2021-08-29 00:24:28 +08:00
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import abc
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2022-05-22 19:42:30 +08:00
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from typing import Any, Type, TypeVar
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2021-08-29 00:24:28 +08:00
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from pydantic import BaseModel
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2021-11-22 23:21:26 +08:00
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from nonebot.utils import DataclassEncoder
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2021-08-29 00:24:28 +08:00
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2022-02-06 14:52:50 +08:00
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from .message import Message
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2022-01-15 21:27:43 +08:00
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2022-05-22 19:42:30 +08:00
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E = TypeVar("E", bound="Event")
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2021-08-29 00:24:28 +08:00
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class Event(abc.ABC, BaseModel):
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"""Event 基类。提供获取关键信息的方法,其余信息可直接获取。"""
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class Config:
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extra = "allow"
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json_encoders = {Message: DataclassEncoder}
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2022-05-22 19:42:30 +08:00
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@classmethod
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def validate(cls: Type["E"], value: Any) -> "E":
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if isinstance(value, Event) and not isinstance(value, cls):
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raise TypeError(f"{value} is incompatible with Event type {cls}")
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return super().validate(value)
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2021-08-29 00:24:28 +08:00
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@abc.abstractmethod
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def get_type(self) -> str:
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2022-01-20 14:49:46 +08:00
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"""获取事件类型的方法,类型通常为 NoneBot 内置的四种类型。"""
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2021-08-29 00:24:28 +08:00
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raise NotImplementedError
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@abc.abstractmethod
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def get_event_name(self) -> str:
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2022-01-20 14:49:46 +08:00
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"""获取事件名称的方法。"""
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2021-08-29 00:24:28 +08:00
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raise NotImplementedError
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@abc.abstractmethod
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def get_event_description(self) -> str:
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2022-01-20 14:49:46 +08:00
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"""获取事件描述的方法,通常为事件具体内容。"""
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2021-08-29 00:24:28 +08:00
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raise NotImplementedError
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def __str__(self) -> str:
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return f"[{self.get_event_name()}]: {self.get_event_description()}"
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def get_log_string(self) -> str:
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2022-01-20 14:49:46 +08:00
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"""获取事件日志信息的方法。
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2023-06-24 14:47:35 +08:00
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通常你不需要修改这个方法,只有当希望 NoneBot 隐藏该事件日志时,
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可以抛出 `NoLogException` 异常。
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2021-08-29 00:24:28 +08:00
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2022-01-12 18:45:35 +08:00
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异常:
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2023-06-24 14:47:35 +08:00
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NoLogException: 希望 NoneBot 隐藏该事件日志
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2021-08-29 00:24:28 +08:00
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"""
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return f"[{self.get_event_name()}]: {self.get_event_description()}"
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@abc.abstractmethod
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def get_user_id(self) -> str:
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2022-01-20 14:49:46 +08:00
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"""获取事件主体 id 的方法,通常是用户 id 。"""
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2021-08-29 00:24:28 +08:00
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raise NotImplementedError
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@abc.abstractmethod
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def get_session_id(self) -> str:
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2023-06-24 14:47:35 +08:00
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"""获取会话 id 的方法,用于判断当前事件属于哪一个会话,
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通常是用户 id、群组 id 组合。
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"""
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2021-08-29 00:24:28 +08:00
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raise NotImplementedError
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@abc.abstractmethod
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def get_message(self) -> "Message":
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"""获取事件消息内容的方法。"""
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2021-08-29 00:24:28 +08:00
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raise NotImplementedError
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def get_plaintext(self) -> str:
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2022-01-20 14:49:46 +08:00
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"""获取消息纯文本的方法。
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通常不需要修改,默认通过 `get_message().extract_plain_text` 获取。
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2021-08-29 00:24:28 +08:00
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"""
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return self.get_message().extract_plain_text()
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@abc.abstractmethod
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def is_tome(self) -> bool:
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2022-01-20 14:49:46 +08:00
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"""获取事件是否与机器人有关的方法。"""
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2021-08-29 00:24:28 +08:00
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raise NotImplementedError
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