This commit is contained in:
2025-11-08 17:11:36 +08:00
12 changed files with 5037 additions and 42 deletions

10
lang_agent/__init__.py Normal file
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@@ -0,0 +1,10 @@
"""
LangChain Agent - 智能代理系统
这是一个基于LangChain和LangGraph构建的智能代理系统集成了RAG(检索增强生成)、
工具调用和WebSocket通信功能。项目主要用于茶饮场景的智能对话和订单处理
支持多种工具调用和远程MCP(Model Context Protocol)服务器集成。
"""
__version__ = "0.1.0"
__author__ = "LangChain Agent Team"

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@@ -12,7 +12,11 @@ load_dotenv()
## NOTE: base classes taken from nerfstudio
class PrintableConfig:
"""Printable Config defining str function"""
"""
Printable Config defining str function
定义 __str__ 方法的可打印配置类
"""
def __str__(self):
lines = [self.__class__.__name__ + ":"]
@@ -43,25 +47,52 @@ class PrintableConfig:
# Base instantiate configs
@dataclass
class InstantiateConfig(PrintableConfig):
"""Config class for instantiating an the class specified in the _target attribute."""
"""
Config class for instantiating an the class specified in the _target attribute.
用于实例化 _target 属性指定的类的配置类
"""
_target: Type
def setup(self, **kwargs) -> Any:
"""Returns the instantiated object using the config."""
"""
Returns the instantiated object using the config.
使用配置返回实例化的对象
"""
return self._target(self, **kwargs)
def save_config(self, filename: str) -> None:
"""Save the config to a YAML file."""
"""
Save the config to a YAML file.
将配置保存到 YAML 文件
"""
def mask_value(key, value):
# Apply masking if key is secret-like
"""
Apply masking if key is secret-like
如果键是敏感的,应用掩码
检查键是否敏感(如包含 "secret""api_key"),如果是,则对值进行掩码处理
"""
if isinstance(value, str) and self.is_secrete(key):
sval = str(value)
return sval[:3] + "*" * (len(sval) - 6) + sval[-3:]
return value
def to_masked_serializable(obj):
# Recursively convert dataclasses and containers to serializable with masked secrets
"""
Recursively convert dataclasses and containers to serializable with masked secrets
递归地将数据类和容器转换为可序列化的格式,同时对敏感信息进行掩码处理
"""
if is_dataclass(obj):
out = {}
for k, v in vars(obj).items():
@@ -115,10 +146,19 @@ class KeyConfig(InstantiateConfig):
@dataclass
class ToolConfig(InstantiateConfig):
use_tool:bool = True
"""specify to use tool or not"""
"""
specify to use tool or not
指定是否使用工具
"""
def load_tyro_conf(filename: str, inp_conf = None) -> InstantiateConfig:
"""load and overwrite config from file"""
"""
load and overwrite config from file
从文件加载并覆盖配置
"""
config = yaml.load(Path(filename).read_text(), Loader=yaml.Loader)
config = ovewrite_config(config, inp_conf) if inp_conf is not None else config
@@ -127,36 +167,84 @@ def load_tyro_conf(filename: str, inp_conf = None) -> InstantiateConfig:
def is_default(instance, field_):
"""
Check if the value of a field in a dataclass instance is the default value.
检查数据类实例中字段的值是否为默认值
"""
value = getattr(instance, field_.name)
if field_.default is not MISSING:
# Compare with default value
# Compare with default value
"""
与默认值进行比较
如果字段有默认值,则将当前值与默认值进行比较
"""
return value == field_.default
elif field_.default_factory is not MISSING:
# Compare with value generated by the default factory
"""
与默认工厂生成的值进行比较
如果字段有默认工厂,则将当前值与默认工厂生成的值进行比较
"""
return value == field_.default_factory()
else:
# No default value specified
return False
def ovewrite_config(loaded_conf, inp_conf):
"""for non-default values in inp_conf, overwrite the corresponding values in loaded_conf"""
"""
for non-default values in inp_conf, overwrite the corresponding values in loaded_conf
对于 inp_conf 中的非默认值,覆盖 loaded_conf 中对应的配置
"""
if not (is_dataclass(loaded_conf) and is_dataclass(inp_conf)):
return loaded_conf
for field_ in fields(loaded_conf):
field_name = field_.name
# if field_name in inp_conf:
"""
if field_name in inp_conf:
如果字段名在 inp_conf 中,则进行覆盖
"""
current_value = getattr(inp_conf, field_name)
new_value = getattr(inp_conf, field_name) #inp_conf[field_name]
new_value = getattr(inp_conf, field_name)
"""
inp_conf[field_name]
从 inp_conf 中获取字段值
如果字段名在 inp_conf 中,则获取其值
"""
if is_dataclass(current_value):
# Recurse for nested dataclasses
"""
Recurse for nested dataclasses
递归处理嵌套的数据类
如果当前值是数据类,则递归调用 ovewrite_config 进行合并
"""
merged_value = ovewrite_config(current_value, new_value)
setattr(loaded_conf, field_name, merged_value)
elif not is_default(inp_conf, field_):
# Overwrite only if the current value is not default
"""
Overwrite only if the current value is not default
仅在当前值不是默认值时进行覆盖
如果 inp_conf 中的字段值不是默认值,则覆盖 loaded_conf 中的对应值
"""
setattr(loaded_conf, field_name, new_value)
return loaded_conf

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@@ -0,0 +1,9 @@
"""
示例工具模块
该模块包含各种示例工具的实现,用于演示代理系统的工具调用能力。
"""
from .calculator import Calculator
__all__ = ["Calculator"]

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@@ -13,7 +13,7 @@ from lang_agent.config import InstantiateConfig, ToolConfig
from lang_agent.dummy.calculator import Calculator, CalculatorConfig
from lang_agent.tool_manager import ToolManager, ToolManagerConfig
from catering_end.lang_tool import CartToolConfig, CartTool
# from catering_end.lang_tool import CartToolConfig, CartTool
@tyro.conf.configure(tyro.conf.SuppressFixed)
@dataclass
@@ -22,7 +22,7 @@ class MCPServerConfig(InstantiateConfig):
server_name:str = "langserver"
host: str = "6.6.6.136"
host: str = "127.0.0.1"
"""host of server"""
port: int = 50051

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@@ -0,0 +1,14 @@
"""
RAG (Retrieval Augmented Generation) 模块
该模块提供了检索增强生成的功能,包括:
- 嵌入向量生成和存储
- 相似度搜索和文档检索
- 基于FAISS的向量数据库支持
- 阿里云DashScope嵌入服务集成
"""
from .emb import QwenEmbeddings
from .simple import SimpleRag
__all__ = ["QwenEmbeddings", "SimpleRag"]

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@@ -7,7 +7,6 @@ import asyncio
import os.path as osp
from loguru import logger
from fastmcp.tools.tool import Tool
from lang_agent.config import InstantiateConfig, ToolConfig
from lang_agent.base import LangToolBase
from lang_agent.client_tool_manager import ClientToolManagerConfig
@@ -15,11 +14,8 @@ from lang_agent.client_tool_manager import ClientToolManagerConfig
from lang_agent.rag.simple import SimpleRagConfig
# from lang_agent.dummy.calculator import CalculatorConfig
# from catering_end.lang_tool import CartToolConfig, CartTool
from langchain_core.tools.structured import StructuredTool
from lang_agent.client_tool_manager import ClientToolManager
import jax
@tyro.conf.configure(tyro.conf.SuppressFixed)
@dataclass
class ToolManagerConfig(InstantiateConfig):