Source code for

from __future__ import annotations

from typing import Any, Optional

from langchain_core.callbacks import CallbackManagerForToolRun
from import BaseTool

from langchain_community.utilities.brave_search import BraveSearchWrapper

[docs]class BraveSearch(BaseTool): """Tool that queries the BraveSearch.""" name: str = "brave_search" description: str = ( "a search engine. " "useful for when you need to answer questions about current events." " input should be a search query." ) search_wrapper: BraveSearchWrapper
[docs] @classmethod def from_api_key( cls, api_key: str, search_kwargs: Optional[dict] = None, **kwargs: Any ) -> BraveSearch: """Create a tool from an api key. Args: api_key: The api key to use. search_kwargs: Any additional kwargs to pass to the search wrapper. **kwargs: Any additional kwargs to pass to the tool. Returns: A tool. """ wrapper = BraveSearchWrapper(api_key=api_key, search_kwargs=search_kwargs or {}) return cls(search_wrapper=wrapper, **kwargs)
def _run( self, query: str, run_manager: Optional[CallbackManagerForToolRun] = None, ) -> str: """Use the tool.""" return