Source code for langchain_community.tools.polygon.ticker_news
from typing import Optional, Type
from langchain_core.callbacks import CallbackManagerForToolRun
from langchain_core.pydantic_v1 import BaseModel
from langchain_core.tools import BaseTool
from langchain_community.utilities.polygon import PolygonAPIWrapper
[docs]class PolygonTickerNews(BaseTool):
"""Tool that gets the latest news for a given ticker from Polygon"""
mode: str = "get_ticker_news"
name: str = "polygon_ticker_news"
description: str = (
"A wrapper around Polygon's Ticker News API. "
"This tool is useful for fetching the latest news for a stock. "
"Input should be the ticker that you want to get the latest news for."
)
args_schema: Type[BaseModel] = Inputs
api_wrapper: PolygonAPIWrapper
def _run(
self,
query: str,
run_manager: Optional[CallbackManagerForToolRun] = None,
) -> str:
"""Use the Polygon API tool."""
return self.api_wrapper.run(self.mode, ticker=query)