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community: Add PolygonTickerNews Tool (#17808)
Description: In this PR, I am adding a PolygonTickerNews Tool, which can be used to get the latest news for a given ticker / stock. Twitter handle: [@virattt](https://twitter.com/virattt)
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"""Polygon IO tools.""" | ||
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from langchain_community.tools.polygon.last_quote import PolygonLastQuote | ||
from langchain_community.tools.polygon.ticker_news import PolygonTickerNews | ||
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__all__ = [ | ||
"PolygonLastQuote", | ||
"PolygonTickerNews", | ||
] |
36 changes: 36 additions & 0 deletions
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libs/community/langchain_community/tools/polygon/ticker_news.py
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from typing import Optional, Type | ||
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from langchain_core.callbacks import CallbackManagerForToolRun | ||
from langchain_core.pydantic_v1 import BaseModel | ||
from langchain_core.tools import BaseTool | ||
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from langchain_community.utilities.polygon import PolygonAPIWrapper | ||
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class Inputs(BaseModel): | ||
"""Inputs for Polygon's Ticker News API""" | ||
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query: str | ||
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class PolygonTickerNews(BaseTool): | ||
"""Tool that gets the latest news for a given ticker from Polygon""" | ||
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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 | ||
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api_wrapper: PolygonAPIWrapper | ||
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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) |
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