Update app.py

app.py

@@ -8,27 +8,35 @@ summarizer = pipeline("summarization", model="facebook/bart-large-cnn")
 def pdf_to_text(pdf_file):
     """Extract text from a PDF file."""
     text = ""
-    with open(pdf_file, 'rb') as file:
-        reader = PyPDF2.PdfReader(file)
-        for page in reader.pages:
-            text += page.extract_text() + "\n"
+    try:
+        with open(pdf_file, 'rb') as file:
+            reader = PyPDF2.PdfReader(file)
+            for page in reader.pages:
+                page_text = page.extract_text()
+                if page_text:  # Only add non-empty pages
+                    text += page_text + "\n"
+    except Exception as e:
+        return f"Error reading PDF: {str(e)}"
     return text
 
 def summarize_pdf(pdf_file):
     """Summarize the content of a PDF file."""
     text = pdf_to_text(pdf_file)
-    if len(text) == 0:
+    if len(text.strip()) == 0:
         return "No text found in the PDF."
-    
-    # Summarize the text
-    summary = summarizer(text, max_length=130, min_length=30, do_sample=False)
-    return summary[0]['summary_text']
+
+    # Attempt to summarize the text
+    try:
+        summary = summarizer(text, max_length=130, min_length=30, do_sample=False)
+        return summary[0]['summary_text']
+    except Exception as e:
+        return f"Error summarizing text: {str(e)}"
 
 # Create a Gradio interface
 interface = gr.Interface(
     fn=summarize_pdf,
     inputs=gr.File(label="Upload a PDF file"),
-    outputs=gr.Textbox(label="Summary"),
+    outputs=gr.Textbox(label="Summary", lines=10),
     title="PDF Summarizer",
     description="Upload a PDF file to receive a summary."
 )