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wangcham
58 lines
1.5 KiB
Python
58 lines
1.5 KiB
Python
from __future__ import annotations
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import abc
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import typing
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from ...core import app
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preregistered_algos: list[typing.Type[ReteLimitAlgo]] = []
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def algo_class(name: str):
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def decorator(cls: typing.Type[ReteLimitAlgo]) -> typing.Type[ReteLimitAlgo]:
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cls.name = name
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preregistered_algos.append(cls)
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return cls
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return decorator
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class ReteLimitAlgo(metaclass=abc.ABCMeta):
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"""限流算法抽象类"""
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name: str = None
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ap: app.Application
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def __init__(self, ap: app.Application):
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self.ap = ap
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async def initialize(self):
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pass
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@abc.abstractmethod
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async def require_access(self, launcher_type: str, launcher_id: typing.Union[int, str]) -> bool:
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"""进入处理流程
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这个方法对等待是友好的，意味着算法可以实现在这里等待一段时间以控制速率。
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Args:
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launcher_type (str): 请求者类型 群聊为 group 私聊为 person
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launcher_id (int): 请求者ID
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Returns:
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bool: 是否允许进入处理流程，若返回false，则直接丢弃该请求
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"""
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raise NotImplementedError
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@abc.abstractmethod
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async def release_access(self, launcher_type: str, launcher_id: typing.Union[int, str]):
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"""退出处理流程
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Args:
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launcher_type (str): 请求者类型 群聊为 group 私聊为 person
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launcher_id (int): 请求者ID
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"""
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raise NotImplementedError
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