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开始

创建插件

在标准项目中，位于liteyuki/plugins和src/liteyuki_plugins下的Python modules均会被当作插件加载，你可自行添加配置文件以指定插件的加载路径一个.py文件或一个包含__init__.py的文件夹即可被识别为插件创建一个文件夹，例如watchdog_plugin，并在其中创建一个__init__.py文件，即可创建一个插件

from liteyuki.plugin import PluginMetadata

# 定义插件元数据，推荐填写
__plugin_meta__ = PluginMetadata(
    name="NoneDog",       # 插件名称
    version="1.0.0",        # 插件版本
    description="A simple plugin for nonebot developer"   # 插件描述
)

# 你的插件代码
...

编写逻辑部分

轻雪主进程不涉及聊天部分，因此插件主要是一些后台任务或者与聊天机器人的通信以下我们会编写一个简单的插件，用于开发NoneBot时进行文件系统变更重载

import os
from liteyuki.dev import observer   # 导入文件系统观察器
from liteyuki import get_bot, logger    # 导入轻雪Bot和日志
from watchdog.events import FileSystemEvent   # 导入文件系统事件

liteyuki = get_bot()    # 获取唯一的轻雪Bot实例

exclude_extensions = (".pyc", ".pyo")   # 排除的文件扩展名


# 用observer的on_file_system_event装饰器监听文件系统事件
@observer.on_file_system_event(
    directories=("src/nonebot_plugins",),
    event_filter=lambda event: not event.src_path.endswith(exclude_extensions) and ("__pycache__" not in event.src_path) and os.path.isfile(event.src_path)
)
def restart_nonebot_process(event: FileSystemEvent):
    logger.debug(f"File {event.src_path} changed, reloading nonebot...")
    liteyuki.restart_process("nonebot") # 调用重启进程方法

加载插件

在配置文件中的liteyuki.plugins中添加你的插件路径，例如watchdog_plugin，重启轻雪即可加载插件。然后我们在src/nonebot_plugins下创建一个文件，例如test.py，并在其中写入一些代码，保存后轻雪会自动重载NoneBot进程

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