mirror of
https://github.com/nonebot/nonebot2.git
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305 lines
8.4 KiB
Python
305 lines
8.4 KiB
Python
"""
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Quart 驱动适配
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================
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后端使用方法请参考: `Quart 文档`_
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.. _Quart 文档:
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https://pgjones.gitlab.io/quart/index.html
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"""
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from typing import List, Tuple, TypeVar, Callable, Optional, Coroutine
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import uvicorn
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from pydantic import BaseSettings
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from ._model import FileTypes
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from nonebot.config import Env
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from nonebot.typing import overrides
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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 ReverseDriver, HTTPServerSetup, WebSocketServerSetup
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try:
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from quart import request as _request
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from quart import websocket as _websocket
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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 ImportError:
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raise ValueError("Please install Quart by using `pip install nonebot2[quart]`")
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_AsyncCallable = TypeVar("_AsyncCallable", bound=Callable[..., Coroutine])
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class Config(BaseSettings):
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"""
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Quart 驱动框架设置
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"""
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quart_reload: Optional[bool] = None
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"""
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:类型:
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``Optional[bool]``
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:说明:
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开启/关闭冷重载，默认会在配置了 app 的 debug 模式启用
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"""
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quart_reload_dirs: Optional[List[str]] = None
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"""
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:类型:
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``Optional[List[str]]``
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:说明:
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重载监控文件夹列表，默认为 uvicorn 默认值
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"""
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quart_reload_delay: Optional[float] = None
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"""
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:类型:
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``Optional[float]``
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:说明:
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重载延迟，默认为 uvicorn 默认值
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"""
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quart_reload_includes: Optional[List[str]] = None
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"""
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:类型:
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``Optional[List[str]]``
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:说明:
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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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"""
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quart_reload_excludes: Optional[List[str]] = None
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"""
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:类型:
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``Optional[List[str]]``
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:说明:
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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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"""
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class Config:
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extra = "ignore"
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class Driver(ReverseDriver):
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"""
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Quart 驱动框架
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"""
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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(self.__class__.__qualname__)
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@property
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@overrides(ReverseDriver)
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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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@overrides(ReverseDriver)
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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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@overrides(ReverseDriver)
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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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@overrides(ReverseDriver)
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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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@overrides(ReverseDriver)
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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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@overrides(ReverseDriver)
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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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@overrides(ReverseDriver)
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def on_startup(self, func: _AsyncCallable) -> _AsyncCallable:
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"""参考文档: `Startup and Shutdown`_
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.. _Startup and Shutdown:
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https://pgjones.gitlab.io/quart/how_to_guides/startup_shutdown.html
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"""
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return self.server_app.before_serving(func) # type: ignore
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@overrides(ReverseDriver)
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def on_shutdown(self, func: _AsyncCallable) -> _AsyncCallable:
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"""参考文档: `Startup and Shutdown`_"""
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return self.server_app.after_serving(func) # type: ignore
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@overrides(ReverseDriver)
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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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if self.quart_config.quart_reload is not None
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else (bool(app) and self.config.debug),
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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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debug=self.config.debug,
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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 = None
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if request.is_json:
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json = await request.get_json()
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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=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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websocket: QuartWebSocket = _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=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=websocket)
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await setup.handle_func(ws)
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class WebSocket(BaseWebSocket):
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def __init__(self, *, request: BaseRequest, websocket: QuartWebSocket):
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super().__init__(request=request)
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self.websocket = websocket
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@property
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@overrides(BaseWebSocket)
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def closed(self):
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# FIXME
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return True
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@overrides(BaseWebSocket)
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async def accept(self):
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await self.websocket.accept()
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@overrides(BaseWebSocket)
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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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@overrides(BaseWebSocket)
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async def receive(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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@overrides(BaseWebSocket)
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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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@overrides(BaseWebSocket)
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async def send(self, data: str):
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await self.websocket.send(data)
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@overrides(BaseWebSocket)
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async def send_bytes(self, data: bytes):
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await self.websocket.send(data)
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