded_df = get_initial_df()
@@ -110,7 +111,6 @@ def apply_code(
 
     
     # Extract the metadata values from the list
-    # metadata_values is a list of strings corresponding to the keys in METADATA_FIELDS
     meta_dict = dict(zip(METADATA_FIELDS.keys(), metadata_values))
     
     # Find context: locate the start of the segment in the full text
@@ -182,17 +182,15 @@ with gr.Blocks(title="Qualitative Coding Interface") as demo:
         )
         status_message = gr.Textbox(label="Status", value="Ready", scale=2)
 
-    # Use gr.Interface briefly just to handle the file upload and state update cleanly
-    # NOTE: The 'allow_flagging' argument has been removed to fix the TypeError.
-    gr.Interface(
+    # *** FIX IMPLEMENTATION ***
+    # Replaced gr.Interface with the gr.File.change() method
+    file_input.change(
         fn=process_file,
         inputs=file_input,
-        outputs=[full_transcript_text, status_message, current_file_id, coded_data_state],
-        api_name=False,
-        live=False,
-        # Hide the default UI generated by Interface (we handle it below)
-    ).clear()
-
+        outputs=[full_transcript_text, status_message, current_file_id, coded_data_state]
+    )
+    # *** END FIX ***
+    
     gr.Markdown("---")
     gr.Markdown("## 📝 Interview Metadata")