mirror of
https://github.com/hwchase17/langchain
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48 lines
1.4 KiB
Python
48 lines
1.4 KiB
Python
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from typing import List, Tuple
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from ionic_langchain.tool import IonicTool
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from langchain.agents import AgentExecutor, create_openai_tools_agent
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from langchain_core.messages import AIMessage, SystemMessage
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from langchain_core.prompts import (
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ChatPromptTemplate,
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HumanMessagePromptTemplate,
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MessagesPlaceholder,
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)
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from langchain_core.pydantic_v1 import BaseModel, Field
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from langchain_openai import ChatOpenAI
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tools = [IonicTool().tool()]
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llm = ChatOpenAI(temperature=0.5, model_name="gpt-3.5-turbo-1106", streaming=True)
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# You can modify these!
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AI_CONTENT = """
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I should use the full pdp url that the tool provides me.
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Always include query parameters
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"""
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SYSTEM_CONTENT = """
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You are a shopping assistant.
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You help humans find the best product given their {input}.
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"""
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messages = [
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SystemMessage(content=SYSTEM_CONTENT),
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HumanMessagePromptTemplate.from_template("{input}"),
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AIMessage(content=AI_CONTENT),
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MessagesPlaceholder(variable_name="agent_scratchpad"),
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]
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prompt = ChatPromptTemplate.from_messages(messages)
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agent = create_openai_tools_agent(llm, tools, prompt)
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class AgentInput(BaseModel):
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input: str
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chat_history: List[Tuple[str, str]] = Field(
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..., extra={"widget": {"type": "chat", "input": "input", "output": "output"}}
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)
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agent_executor = AgentExecutor(agent=agent, tools=tools, verbose=True).with_types(
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input_type=AgentInput
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)
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