permchain_example/editor_actors/editor.py

from langchain.chat_models import ChatOpenAI
from langchain.prompts import SystemMessagePromptTemplate
from config import Config

CFG = Config()

EDIT_TEMPLATE = """You are an editor. \
You have been tasked with editing the following draft, which was written by a non-expert. \
Please accept the draft if it is good enough to publish, or send it for revision, along with your notes to guide the revision. \
Things you should be checking for:

- This draft MUST fully answer the original question
- This draft MUST be written in apa format

If not all of the above criteria are met, you should send appropriate revision notes.
"""


class EditorActor:
    def __init__(self):
        self.model = ChatOpenAI(model=CFG.smart_llm_model)
        self.prompt = SystemMessagePromptTemplate.from_template(EDIT_TEMPLATE) + "Draft:\n\n{draft}"
        self.functions = [
            {
                "name": "revise",
                "description": "Sends the draft for revision",
                "parameters": {
                    "type": "object",
                    "properties": {
                        "notes": {
                            "type": "string",
                            "description": "The editor's notes to guide the revision.",
                        },
                    },
                },
            },
            {
                "name": "accept",
                "description": "Accepts the draft",
                "parameters": {
                    "type": "object",
                    "properties": {"ready": {"const": True}},
                },
            },
        ]

    @property
    def runnable(self):
        return (
            self.prompt | self.model.bind(functions=self.functions)
        )