end to end, no error, no exception

app.py

@@ -156,14 +156,14 @@ if uploaded_locked_pdf_file is not None:
 if 'page_count' in st.session_state:
     st.write(f"total page count = {st.session_state.page_count}")
     if 'num_pages_to_extract'not in st.session_state:
-        st.session_state.num_pages_to_extract = st.slider('Number of pages to extract:', min_value=1, max_value=st.session_state.page_count-1, value=34, key='num_pages_to_extract_slider')
+        st.session_state.num_pages_to_extract = st.slider('Start page number:', min_value=1, max_value=st.session_state.page_count-1, value=1, key='num_pages_to_extract_slider')
     else:
-        st.session_state.num_pages_to_extract = st.slider('Number of pages to extract:', min_value=1, max_value=st.session_state.page_count-1, value=st.session_state.num_pages_to_extract , key='num_pages_to_extract_slider')
+        st.session_state.num_pages_to_extract = st.slider('Start page number:', min_value=1, max_value=st.session_state.page_count-1, value=st.session_state.num_pages_to_extract , key='num_pages_to_extract_slider')
 
     if 'num_pages_to_extract2'not in st.session_state:
-        st.session_state.num_pages_to_extract2 = st.slider('Number of pages to extract:', min_value=1, max_value=st.session_state.page_count-1, value=39, key='num_pages_to_extract_slider2')
+        st.session_state.num_pages_to_extract2 = st.slider('End page number', min_value=1, max_value=st.session_state.page_count-1, value=st.session_state.page_count-1, key='num_pages_to_extract_slider2')
     else:
-        st.session_state.num_pages_to_extract2 = st.slider('Number of pages to extract:', min_value=1, max_value=st.session_state.page_count-1, value=st.session_state.num_pages_to_extract2 , key='num_pages_to_extract_slider2')
+        st.session_state.num_pages_to_extract2 = st.slider('End Page number', min_value=1, max_value=st.session_state.page_count-1, value=st.session_state.num_pages_to_extract2 , key='num_pages_to_extract_slider2')
 
 
     st.write(f"num of pages to extract {st.session_state.num_pages_to_extract}")
@@ -191,10 +191,11 @@ if 'page_count' in st.session_state:
              read_pdf_progress_bar.progress(progress_percentage)
         read_pdf_progress_bar.progress(0)
         for index, image in enumerate(st.session_state.color_image_list):
-            st.write("actual page = " + str(index + st.session_state.num_pages_to_extract))
+            # st.write("actual page = " + str(index + st.session_state.num_pages_to_extract))
             image_np = np.array(image)
             gray_image_np=cv2.cvtColor(np.array(image_np), cv2.COLOR_BGR2GRAY)
-            cv2.imwrite(f"gray_image_{index}.png", gray_image_np)
+            # uncomment to find xy coordinates
+            # cv2.imwrite(f"gray_image_{index}.png", gray_image_np)
             # st.image(Image.fromarray(gray_image_np))
             if index + st.session_state.num_pages_to_extract == 34:
                 cv2.line(gray_image_np, (223, 414), (223, 1185), 0, 2)
@@ -202,7 +203,19 @@ if 'page_count' in st.session_state:
             if index + st.session_state.num_pages_to_extract == 35:
                 cv2.line(gray_image_np, (176, 248), (176, 1760), 0, 2)
                 cv2.line(gray_image_np, (1551, 248), (1551, 1760), 0, 2)
-            st.image(Image.fromarray(gray_image_np))
+            if index + st.session_state.num_pages_to_extract == 36:
+                cv2.line(gray_image_np, (225, 229), (225, 1703), 0, 2)
+                cv2.line(gray_image_np, (1601, 229), (1601, 1703), 0, 2)
+            if index + st.session_state.num_pages_to_extract == 37:
+                cv2.line(gray_image_np, (173, 227), (173, 1790), 0, 2)
+                cv2.line(gray_image_np, (1550, 227), (1550, 1790), 0, 2)
+            if index + st.session_state.num_pages_to_extract == 38:
+                cv2.line(gray_image_np, (222, 227), (222, 1444), 0, 2)
+                cv2.line(gray_image_np, (1600, 227), (1600, 1444), 0, 2)
+            if index + st.session_state.num_pages_to_extract == 39:
+                cv2.line(gray_image_np, (175, 227), (175, 1229), 0, 2)
+                cv2.line(gray_image_np, (1551, 227), (1551, 1229), 0, 2)
+            # st.image(Image.fromarray(gray_image_np))
             st.session_state.gray_image_np_list.append(gray_image_np)