1
0
forked from bot/app
LiteyukiBot/liteyuki/message/matcher.py
2024-08-20 20:30:50 +08:00

63 lines
1.6 KiB
Python

# -*- coding: utf-8 -*-
"""
Copyright (C) 2020-2024 LiteyukiStudio. All Rights Reserved
@Time : 2024/8/19 下午10:51
@Author : snowykami
@Email : snowykami@outlook.com
@File : matcher.py
@Software: PyCharm
"""
import traceback
from typing import Any, TypeAlias, Callable, Coroutine
from liteyuki.message.event import MessageEvent
from liteyuki.message.rule import Rule
EventHandler: TypeAlias = Callable[[MessageEvent], Coroutine[None, None, Any]]
class Matcher:
def __init__(self, rule: Rule, priority: int, block: bool):
"""
匹配器
Args:
rule: 规则
priority: 优先级 >= 0
block: 是否阻断后续优先级更低的匹配器
"""
self.rule = rule
self.priority = priority
self.block = block
self.handlers: list[EventHandler] = []
def __str__(self):
return f"Matcher(rule={self.rule}, priority={self.priority}, block={self.block})"
def handle(self, handler: EventHandler) -> EventHandler:
"""
添加处理函数,装饰器
Args:
handler:
Returns:
EventHandler
"""
self.handlers.append(handler)
return handler
async def run(self, event: Event) -> None:
"""
运行处理函数
Args:
event:
Returns:
"""
if not await self.rule(event):
return
for handler in self.handlers:
try:
await handler(event)
except Exception:
traceback.print_exc()