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🔖 Release 2.4.1
2024-12-25 07:21:05 +00:00

1.4 KiB

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3 编写与加载嵌套插件
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嵌套插件

NoneBot 支持嵌套插件,即一个插件可以包含其他插件。通过这种方式,我们可以将一个大型插件拆分成多个功能子插件,使得插件更加清晰、易于维护。我们可以直接在插件中使用 NoneBot 加载插件的方法来加载子插件。

创建嵌套插件

我们可以在使用 nb-cli 命令创建插件时,选择直接通过模板创建一个嵌套插件:

$ nb plugin create
[?] 插件名称: parent
[?] 使用嵌套插件? (y/N) Y
[?] 输出目录: awesome_bot/plugins

或者使用 nb plugin create --sub-plugin 选项直接创建一个嵌套插件。

已有插件

如果你已经有一个插件,想要在其中嵌套加载子插件,可以在插件的 __init__.py 中添加如下代码:

import nonebot
from pathlib import Path

sub_plugins = nonebot.load_plugins(
    str(Path(__file__).parent.joinpath("plugins").resolve())
)

这样,parent 插件就会加载 parent/plugins 目录下的所有插件。NoneBot 会正确识别这些插件的父子关系,你可以在 parent 的插件信息中看到这些子插件的信息,也可以在子插件信息中看到它们的父插件信息。