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