Files
MoviePilot/app/application/module.py
T

60 lines
1.6 KiB
Python

"""宿主模块目录的应用层端口。"""
from __future__ import annotations
from collections.abc import Callable
from typing import Any, Protocol
class ModuleRuntime(Protocol):
"""声明入口层消费的模块目录能力。"""
def __getattr__(self, name: str) -> Any:
"""允许兼容门面访问既有模块管理方法。"""
ModuleRuntimeProvider = Callable[[], ModuleRuntime]
def _unconfigured_runtime() -> ModuleRuntime:
"""拒绝在组合根装配前隐式创建模块管理器。"""
raise RuntimeError("宿主模块运行时尚未由启动组合根装配")
_runtime_provider: ModuleRuntimeProvider = _unconfigured_runtime
def configure_module_runtime(provider: ModuleRuntimeProvider) -> None:
"""由启动组合根注册模块运行时实例提供器。"""
global _runtime_provider
_runtime_provider = provider
def get_module_manager() -> ModuleRuntime:
"""返回当前组合根提供的模块目录能力。"""
return _runtime_provider()
class _ModuleRuntimeProxy(type):
"""把历史 ``ModuleManager`` 调用转发到应用端口。"""
def __getattr__(cls, name: str) -> Any:
"""转发旧的类级静态调用。"""
return getattr(get_module_manager(), name)
class ModuleManager(metaclass=_ModuleRuntimeProxy):
"""应用层兼容门面,实例调用返回组合根装配的模块管理器。"""
def __new__(cls) -> ModuleRuntime:
"""返回实际模块管理器,不复制运行态注册表。"""
return get_module_manager()
__all__ = [
"ModuleManager",
"ModuleRuntime",
"configure_module_runtime",
"get_module_manager",
]