From 3f555e69aeb2454adc1e668839c8dee4a583f1a7 Mon Sep 17 00:00:00 2001
From: goulustis <cnimaiv@gmail.com>
Date: Wed, 15 Oct 2025 17:26:01 +0800
Subject: [PATCH] tool manager

---
 lang_agent/tool_manager.py | 71 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 71 insertions(+)
 create mode 100644 lang_agent/tool_manager.py

diff --git a/lang_agent/tool_manager.py b/lang_agent/tool_manager.py
new file mode 100644
index 0000000..02666be
--- /dev/null
+++ b/lang_agent/tool_manager.py
@@ -0,0 +1,71 @@
+from dataclasses import dataclass, field, is_dataclass
+from typing import Type, List
+import tyro
+import json
+import asyncio
+import os.path as osp
+from loguru import logger
+from fastmcp.tools.tool import FunctionTool
+
+from lang_agent.config import InstantiateConfig, ToolConfig
+from lang_agent.base import LangToolBase
+
+## import tool configs
+from lang_agent.rag.simple import SimpleRagConfig
+from lang_agent.dummy.calculator import CalculatorConfig
+from catering_end.lang_tool import CartToolConfig, CartTool
+
+@tyro.conf.configure(tyro.conf.SuppressFixed)
+@dataclass
+class ToolManagerConfig(InstantiateConfig):
+    _target: Type = field(default_factory=lambda: ToolManager)
+
+    # tool configs here; 
+    rag_config: SimpleRagConfig = field(default_factory=SimpleRagConfig)
+
+    cart_config: CartToolConfig = field(default_factory=CartToolConfig)
+
+    calc_config: CalculatorConfig = field(default_factory=CalculatorConfig)
+
+
+class ToolManager:
+    def __init__(self, config:ToolManagerConfig):
+        self.config = config
+
+        self.tool_fncs = []    # list of functions that should be turned into tools
+        self.populate_modules()
+    
+    def _get_tool_config(self)->List[ToolConfig]:
+        tool_confs = []
+        for e in dir(self.config):
+            el = getattr(self.config, e)
+            if ("calc_config" in e) and is_dataclass(el):
+                tool_confs.append(el)
+        
+        return tool_confs
+    
+    def _get_tool_fnc(self, tool_obj:LangToolBase)->List:
+        fnc_list = []
+        for fnc in tool_obj:
+            if isinstance(fnc, FunctionTool):
+                fnc = fnc.fn
+            fnc_list.append(fnc)
+        
+        return fnc_list
+
+
+    def populate_modules(self):
+        """instantiate all object with tools"""
+
+        self.tool_fncs = []
+        tool_configs = self._get_tool_config()
+        for tool_conf in tool_configs:
+            if tool_conf.use_tool:
+                logger.info(f"using tool:{tool_conf._target}")
+                self.tool_fncs.extend(self._get_tool_fnc(tool_conf.setup()))
+            else:
+                logger.info(f"skipping tool:{tool_conf._target}")
+    
+    
+    def get_tool_fncs(self):
+        return self.tool_fncs