Update app.py

app.py

@@ -17,14 +17,6 @@ col1, col2 = st.columns([4, 1])
 with col1:
     youtube_url = st.text_input('Enter YouTube video URL')
 
-with col2:
-    if st.button('새로고침'):
-        st.session_state.clear()  # 세션 초기화
-        st.experimental_rerun()  # 페이지를 새로고침하여 애플리케이션 재실행
-
-if 'confirmed' not in st.session_state:
-    st.session_state.confirmed = False
-
 def fetch_video_info(youtube_url):
     ydl_opts = {'nocheckcertificate': True}
     with yt_dlp.YoutubeDL(ydl_opts) as ydl:
@@ -42,16 +34,16 @@ def get_available_formats(info_dict):
                 formats[resolution] = f"{resolution} - {filesize_mb} MB"
     return list(formats.values())
 
+# "확인" 버튼을 누르면 처리할 로직
 if st.button('확인'):
     if youtube_url:
         try:
-            # 새로운 URL이 입력되었을 때 세션 초기화
+            # 세션 상태 초기화 및 URL 변경 확인
             if 'youtube_url' in st.session_state and st.session_state.youtube_url != youtube_url:
                 st.session_state.confirmed = False  # 세션 초기화
                 st.session_state.pop('info_dict', None)
                 st.session_state.pop('thumbnail_url', None)
                 st.session_state.pop('formats', None)
-                st.session_state.pop('youtube_url', None)
 
             st.session_state.youtube_url = youtube_url
             info_dict = fetch_video_info(youtube_url)
@@ -64,7 +56,7 @@ if st.button('확인'):
     else:
         st.warning('Please enter a valid YouTube video URL')
 
-if st.session_state.confirmed:
+if 'confirmed' in st.session_state and st.session_state.confirmed:
     st.image(st.session_state.thumbnail_url, caption='Video Thumbnail', use_column_width=True)
 
     # 해상도 선택
@@ -98,5 +90,10 @@ if st.session_state.confirmed:
                     file_name='downloaded_video.mp4',
                     mime='video/mp4'
                 )
+
+            # 추출된 영상 정보 출력
+            st.write(f"**제목:** {st.session_state.info_dict['title']}")
+            st.write(f"**채널명:** {st.session_state.info_dict['uploader']}")
+            st.write(f"**업로드 날짜:** {st.session_state.info_dict['upload_date']}")
         except Exception as e:
             st.error(f"An error occurred during download: {e}")