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4dbb8b8204
插件配置此前寄存在 systemconfig 的 plugin.<实例ID> 单键下，实例描述符则整份挤在
PluginInstances 这一个 JSON 键里，两者都不成立：
- plugin.<ID> 是裸字符串 key，而仓库规则本身禁止用裸字符串做 SystemConfig key，
只允许先定义 SystemConfigKey 枚举项；插件 ID 由用户安装决定，永远枚举不出常量。
条目数随安装量增长，混在系统设置表里会把主程序自己的设置项淹掉。
- 那个键存的其实是实例 ID，表里没有任何一列说得出它属于哪个插件，想列出某个插件
的全部实例配置只能靠字符串前缀去猜。
- 实例描述符整份读出再整份写回，改一个分身要重写全部分身。
改为 plugininstance 一实例一行：instance_id 与 source_plugin_id 构成身份，本体与
分身由两者是否相等派生而不设模式列——模式列会是这个等式的冗余副本，两者一旦失步
同一行就会在不同读取口被判成不同角色。展示信息与业务参数同存一行，属于同一个
生命周期，分表只会让建分身、删分身退化成两张表之间的协调问题。
读写路由落在 SystemConfigOper.get/set/delete，而不是在各个调用方各改一处：第三方
插件可能直接用 self.systemconfig.get("plugin.xxx") 读写自己的配置，只改
PluginConfigStore 与 _PluginBase.get_config/update_config 必然漏掉它们。路由只做
前缀识别，插入、更新与空本体行回收都委托 PluginInstanceOper，不在配置层重抄一遍。
PluginInstances 旧键迁移后不删，留作回滚依据，并以
SystemConfigKey.PluginInstancesImported 标志防止重复导入；判据不能是「表当前为空」，
否则用户把分身全部删光后，下次启动会把它们整批导回来。
迁移链：b2d4f6a8c1e3 -> 281965691a20（3.0.34 建表并搬描述符）
-> c4e1a7b9d2f6（3.0.35 加 config_data 并搬 plugin.* 配置）。
依赖基线与启动模块数随两个新模块重算，架构文档与数据库技能表目录同步登记新表。
94 lines
3.4 KiB
Python
94 lines
3.4 KiB
Python
"""ORM 模型的惰性兼容导出与显式注册入口。"""
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from importlib import import_module
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from typing import Any
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from . import _identity # noqa: F401 注册全局媒体身份写入不变量
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_MODEL_EXPORTS = {
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"AgentChat": ("app.db.models.agentchat", "AgentChat"),
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"AgentInvocation": ("app.db.models.agentinvocation", "AgentInvocation"),
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"AgentTask": ("app.db.models.agenttask", "AgentTask"),
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"AgentTaskRun": ("app.db.models.agenttaskrun", "AgentTaskRun"),
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"DownloadFailure": ("app.db.models.downloadfailure", "DownloadFailure"),
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"DownloadFiles": ("app.db.models.downloadhistory", "DownloadFiles"),
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"DownloadHistory": ("app.db.models.downloadhistory", "DownloadHistory"),
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"MediaServerItem": ("app.db.models.mediaserver", "MediaServerItem"),
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"Message": ("app.db.models.message", "Message"),
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"OutboxMessage": ("app.db.models.outbox", "OutboxMessage"),
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"PassKey": ("app.db.models.passkey", "PassKey"),
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"PluginData": ("app.db.models.plugindata", "PluginData"),
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"PluginInstallation": (
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"app.db.models.plugininstallation",
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"PluginInstallation",
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),
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"PluginInstance": (
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"app.db.models.plugininstance",
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"PluginInstance",
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),
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"PluginIdentity": (
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"app.db.models.pluginidentity",
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"PluginIdentity",
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),
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"Site": ("app.db.models.site", "Site"),
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"SiteIcon": ("app.db.models.siteicon", "SiteIcon"),
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"SiteStatistic": ("app.db.models.sitestatistic", "SiteStatistic"),
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"SiteUserData": ("app.db.models.siteuserdata", "SiteUserData"),
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"Subscribe": ("app.db.models.subscribe", "Subscribe"),
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"SubscribeHistory": (
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"app.db.models.subscribehistory",
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"SubscribeHistory",
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),
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"SubscriptionSearchBatch": (
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"app.db.models.subscriptionsearch",
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"SubscriptionSearchBatch",
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),
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"SubscriptionSearchTask": (
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"app.db.models.subscriptionsearch",
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"SubscriptionSearchTask",
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),
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"SubscriptionSiteBudget": (
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"app.db.models.subscriptionsearch",
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"SubscriptionSiteBudget",
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),
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"SystemConfig": ("app.db.models.systemconfig", "SystemConfig"),
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"TransferHistory": ("app.db.models.transferhistory", "TransferHistory"),
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"TransferExecutionStep": (
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"app.db.models.transferexecutionstep",
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"TransferExecutionStep",
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),
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"TransferSettlementReceipt": (
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"app.db.models.transfersettlementreceipt",
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"TransferSettlementReceipt",
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),
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"TransferPending": ("app.db.models.transferpending", "TransferPending"),
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"User": ("app.db.models.user", "User"),
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"UserConfig": ("app.db.models.userconfig", "UserConfig"),
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"Workflow": ("app.db.models.workflow", "Workflow"),
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}
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def load_all_models() -> None:
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"""显式导入全部 ORM 模型，供建表和 Alembic 元数据收集使用。"""
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for module_name, _ in dict.fromkeys(_MODEL_EXPORTS.values()):
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import_module(module_name)
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def __getattr__(name: str) -> Any:
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"""按需解析旧模型包级导出，并缓存模型类。"""
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contract = _MODEL_EXPORTS.get(name)
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if contract is None:
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raise AttributeError(f"module {__name__!r} has no attribute {name!r}")
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module_name, symbol_name = contract
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value = getattr(import_module(module_name), symbol_name)
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globals()[name] = value
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return value
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def __dir__() -> list[str]:
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"""返回模型包的兼容公开面。"""
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return sorted({*globals(), *_MODEL_EXPORTS, "load_all_models"})
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__all__ = [*_MODEL_EXPORTS, "load_all_models"]
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