no temp output

app.py

@@ -4,6 +4,7 @@ import zipfile
 import io
 import os
 from datetime import datetime
+import tempfile
 
 # Helper function to find color areas
 def find_color_areas(page, target_color, tolerance=30):
@@ -143,28 +144,12 @@ def process_pdf_files(input_pdfs, selected_color_comment_indices, tolerance, cus
     # Generate the current date string
     current_date = datetime.now().strftime("%Y-%m-%d")
 
-    # Create an output directory if it doesn't exist
-    output_dir = "./output"
-    os.makedirs(output_dir, exist_ok=True)
-
-    # Ensure the file is saved with the correct name
-    zip_filename = f"CoordinationPDFS_{current_date}.zip"
-    temp_filename = os.path.join(output_dir, zip_filename)
-    with open(temp_filename, 'wb') as tmp_file:
+    # Create a named temporary file to store the ZIP
+    temp_file = tempfile.NamedTemporaryFile(delete=False, suffix=f"_CoordinationPDFS_{current_date}.zip")
+    with open(temp_file.name, 'wb') as tmp_file:
         tmp_file.write(zip_in_memory.read())
-
-    # Return the downloadable file path as a JS script for auto-download
-    return f'''
-        <script>
-            var link = document.createElement('a');
-            link.href = '{temp_filename}';
-            link.download = '{zip_filename}';
-            document.body.appendChild(link);
-            link.click();
-            document.body.removeChild(link);
-        </script>
-        File is being downloaded automatically.
-    '''
+    
+    return temp_file.name  # Return the path to the temp file for Gradio to handle the download
 
 # Define the Gradio interface
 interface = gr.Interface(
@@ -181,7 +166,7 @@ interface = gr.Interface(
         gr.Textbox(label="Custom Comment", placeholder="Enter custom comment for this color"),
         gr.Textbox(label="Custom Stroke Color (R,G,B)", placeholder="Enter stroke color in RGB format, e.g., 0,0,255")
     ],
-    outputs="html",  # Return HTML content with JavaScript for download
+    outputs=gr.File(label="Download ZIP File"),  # Use gr.File to trigger the download of the ZIP file
     title="PDF Color Region Markup"
 )