import{_ as s,c as i,o as e,a9 as a}from"./chunks/framework.C4_mTacX.js";const g=JSON.parse('{"title":"liteyuki.dev.observer","description":"","frontmatter":{"title":"liteyuki.dev.observer"},"headers":[],"relativePath":"en/dev/api/dev/observer.md","filePath":"en/dev/api/dev/observer.md","lastUpdated":1725101868000}'),n={name:"en/dev/api/dev/observer.md"},t=a(`

Module liteyuki.dev.observer ​

此模块用于注册观察者函数，使用watchdog监控文件变化并重启bot 启用该模块需要在配置文件中设置dev_mode为True

var CALLBACK_FUNC ​

var FILTER_FUNC ​

func debounce(wait) ​

Description: 防抖函数

Source code or View on GitHub
python
def debounce(wait):
    """
    防抖函数
    """

    def decorator(func):

        def wrapper(*args, **kwargs):
            nonlocal last_call_time
            current_time = time.time()
            if current_time - last_call_time > wait:
                last_call_time = current_time
                return func(*args, **kwargs)
        last_call_time = None
        return wrapper
    return decorator

class CodeModifiedHandler(FileSystemEventHandler) ​

@debounce(1)

func on_modified(self, event) ​

Source code or View on GitHub
python
@debounce(1)
def on_modified(self, event):
    raise NotImplementedError('on_modified must be implemented')

func on_created(self, event) ​

Source code or View on GitHub
python
def on_created(self, event):
    self.on_modified(event)

func on_deleted(self, event) ​

Source code or View on GitHub
python
def on_deleted(self, event):
    self.on_modified(event)

func on_moved(self, event) ​

Source code or View on GitHub
python
def on_moved(self, event):
    self.on_modified(event)

func on_any_event(self, event) ​

Source code or View on GitHub
python
def on_any_event(self, event):
    self.on_modified(event)

func on_file_system_event(directories: tuple[str], recursive: bool = True, event_filter: FILTER_FUNC = None) -> Callable[[CALLBACK_FUNC], CALLBACK_FUNC] ​

Description: 注册文件系统变化监听器

Arguments:

Return: 装饰器，装饰一个函数在接收到数据后执行

Source code or View on GitHub
python
def on_file_system_event(directories: tuple[str], recursive: bool=True, event_filter: FILTER_FUNC=None) -> Callable[[CALLBACK_FUNC], CALLBACK_FUNC]:
    """
    注册文件系统变化监听器
    Args:
        directories: 监听目录们
        recursive: 是否递归监听子目录
        event_filter: 事件过滤器, 返回True则执行回调函数
    Returns:
        装饰器，装饰一个函数在接收到数据后执行
    """

    def decorator(func: CALLBACK_FUNC) -> CALLBACK_FUNC:

        def wrapper(event: FileSystemEvent):
            if event_filter is not None and (not event_filter(event)):
                return
            func(event)
        code_modified_handler = CodeModifiedHandler()
        code_modified_handler.on_modified = wrapper
        for directory in directories:
            observer.schedule(code_modified_handler, directory, recursive=recursive)
        return func
    return decorator
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