Files
PrimAITE/src/primaite/session/io.py
2024-03-15 11:15:02 +00:00

97 lines
4.0 KiB
Python

import json
from datetime import datetime
from pathlib import Path
from typing import Dict, List, Optional
from pydantic import BaseModel, ConfigDict
from primaite import getLogger, PRIMAITE_PATHS
from primaite.simulator import SIM_OUTPUT
_LOGGER = getLogger(__name__)
class PrimaiteIO:
"""
Class for managing session IO.
Currently it's handling path generation, but could expand to handle loading, transaction, and so on.
"""
class Settings(BaseModel):
"""Config schema for PrimaiteIO object."""
model_config = ConfigDict(extra="forbid")
save_logs: bool = True
"""Whether to save logs"""
save_agent_actions: bool = True
"""Whether to save a log of all agents' actions every step."""
save_step_metadata: bool = False
"""Whether to save the RL agents' action, environment state, and other data at every single step."""
save_pcap_logs: bool = False
"""Whether to save PCAP logs."""
save_sys_logs: bool = False
"""Whether to save system logs."""
def __init__(self, settings: Optional[Settings] = None) -> None:
"""
Init the PrimaiteIO object.
Note: Instantiating this object creates a new directory for outputs, and sets the global SIM_OUTPUT variable.
It is intended that this object is instantiated when a new environment is created.
"""
self.settings = settings or PrimaiteIO.Settings()
self.session_path: Path = self.generate_session_path()
# set global SIM_OUTPUT path
SIM_OUTPUT.path = self.session_path / "simulation_output"
SIM_OUTPUT.save_pcap_logs = self.settings.save_pcap_logs
SIM_OUTPUT.save_sys_logs = self.settings.save_sys_logs
def generate_session_path(self, timestamp: Optional[datetime] = None) -> Path:
"""Create a folder for the session and return the path to it."""
if timestamp is None:
timestamp = datetime.now()
date_str = timestamp.strftime("%Y-%m-%d")
time_str = timestamp.strftime("%H-%M-%S")
session_path = PRIMAITE_PATHS.user_sessions_path / date_str / time_str
session_path.mkdir(exist_ok=True, parents=True)
return session_path
def generate_model_save_path(self, agent_name: str) -> Path:
"""Return the path where the final model will be saved (excluding filename extension)."""
return self.session_path / "checkpoints" / f"{agent_name}_final"
def generate_checkpoint_save_path(self, agent_name: str, episode: int) -> Path:
"""Return the path where the checkpoint model will be saved (excluding filename extension)."""
return self.session_path / "checkpoints" / f"{agent_name}_checkpoint_{episode}.pt"
def generate_agent_actions_save_path(self, episode: int) -> Path:
"""Return the path where agent actions will be saved."""
return self.session_path / "agent_actions" / f"episode_{episode}.json"
def write_agent_actions(self, agent_actions: Dict[str, List], episode: int) -> None:
"""Take the contents of the agent action log and write it to a file.
:param episode: Episode number
:type episode: int
"""
data = {}
longest_history = max([len(hist) for hist in agent_actions.values()])
for i in range(longest_history):
data[i] = {"timestep": i, "episode": episode}
data[i].update({name: acts[i] for name, acts in agent_actions.items() if len(acts) > i})
path = self.generate_agent_actions_save_path(episode=episode)
path.parent.mkdir(exist_ok=True, parents=True)
path.touch()
_LOGGER.info(f"Saving agent action log to {path}")
with open(path, "w") as file:
json.dump(data, fp=file, indent=1, default=lambda x: x.model_dump())
@classmethod
def from_config(cls, config: Dict) -> "PrimaiteIO":
"""Create an instance of PrimaiteIO based on a configuration dict."""
new = cls(settings=cls.Settings(**config))
return new