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"""Requests toolkit."""
from __future__ import annotations
from typing import Any, List
from langchain.agents.agent import AgentExecutor
from langchain.agents.agent_toolkits.base import BaseToolkit
from langchain.agents.agent_toolkits.json.base import create_json_agent
from langchain.agents.agent_toolkits.json.toolkit import JsonToolkit
from langchain.agents.agent_toolkits.openapi.prompt import DESCRIPTION
from langchain.agents.tools import Tool
from langchain.llms.base import BaseLLM
from langchain.requests import RequestsWrapper
from langchain.tools import BaseTool
from langchain.tools.json.tool import JsonSpec
from langchain.tools.requests.tool import (
RequestsDeleteTool,
RequestsGetTool,
RequestsPatchTool,
RequestsPostTool,
RequestsPutTool,
)
class RequestsToolkit(BaseToolkit):
"""Toolkit for making requests."""
requests_wrapper: RequestsWrapper
def get_tools(self) -> List[BaseTool]:
"""Return a list of tools."""
return [
RequestsGetTool(requests_wrapper=self.requests_wrapper),
RequestsPostTool(requests_wrapper=self.requests_wrapper),
RequestsPatchTool(requests_wrapper=self.requests_wrapper),
RequestsPutTool(requests_wrapper=self.requests_wrapper),
RequestsDeleteTool(requests_wrapper=self.requests_wrapper),
]
class OpenAPIToolkit(BaseToolkit):
"""Toolkit for interacting with a OpenAPI api."""
json_agent: AgentExecutor
requests_wrapper: RequestsWrapper
def get_tools(self) -> List[BaseTool]:
"""Get the tools in the toolkit."""
json_agent_tool = Tool(
name="json_explorer",
func=self.json_agent.run,
description=DESCRIPTION,
)
request_toolkit = RequestsToolkit(requests_wrapper=self.requests_wrapper)
return [*request_toolkit.get_tools(), json_agent_tool]
@classmethod
def from_llm(
cls,
llm: BaseLLM,
json_spec: JsonSpec,
requests_wrapper: RequestsWrapper,
**kwargs: Any,
) -> OpenAPIToolkit:
"""Create json agent from llm, then initialize."""
json_agent = create_json_agent(llm, JsonToolkit(spec=json_spec), **kwargs)
return cls(json_agent=json_agent, requests_wrapper=requests_wrapper)
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