mirror of
https://github.com/nonebot/nonebot2.git
synced 2024-11-25 01:25:04 +08:00
456 lines
12 KiB
Python
456 lines
12 KiB
Python
"""
|
||
协议适配基类
|
||
============
|
||
|
||
各协议请继承以下基类，并使用 ``driver.register_adapter`` 注册适配器
|
||
"""
|
||
|
||
import abc
|
||
from functools import reduce, partial
|
||
from dataclasses import dataclass, field
|
||
|
||
from pydantic import BaseModel
|
||
|
||
from nonebot.config import Config
|
||
from nonebot.typing import Driver, Message, WebSocket
|
||
from nonebot.typing import Any, Dict, Union, Optional, Callable, Iterable, Awaitable, TypeVar, Generic
|
||
|
||
|
||
class BaseBot(abc.ABC):
|
||
"""
|
||
Bot 基类。用于处理上报消息，并提供 API 调用接口。
|
||
"""
|
||
|
||
@abc.abstractmethod
|
||
def __init__(self,
|
||
driver: Driver,
|
||
connection_type: str,
|
||
config: Config,
|
||
self_id: str,
|
||
*,
|
||
websocket: Optional[WebSocket] = None):
|
||
"""
|
||
:参数:
|
||
|
||
* ``driver: Driver``: Driver 对象
|
||
* ``connection_type: str``: http 或者 websocket
|
||
* ``config: Config``: Config 对象
|
||
* ``self_id: str``: 机器人 ID
|
||
* ``websocket: Optional[WebSocket]``: Websocket 连接对象
|
||
"""
|
||
self.driver = driver
|
||
"""Driver 对象"""
|
||
self.connection_type = connection_type
|
||
"""连接类型"""
|
||
self.config = config
|
||
"""Config 配置对象"""
|
||
self.self_id = self_id
|
||
"""机器人 ID"""
|
||
self.websocket = websocket
|
||
"""Websocket 连接对象"""
|
||
|
||
def __getattr__(self, name: str) -> Callable[..., Awaitable[Any]]:
|
||
return partial(self.call_api, name)
|
||
|
||
@property
|
||
@abc.abstractmethod
|
||
def type(self) -> str:
|
||
"""Adapter 类型"""
|
||
raise NotImplementedError
|
||
|
||
@classmethod
|
||
@abc.abstractmethod
|
||
async def check_permission(cls, driver: Driver, connection_type: str,
|
||
headers: dict, body: Optional[dict]) -> str:
|
||
"""
|
||
:说明:
|
||
|
||
检查连接请求是否合法的函数，如果合法则返回当前连接 ``唯一标识符``，通常为机器人 ID；如果不合法则抛出 ``RequestDenied`` 异常。
|
||
|
||
:参数:
|
||
|
||
* ``driver: Driver``: Driver 对象
|
||
* ``connection_type: str``: 连接类型
|
||
* ``headers: dict``: 请求头
|
||
* ``body: Optional[dict]``: 请求数据，WebSocket 连接该部分为空
|
||
|
||
:返回:
|
||
|
||
- ``str``: 连接唯一标识符
|
||
|
||
:异常:
|
||
|
||
- ``RequestDenied``: 请求非法
|
||
"""
|
||
raise NotImplementedError
|
||
|
||
@abc.abstractmethod
|
||
async def handle_message(self, message: dict):
|
||
"""
|
||
:说明:
|
||
|
||
处理上报消息的函数，转换为 ``Event`` 事件后调用 ``nonebot.message.handle_event`` 进一步处理事件。
|
||
|
||
:参数:
|
||
|
||
* ``message: dict``: 收到的上报消息
|
||
"""
|
||
raise NotImplementedError
|
||
|
||
@abc.abstractmethod
|
||
async def call_api(self, api: str, **data):
|
||
"""
|
||
:说明:
|
||
|
||
调用机器人 API 接口，可以通过该函数或直接通过 bot 属性进行调用
|
||
|
||
:参数:
|
||
|
||
* ``api: str``: API 名称
|
||
* ``**data``: API 数据
|
||
|
||
:示例:
|
||
|
||
.. code-block:: python
|
||
|
||
await bot.call_api("send_msg", message="hello world"})
|
||
await bot.send_msg(message="hello world")
|
||
"""
|
||
raise NotImplementedError
|
||
|
||
@abc.abstractmethod
|
||
async def send(self, event: "BaseEvent",
|
||
message: Union[str, "BaseMessage",
|
||
"BaseMessageSegment"], **kwargs):
|
||
"""
|
||
:说明:
|
||
|
||
调用机器人基础发送消息接口
|
||
|
||
:参数:
|
||
|
||
* ``event: Event``: 上报事件
|
||
* ``message: Union[str, Message, MessageSegment]``: 要发送的消息
|
||
* ``**kwargs``
|
||
"""
|
||
raise NotImplementedError
|
||
|
||
|
||
T = TypeVar("T", bound=BaseModel)
|
||
|
||
|
||
class BaseEvent(abc.ABC, Generic[T]):
|
||
"""
|
||
Event 基类。提供上报信息的关键信息，其余信息可从原始上报消息获取。
|
||
"""
|
||
|
||
def __init__(self, raw_event: Union[dict, T]):
|
||
"""
|
||
:参数:
|
||
|
||
* ``raw_event: Union[dict, T]``: 原始上报消息
|
||
"""
|
||
self._raw_event = raw_event
|
||
|
||
def __repr__(self) -> str:
|
||
return f"<Event {self.self_id}: {self.name} {self.time}>"
|
||
|
||
@property
|
||
def raw_event(self) -> Union[dict, T]:
|
||
"""原始上报消息"""
|
||
return self._raw_event
|
||
|
||
@property
|
||
@abc.abstractmethod
|
||
def id(self) -> int:
|
||
"""事件 ID"""
|
||
raise NotImplementedError
|
||
|
||
@property
|
||
@abc.abstractmethod
|
||
def name(self) -> str:
|
||
"""事件名称"""
|
||
raise NotImplementedError
|
||
|
||
@property
|
||
@abc.abstractmethod
|
||
def self_id(self) -> str:
|
||
"""机器人 ID"""
|
||
raise NotImplementedError
|
||
|
||
@property
|
||
@abc.abstractmethod
|
||
def time(self) -> int:
|
||
"""事件发生时间"""
|
||
raise NotImplementedError
|
||
|
||
@property
|
||
@abc.abstractmethod
|
||
def type(self) -> str:
|
||
"""事件主类型"""
|
||
raise NotImplementedError
|
||
|
||
@type.setter
|
||
@abc.abstractmethod
|
||
def type(self, value) -> None:
|
||
raise NotImplementedError
|
||
|
||
@property
|
||
@abc.abstractmethod
|
||
def detail_type(self) -> str:
|
||
"""事件详细类型"""
|
||
raise NotImplementedError
|
||
|
||
@detail_type.setter
|
||
@abc.abstractmethod
|
||
def detail_type(self, value) -> None:
|
||
raise NotImplementedError
|
||
|
||
@property
|
||
@abc.abstractmethod
|
||
def sub_type(self) -> Optional[str]:
|
||
"""事件子类型"""
|
||
raise NotImplementedError
|
||
|
||
@sub_type.setter
|
||
@abc.abstractmethod
|
||
def sub_type(self, value) -> None:
|
||
raise NotImplementedError
|
||
|
||
@property
|
||
@abc.abstractmethod
|
||
def user_id(self) -> Optional[int]:
|
||
"""触发事件的主体 ID"""
|
||
raise NotImplementedError
|
||
|
||
@user_id.setter
|
||
@abc.abstractmethod
|
||
def user_id(self, value) -> None:
|
||
raise NotImplementedError
|
||
|
||
@property
|
||
@abc.abstractmethod
|
||
def group_id(self) -> Optional[int]:
|
||
"""触发事件的主体群 ID"""
|
||
raise NotImplementedError
|
||
|
||
@group_id.setter
|
||
@abc.abstractmethod
|
||
def group_id(self, value) -> None:
|
||
raise NotImplementedError
|
||
|
||
@property
|
||
@abc.abstractmethod
|
||
def to_me(self) -> Optional[bool]:
|
||
"""事件是否为发送给机器人的消息"""
|
||
raise NotImplementedError
|
||
|
||
@to_me.setter
|
||
@abc.abstractmethod
|
||
def to_me(self, value) -> None:
|
||
raise NotImplementedError
|
||
|
||
@property
|
||
@abc.abstractmethod
|
||
def message(self) -> Optional[Message]:
|
||
"""消息内容"""
|
||
raise NotImplementedError
|
||
|
||
@message.setter
|
||
@abc.abstractmethod
|
||
def message(self, value) -> None:
|
||
raise NotImplementedError
|
||
|
||
@property
|
||
@abc.abstractmethod
|
||
def reply(self) -> Optional[dict]:
|
||
"""回复的消息"""
|
||
raise NotImplementedError
|
||
|
||
@reply.setter
|
||
@abc.abstractmethod
|
||
def reply(self, value) -> None:
|
||
raise NotImplementedError
|
||
|
||
@property
|
||
@abc.abstractmethod
|
||
def raw_message(self) -> Optional[str]:
|
||
"""原始消息"""
|
||
raise NotImplementedError
|
||
|
||
@raw_message.setter
|
||
@abc.abstractmethod
|
||
def raw_message(self, value) -> None:
|
||
raise NotImplementedError
|
||
|
||
@property
|
||
@abc.abstractmethod
|
||
def plain_text(self) -> Optional[str]:
|
||
"""纯文本消息"""
|
||
raise NotImplementedError
|
||
|
||
@property
|
||
@abc.abstractmethod
|
||
def sender(self) -> Optional[dict]:
|
||
"""消息发送者信息"""
|
||
raise NotImplementedError
|
||
|
||
@sender.setter
|
||
@abc.abstractmethod
|
||
def sender(self, value) -> None:
|
||
raise NotImplementedError
|
||
|
||
|
||
@dataclass
|
||
class BaseMessageSegment(abc.ABC):
|
||
"""消息段基类"""
|
||
type: str
|
||
"""
|
||
- 类型: ``str``
|
||
- 说明: 消息段类型
|
||
"""
|
||
data: Dict[str, Any] = field(default_factory=lambda: {})
|
||
"""
|
||
- 类型: ``Dict[str, Union[str, list]]``
|
||
- 说明: 消息段数据
|
||
"""
|
||
|
||
@abc.abstractmethod
|
||
def __str__(self):
|
||
"""该消息段所代表的 str，在命令匹配部分使用"""
|
||
raise NotImplementedError
|
||
|
||
@abc.abstractmethod
|
||
def __add__(self, other):
|
||
"""你需要在这里实现不同消息段的合并：
|
||
比如：
|
||
if isinstance(other, str):
|
||
...
|
||
elif isinstance(other, MessageSegment):
|
||
...
|
||
注意：不能返回 self，需要返回一个新生成的对象
|
||
"""
|
||
raise NotImplementedError
|
||
|
||
def __getitem__(self, key):
|
||
return getattr(self, key)
|
||
|
||
def __setitem__(self, key, value):
|
||
return setattr(self, key, value)
|
||
|
||
def get(self, key, default=None):
|
||
return getattr(self, key, default)
|
||
|
||
@classmethod
|
||
@abc.abstractmethod
|
||
def text(cls, text: str) -> "BaseMessageSegment":
|
||
return cls("text", {"text": text})
|
||
|
||
|
||
class BaseMessage(list, abc.ABC):
|
||
"""消息数组"""
|
||
|
||
def __init__(self,
|
||
message: Union[str, dict, list, BaseModel, BaseMessageSegment,
|
||
"BaseMessage"] = None,
|
||
*args,
|
||
**kwargs):
|
||
"""
|
||
:参数:
|
||
|
||
* ``message: Union[str, dict, list, BaseModel, MessageSegment, Message]``: 消息内容
|
||
"""
|
||
super().__init__(*args, **kwargs)
|
||
if isinstance(message, (str, dict, list, BaseModel)):
|
||
self.extend(self._construct(message))
|
||
elif isinstance(message, BaseMessage):
|
||
self.extend(message)
|
||
elif isinstance(message, BaseMessageSegment):
|
||
self.append(message)
|
||
|
||
def __str__(self):
|
||
return ''.join((str(seg) for seg in self))
|
||
|
||
@staticmethod
|
||
@abc.abstractmethod
|
||
def _construct(msg: Union[str, dict, list]) -> Iterable[BaseMessageSegment]:
|
||
raise NotImplementedError
|
||
|
||
def __add__(
|
||
self, other: Union[str, BaseMessageSegment,
|
||
"BaseMessage"]) -> "BaseMessage":
|
||
result = self.__class__(self)
|
||
if isinstance(other, str):
|
||
result.extend(self._construct(other))
|
||
elif isinstance(other, BaseMessageSegment):
|
||
result.append(other)
|
||
elif isinstance(other, BaseMessage):
|
||
result.extend(other)
|
||
return result
|
||
|
||
def __radd__(self, other: Union[str, BaseMessageSegment, "BaseMessage"]):
|
||
result = self.__class__(other)
|
||
return result.__add__(self)
|
||
|
||
def append(self, obj: Union[str, BaseMessageSegment]) -> "BaseMessage":
|
||
"""
|
||
:说明:
|
||
|
||
添加一个消息段到消息数组末尾
|
||
|
||
:参数:
|
||
|
||
* ``obj: Union[str, MessageSegment]``: 要添加的消息段
|
||
"""
|
||
if isinstance(obj, BaseMessageSegment):
|
||
super().append(obj)
|
||
elif isinstance(obj, str):
|
||
self.extend(self._construct(obj))
|
||
else:
|
||
raise ValueError(f"Unexpected type: {type(obj)} {obj}")
|
||
return self
|
||
|
||
def extend(
|
||
self, obj: Union["BaseMessage",
|
||
Iterable[BaseMessageSegment]]) -> "BaseMessage":
|
||
"""
|
||
:说明:
|
||
|
||
拼接一个消息数组或多个消息段到消息数组末尾
|
||
|
||
:参数:
|
||
|
||
* ``obj: Union[Message, Iterable[MessageSegment]]``: 要添加的消息数组
|
||
"""
|
||
for segment in obj:
|
||
self.append(segment)
|
||
return self
|
||
|
||
def reduce(self) -> None:
|
||
"""
|
||
:说明:
|
||
|
||
缩减消息数组，即按 MessageSegment 的实现拼接相邻消息段
|
||
"""
|
||
index = 0
|
||
while index < len(self):
|
||
if index > 0 and self[
|
||
index - 1].type == "text" and self[index].type == "text":
|
||
self[index - 1] += self[index]
|
||
del self[index]
|
||
else:
|
||
index += 1
|
||
|
||
def extract_plain_text(self) -> str:
|
||
"""
|
||
:说明:
|
||
|
||
提取消息内纯文本消息
|
||
"""
|
||
|
||
def _concat(x: str, y: BaseMessageSegment) -> str:
|
||
return f"{x} {y}" if y.type == "text" else x
|
||
|
||
plain_text = reduce(_concat, self, "")
|
||
return plain_text[1:] if plain_text else plain_text
|