download txt file working

app.py

@@ -4,6 +4,7 @@ import utils
 import numpy as np
 import cv2
 import os
+import io
 import shutil
 
 import time
@@ -136,7 +137,14 @@ if 'page_count' in st.session_state:
         #st.session_state['video_generated'] = True
         st.rerun()
     if 'extracted_text' in st.session_state:
+        string_buffer = io.StringIO(st.session_state.extracted_text)
+        txt_file_path=uploaded_locked_pdf_file.name.replace(".pdf", ".txt")
+        st.download_button(label="Download Extraction txt File",
+                           data=string_buffer.getvalue(),
+                           file_name=txt_file_path,
+                           mime="text/plain")
         st.write(st.session_state.extracted_text)
+
 # for index, gray_pdf_image_np in enumerate(st.session_state.gray_image_np_list[0:5], start=0):
 #   print("index="+str(index))
 #