Update app.py via AI Editor

app.py

@@ -136,10 +136,12 @@ def markdown_table_to_df(md_table):
 
 def markdown_table_preview(md_text):
     if not md_text:
-        return html.Div()
+        logging.warning("No markdown text provided for preview.")
+        return html.Div("No preview available.")
     tables = extract_markdown_tables(md_text)
     if not tables:
-        return html.Div()
+        logging.warning("No tables found in markdown text.")
+        return html.Div("No tables to preview.")
     table_divs = []
     for i, table in enumerate(tables):
         df = markdown_table_to_df(table)
@@ -157,10 +159,17 @@ def markdown_table_preview(md_text):
                     )
                 ], className="mb-4")
             )
+        else:
+            logging.warning(f"Table {i} could not be parsed into DataFrame.")
+    if not table_divs:
+        return html.Div("No valid tables to preview.")
     return html.Div(table_divs)
 
 def markdown_narrative_preview(md_text):
-    return html.Div(dcc.Markdown(md_text or "", dangerously_allow_html=True, style={'whiteSpace': 'pre-wrap', 'fontFamily': 'sans-serif'}))
+    if not md_text:
+        logging.warning("No markdown text provided for narrative preview.")
+        return html.Div("No preview available.")
+    return html.Div(dcc.Markdown(md_text, dangerously_allow_html=True, style={'whiteSpace': 'pre-wrap', 'fontFamily': 'sans-serif'}))
 
 def markdown_tables_to_xlsx(md_text):
     tables = extract_markdown_tables(md_text)
@@ -585,6 +594,7 @@ def unified_handler(contents_lists, n_clicks_generate_list, n_clicks_download, s
                 name = filenames[-1]
                 file_text = process_document(content, name)
                 logging.info(f"Processed uploaded file for subtype '{subtype}': {name}")
+                logging.info(f"Extracted text from uploaded document (first 500 chars): {file_text[:500]}")
                 set_uploaded_doc(subtype, file_text, name)
                 stores[idx] = file_text
                 if subtype == "shred":
@@ -635,6 +645,7 @@ def unified_handler(contents_lists, n_clicks_generate_list, n_clicks_download, s
         else:
             context += f"\n\n{inputs.get('shred','')}"
         full_prompt = f"{prompt}\n\n{context}"
+        logging.info(f"Prompt sent to Gemini (first 1000 chars): {full_prompt[:1000]}")
         result_holder = {}
 
         def gemini_thread():
@@ -700,12 +711,6 @@ def unified_handler(contents_lists, n_clicks_generate_list, n_clicks_download, s
             download_data = dcc.send_bytes(content, filename=f"{selected_type}_output.md")
             return stores + [file_list, uploaded_doc_name_shred, dash.no_update, dash.no_update, download_data, loader_trigger]
 
-    # Fallback: test preview with hardcoded table if Shred and no doc
-    if selected_type == "Shred" and not stores[0]:
-        logging.info("Testing preview with hardcoded markdown table (Shred, no doc).")
-        preview = markdown_table_preview("| Col1 | Col2 |\n|---|---|\n| a | b |")
-        return stores + [file_list, uploaded_doc_name_shred, preview, dash.no_update, dash.no_update, loader_trigger]
-
     # Default preview logic
     doc = prev_generated
     if not doc:
@@ -737,19 +742,9 @@ def unified_handler(contents_lists, n_clicks_generate_list, n_clicks_download, s
             doc = doc_store.get(selected_type, "")
             preview = markdown_narrative_preview(doc)
         else:
-            logging.warning("No document content found for preview.")
             preview = html.Div("No document loaded or generated.")
 
-    return stores + [file_list, uploaded_doc_name_shred, preview, doc, dash.no_update, loader_trigger]
-
-@app.callback(
-    Output("main-progress-dot-output", "children"),
-    Input('main-loader-trigger', 'data')
-)
-def update_main_progress_dot(progress):
-    return ""
+    return stores + [file_list, uploaded_doc_name_shred, preview, dash.no_update, dash.no_update, loader_trigger]
 
-if __name__ == '__main__':
-    print("Starting the Dash application...")
-    app.run(debug=True, host='0.0.0.0', port=7860, threaded=True)
-    print("Dash application has finished running.")
+if __name__ == "__main__":
+    app.run_server(debug=True)