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d7c5955031
release/destroy 统一经 _close_handle 先清线程局部会话再 dispose，两步失败都 只记日志：单个插件的连接池故障不再让 close_database 跳过宿主同步与异步引擎的 释放，release_all_databases 也逐插件隔离。按模型建表对 __table__ 去重，单表 继承的父子类一并声明时不再对同一张表建两次。 卸载编排先删插件数据、后停插件，停机钩子里的 get_database() 会把刚销毁的库 重新建出来：注册表记下已销毁的插件标识，其后的 release 改为再次销毁并清除 标记，ensure 则撤销标记，宿主编排代码不动。PostgreSQL schema 名在归一改写过 标识或超长时追加插件标识哈希并截到 63 字节，My-Plugin、My_Plugin 与 my_plugin 不再折叠到同一个 schema 而在卸载时互相 DROP。 start 的失败分支释放已经建立、却进不了运行态的句柄，整体停止把只登记在 _classes 里的插件一并释放。声明的迁移目录不存在时在建句柄之前抛 FileNotFoundError，不再留下空库；SQLite 迁移 URL 改由引擎渲染； _get_sqlite_engine 的连接参数下沉到实际使用它的异步分支。
74 lines
2.2 KiB
Python
74 lines
2.2 KiB
Python
"""插件运行时自有数据库端口。"""
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from __future__ import annotations
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from collections.abc import Callable, Sequence
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from pathlib import Path
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PluginDatabaseEnsure = Callable[[str, Sequence[type], Path | None], None]
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PluginDatabaseRelease = Callable[[str], None]
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PluginDatabaseDestroy = Callable[[str], None]
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def _ignore_ensure(
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_plugin_id: str,
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_models: Sequence[type],
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_migrations: Path | None,
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) -> None:
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"""组合根尚未装配时忽略插件建库。"""
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def _ignore_release(_plugin_id: str) -> None:
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"""组合根尚未装配时忽略插件数据库释放。"""
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def _ignore_destroy(_plugin_id: str) -> None:
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"""组合根尚未装配时忽略插件数据库销毁。"""
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class PluginDatabase:
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"""封装插件自有数据库的建立、释放与销毁能力。"""
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def __init__(
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self,
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*,
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ensure: PluginDatabaseEnsure = _ignore_ensure,
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release: PluginDatabaseRelease = _ignore_release,
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destroy: PluginDatabaseDestroy = _ignore_destroy,
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) -> None:
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"""保存由启动组合根提供的建库、释放与销毁函数。"""
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self._ensure = ensure
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self._release = release
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self._destroy = destroy
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def ensure(
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self,
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plugin_id: str,
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models: Sequence[type],
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migrations: Path | None,
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) -> None:
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"""按插件声明建立自有数据库，两项声明都为空时不建库。"""
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self._ensure(plugin_id, models, migrations)
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def release(self, plugin_id: str) -> None:
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"""释放插件自有数据库的连接，保留数据。"""
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self._release(plugin_id)
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def destroy(self, plugin_id: str) -> None:
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"""销毁插件自有数据库，仅限删除插件数据的路径调用。"""
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self._destroy(plugin_id)
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_plugin_database = PluginDatabase()
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def configure_plugin_database(database: PluginDatabase) -> None:
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"""由启动组合根替换插件自有数据库实现。"""
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global _plugin_database
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_plugin_database = database
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def get_plugin_database() -> PluginDatabase:
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"""返回当前插件自有数据库端口。"""
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return _plugin_database
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