57 lines
1.5 KiB
Python
57 lines
1.5 KiB
Python
import os
|
|
|
|
from cli.runtime import RUNTIME_ENVIRONMENT, RuntimeEnvironmentService
|
|
|
|
|
|
class AppBootstrapService:
|
|
"""
|
|
应用引导服务。
|
|
|
|
该服务负责解析应用原始入口路径、构建启动命令，并以 `exec`
|
|
方式将当前 CLI 进程切换为 FastAPI 应用入口进程。
|
|
"""
|
|
|
|
def __init__(self, *, runtime_environment: RuntimeEnvironmentService | None = None) -> None:
|
|
"""
|
|
初始化应用引导服务。
|
|
|
|
:param runtime_environment: 运行时环境服务
|
|
:return: None
|
|
"""
|
|
self.runtime_environment = runtime_environment or RUNTIME_ENVIRONMENT
|
|
|
|
def get_app_entry_path(self) -> str:
|
|
"""
|
|
获取应用启动入口路径。
|
|
|
|
:return: 应用启动入口绝对路径
|
|
"""
|
|
return os.path.join(self.runtime_environment.get_backend_dir(), 'app.py')
|
|
|
|
def build_app_run_command(self, env: str) -> list[str]:
|
|
"""
|
|
构建应用启动命令。
|
|
|
|
:param env: 运行环境
|
|
:return: 应用启动命令参数列表
|
|
"""
|
|
return [
|
|
self.runtime_environment.get_python_executable(),
|
|
self.get_app_entry_path(),
|
|
'--env',
|
|
env,
|
|
]
|
|
|
|
def exec_app_run_command(self, env: str) -> None:
|
|
"""
|
|
以应用原始入口进程启动当前 FastAPI 应用。
|
|
|
|
:param env: 运行环境
|
|
:return: None
|
|
"""
|
|
command = self.build_app_run_command(env)
|
|
os.execvp(command[0], command)
|
|
|
|
|
|
APP_BOOTSTRAP = AppBootstrapService()
|