Update app.py

app.py

@@ -152,19 +152,10 @@ class URLProcessor:
 class FileProcessor:
     """Class to handle file processing"""
     
-    def __init__(self, max_file_size: int = 10 * 1024 * 1024):  # 10MB default
+    def __init__(self, max_file_size: int = 2 * 1024 * 1024 * 1024):  # 2GB default
         self.max_file_size = max_file_size
         self.supported_text_extensions = {'.txt', '.md', '.csv', '.json', '.xml'}
 
-    def is_text_file(self, filepath: str) -> bool:
-        """Check if file is a text file"""
-        try:
-            mime_type, _ = mimetypes.guess_type(filepath)
-            return (mime_type and mime_type.startswith('text/')) or \
-                   (os.path.splitext(filepath)[1].lower() in self.supported_text_extensions)
-        except Exception:
-            return False
-
     def process_file(self, file) -> List[Dict]:
         """Process uploaded file with enhanced error handling"""
         if not file:
@@ -175,7 +166,7 @@ class FileProcessor:
             file_size = os.path.getsize(file.name)
             if file_size > self.max_file_size:
                 logger.warning(f"File size ({file_size} bytes) exceeds maximum allowed size")
-                return []
+                return [{"error": f"File size ({file_size} bytes) exceeds maximum allowed size of {self.max_file_size} bytes."}]
 
             with tempfile.TemporaryDirectory() as temp_dir:
                 if zipfile.is_zipfile(file.name):