Update app2.py

app2.py

@@ -28,20 +28,30 @@ import tarfile
 import gzip
 import math
 
+# Setup enhanced logging with more detailed formatting
+logging.basicConfig(
+    level=logging.INFO,
+    format='%(asctime)s - %(levelname)s - [%(filename)s:%(lineno)d] - %(message)s',
+    handlers=[
+        logging.StreamHandler(),
+        logging.FileHandler('app.log', encoding='utf-8')
+    ])
+logger = logging.getLogger(__name__) # logger is now defined here
+
 # Conditional imports for document processing
 try:
     from PyPDF2 import PdfReader
     PDF_SUPPORT = True
 except ImportError:
     PDF_SUPPORT = False
-    logger.warning("PyPDF2 not installed. PDF file processing will be limited.")
+    logger.warning("PyPDF2 not installed. PDF file processing will be limited.") # logger is available
 
 try:
     from docx import Document
     DOCX_SUPPORT = True
 except ImportError:
     DOCX_SUPPORT = False
-    logger.warning("python-docx not installed. DOCX file processing will be limited.")
+    logger.warning("python-docx not installed. DOCX file processing will be limited.") # logger is available
 
 try:
     from pyth.plugins.rtf15.reader import Rtf15Reader