Update app1.py

app1.py

@@ -54,8 +54,10 @@ if pdf_source == "Upload a PDF file":
         st.session_state.vector_created = False
 
 elif pdf_source == "Enter a PDF URL":
-    pdf_url = st.text_input("Enter PDF URL:", value = "https://arxiv.org/pdf/2406.06998")
-    if pdf_url and not st.session_state.pdf_path:
+    pdf_url = st.text_input("Enter PDF URL:", value="https://arxiv.org/pdf/2406.06998", key="pdf_url", on_change=lambda: st.session_state.update(trigger_download=True))
+
+    # Button OR Enter key will trigger download
+    if st.button("Download and Process PDF") or st.session_state.get("trigger_download", False):
         with st.spinner("Downloading PDF..."):
             try:
                 response = requests.get(pdf_url)
@@ -63,15 +65,20 @@ elif pdf_source == "Enter a PDF URL":
                     st.session_state.pdf_path = "temp.pdf"
                     with open(st.session_state.pdf_path, "wb") as f:
                         f.write(response.content)
+
+                    # Reset states
                     st.session_state.pdf_loaded = False
                     st.session_state.chunked = False
                     st.session_state.vector_created = False
+                    st.session_state.trigger_download = False  # Reset trigger
+
                     st.success("✅ PDF Downloaded Successfully!")
                 else:
                     st.error("❌ Failed to download PDF. Check the URL.")
             except Exception as e:
                 st.error(f"❌ Error downloading PDF: {e}")
 
+
 # Step 2: Load & Process PDF (Only Once)
 if st.session_state.pdf_path and not st.session_state.pdf_loaded:
     with st.spinner("Loading PDF..."):
@@ -280,21 +287,13 @@ if query:
         final_output = context_management_chain({"context":context,"retriever_query":query,"query":query})
 
         st.subheader('final_output["relevancy_response"]')
-        st.json(final_output["relevancy_response"] )
+        st.write(final_output["relevancy_response"] )
 
         st.subheader('final_output["context_number"]')
-        st.json(final_output["context_number"])
+        st.write(final_output["context_number"])
 
         st.subheader('final_output["relevant_contexts"]')
-        st.json(final_output["relevant_contexts"])
+        st.write(final_output["relevant_contexts"])
 
         st.subheader('final_output["final_response"]')
-        st.json(final_output["final_response"])
-
-        
-
-
-        
-
-
-        
+        st.write(final_output["final_response"])