MetaGPT/metagpt/team.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
@Time    : 2023/5/12 00:30
@Author  : alexanderwu
@File    : software_company.py
"""
from pathlib import Path
from pydantic import BaseModel, Field

from metagpt.actions import BossRequirement
from metagpt.config import CONFIG
from metagpt.environment import Environment
from metagpt.logs import logger
from metagpt.roles import Role
from metagpt.schema import Message
from metagpt.utils.common import NoMoneyException
from metagpt.utils.utils import read_json_file, write_json_file, serialize_decorator
from metagpt.const import SERDESER_PATH


class Team(BaseModel):
    """
    Team: Possesses one or more roles (agents), SOP (Standard Operating Procedures), and a platform for instant messaging,
    dedicated to perform any multi-agent activity, such as collaboratively writing executable code.
    """
    environment: Environment = Field(default_factory=Environment)
    investment: float = Field(default=10.0)
    idea: str = Field(default="")

    class Config:
        arbitrary_types_allowed = True

    def serialize(self, stg_path: Path = None):
        stg_path = SERDESER_PATH.joinpath("team") if stg_path is None else stg_path

        team_info_path = stg_path.joinpath("team_info.json")
        write_json_file(team_info_path, self.dict(exclude={"environment": True}))

        self.environment.serialize(stg_path.joinpath("environment"))  # save environment alone

    @classmethod
    def recover(cls, stg_path: Path) -> "Team":
        return cls.deserialize(stg_path)

    @classmethod
    def deserialize(cls, stg_path: Path) -> "Team":
        """ stg_path = ./storage/team """
        # recover team_info
        team_info_path = stg_path.joinpath("team_info.json")
        if not team_info_path.exists():
            raise FileNotFoundError("recover storage meta file `team_info.json` not exist, "
                                    "not to recover and please start a new project.")

        team_info: dict = read_json_file(team_info_path)

        # recover environment
        environment = Environment.deserialize(stg_path=stg_path.joinpath("environment"))
        team_info.update({"environment": environment})

        team = Team(**team_info)
        return team

    def hire(self, roles: list[Role]):
        """Hire roles to cooperate"""
        self.environment.add_roles(roles)

    def invest(self, investment: float):
        """Invest company. raise NoMoneyException when exceed max_budget."""
        self.investment = investment
        CONFIG.max_budget = investment
        logger.info(f'Investment: ${investment}.')

    def _check_balance(self):
        if CONFIG.total_cost > CONFIG.max_budget:
            raise NoMoneyException(CONFIG.total_cost, f'Insufficient funds: {CONFIG.max_budget}')

    def start_project(self, idea, send_to: str = ""):
        """Start a project from publishing boss requirement."""
        self.idea = idea
        self.environment.publish_message(Message(role="Human", content=idea, cause_by=BossRequirement, send_to=send_to))

    def _save(self):
        logger.info(self.json())

    @serialize_decorator
    async def run(self, n_round=3):
        """Run company until target round or no money"""
        while n_round > 0:
            # self._save()
            n_round -= 1
            logger.debug(f"{n_round=}")
            self._check_balance()
            await self.environment.run()
        return self.environment.history