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chongming_template_fastapi/{{ cookiecutter.project_name }}/public/main.py
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2026-04-29 11:24:19 +08:00

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Python

# main.py - 修复 reload 问题
#!/usr/bin/env python3
"""
FastAPI chongming 示例
主入口文件,适配 chongming 打包系统
"""
import sys
import platform
from utils.launch import launch
from multiprocessing import freeze_support
import server
use_shell = platform.system() == "Windows"
def app_run(app_config: dict, default_config: dict):
"""
应用运行函数 - 适配模块银行环境
Args:
app_config: 应用配置字典,包含服务器配置、环境设置等
default_config: 默认配置字典,包含应用名称、版本等基础信息
Returns:
None: 此函数不返回值,直接启动服务器并阻塞运行
"""
from app.core.logger import get_logger # type: ignore
logger = get_logger("app")
# 获取服务器配置
server_config = app_config.get("server", {})
host = server_config.get("host", "0.0.0.0")
port = server_config.get("port", 8000)
timeout_keep_alive = server_config.get("timeout_keep_alive", 5)
# 打包环境强制禁用重载
is_frozen = getattr(sys, "frozen", False)
reload = False if is_frozen else server_config.get("reload", False)
workers = server_config.get("workers", 4)
# 显示启动信息
env = app_config.get("env", "development")
logger.info("=" * 50)
logger.info(f"🚀 启动 {default_config.get('app.name', 'FastAPI 应用')}")
logger.info(f"📦 版本: {default_config.get('app.version', '1.0.0')}")
logger.info(f"🌍 环境: {env}")
logger.info(f"📍 地址: http://{host}:{port}")
logger.info(f"📚 文档: http://{host}:{port}/docs")
logger.info(f"🔧 调试: {'启用' if app_config.get('debug', False) else '禁用'}")
logger.info(f"🔄 重载: {'启用' if reload else '禁用'}")
logger.info(f"👥 Workers: {workers}")
logger.info("=" * 50)
# 根据操作系统选择不同的服务器启动方式
if use_shell:
import uvicorn
uvicorn.run(
"server:app",
host=host,
port=port,
reload=reload,
workers=workers,
log_level="debug" if app_config.get("debug", False) else "info",
access_log=False,
timeout_keep_alive=timeout_keep_alive,
)
else:
from gunicorn.app.wsgiapp import run
sys.argv = [
"gunicorn",
"server:app",
"-k",
"uvicorn.workers.UvicornWorker",
"-w",
str(workers),
"-b",
f"{host}:{port}",
]
run()
def main():
"""
主函数入口 - 初始化多进程支持并启动应用
Returns:
None: 此函数不返回值,调用launch函数启动应用
"""
freeze_support()
launch(app_run, "production")
if __name__ == "__main__":
main()