mirror of
https://github.com/nonebot/nonebot2.git
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111 lines
3.7 KiB
Python
111 lines
3.7 KiB
Python
import abc
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from contextlib import asynccontextmanager
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from typing import Any, Dict, AsyncGenerator
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from nonebot.config import Config
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from nonebot.internal.driver import (
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Driver,
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Request,
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Response,
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WebSocket,
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ForwardDriver,
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ReverseDriver,
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HTTPServerSetup,
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WebSocketServerSetup,
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)
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from .bot import Bot
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class Adapter(abc.ABC):
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"""协议适配器基类。
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通常，在 Adapter 中编写协议通信相关代码，如: 建立通信连接、处理接收与发送 data 等。
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参数:
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driver: {ref}`nonebot.drivers.Driver` 实例
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kwargs: 其他由 {ref}`nonebot.drivers.Driver.register_adapter` 传入的额外参数
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"""
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def __init__(self, driver: Driver, **kwargs: Any):
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self.driver: Driver = driver
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"""{ref}`nonebot.drivers.Driver` 实例"""
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self.bots: Dict[str, Bot] = {}
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"""本协议适配器已建立连接的 {ref}`nonebot.adapters.Bot` 实例"""
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def __repr__(self) -> str:
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return f"Adapter(name={self.get_name()!r})"
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@classmethod
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@abc.abstractmethod
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def get_name(cls) -> str:
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"""当前协议适配器的名称"""
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raise NotImplementedError
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@property
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def config(self) -> Config:
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"""全局 NoneBot 配置"""
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return self.driver.config
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def bot_connect(self, bot: Bot) -> None:
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"""告知 NoneBot 建立了一个新的 {ref}`nonebot.adapters.Bot` 连接。
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当有新的 {ref}`nonebot.adapters.Bot` 实例连接建立成功时调用。
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参数:
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bot: {ref}`nonebot.adapters.Bot` 实例
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"""
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self.driver._bot_connect(bot)
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self.bots[bot.self_id] = bot
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def bot_disconnect(self, bot: Bot) -> None:
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"""告知 NoneBot {ref}`nonebot.adapters.Bot` 连接已断开。
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当有 {ref}`nonebot.adapters.Bot` 实例连接断开时调用。
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参数:
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bot: {ref}`nonebot.adapters.Bot` 实例
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"""
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if self.bots.pop(bot.self_id, None) is None:
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raise RuntimeError(f"{bot} not found in adapter {self.get_name()}")
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self.driver._bot_disconnect(bot)
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def setup_http_server(self, setup: HTTPServerSetup):
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"""设置一个 HTTP 服务器路由配置"""
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if not isinstance(self.driver, ReverseDriver):
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raise TypeError("Current driver does not support http server")
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self.driver.setup_http_server(setup)
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def setup_websocket_server(self, setup: WebSocketServerSetup):
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"""设置一个 WebSocket 服务器路由配置"""
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if not isinstance(self.driver, ReverseDriver):
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raise TypeError("Current driver does not support websocket server")
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self.driver.setup_websocket_server(setup)
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async def request(self, setup: Request) -> Response:
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"""进行一个 HTTP 客户端请求"""
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if not isinstance(self.driver, ForwardDriver):
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raise TypeError("Current driver does not support http client")
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return await self.driver.request(setup)
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@asynccontextmanager
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async def websocket(self, setup: Request) -> AsyncGenerator[WebSocket, None]:
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"""建立一个 WebSocket 客户端连接请求"""
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if not isinstance(self.driver, ForwardDriver):
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raise TypeError("Current driver does not support websocket client")
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async with self.driver.websocket(setup) as ws:
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yield ws
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@abc.abstractmethod
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async def _call_api(self, bot: Bot, api: str, **data: Any) -> Any:
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"""`Adapter` 实际调用 api 的逻辑实现函数，实现该方法以调用 api。
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参数:
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api: API 名称
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data: API 数据
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"""
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raise NotImplementedError
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__autodoc__ = {"Adapter._call_api": True}
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