fix: incompatibility issue of browser-use in version 0.1.41

Author: zhayujie

README.md

@@ -55,7 +55,7 @@ pip install -r requirements.txt
 For browser tools, install additional dependencies (python3.11+ required):
 
 ```bash
-pip install browser-use
+pip install browser-use==0.1.40
 playwright install
 ```
 

agentmesh/tools/browser/browser_tool.py

@@ -141,7 +141,7 @@ def execute(self, params: Dict[str, Any]) -> ToolResult:
             return ToolResult.fail(result=f"Error executing browser action: {str(e)}")
 
     async def _get_page_state(self, context: BrowserContext):
-        state = await context.get_state()
+        state = await self._get_state(context)
         include_attributes = ["img", "div", "button", "input"]
         elements = state.element_tree.clickable_elements_to_string(include_attributes)
         pattern = r'\[\d+\]<[^>]+\/>'
@@ -157,6 +157,12 @@ async def _get_page_state(self, context: BrowserContext):
         }
         return page_state
 
+    async def _get_state(self, context: BrowserContext, cache_clickable_elements_hashes=True):
+        try:
+            return await context.get_state()
+        except TypeError:
+            return await context.get_state(cache_clickable_elements_hashes=cache_clickable_elements_hashes)
+
     async def _get_page_info(self, context: BrowserContext):
         page_state = await self._get_page_state(context)
         state_str = f"""## Current browser state

docs/README-CN.md

@@ -51,7 +51,7 @@ pip install -r requirements.txt
 如需使用浏览器工具，还需要额外安装依赖 (可选，需要 python3.11+):
 
 ```bash
-pip install browser-use
+pip install browser-use==0.1.40
 playwright install
 ```