Files
evotraders/backend/agents/analyst.py

141 lines
4.4 KiB
Python

# -*- coding: utf-8 -*-
"""
Analyst Agent - Based on AgentScope ReActAgent
Performs analysis using tools and LLM
"""
from typing import Any, Dict, Optional
from agentscope.agent import ReActAgent
from agentscope.memory import InMemoryMemory, LongTermMemoryBase
from agentscope.message import Msg
from ..config.constants import ANALYST_TYPES
from ..utils.progress import progress
from .prompt_factory import build_agent_system_prompt, clear_prompt_factory_cache
class AnalystAgent(ReActAgent):
"""
Analyst Agent - Uses LLM for tool selection and analysis
Inherits from AgentScope's ReActAgent
"""
def __init__(
self,
analyst_type: str,
toolkit: Any,
model: Any,
formatter: Any,
agent_id: Optional[str] = None,
config: Optional[Dict[str, Any]] = None,
long_term_memory: Optional[LongTermMemoryBase] = None,
):
"""
Initialize Analyst Agent
Args:
analyst_type: Type of analyst (e.g., "fundamentals", etc.)
toolkit: AgentScope Toolkit instance
model: LLM model instance
formatter: Message formatter instance
agent_id: Agent ID (defaults to "{analyst_type}_analyst")
config: Configuration dictionary
long_term_memory: Optional ReMeTaskLongTermMemory instance
"""
if analyst_type not in ANALYST_TYPES:
raise ValueError(
f"Unknown analyst type: {analyst_type}. "
f"Must be one of: {list(ANALYST_TYPES.keys())}",
)
object.__setattr__(self, "analyst_type_key", analyst_type)
object.__setattr__(
self,
"analyst_persona",
ANALYST_TYPES[analyst_type]["display_name"],
)
if agent_id is None:
agent_id = analyst_type
object.__setattr__(self, "agent_id", agent_id)
object.__setattr__(self, "config", config or {})
object.__setattr__(self, "toolkit", toolkit)
sys_prompt = self._load_system_prompt()
kwargs = {
"name": agent_id,
"sys_prompt": sys_prompt,
"model": model,
"formatter": formatter,
"toolkit": toolkit,
"memory": InMemoryMemory(),
"max_iters": 10,
}
if long_term_memory:
kwargs["long_term_memory"] = long_term_memory
kwargs["long_term_memory_mode"] = "static_control"
super().__init__(**kwargs)
def _load_system_prompt(self) -> str:
"""Load system prompt for analyst"""
return build_agent_system_prompt(
agent_id=self.agent_id,
config_name=self.config.get("config_name", "default"),
toolkit=self.toolkit,
analyst_type=self.analyst_type_key,
)
async def reply(self, x: Msg = None) -> Msg:
"""
Override reply method to add progress tracking
Args:
x: Input message (content must be str)
Returns:
Response message (content is str)
"""
ticker = None
if x and hasattr(x, "metadata") and x.metadata:
ticker = x.metadata.get("tickers")
if ticker:
progress.update_status(
self.name,
ticker,
f"Starting {self.analyst_persona} analysis",
)
result = await super().reply(x)
if ticker:
progress.update_status(
self.name,
ticker,
"Analysis completed",
)
return result
def reload_runtime_assets(self, active_skill_dirs: Optional[list] = None) -> None:
"""Reload toolkit and system prompt from current run assets."""
from .toolkit_factory import create_agent_toolkit
clear_prompt_factory_cache()
self.toolkit = create_agent_toolkit(
self.agent_id,
self.config.get("config_name", "default"),
active_skill_dirs=active_skill_dirs,
)
self._apply_runtime_sys_prompt(self._load_system_prompt())
def _apply_runtime_sys_prompt(self, sys_prompt: str) -> None:
"""Update the prompt used by future turns and the cached system msg."""
self._sys_prompt = sys_prompt
for msg, _marks in self.memory.content:
if getattr(msg, "role", None) == "system":
msg.content = sys_prompt
break