nonebot2/nonebot/adapters/_adapter.py
2022-01-22 15:23:07 +08:00

112 lines
3.6 KiB
Python

"""
FrontMatter:
sidebar_position: 1
description: nonebot.adapters._adapter 模块
"""
import abc
from contextlib import asynccontextmanager
from typing import Any, Dict, AsyncGenerator
from nonebot.config import Config
from nonebot.drivers import (
Driver,
Request,
Response,
WebSocket,
ForwardDriver,
ReverseDriver,
HTTPServerSetup,
WebSocketServerSetup,
)
from ._bot import Bot
class Adapter(abc.ABC):
"""协议适配器基类。
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。
参数:
driver: {ref}`nonebot.drivers.Driver` 实例
kwargs: 其他由 {ref}`nonebot.drivers.Driver.register_adapter` 传入的额外参数
"""
def __init__(self, driver: Driver, **kwargs: Any):
self.driver: Driver = driver
"""{ref}`nonebot.drivers.Driver` 实例"""
self.bots: Dict[str, Bot] = {}
"""本协议适配器已建立连接的 {ref}`nonebot.adapters._bot.Bot` 实例"""
@classmethod
@abc.abstractmethod
def get_name(cls) -> str:
"""当前协议适配器的名称"""
raise NotImplementedError
@property
def config(self) -> Config:
"""全局 NoneBot 配置"""
return self.driver.config
def bot_connect(self, bot: Bot) -> None:
"""告知 NoneBot 建立了一个新的 {ref}`nonebot.adapters._bot.Bot` 连接。
当有新的 {ref}`nonebot.adapters._bot.Bot` 实例连接建立成功时调用。
参数:
bot: {ref}`nonebot.adapters._bot.Bot` 实例
"""
self.driver._bot_connect(bot)
self.bots[bot.self_id] = bot
def bot_disconnect(self, bot: Bot) -> None:
"""告知 NoneBot {ref}`nonebot.adapters._bot.Bot` 连接已断开。
当有 {ref}`nonebot.adapters._bot.Bot` 实例连接断开时调用。
参数:
bot: {ref}`nonebot.adapters._bot.Bot` 实例
"""
self.driver._bot_disconnect(bot)
self.bots.pop(bot.self_id, None)
def setup_http_server(self, setup: HTTPServerSetup):
"""设置一个 HTTP 服务器路由配置"""
if not isinstance(self.driver, ReverseDriver):
raise TypeError("Current driver does not support http server")
self.driver.setup_http_server(setup)
def setup_websocket_server(self, setup: WebSocketServerSetup):
"""设置一个 WebSocket 服务器路由配置"""
if not isinstance(self.driver, ReverseDriver):
raise TypeError("Current driver does not support websocket server")
self.driver.setup_websocket_server(setup)
async def request(self, setup: Request) -> Response:
"""进行一个 HTTP 客户端请求"""
if not isinstance(self.driver, ForwardDriver):
raise TypeError("Current driver does not support http client")
return await self.driver.request(setup)
@asynccontextmanager
async def websocket(self, setup: Request) -> AsyncGenerator[WebSocket, None]:
"""建立一个 WebSocket 客户端连接请求"""
if not isinstance(self.driver, ForwardDriver):
raise TypeError("Current driver does not support websocket client")
async with self.driver.websocket(setup) as ws:
yield ws
@abc.abstractmethod
async def _call_api(self, bot: Bot, api: str, **data: Any) -> Any:
"""`Adapter` 实际调用 api 的逻辑实现函数,实现该方法以调用 api。
参数:
api: API 名称
data: API 数据
"""
raise NotImplementedError
__autodoc__ = {"Adapter._call_api": True}