Update app.py

app.py

@@ -11,14 +11,14 @@ from langchain.document_loaders import PyPDFLoader
 from langchain.text_splitter import RecursiveCharacterTextSplitter
 from transformers import T5Tokenizer, T5ForConditionalGeneration
 from transformers import pipeline
-from reportlab.pdfgen import canvas   # for PDF export
+from reportlab.pdfgen import canvas   
 
 
 # --- Streamlit Page Config ---
 st.set_page_config(layout="wide")
 
 
-# Load the tokenizer and model 
+# Load the tokenizer and model (cached to avoid reloads on rerun)
 @st.cache_resource
 def load_model(checkpoint="Lamini-1"):
     tokenizer = T5Tokenizer.from_pretrained(checkpoint)
@@ -109,23 +109,32 @@ st.sidebar.image("Images/sidebar_pic.png")
 st.sidebar.title("ABOUT THE APP")
 st.sidebar.write(
     "SummaScribe: Your PDF wingman! 🚀 Now with **chunk-wise recursive summarization** "
-    "and inline PDF preview (first 5 pages)."
+    "and inline PDF preview (first 10 pages)."
 )
 selected_summary_length = st.sidebar.slider("SELECT SUMMARY STRENGTH", min_value=200, max_value=1500, value=500)
 
 
-# Display PDF as images
+# Display PDF as images 
 def display(file):
     try:
-        images = convert_from_path(file, dpi=120, first_page=1, last_page=10)
-        st.write("Preview (first 5 pages):")
+        images = convert_from_path(file, dpi=100, first_page=1, last_page=10)
+        img_tags = ""
         for i, img in enumerate(images):
-            st.image(img, caption=f"Page {i+1}", use_column_width=True)
-        if len(images) == 5:
-            st.info("Preview limited to first 5 pages. Download full PDF to view all.")
+            buf = io.BytesIO()
+            img.save(buf, format="PNG")
+            b64 = base64.b64encode(buf.getvalue()).decode()
+            img_tags += f'<img src="data:image/png;base64,{b64}" style="height:500px; margin-right:10px;" />'
+
+        html = f"""
+        <div style="display:flex; overflow-x:auto; white-space:nowrap; border:1px solid #ccc; padding:10px;">
+            {img_tags}
+        </div>
+        """
+
+        st.components.v1.html(html, height=550, scrolling=True)
+
     except Exception as e:
         st.error(f"Could not render PDF preview: {e}")
-        # fallback to download
         with open(file, "rb") as f:
             st.download_button(
                 label="Download Uploaded PDF",