mirror of
https://github.com/nonebot/nonebot2.git
synced 2024-12-01 01:25:07 +08:00
240 lines
7.9 KiB
Python
240 lines
7.9 KiB
Python
"""
|
|
Quart 驱动适配
|
|
================
|
|
|
|
后端使用方法请参考: `Quart 文档`_
|
|
|
|
.. _Quart 文档:
|
|
https://pgjones.gitlab.io/quart/index.html
|
|
"""
|
|
|
|
import asyncio
|
|
from json.decoder import JSONDecodeError
|
|
from typing import Any, Callable, Coroutine, Dict, Optional, Type, TypeVar
|
|
|
|
import uvicorn
|
|
|
|
from nonebot.config import Config as NoneBotConfig
|
|
from nonebot.config import Env
|
|
from nonebot.drivers import Driver as BaseDriver
|
|
from nonebot.drivers import WebSocket as BaseWebSocket
|
|
from nonebot.exception import RequestDenied
|
|
from nonebot.log import logger
|
|
from nonebot.typing import overrides
|
|
|
|
try:
|
|
from quart import Quart, Request, Response
|
|
from quart import Websocket as QuartWebSocket
|
|
from quart import exceptions
|
|
from quart import request as _request
|
|
from quart import websocket as _websocket
|
|
except ImportError:
|
|
raise ValueError(
|
|
'Please install Quart by using `pip install nonebot2[quart]`')
|
|
|
|
_AsyncCallable = TypeVar("_AsyncCallable", bound=Callable[..., Coroutine])
|
|
|
|
|
|
class Driver(BaseDriver):
|
|
"""
|
|
Quart 驱动框架
|
|
|
|
:上报地址:
|
|
|
|
* ``/{adapter name}/http``: HTTP POST 上报
|
|
* ``/{adapter name}/ws``: WebSocket 上报
|
|
"""
|
|
|
|
@overrides(BaseDriver)
|
|
def __init__(self, env: Env, config: NoneBotConfig):
|
|
super().__init__(env, config)
|
|
|
|
self._server_app = Quart(self.__class__.__qualname__)
|
|
self._server_app.add_url_rule('/<adapter>/http',
|
|
methods=['POST'],
|
|
view_func=self._handle_http)
|
|
self._server_app.add_websocket('/<adapter>/ws',
|
|
view_func=self._handle_ws_reverse)
|
|
|
|
@property
|
|
@overrides(BaseDriver)
|
|
def type(self) -> str:
|
|
"""驱动名称: ``quart``"""
|
|
return 'quart'
|
|
|
|
@property
|
|
@overrides(BaseDriver)
|
|
def server_app(self) -> Quart:
|
|
"""``Quart`` 对象"""
|
|
return self._server_app
|
|
|
|
@property
|
|
@overrides(BaseDriver)
|
|
def asgi(self):
|
|
"""``Quart`` 对象"""
|
|
return self._server_app
|
|
|
|
@property
|
|
@overrides(BaseDriver)
|
|
def logger(self):
|
|
"""fastapi 使用的 logger"""
|
|
return self._server_app.logger
|
|
|
|
@overrides(BaseDriver)
|
|
def on_startup(self, func: _AsyncCallable) -> _AsyncCallable:
|
|
"""参考文档: `Startup and Shutdown <https://pgjones.gitlab.io/quart/how_to_guides/startup_shutdown.html>`_"""
|
|
return self.server_app.before_serving(func) # type: ignore
|
|
|
|
@overrides(BaseDriver)
|
|
def on_shutdown(self, func: _AsyncCallable) -> _AsyncCallable:
|
|
"""参考文档: `Startup and Shutdown <https://pgjones.gitlab.io/quart/how_to_guides/startup_shutdown.html>`_"""
|
|
return self.server_app.after_serving(func) # type: ignore
|
|
|
|
@overrides(BaseDriver)
|
|
def run(self,
|
|
host: Optional[str] = None,
|
|
port: Optional[int] = None,
|
|
*,
|
|
app: Optional[str] = None,
|
|
**kwargs):
|
|
"""使用 ``uvicorn`` 启动 Quart"""
|
|
super().run(host, port, app, **kwargs)
|
|
LOGGING_CONFIG = {
|
|
"version": 1,
|
|
"disable_existing_loggers": False,
|
|
"handlers": {
|
|
"default": {
|
|
"class": "nonebot.log.LoguruHandler",
|
|
},
|
|
},
|
|
"loggers": {
|
|
"uvicorn.error": {
|
|
"handlers": ["default"],
|
|
"level": "INFO"
|
|
},
|
|
"uvicorn.access": {
|
|
"handlers": ["default"],
|
|
"level": "INFO",
|
|
},
|
|
},
|
|
}
|
|
uvicorn.run(app or self.server_app,
|
|
host=host or str(self.config.host),
|
|
port=port or self.config.port,
|
|
reload=bool(app) and self.config.debug,
|
|
debug=self.config.debug,
|
|
log_config=LOGGING_CONFIG,
|
|
**kwargs)
|
|
|
|
@overrides(BaseDriver)
|
|
async def _handle_http(self, adapter: str):
|
|
request: Request = _request
|
|
|
|
try:
|
|
data: Dict[str, Any] = await request.get_json()
|
|
except Exception as e:
|
|
raise exceptions.BadRequest()
|
|
|
|
if adapter not in self._adapters:
|
|
logger.warning(f'Unknown adapter {adapter}. '
|
|
'Please register the adapter before use.')
|
|
raise exceptions.NotFound()
|
|
|
|
BotClass = self._adapters[adapter]
|
|
headers = {k: v for k, v in request.headers.items(lower=True)}
|
|
|
|
try:
|
|
self_id = await BotClass.check_permission(self, 'http', headers,
|
|
data)
|
|
except RequestDenied as e:
|
|
raise exceptions.HTTPException(status_code=e.status_code,
|
|
description=e.reason,
|
|
name='Request Denied')
|
|
if self_id in self._clients:
|
|
logger.warning("There's already a reverse websocket connection,"
|
|
"so the event may be handled twice.")
|
|
bot = BotClass('http', self_id)
|
|
asyncio.create_task(bot.handle_message(data))
|
|
return Response('', 204)
|
|
|
|
@overrides(BaseDriver)
|
|
async def _handle_ws_reverse(self, adapter: str):
|
|
websocket: QuartWebSocket = _websocket
|
|
if adapter not in self._adapters:
|
|
logger.warning(
|
|
f'Unknown adapter {adapter}. Please register the adapter before use.'
|
|
)
|
|
raise exceptions.NotFound()
|
|
|
|
BotClass = self._adapters[adapter]
|
|
headers = {k: v for k, v in websocket.headers.items(lower=True)}
|
|
try:
|
|
self_id = await BotClass.check_permission(self, 'websocket',
|
|
headers, None)
|
|
except RequestDenied as e:
|
|
raise exceptions.HTTPException(status_code=e.status_code,
|
|
description=e.reason,
|
|
name='Request Denied')
|
|
if self_id in self._clients:
|
|
logger.warning("There's already a reverse websocket connection,"
|
|
"so the event may be handled twice.")
|
|
ws = WebSocket(websocket)
|
|
bot = BotClass('websocket', self_id, websocket=ws)
|
|
await ws.accept()
|
|
logger.opt(colors=True).info(
|
|
f"WebSocket Connection from <y>{adapter.upper()} "
|
|
f"Bot {self_id}</y> Accepted!")
|
|
self._bot_connect(bot)
|
|
|
|
try:
|
|
while not ws.closed:
|
|
data = await ws.receive()
|
|
if data is None:
|
|
continue
|
|
asyncio.create_task(bot.handle_message(data))
|
|
finally:
|
|
self._bot_disconnect(bot)
|
|
|
|
|
|
class WebSocket(BaseWebSocket):
|
|
|
|
@overrides(BaseWebSocket)
|
|
def __init__(self, websocket: QuartWebSocket):
|
|
super().__init__(websocket)
|
|
self._closed = False
|
|
|
|
@property
|
|
@overrides(BaseWebSocket)
|
|
def websocket(self) -> QuartWebSocket:
|
|
return self._websocket
|
|
|
|
@property
|
|
@overrides(BaseWebSocket)
|
|
def closed(self):
|
|
return self._closed
|
|
|
|
@overrides(BaseWebSocket)
|
|
async def accept(self):
|
|
await self.websocket.accept()
|
|
self._closed = False
|
|
|
|
@overrides(BaseWebSocket)
|
|
async def close(self):
|
|
self._closed = True
|
|
|
|
@overrides(BaseWebSocket)
|
|
async def receive(self) -> Optional[Dict[str, Any]]:
|
|
data: Optional[Dict[str, Any]] = None
|
|
try:
|
|
data = await self.websocket.receive_json()
|
|
except JSONDecodeError:
|
|
logger.warning('Received an invalid json message.')
|
|
except asyncio.CancelledError:
|
|
self._closed = True
|
|
logger.warning('WebSocket disconnected by peer.')
|
|
return data
|
|
|
|
@overrides(BaseWebSocket)
|
|
async def send(self, data: dict):
|
|
await self.websocket.send_json(data)
|