Update langgraph_agent.py

langgraph_agent.py

@@ -67,6 +67,21 @@ def speech_to_text(audio_path: str) -> str:
     """
     return speech_to_text_tool(audio_path=audio_path)
 
+@tool
+def read_file_contents(file_path: str) -> str:
+    """
+    Read and return the contents of a file as a string.
+    Args:
+        file_path (str): The path to the file to read.
+    Returns:
+        str: The contents of the file, or an error message if the file cannot be read.
+    """
+    try:
+        with open(file_path, 'r', encoding='utf-8') as f:
+            return f.read()
+    except Exception as e:
+        return f"Error reading file: {e}"
+
 
 def prompt(state: AgentState, config: RunnableConfig) -> list[AnyMessage]:
     file_path = config["configurable"].get("file_path", "")
@@ -84,6 +99,6 @@ def prompt(state: AgentState, config: RunnableConfig) -> list[AnyMessage]:
 
 react_agent = create_react_agent(
     model=chat,
-    tools=[duckduckgo, wikipedia, visit_webpage, python_interpreter, speech_to_text],
+    tools=[duckduckgo, wikipedia, visit_webpage, python_interpreter, speech_to_text, read_file_contents],
     prompt=prompt,
 )