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Robert Caulk 54adcd9e82 community[minor]: add AskNews retriever and AskNews tool (#21581) ... We add a tool and retriever for the [AskNews](https://asknews.app) platform with example notebooks. The retriever can be invoked with: ```py from langchain_community.retrievers import AskNewsRetriever retriever = AskNewsRetriever(k=3) retriever.invoke("impact of fed policy on the tech sector") ``` To retrieve 3 documents in then news related to fed policy impacts on the tech sector. The included notebook also includes deeper details about controlling filters such as category and time, as well as including the retriever in a chain. The tool is quite interesting, as it allows the agent to decide how to obtain the news by forming a query and deciding how far back in time to look for the news: ```py from langchain_community.tools.asknews import AskNewsSearch from langchain import hub from langchain.agents import AgentExecutor, create_openai_functions_agent from langchain_openai import ChatOpenAI tool = AskNewsSearch() instructions = """You are an assistant.""" base_prompt = hub.pull("langchain-ai/openai-functions-template") prompt = base_prompt.partial(instructions=instructions) llm = ChatOpenAI(temperature=0) asknews_tool = AskNewsSearch() tools = [asknews_tool] agent = create_openai_functions_agent(llm, tools, prompt) agent_executor = AgentExecutor( agent=agent, tools=tools, verbose=True, ) agent_executor.invoke({"input": "How is the tech sector being affected by fed policy?"}) ``` --------- Co-authored-by: Emre <e@emre.pm>		4 months ago
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audio	community[minor]: add hugging face text-to-speech inference API (#18880)	6 months ago
eden_ai	community[patch]: upgrade to recent version of mypy (#21616)	4 months ago
file_management	infra: Fix test filesystem paths incompatible with windows (#14388)	9 months ago
gmail	community: add args_schema to GmailSendMessage (#14973)	9 months ago
openai_dalle_image_generation	community[patch]: add Integration for OpenAI image gen with v1 sdk (#17771)	6 months ago
openapi	community[major], core[patch], langchain[patch], experimental[patch]: Create langchain-community (#14463)	10 months ago
powerbi	community[major], core[patch], langchain[patch], experimental[patch]: Create langchain-community (#14463)	10 months ago
requests	Add dangerous parameter to requests tool (#18697)	7 months ago
shell	community[patch]: Basic Logging and Human input to ShellTool (#15932)	8 months ago
__init__.py	community[major], core[patch], langchain[patch], experimental[patch]: Create langchain-community (#14463)	10 months ago
test_exported.py	community: Vectara summarization (#14970)	9 months ago
test_imports.py	community[minor]: add AskNews retriever and AskNews tool (#21581)	4 months ago
test_json.py	community[major], core[patch], langchain[patch], experimental[patch]: Create langchain-community (#14463)	10 months ago
test_public_api.py	community[minor]: add AskNews retriever and AskNews tool (#21581)	4 months ago
test_signatures.py	community[major], core[patch], langchain[patch], experimental[patch]: Create langchain-community (#14463)	10 months ago
test_you.py	community[patch]: upgrade to recent version of mypy (#21616)	4 months ago
test_zapier.py	community[patch]: upgrade to recent version of mypy (#21616)	4 months ago