Files
DinQuant/backend_api_python/app/services/agents/reflection.py
T
TIANHE 50939212be new
Signed-off-by: TIANHE <TIANHE@GMAIL.COM>
2025-12-30 21:02:50 +08:00

221 lines
9.2 KiB
Python

"""
自动反思与验证服务
用于记录分析预测,并在未来自动验证结果,实现闭环学习
"""
import sqlite3
import os
import json
from datetime import datetime, timedelta
from typing import List, Dict, Any, Optional
from app.utils.logger import get_logger
from .memory import AgentMemory
from .tools import AgentTools
logger = get_logger(__name__)
class ReflectionService:
"""反思服务:管理分析记录的存储和验证"""
def __init__(self, db_path: Optional[str] = None):
if db_path is None:
# 默认数据库路径
db_dir = os.path.join(os.path.dirname(__file__), '..', '..', '..', 'data', 'memory')
os.makedirs(db_dir, exist_ok=True)
db_path = os.path.join(db_dir, 'reflection_records.db')
self.db_path = db_path
self.tools = AgentTools()
self._init_database()
def _init_database(self):
"""初始化数据库表"""
try:
conn = sqlite3.connect(self.db_path)
cursor = conn.cursor()
# 创建分析记录表
cursor.execute('''
CREATE TABLE IF NOT EXISTS analysis_records (
id INTEGER PRIMARY KEY AUTOINCREMENT,
market TEXT NOT NULL,
symbol TEXT NOT NULL,
initial_price REAL,
decision TEXT,
confidence INTEGER,
reasoning TEXT,
analysis_date TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
target_check_date TIMESTAMP,
status TEXT DEFAULT 'PENDING', -- PENDING, COMPLETED, FAILED
final_price REAL,
actual_return REAL,
check_result TEXT
)
''')
# 创建索引
cursor.execute('''
CREATE INDEX IF NOT EXISTS idx_status_date ON analysis_records(status, target_check_date)
''')
conn.commit()
conn.close()
except Exception as e:
logger.error(f"初始化反思数据库失败: {e}")
def record_analysis(self, market: str, symbol: str, price: float,
decision: str, confidence: int, reasoning: str,
check_days: int = 7):
"""
记录一次分析,以便未来验证
Args:
market: 市场
symbol: 代码
price: 当前价格
decision: 决策 (BUY/SELL/HOLD)
confidence: 置信度
reasoning: 理由
check_days: 几天后验证 (默认7天)
"""
try:
conn = sqlite3.connect(self.db_path)
cursor = conn.cursor()
target_date = datetime.now() + timedelta(days=check_days)
cursor.execute('''
INSERT INTO analysis_records
(market, symbol, initial_price, decision, confidence, reasoning, target_check_date)
VALUES (?, ?, ?, ?, ?, ?, ?)
''', (market, symbol, price, decision, confidence, reasoning, target_date))
conn.commit()
conn.close()
logger.info(f"Recorded analysis for reflection: {market}:{symbol}, will verify after {check_days} day(s)")
except Exception as e:
logger.error(f"记录分析失败: {e}")
def run_verification_cycle(self):
"""
执行验证周期:检查到期的记录,验证结果,并写入记忆
"""
logger.info("开始执行自动反思验证周期...")
try:
conn = sqlite3.connect(self.db_path)
cursor = conn.cursor()
# 1. 查找所有已到期且未处理的记录
cursor.execute('''
SELECT id, market, symbol, initial_price, decision, confidence, reasoning, analysis_date
FROM analysis_records
WHERE status = 'PENDING' AND target_check_date <= CURRENT_TIMESTAMP
''')
records = cursor.fetchall()
if not records:
logger.info("没有需要验证的记录")
conn.close()
return
logger.info(f"发现 {len(records)} 条待验证记录")
# 初始化记忆系统(用于写入验证结果)
trader_memory = AgentMemory('trader_agent')
for record in records:
record_id, market, symbol, initial_price, decision, confidence, reasoning, analysis_date = record
try:
# 2. 获取当前最新价格
current_price_data = self.tools.get_current_price(market, symbol)
current_price = current_price_data.get('price')
if not current_price:
logger.warning(f"无法获取 {market}:{symbol} 的当前价格,跳过")
continue
# 3. 计算收益和结果
if not initial_price or initial_price == 0:
actual_return = 0.0
else:
actual_return = (current_price - initial_price) / initial_price * 100
# 评估结果
result_desc = ""
is_good_prediction = False
if decision == "BUY":
if actual_return > 2.0:
result_desc = "Correct: price rose after BUY"
is_good_prediction = True
elif actual_return < -2.0:
result_desc = "Wrong: price fell after BUY"
else:
result_desc = "Neutral: limited price movement"
elif decision == "SELL":
if actual_return < -2.0:
result_desc = "Correct: price fell after SELL"
is_good_prediction = True
elif actual_return > 2.0:
result_desc = "Wrong: price rose after SELL"
else:
result_desc = "Neutral: limited price movement"
else: # HOLD
if -2.0 <= actual_return <= 2.0:
result_desc = "Correct: limited movement during HOLD"
is_good_prediction = True
else:
result_desc = f"Deviated: large movement during HOLD ({actual_return:.2f}%)"
# 4. 写入记忆系统 (Let the agent learn)
memory_situation = f"{market}:{symbol} auto-verified (analysis_date: {analysis_date})"
memory_recommendation = f"Decision: {decision} (confidence {confidence}), reasoning: {(reasoning or '')[:120]}"
memory_result = f"Verification: {result_desc}; return={actual_return:.2f}% (initial {initial_price} -> final {current_price})"
trader_memory.add_memory(
memory_situation,
memory_recommendation,
memory_result,
actual_return,
metadata={
"market": market,
"symbol": symbol,
"timeframe": "1D",
"features": {
"source": "auto_verify",
"decision": decision,
"confidence": confidence,
"initial_price": initial_price,
"final_price": current_price,
"analysis_date": str(analysis_date),
"result_desc": result_desc,
"is_good_prediction": bool(is_good_prediction),
},
}
)
# 5. 更新记录状态
cursor.execute('''
UPDATE analysis_records
SET status = 'COMPLETED', final_price = ?, actual_return = ?, check_result = ?
WHERE id = ?
''', (current_price, actual_return, result_desc, record_id))
conn.commit()
logger.info(f"验证完成 {market}:{symbol}: {result_desc}")
except Exception as inner_e:
logger.error(f"处理记录 {record_id} 失败: {inner_e}")
# 标记为失败,避免重复处理
# cursor.execute("UPDATE analysis_records SET status = 'FAILED' WHERE id = ?", (record_id,))
# conn.commit()
conn.close()
logger.info("反思验证周期结束")
except Exception as e:
logger.error(f"执行验证周期失败: {e}")