Files
Auto-GPT/autogpt/agents/features/context.py
2023-08-29 01:43:45 +02:00

75 lines
2.1 KiB
Python

from __future__ import annotations
from typing import TYPE_CHECKING, Any
if TYPE_CHECKING:
from autogpt.llm.base import ChatSequence
from autogpt.models.context_item import ContextItem
from ..base import BaseAgent
from autogpt.llm.base import Message
class AgentContext:
items: list[ContextItem]
def __init__(self, items: list[ContextItem] = []):
self.items = items
def __bool__(self) -> bool:
return len(self.items) > 0
def __contains__(self, item: ContextItem) -> bool:
return any([i.source == item.source for i in self.items])
def add(self, item: ContextItem) -> None:
self.items.append(item)
def close(self, index: int) -> None:
self.items.pop(index - 1)
def clear(self) -> None:
self.items.clear()
def format_numbered(self) -> str:
return "\n\n".join([f"{i}. {c}" for i, c in enumerate(self.items, 1)])
class ContextMixin:
"""Mixin that adds context support to a BaseAgent subclass"""
context: AgentContext
def __init__(self, **kwargs: Any):
self.context = AgentContext()
super(ContextMixin, self).__init__(**kwargs)
def construct_base_prompt(self, *args: Any, **kwargs: Any) -> ChatSequence:
if kwargs.get("append_messages") is None:
kwargs["append_messages"] = []
# Add context section to prompt
if self.context:
kwargs["append_messages"].insert(
0,
Message(
"system",
"## Context\n"
+ self.context.format_numbered()
+ "\n\nWhen a context item is no longer needed and you are not done yet,"
" you can hide the item by specifying its number in the list above"
" to `hide_context_item`.",
),
)
return super(ContextMixin, self).construct_base_prompt(*args, **kwargs) # type: ignore
def get_agent_context(agent: BaseAgent) -> AgentContext | None:
if isinstance(agent, ContextMixin):
return agent.context
return None