Update app.py

app.py

@@ -14,6 +14,7 @@ load_dotenv()
 os.getenv("GOOGLE_API_KEY")
 genai.configure(api_key=os.getenv("GOOGLE_API_KEY"))
 
+DEFAULT_PDF_FILES = ["2024_25_Annex_Budget.pdf", "2024_25_Budget_Speech.pdf"]  # Define default PDFs
 # read all pdf files and return text
 
 
@@ -98,6 +99,10 @@ def main():
             "Upload your PDF Files and Click on the Submit & Process Button", accept_multiple_files=True)
         if st.button("Submit & Process"):
             with st.spinner("Processing..."):
+                for file_name in pdf_docs:
+                    if not os.path.exists(file_name):
+                        st.error(f"Default file '{file_name}' not found!")
+                        return  # Exit if a default file is missing
                 raw_text = get_pdf_text(pdf_docs)
                 text_chunks = get_text_chunks(raw_text)
                 get_vector_store(text_chunks)