Update app.py

app.py

@@ -14,13 +14,11 @@ import asyncio
 import aiohttp
 from concurrent.futures import ThreadPoolExecutor
 
-
 # Configure logging
 logging.basicConfig(level=logging.INFO,
                     format='%(asctime)s - %(levelname)s: %(message)s')
 logger = logging.getLogger(__name__)
 
-
 class PaperDownloader:
     def __init__(self, output_dir='papers'):
         self.output_dir = output_dir
@@ -472,6 +470,13 @@ class PaperDownloader:
                 logger.info(f"ZIP file created: {zip_filename}")
     
             return zip_filename, "\n".join(downloaded_links), "\n".join(failed_dois)
+    
+    def create_zip(self, zip_filename, files):
+        """Crea un archivo zip con los pdfs descargados"""
+        with zipfile.ZipFile(zip_filename, 'w', zipfile.ZIP_DEFLATED) as zf:
+            for file in files:
+                zf.write(file, os.path.basename(file))
+
 
 def create_gradio_interface():
     """Create Gradio interface for Paper Downloader"""