Update app.py

app.py

@@ -104,10 +104,10 @@ def on_select(space):
         print(traceback.format_exc())
         return f"오류가 발생했습니다: {str(e)}", "", ""
 
-def update_screenshot(url):
-    if url:
-        return take_screenshot(url)
-    return None
+def update_screenshot(url, last_url):
+    if url and url != last_url:
+        return take_screenshot(url), url
+    return None, last_url
         
 def take_screenshot(url):
     try:
@@ -146,7 +146,8 @@ def create_ui():
 
                 with gr.Column(scale=1):
                     info_output = gr.Textbox(label="Space 정보 및 요약", lines=20)
-                    url_state = gr.Textbox(visible=False)
+                    url_state = gr.State("")
+                    last_url_state = gr.State("")
                     screenshot_output = gr.Image(type="pil", label="Live 화면", height=360, width=600)
                     app_py_content = gr.Code(language="python", label="메인 소스코드")
 
@@ -157,11 +158,11 @@ def create_ui():
                         outputs=[info_output, app_py_content, url_state]
                     )
 
-                url_state.change(
-                    update_screenshot,
-                    inputs=[url_state],
-                    outputs=[screenshot_output],
-                    every=5
+                demo.add_periodic_callback(
+                    lambda: update_screenshot(url_state.value, last_url_state.value), 
+                    5,
+                    inputs=[url_state, last_url_state],
+                    outputs=[screenshot_output, last_url_state]
                 )
 
         return demo