mirror of
https://github.com/nonebot/nonebot2.git
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311 lines
8.9 KiB
Python
311 lines
8.9 KiB
Python
"""[Quart](https://pgjones.gitlab.io/quart/index.html) 驱动适配
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```bash
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nb driver install quart
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# 或者
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pip install nonebot2[quart]
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```
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:::tip 提示
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本驱动仅支持服务端连接
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:::
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FrontMatter:
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sidebar_position: 5
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description: nonebot.drivers.quart 模块
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"""
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import asyncio
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from functools import wraps
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from typing_extensions import override
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from typing import (
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Any,
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Dict,
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List,
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Tuple,
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Union,
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TypeVar,
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Callable,
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Optional,
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Coroutine,
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cast,
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)
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from pydantic import BaseSettings
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from nonebot.config import Env
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from nonebot.drivers import ASGIMixin
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from nonebot.exception import WebSocketClosed
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from nonebot.internal.driver import FileTypes
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from nonebot.drivers import Driver as BaseDriver
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from nonebot.config import Config as NoneBotConfig
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from nonebot.drivers import Request as BaseRequest
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from nonebot.drivers import WebSocket as BaseWebSocket
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from nonebot.drivers import HTTPServerSetup, WebSocketServerSetup
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try:
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import uvicorn
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from quart import request as _request
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from quart.ctx import WebsocketContext
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from quart.globals import websocket_ctx
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from quart import Quart, Request, Response
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from quart.datastructures import FileStorage
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from quart import Websocket as QuartWebSocket
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except ModuleNotFoundError as e: # pragma: no cover
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raise ImportError(
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"Please install Quart first to use this driver. "
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"Install with pip: `pip install nonebot2[quart]`"
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) from e
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_AsyncCallable = TypeVar("_AsyncCallable", bound=Callable[..., Coroutine])
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def catch_closed(func):
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@wraps(func)
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async def decorator(*args, **kwargs):
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try:
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return await func(*args, **kwargs)
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except asyncio.CancelledError:
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raise WebSocketClosed(1000)
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return decorator
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class Config(BaseSettings):
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"""Quart 驱动框架设置"""
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quart_reload: bool = False
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"""开启/关闭冷重载"""
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quart_reload_dirs: Optional[List[str]] = None
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"""重载监控文件夹列表，默认为 uvicorn 默认值"""
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quart_reload_delay: float = 0.25
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"""重载延迟，默认为 uvicorn 默认值"""
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quart_reload_includes: Optional[List[str]] = None
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"""要监听的文件列表，支持 glob pattern，默认为 uvicorn 默认值"""
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quart_reload_excludes: Optional[List[str]] = None
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"""不要监听的文件列表，支持 glob pattern，默认为 uvicorn 默认值"""
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quart_extra: Dict[str, Any] = {}
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"""传递给 `Quart` 的其他参数。"""
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class Config:
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extra = "ignore"
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class Driver(BaseDriver, ASGIMixin):
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"""Quart 驱动框架"""
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def __init__(self, env: Env, config: NoneBotConfig):
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super().__init__(env, config)
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self.quart_config = Config(**config.dict())
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self._server_app = Quart(
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self.__class__.__qualname__, **self.quart_config.quart_extra
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)
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@property
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@override
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def type(self) -> str:
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"""驱动名称: `quart`"""
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return "quart"
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@property
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@override
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def server_app(self) -> Quart:
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"""`Quart` 对象"""
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return self._server_app
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@property
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@override
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def asgi(self):
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"""`Quart` 对象"""
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return self._server_app
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@property
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@override
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def logger(self):
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"""Quart 使用的 logger"""
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return self._server_app.logger
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@override
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def setup_http_server(self, setup: HTTPServerSetup):
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async def _handle() -> Response:
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return await self._handle_http(setup)
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self._server_app.add_url_rule(
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setup.path.path,
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endpoint=setup.name,
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methods=[setup.method],
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view_func=_handle,
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)
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@override
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def setup_websocket_server(self, setup: WebSocketServerSetup) -> None:
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async def _handle() -> None:
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return await self._handle_ws(setup)
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self._server_app.add_websocket(
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setup.path.path,
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endpoint=setup.name,
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view_func=_handle,
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)
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@override
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def on_startup(self, func: _AsyncCallable) -> _AsyncCallable:
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"""参考文档: [`Startup and Shutdown`](https://pgjones.gitlab.io/quart/how_to_guides/startup_shutdown.html)"""
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return self.server_app.before_serving(func) # type: ignore
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@override
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def on_shutdown(self, func: _AsyncCallable) -> _AsyncCallable:
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"""参考文档: [`Startup and Shutdown`](https://pgjones.gitlab.io/quart/how_to_guides/startup_shutdown.html)"""
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return self.server_app.after_serving(func) # type: ignore
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@override
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def run(
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self,
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host: Optional[str] = None,
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port: Optional[int] = None,
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*,
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app: Optional[str] = None,
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**kwargs,
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):
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"""使用 `uvicorn` 启动 Quart"""
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super().run(host, port, app, **kwargs)
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LOGGING_CONFIG = {
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"version": 1,
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"disable_existing_loggers": False,
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"handlers": {
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"default": {
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"class": "nonebot.log.LoguruHandler",
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},
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},
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"loggers": {
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"uvicorn.error": {"handlers": ["default"], "level": "INFO"},
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"uvicorn.access": {
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"handlers": ["default"],
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"level": "INFO",
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},
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},
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}
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uvicorn.run(
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app or self.server_app, # type: ignore
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host=host or str(self.config.host),
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port=port or self.config.port,
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reload=self.quart_config.quart_reload,
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reload_dirs=self.quart_config.quart_reload_dirs,
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reload_delay=self.quart_config.quart_reload_delay,
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reload_includes=self.quart_config.quart_reload_includes,
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reload_excludes=self.quart_config.quart_reload_excludes,
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log_config=LOGGING_CONFIG,
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**kwargs,
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)
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async def _handle_http(self, setup: HTTPServerSetup) -> Response:
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request: Request = _request
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json = await request.get_json() if request.is_json else None
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data = await request.form
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files_dict = await request.files
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files: List[Tuple[str, FileTypes]] = []
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key: str
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value: FileStorage
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for key, value in files_dict.items():
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files.append((key, (value.filename, value.stream, value.content_type)))
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http_request = BaseRequest(
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request.method,
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request.url,
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headers=list(request.headers.items()),
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cookies=list(request.cookies.items()),
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content=await request.get_data(
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cache=False, as_text=False, parse_form_data=False
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),
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data=data or None,
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json=json,
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files=files or None,
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version=request.http_version,
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)
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response = await setup.handle_func(http_request)
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return Response(
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response.content or "",
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response.status_code or 200,
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headers=dict(response.headers),
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)
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async def _handle_ws(self, setup: WebSocketServerSetup) -> None:
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ctx = cast(WebsocketContext, websocket_ctx.copy())
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websocket = websocket_ctx.websocket
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http_request = BaseRequest(
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websocket.method,
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websocket.url,
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headers=list(websocket.headers.items()),
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cookies=list(websocket.cookies.items()),
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version=websocket.http_version,
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)
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ws = WebSocket(request=http_request, websocket_ctx=ctx)
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await setup.handle_func(ws)
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class WebSocket(BaseWebSocket):
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"""Quart WebSocket Wrapper"""
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def __init__(self, *, request: BaseRequest, websocket_ctx: WebsocketContext):
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super().__init__(request=request)
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self.websocket_ctx = websocket_ctx
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@property
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def websocket(self) -> QuartWebSocket:
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return self.websocket_ctx.websocket
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@property
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@override
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def closed(self):
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# FIXME
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return True
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@override
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async def accept(self):
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await self.websocket.accept()
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@override
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async def close(self, code: int = 1000, reason: str = ""):
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await self.websocket.close(code, reason)
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@override
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@catch_closed
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async def receive(self) -> Union[str, bytes]:
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return await self.websocket.receive()
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@override
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@catch_closed
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async def receive_text(self) -> str:
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msg = await self.websocket.receive()
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if isinstance(msg, bytes):
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raise TypeError("WebSocket received unexpected frame type: bytes")
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return msg
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@override
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@catch_closed
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async def receive_bytes(self) -> bytes:
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msg = await self.websocket.receive()
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if isinstance(msg, str):
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raise TypeError("WebSocket received unexpected frame type: str")
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return msg
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@override
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async def send_text(self, data: str):
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await self.websocket.send(data)
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@override
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async def send_bytes(self, data: bytes):
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await self.websocket.send(data)
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__autodoc__ = {"catch_closed": False}
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