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117 lines
5.1 KiB
Python
117 lines
5.1 KiB
Python
import os
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from haystack.agents import Agent, Tool
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from haystack.agents.base import ToolsManager
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from haystack.agents.types import AgentToolLogger
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from haystack.nodes import PromptNode, PromptTemplate
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from haystack.nodes.retriever.web import WebRetriever
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from haystack.pipelines import WebQAPipeline
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search_key = os.environ.get("SERPERDEV_API_KEY")
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if not search_key:
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raise ValueError("Please set the SERPERDEV_API_KEY environment variable")
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openai_key = os.environ.get("OPENAI_API_KEY")
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if not openai_key:
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raise ValueError("Please set the OPENAI_API_KEY environment variable")
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pn = PromptNode(
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"gpt-3.5-turbo",
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api_key=openai_key,
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max_length=256,
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default_prompt_template="question-answering-with-document-scores",
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)
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web_retriever = WebRetriever(api_key=search_key)
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pipeline = WebQAPipeline(retriever=web_retriever, prompt_node=pn)
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few_shot_prompt = """
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You are a helpful and knowledgeable agent. To achieve your goal of answering complex questions correctly, you have access to the following tools:
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Search: useful for when you need to Google questions. You should ask targeted questions, for example, Who is Anthony Dirrell's brother?
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To answer questions, you'll need to go through multiple steps involving step-by-step thinking and selecting appropriate tools and their inputs; tools will respond with observations. When you are ready for a final answer, respond with the `Final Answer:`
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Examples:
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##
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Question: Anthony Dirrell is the brother of which super middleweight title holder?
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Thought: Let's think step by step. To answer this question, we first need to know who Anthony Dirrell is.
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Tool: Search
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Tool Input: Who is Anthony Dirrell?
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Observation: Boxer
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Thought: We've learned Anthony Dirrell is a Boxer. Now, we need to find out who his brother is.
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Tool: Search
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Tool Input: Who is Anthony Dirrell brother?
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Observation: Andre Dirrell
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Thought: We've learned Andre Dirrell is Anthony Dirrell's brother. Now, we need to find out what title Andre Dirrell holds.
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Tool: Search
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Tool Input: What is the Andre Dirrell title?
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Observation: super middleweight
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Thought: We've learned Andre Dirrell title is super middleweight. Now, we can answer the question.
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Final Answer: Andre Dirrell
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##
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Question: What year was the party of the winner of the 1971 San Francisco mayoral election founded?
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Thought: Let's think step by step. To answer this question, we first need to know who won the 1971 San Francisco mayoral election.
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Tool: Search
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Tool Input: Who won the 1971 San Francisco mayoral election?
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Observation: Joseph Alioto
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Thought: We've learned Joseph Alioto won the 1971 San Francisco mayoral election. Now, we need to find out what party he belongs to.
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Tool: Search
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Tool Input: What party does Joseph Alioto belong to?
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Observation: Democratic Party
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Thought: We've learned Democratic Party is the party of Joseph Alioto. Now, we need to find out when the Democratic Party was founded.
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Tool: Search
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Tool Input: When was the Democratic Party founded?
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Observation: 1828
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Thought: We've learned the Democratic Party was founded in 1828. Now, we can answer the question.
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Final Answer: 1828
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##
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Question: Right Back At It Again contains lyrics co-written by the singer born in what city?
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Thought: Let's think step by step. To answer this question, we first need to know what song the question is referring to.
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Tool: Search
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Tool Input: What is the song Right Back At It Again?
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Observation: "Right Back at It Again" is the song by A Day to Remember
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Thought: We've learned Right Back At It Again is a song by A Day to Remember. Now, we need to find out who co-wrote the song.
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Tool: Search
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Tool Input: Who co-wrote the song Right Back At It Again?
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Observation: Jeremy McKinnon
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Thought: We've learned Jeremy McKinnon co-wrote the song Right Back At It Again. Now, we need to find out what city he was born in.
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Tool: Search
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Tool Input: Where was Jeremy McKinnon born?
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Observation: Gainsville, Florida
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Thought: We've learned Gainsville, Florida is the city Jeremy McKinnon was born in. Now, we can answer the question.
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Final Answer: Gainsville, Florida
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##
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Question: {query}
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Thought:
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{transcript}
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"""
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few_shot_agent_template = PromptTemplate(few_shot_prompt)
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prompt_node = PromptNode(
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"gpt-3.5-turbo", api_key=os.environ.get("OPENAI_API_KEY"), max_length=512, stop_words=["Observation:"]
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)
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web_qa_tool = Tool(
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name="Search",
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pipeline_or_node=pipeline,
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description="useful for when you need to Google questions.",
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output_variable="results",
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)
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agent = Agent(
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prompt_node=prompt_node, prompt_template=few_shot_agent_template, tools_manager=ToolsManager([web_qa_tool])
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)
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atl = AgentToolLogger(agent_events=agent.callback_manager, tool_events=agent.tm.callback_manager)
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hotpot_questions = [
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"What year was the father of the Princes in the Tower born?",
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"Name the movie in which the daughter of Noel Harrison plays Violet Trefusis.",
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"Where was the actress who played the niece in the Priest film born?",
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"Which author is English: John Braine or Studs Terkel?",
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]
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verbose = False
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for question in hotpot_questions:
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result = agent.run(query=question)
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print(f"\n{result}")
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if verbose:
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print(f"\n{atl.logs}")
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