mirror of
https://github.com/nonebot/nonebot2.git
synced 2024-11-24 09:05:04 +08:00
266 lines
7.2 KiB
Python
266 lines
7.2 KiB
Python
"""
|
|
后端驱动适配基类
|
|
=================
|
|
|
|
各驱动请继承以下基类
|
|
"""
|
|
|
|
import abc
|
|
import asyncio
|
|
from typing import Set, Dict, Type, Optional, Callable, TYPE_CHECKING
|
|
|
|
from nonebot.log import logger
|
|
from nonebot.config import Env, Config
|
|
from nonebot.typing import T_WebSocketConnectionHook, T_WebSocketDisconnectionHook
|
|
|
|
if TYPE_CHECKING:
|
|
from nonebot.adapters import Bot
|
|
|
|
|
|
class Driver(abc.ABC):
|
|
"""
|
|
Driver 基类。将后端框架封装,以满足适配器使用。
|
|
"""
|
|
|
|
_adapters: Dict[str, Type["Bot"]] = {}
|
|
"""
|
|
:类型: ``Dict[str, Type[Bot]]``
|
|
:说明: 已注册的适配器列表
|
|
"""
|
|
_ws_connection_hook: Set[T_WebSocketConnectionHook] = set()
|
|
"""
|
|
:类型: ``Set[T_WebSocketConnectionHook]``
|
|
:说明: WebSocket 连接建立时执行的函数
|
|
"""
|
|
_ws_disconnection_hook: Set[T_WebSocketDisconnectionHook] = set()
|
|
"""
|
|
:类型: ``Set[T_WebSocketDisconnectionHook]``
|
|
:说明: WebSocket 连接断开时执行的函数
|
|
"""
|
|
|
|
@abc.abstractmethod
|
|
def __init__(self, env: Env, config: Config):
|
|
"""
|
|
:参数:
|
|
|
|
* ``env: Env``: 包含环境信息的 Env 对象
|
|
* ``config: Config``: 包含配置信息的 Config 对象
|
|
"""
|
|
self.env = env.environment
|
|
"""
|
|
:类型: ``str``
|
|
:说明: 环境名称
|
|
"""
|
|
self.config = config
|
|
"""
|
|
:类型: ``Config``
|
|
:说明: 配置对象
|
|
"""
|
|
self._clients: Dict[str, "Bot"] = {}
|
|
"""
|
|
:类型: ``Dict[str, Bot]``
|
|
:说明: 已连接的 Bot
|
|
"""
|
|
|
|
def register_adapter(self, name: str, adapter: Type["Bot"], **kwargs):
|
|
"""
|
|
:说明:
|
|
|
|
注册一个协议适配器
|
|
|
|
:参数:
|
|
|
|
* ``name: str``: 适配器名称,用于在连接时进行识别
|
|
* ``adapter: Type[Bot]``: 适配器 Class
|
|
"""
|
|
self._adapters[name] = adapter
|
|
adapter.register(self, self.config, **kwargs)
|
|
logger.opt(
|
|
colors=True).debug(f'Succeeded to load adapter "<y>{name}</y>"')
|
|
|
|
@property
|
|
@abc.abstractmethod
|
|
def type(self):
|
|
"""驱动类型名称"""
|
|
raise NotImplementedError
|
|
|
|
@property
|
|
@abc.abstractmethod
|
|
def server_app(self):
|
|
"""驱动 APP 对象"""
|
|
raise NotImplementedError
|
|
|
|
@property
|
|
@abc.abstractmethod
|
|
def asgi(self):
|
|
"""驱动 ASGI 对象"""
|
|
raise NotImplementedError
|
|
|
|
@property
|
|
@abc.abstractmethod
|
|
def logger(self):
|
|
"""驱动专属 logger 日志记录器"""
|
|
raise NotImplementedError
|
|
|
|
@property
|
|
def bots(self) -> Dict[str, "Bot"]:
|
|
"""
|
|
:类型:
|
|
|
|
``Dict[str, Bot]``
|
|
:说明:
|
|
|
|
获取当前所有已连接的 Bot
|
|
"""
|
|
return self._clients
|
|
|
|
@abc.abstractmethod
|
|
def on_startup(self, func: Callable) -> Callable:
|
|
"""注册一个在驱动启动时运行的函数"""
|
|
raise NotImplementedError
|
|
|
|
@abc.abstractmethod
|
|
def on_shutdown(self, func: Callable) -> Callable:
|
|
"""注册一个在驱动停止时运行的函数"""
|
|
raise NotImplementedError
|
|
|
|
def on_bot_connect(
|
|
self, func: T_WebSocketConnectionHook) -> T_WebSocketConnectionHook:
|
|
"""
|
|
:说明:
|
|
|
|
装饰一个函数使他在 bot 通过 WebSocket 连接成功时执行。
|
|
|
|
:函数参数:
|
|
|
|
* ``bot: Bot``: 当前连接上的 Bot 对象
|
|
"""
|
|
self._ws_connection_hook.add(func)
|
|
return func
|
|
|
|
def on_bot_disconnect(
|
|
self,
|
|
func: T_WebSocketDisconnectionHook) -> T_WebSocketDisconnectionHook:
|
|
"""
|
|
:说明:
|
|
|
|
装饰一个函数使他在 bot 通过 WebSocket 连接断开时执行。
|
|
|
|
:函数参数:
|
|
|
|
* ``bot: Bot``: 当前连接上的 Bot 对象
|
|
"""
|
|
self._ws_disconnection_hook.add(func)
|
|
return func
|
|
|
|
def _bot_connect(self, bot: "Bot") -> None:
|
|
"""在 WebSocket 连接成功后,调用该函数来注册 bot 对象"""
|
|
self._clients[bot.self_id] = bot
|
|
|
|
async def _run_hook(bot: "Bot") -> None:
|
|
coros = list(map(lambda x: x(bot), self._ws_connection_hook))
|
|
if coros:
|
|
try:
|
|
await asyncio.gather(*coros)
|
|
except Exception as e:
|
|
logger.opt(colors=True, exception=e).error(
|
|
"<r><bg #f8bbd0>Error when running WebSocketConnection hook. "
|
|
"Running cancelled!</bg #f8bbd0></r>")
|
|
|
|
asyncio.create_task(_run_hook(bot))
|
|
|
|
def _bot_disconnect(self, bot: "Bot") -> None:
|
|
"""在 WebSocket 连接断开后,调用该函数来注销 bot 对象"""
|
|
if bot.self_id in self._clients:
|
|
del self._clients[bot.self_id]
|
|
|
|
async def _run_hook(bot: "Bot") -> None:
|
|
coros = list(map(lambda x: x(bot), self._ws_disconnection_hook))
|
|
if coros:
|
|
try:
|
|
await asyncio.gather(*coros)
|
|
except Exception as e:
|
|
logger.opt(colors=True, exception=e).error(
|
|
"<r><bg #f8bbd0>Error when running WebSocketDisConnection hook. "
|
|
"Running cancelled!</bg #f8bbd0></r>")
|
|
|
|
asyncio.create_task(_run_hook(bot))
|
|
|
|
@abc.abstractmethod
|
|
def run(self,
|
|
host: Optional[str] = None,
|
|
port: Optional[int] = None,
|
|
*args,
|
|
**kwargs):
|
|
"""
|
|
:说明:
|
|
|
|
启动驱动框架
|
|
|
|
:参数:
|
|
|
|
* ``host: Optional[str]``: 驱动绑定 IP
|
|
* ``post: Optional[int]``: 驱动绑定端口
|
|
* ``*args``
|
|
* ``**kwargs``
|
|
"""
|
|
logger.opt(colors=True).debug(
|
|
f"<g>Loaded adapters: {', '.join(self._adapters)}</g>")
|
|
|
|
@abc.abstractmethod
|
|
async def _handle_http(self):
|
|
"""用于处理 HTTP 类型请求的函数"""
|
|
raise NotImplementedError
|
|
|
|
@abc.abstractmethod
|
|
async def _handle_ws_reverse(self):
|
|
"""用于处理 WebSocket 类型请求的函数"""
|
|
raise NotImplementedError
|
|
|
|
|
|
class WebSocket(object):
|
|
"""WebSocket 连接封装,统一接口方便外部调用。"""
|
|
|
|
@abc.abstractmethod
|
|
def __init__(self, websocket):
|
|
"""
|
|
:参数:
|
|
|
|
* ``websocket: Any``: WebSocket 连接对象
|
|
"""
|
|
self._websocket = websocket
|
|
|
|
@property
|
|
def websocket(self):
|
|
"""WebSocket 连接对象"""
|
|
return self._websocket
|
|
|
|
@property
|
|
@abc.abstractmethod
|
|
def closed(self):
|
|
"""
|
|
:类型: ``bool``
|
|
:说明: 连接是否已经关闭
|
|
"""
|
|
raise NotImplementedError
|
|
|
|
@abc.abstractmethod
|
|
async def accept(self):
|
|
"""接受 WebSocket 连接请求"""
|
|
raise NotImplementedError
|
|
|
|
@abc.abstractmethod
|
|
async def close(self, code: int):
|
|
"""关闭 WebSocket 连接请求"""
|
|
raise NotImplementedError
|
|
|
|
@abc.abstractmethod
|
|
async def receive(self) -> dict:
|
|
"""接收一条 WebSocket 信息"""
|
|
raise NotImplementedError
|
|
|
|
@abc.abstractmethod
|
|
async def send(self, data: dict):
|
|
"""发送一条 WebSocket 信息"""
|
|
raise NotImplementedError
|