Files
MoviePilot/app/runtime/extensions/plugin/registry.py
T

103 lines
3.6 KiB
Python

"""插件类与运行实例注册表。"""
from typing import Any, Dict, Optional
from app.schemas.plugin import PluginRuntimeStatus
class PluginRegistry:
"""集中持有插件类和运行实例,并为读取方提供稳定快照。"""
def __init__(self) -> None:
"""创建彼此独立但生命周期一致的类表和实例表。"""
self._classes: Dict[str, Any] = {}
self._running: Dict[str, Any] = {}
self._runtime_statuses: Dict[str, PluginRuntimeStatus] = {}
self._settling = False
self._generation = 0
@property
def classes(self) -> Dict[str, Any]:
"""返回兼容旧调用方可变访问语义的插件类表。"""
return self._classes
@property
def running(self) -> Dict[str, Any]:
"""返回兼容旧调用方可变访问语义的运行实例表。"""
return self._running
def has_class(self, plugin_id: str) -> bool:
"""判断插件类是否已经登记。"""
return plugin_id in self._classes
def plugin_class(self, plugin_id: str) -> Optional[Any]:
"""读取指定插件类,未登记时返回空。"""
return self._classes.get(plugin_id)
def instance(self, plugin_id: str) -> Optional[Any]:
"""读取指定运行实例,未运行时返回空。"""
return self._running.get(plugin_id)
def plugin_ids(self) -> list[str]:
"""返回保持登记顺序的插件类 ID 快照。"""
return list(self._classes)
def running_ids(self) -> list[str]:
"""返回保持登记顺序的运行实例 ID 快照。"""
return list(self._running)
def running_snapshot(self) -> Dict[str, Any]:
"""复制运行实例表,避免插件重载期间迭代失效。"""
return dict(self._running)
def set_runtime_status(
self,
plugin_id: str,
status: PluginRuntimeStatus,
) -> None:
"""记录插件当前状态,并在实际变化时推进前端刷新代次。"""
if self._runtime_statuses.get(plugin_id) == status:
return
self._runtime_statuses[plugin_id] = status
self._generation += 1
def runtime_status(self, plugin_id: str) -> Optional[PluginRuntimeStatus]:
"""读取指定插件状态。"""
return self._runtime_statuses.get(plugin_id)
def runtime_status_snapshot(self) -> Dict[str, PluginRuntimeStatus]:
"""复制插件状态表,避免后台加载期间迭代失效。"""
return dict(self._runtime_statuses)
def set_settling(self, settling: bool) -> None:
"""标记启动后的插件源码与依赖收敛任务是否仍在执行。"""
if self._settling == settling:
return
self._settling = settling
self._generation += 1
@property
def settling(self) -> bool:
"""返回插件后台收敛任务是否仍在执行。"""
return self._settling
@property
def generation(self) -> int:
"""返回状态变化代次,供读取方识别刷新边界。"""
return self._generation
def remove(self, plugin_id: str) -> None:
"""同时移除指定插件类、运行实例和状态。"""
self._classes.pop(plugin_id, None)
self._running.pop(plugin_id, None)
if self._runtime_statuses.pop(plugin_id, None) is not None:
self._generation += 1
def clear(self) -> None:
"""原地清空注册表,保持外部持有的兼容字典引用有效。"""
self._classes.clear()
self._running.clear()
if self._runtime_statuses:
self._runtime_statuses.clear()
self._generation += 1