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sanguo_vnpy/archive/2026-04-29-cleanup/test/backtest/test_final_fixed_v2.py
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2026-04-29 20:15:25 +08:00

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9.7 KiB
Python

#!/usr/bin/env python3
"""
最终修复版本 v2 - 修复Interval枚举问题
"""
from datetime import datetime
from vnpy.trader.constant import Interval
# 策略代码直接嵌入
strategy_code = '''"""
单票固定比例止损策略 - vnpy CTA回测
"""
from vnpy_ctastrategy import (
CtaTemplate,
StopOrder,
TickData,
BarData,
TradeData,
OrderData,
BarGenerator,
ArrayManager,
)
from vnpy.trader.constant import Direction, Offset
class SingleStockStopLossStrategy(CtaTemplate):
"""单票固定比例止损策略 - 均线趋势跟踪+固定比例止损"""
author = "关羽 (云长)"
fast_window = 5
slow_window = 20
stop_loss_pct = 0.15
parameters = ["fast_window", "slow_window", "stop_loss_pct"]
variables = ["fast_ma", "slow_ma", "cost_price", "in_position"]
def __init__(self, cta_engine, strategy_name, vt_symbol, setting):
super().__init__(cta_engine, strategy_name, vt_symbol, setting)
self.bg = BarGenerator(self.on_bar)
self.am = ArrayManager(max(self.slow_window + 10, 100))
self.fast_ma = 0.0
self.slow_ma = 0.0
self.cost_price = 0.0
self.in_position = False
def on_init(self):
self.write_log(f"策略初始化,fast={self.fast_window}, slow={self.slow_window}, stop_loss={self.stop_loss_pct:.1%}")
self.put_event()
def on_start(self):
self.put_event()
def on_stop(self):
self.put_event()
def on_bar(self, bar):
self.am.update_bar(bar)
if not self.am.inited:
return
self.fast_ma = self.am.sma(self.fast_window)
self.slow_ma = self.am.sma(self.slow_window)
have_signal = True
if self.in_position and self.cost_price > 0:
current_drawdown = (bar.close_price - self.cost_price) / self.cost_price
if current_drawdown <= -self.stop_loss_pct:
if self.pos > 0:
self.sell(bar.close_price, self.pos)
self.in_position = False
have_signal = False
if have_signal:
if not self.in_position:
if self.fast_ma > self.slow_ma:
self.buy(bar.close_price, 1)
self.cost_price = bar.close_price
self.in_position = True
else:
if self.fast_ma < self.slow_ma:
if self.pos > 0:
self.sell(bar.close_price, self.pos)
self.in_position = False
self.put_event()
def on_trade(self, trade):
self.put_event()
def on_order(self, order):
self.put_event()
def on_stop_order(self, stop_order):
self.put_event()
'''
# 导入
import sys
import types
# 兼容性模块
print("🔧 [TEST] 加载vnpy.app兼容性模块...")
vnpy_app_module = types.ModuleType('vnpy.app')
sys.modules['vnpy.app'] = vnpy_app_module
submodules = ['cta_strategy', 'cta_backtester', 'data_manager']
for name in submodules:
full_name = f'vnpy.app.{name}'
submodule = types.ModuleType(full_name)
sys.modules[full_name] = submodule
setattr(vnpy_app_module, name, submodule)
from vnpy_ctastrategy import CtaTemplate, CtaStrategyApp
sys.modules['vnpy.app.cta_strategy'].CtaTemplate = CtaTemplate
sys.modules['vnpy.app.cta_strategy'].CtaStrategyApp = CtaStrategyApp
vnpy_app_module.CtaTemplate = CtaTemplate
vnpy_app_module.CtaStrategyApp = CtaStrategyApp
from vnpy_ctabacktester import BacktesterEngine
sys.modules['vnpy.app.cta_backtester'].BacktesterEngine = BacktesterEngine
vnpy_app_module.BacktesterEngine = BacktesterEngine
print("✅ [TEST] vnpy.app兼容性模块加载完成!")
from vnpy.event import EventEngine
from vnpy.trader.engine import MainEngine
from datetime import datetime
import traceback
def str_to_interval(interval_str: str) -> Interval:
"""字符串转Interval枚举"""
mapping = {
"1m": Interval.MINUTE,
"5m": Interval.FIVE_MINUTE,
"15m": Interval.FIFTEEN_MINUTE,
"30m": Interval.THIRTY_MINUTE,
"1h": Interval.HOUR,
"4h": Interval.FOUR_HOUR,
"1d": Interval.DAILY,
"1w": Interval.WEEKLY,
"d": Interval.DAILY,
"daily": Interval.DAILY,
}
return mapping.get(interval_str.lower(), Interval.DAILY)
def parse_date(date_int: int) -> datetime:
"""将YYYYMMDD转为datetime"""
s = str(date_int)
year = int(s[:4])
month = int(s[4:6])
day = int(s[6:8])
return datetime(year, month, day)
def test_run_strategy_backtest(strategy_code: str, symbol: str, interval: str, start: int, end: int, **kwargs):
try:
print(f"\n🚀 [TEST] 开始回测: {symbol} [{start} - {end}]")
local_vars = {}
exec(strategy_code, globals(), local_vars)
strategy_classes = [
v for k, v in local_vars.items()
if isinstance(v, type) and issubclass(v, CtaTemplate) and v != CtaTemplate
]
if not strategy_classes:
return {"error": "未找到CtaTemplate子类"}
StrategyClass = strategy_classes[0]
class_name = StrategyClass.__name__
print(f"✅ [TEST] 找到策略类: {class_name}")
# 把策略类添加到全局
globals()[class_name] = StrategyClass
# ============================================
# 🔥 最终修复:完全按照vnpy 4.x官方签名
# ============================================
print(f"🔧 [TEST] 创建引擎...")
event_engine = EventEngine()
print(f"✅ [TEST] event_engine = EventEngine()")
main_engine = MainEngine(event_engine)
print(f"✅ [TEST] main_engine = MainEngine(event_engine)")
# ✅ 正确做法:直接实例化,参数正确
print(f"🔧 [TEST] BacktesterEngine 需要 main_engine + event_engine,直接实例化")
print(f"🔧 [TEST] backtester_engine = BacktesterEngine(main_engine, event_engine)")
backtester_engine = BacktesterEngine(main_engine, event_engine)
print(f"✅ [TEST] 实例化成功,类型 = {type(backtester_engine)}")
print(f"🔧 [TEST] backtester_engine.init_engine()")
backtester_engine.init_engine()
print(f"✅ [TEST] 初始化完成")
# ============================================
# 转换参数
start_dt = parse_date(start)
end_dt = parse_date(end)
interval_enum = str_to_interval(interval)
rate = kwargs.get("rate", 0.00003)
slippage = kwargs.get("slippage", 0.2)
size = kwargs.get("size", 1)
pricetick = kwargs.get("pricetick", 0.2)
capital = kwargs.get("capital", 1000000)
setting = {
"fast_window": 5,
"slow_window": 20,
"stop_loss_pct": 0.15
}
print(f"✅ [TEST] 参数准备完成:")
print(f" class_name: {class_name}")
print(f" vt_symbol: {symbol}")
print(f" interval: {interval}{interval_enum}")
print(f" start: {start_dt}")
print(f" end: {end_dt}")
print(f" rate: {rate}")
print(f" slippage: {slippage}")
print(f" size: {size}")
print(f" pricetick: {pricetick}")
print(f" capital: {capital}")
print(f" setting: {setting}")
print(f"🔧 [TEST] 执行回测: backtester_engine.run_backtesting(...) 按照官方参数签名")
# ✅ 完全按照官方签名传参
backtester_engine.run_backtesting(
class_name,
symbol,
interval_enum,
start_dt,
end_dt,
rate,
slippage,
size,
pricetick,
capital,
setting
)
print(f"✅ [TEST] 回测完成!")
statistics = backtester_engine.get_result_statistics()
print(f"✅ [TEST] 获取统计指标: {list(statistics.keys()) if statistics else ''}")
daily_df = backtester_engine.get_daily_df()
if daily_df is not None and hasattr(daily_df, 'to_dict'):
daily_data = daily_df.to_dict(orient='records')
else:
daily_data = []
trades = backtester_engine.get_all_trades()
trade_list = [t.__dict__ for t in trades] if trades else []
return {
"statistics": statistics,
"trades": trade_list,
"daily_data": daily_data
}
except Exception as e:
error_info = {"error": str(e), "traceback": traceback.format_exc()}
print(f"❌ [TEST] 回测错误: {error_info['error']}")
print(error_info['traceback'])
return error_info
if __name__ == '__main__':
print("\n=== 开始最终修复测试 v2 (修复Interval枚举) ===")
result = test_run_strategy_backtest(
strategy_code=strategy_code,
symbol="510300.SSE",
interval="1d",
start=20210101,
end=20260301,
rate=0.00003,
slippage=0.002,
size=10000,
pricetick=0.001,
capital=1000000,
)
print("\n=== 测试结果 ===")
if 'error' in result:
print(f"❌ 测试失败: {result['error']}")
else:
print(f"✅ 测试成功!")
print(f"📊 总收益率: {result['statistics'].get('total_return', 'N/A'):.2%}")
print(f"📊 夏普比率: {result['statistics'].get('sharpe_ratio', 'N/A'):.2f}")
print(f"📊 最大回撤: {result['statistics'].get('max_drawdown', 'N/A'):.2%}")
print(f"💹 交易记录数量: {len(result['trades'])}")