Merge pull request #117 from vvincent1234/fix/win_font_error

hotfix font error and stream error

Author: warmshao

requirements.txt

@@ -1,4 +1,4 @@
-browser-use==0.1.18
+browser-use==0.1.19
 langchain-google-genai==2.0.8
 pyperclip==1.9.0
 gradio==5.9.1

webui.py

@@ -189,7 +189,7 @@ async def run_browser_agent(
             trace_file,
             history_file,
             gr.update(value="Stop", interactive=True),  # Re-enable stop button
-            gr.update(value="Run", interactive=True)    # Re-enable run button
+            gr.update(interactive=True)    # Re-enable run button
         )
 
     except Exception as e:
@@ -205,7 +205,7 @@ async def run_browser_agent(
             None,                                       # history_file
             None,                                       # trace_file
             gr.update(value="Stop", interactive=True),  # Re-enable stop button
-            gr.update(value="Run", interactive=True)    # Re-enable run button
+            gr.update(interactive=True)    # Re-enable run button
         )
 
 
@@ -422,6 +422,7 @@ async def run_with_stream(
     max_actions_per_step,
     tool_call_in_content
 ):
+    global _global_agent_state
     stream_vw = 80
     stream_vh = int(80 * window_h // window_w)
     if not headless:
@@ -454,6 +455,7 @@ async def run_with_stream(
         yield [html_content] + list(result)
     else:
         try:
+            _global_agent_state.clear_stop()
             # Run the browser agent in the background
             agent_task = asyncio.create_task(
                 run_browser_agent(
@@ -485,7 +487,7 @@ async def run_with_stream(
             # Initialize values for streaming
             html_content = f"<h1 style='width:{stream_vw}vw; height:{stream_vh}vh'>Using browser...</h1>"
             final_result = errors = model_actions = model_thoughts = ""
-            latest_videos = trace = None
+            latest_videos = trace = history_file = None
 
 
             # Periodically update the stream while the agent task is running
@@ -498,27 +500,40 @@ async def run_with_stream(
                         html_content = f"<h1 style='width:{stream_vw}vw; height:{stream_vh}vh'>Waiting for browser session...</h1>"
                 except Exception as e:
                     html_content = f"<h1 style='width:{stream_vw}vw; height:{stream_vh}vh'>Waiting for browser session...</h1>"
-                
-                yield [
-                    html_content,
-                    final_result,
-                    errors,
-                    model_actions,
-                    model_thoughts,
-                    latest_videos,
-                    trace,
-                    gr.update(value="Stop", interactive=True),  # Re-enable stop button
-                    gr.update(value="Run", interactive=True)    # Re-enable run button
-                ]
+
+                if _global_agent_state and _global_agent_state.is_stop_requested():
+                    yield [
+                        html_content,
+                        final_result,
+                        errors,
+                        model_actions,
+                        model_thoughts,
+                        latest_videos,
+                        trace,
+                        history_file,
+                        gr.update(value="Stopping...", interactive=False),  # stop_button
+                        gr.update(interactive=False),  # run_button
+                    ]
+                    break
+                else:
+                    yield [
+                        html_content,
+                        final_result,
+                        errors,
+                        model_actions,
+                        model_thoughts,
+                        latest_videos,
+                        trace,
+                        history_file,
+                        gr.update(value="Stop", interactive=True),  # Re-enable stop button
+                        gr.update(interactive=True)  # Re-enable run button
+                    ]
                 await asyncio.sleep(0.05)
 
             # Once the agent task completes, get the results
             try:
                 result = await agent_task
-                if isinstance(result, tuple) and len(result) == 8:
-                    final_result, errors, model_actions, model_thoughts, latest_videos, trace, stop_button, run_button = result
-                else:
-                    errors = "Unexpected result format from agent"
+                final_result, errors, model_actions, model_thoughts, latest_videos, trace, history_file, stop_button, run_button = result
             except Exception as e:
                 errors = f"Agent error: {str(e)}"
 
@@ -530,6 +545,7 @@ async def run_with_stream(
                 model_thoughts,
                 latest_videos,
                 trace,
+                history_file,
                 stop_button,
                 run_button
             ]
@@ -544,8 +560,9 @@ async def run_with_stream(
                 "",
                 None,
                 None,
+                None,
                 gr.update(value="Stop", interactive=True),  # Re-enable stop button
-                gr.update(value="Run", interactive=True)    # Re-enable run button
+                gr.update(interactive=True)    # Re-enable run button
             ]
 
 # Define the theme map globally