Source code for langchain_community.tools.wikipedia.tool
"""Tool for the Wikipedia API."""
from typing import Optional, Type
from langchain_core.callbacks import CallbackManagerForToolRun
from langchain_core.pydantic_v1 import BaseModel, Field
from langchain_core.tools import BaseTool
from langchain_community.utilities.wikipedia import WikipediaAPIWrapper
[docs]class WikipediaQueryRun(BaseTool):
"""Tool that searches the Wikipedia API."""
name: str = "wikipedia"
description: str = (
"A wrapper around Wikipedia. "
"Useful for when you need to answer general questions about "
"people, places, companies, facts, historical events, or other subjects. "
"Input should be a search query."
)
api_wrapper: WikipediaAPIWrapper
args_schema: Type[BaseModel] = WikipediaQueryInput
def _run(
self,
query: str,
run_manager: Optional[CallbackManagerForToolRun] = None,
) -> str:
"""Use the Wikipedia tool."""
return self.api_wrapper.run(query)