Update app.py

app.py

@@ -18,15 +18,20 @@ if selected == 'Youtube':
     
     if st.button("Download and Cut Video"):
         video_info, video_result, video_file = cut_video(video_link, resolution, start_time, end_time)
-        num_lines = video_info.count('\n') + 1
+        st.session_state.video_info = video_info
+        st.session_state.video_result = video_result
+        st.session_state.video_file = video_file
+    
+    if 'video_info' in st.session_state:
+        num_lines = st.session_state.video_info.count('\n') + 1
         text_area_height = 25 * num_lines
-        st.text_area("Informasi Video", video_info, height=text_area_height)
-        st.video(video_result)    
-        with open(video_file, 'rb') as f:
+        st.text_area("Informasi Video", st.session_state.video_info, height=text_area_height)
+        st.video(st.session_state.video_result)    
+        with open(st.session_state.video_file, 'rb') as f:
             file_contents = f.read()
         st.download_button(
             label="Download Hasil Potongan Video",
             data=file_contents,
-            file_name=video_file.replace('/home/user/app/Hasil Potong', '').title().replace('Mp4', 'mp4'),
+            file_name=st.session_state.video_file.replace('/home/user/app/Hasil Potong', '').title().replace('Mp4', 'mp4'),
             mime='application/octet-stream'
         )