Files
sanguo_vnpy/scripts/backtest-service/main.py
T
2026-04-28 14:47:47 +08:00

81 lines
2.2 KiB
Python
Executable File

"""
自动化回测服务 - 主入口
启动 FastAPI 服务,接受回测任务提交,执行回测,返回结果
遵循 vnpy 原生设计,只做外层封装
"""
import uvicorn
from fastapi import FastAPI
from fastapi.middleware.cors import CORSMiddleware
from .config import settings
from .api import router
from .task_queue import task_queue
app = FastAPI(
title="sanguo 自动化回测服务",
description="基于 vnpy 原生 BacktestingEngine 的自动化回测API服务",
version="1.0.0"
)
# CORS 配置
if settings.cors_allow_all:
app.add_middleware(
CORSMiddleware,
allow_origins=["*"],
allow_credentials=True,
allow_methods=["*"],
allow_headers=["*"],
)
# 注册API路由
app.include_router(router, tags=["backtest"])
# 健康检查已经在API路由中定义
from .models import ApiResponse, HealthCheckResponse
from .task_queue import task_queue
@app.get("/api/backtest/health", summary="服务健康检查", response_model=ApiResponse[HealthCheckResponse])
def health():
"""服务健康检查,返回当前任务统计"""
from .models import ApiResponse, HealthCheckResponse
return ApiResponse(
code=0,
msg="ok",
data=HealthCheckResponse(
pending_count=len(task_queue.pending_tasks),
running_count=len(task_queue.running_tasks),
completed_count=len(task_queue.completed_tasks),
failed_count=len(task_queue.failed_tasks),
max_workers=settings.max_workers
)
)
def main():
"""启动服务"""
# 启动工作进程池
task_queue.start_worker_pool()
print(f"自动化回测服务启动中...")
print(f"监听地址: http://{settings.host}:{settings.port}")
print(f"最大并发回测数: {settings.max_workers}")
print(f"API 文档: http://{settings.host}:{settings.port}/docs")
try:
uvicorn.run(
"backtest_service.main:app",
host=settings.host,
port=settings.port,
reload=settings.debug,
)
finally:
# 关闭进程池
task_queue.close_worker_pool()
if __name__ == "__main__":
main()