mirror of
https://github.com/nonebot/nonebot2.git
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280 lines
8.0 KiB
Python
280 lines
8.0 KiB
Python
"""[AIOHTTP](https://aiohttp.readthedocs.io/en/stable/) 驱动适配器。
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```bash
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nb driver install aiohttp
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# 或者
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pip install nonebot2[aiohttp]
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```
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:::tip 提示
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本驱动仅支持客户端连接
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:::
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FrontMatter:
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mdx:
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format: md
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sidebar_position: 2
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description: nonebot.drivers.aiohttp 模块
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"""
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from typing_extensions import override
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from collections.abc import AsyncGenerator
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from contextlib import asynccontextmanager
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from typing import TYPE_CHECKING, Union, Optional
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from multidict import CIMultiDict
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from nonebot.exception import WebSocketClosed
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from nonebot.drivers import URL, Request, Response
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from nonebot.drivers.none import Driver as NoneDriver
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from nonebot.drivers import WebSocket as BaseWebSocket
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from nonebot.internal.driver import Cookies, QueryTypes, CookieTypes, HeaderTypes
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from nonebot.drivers import (
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HTTPVersion,
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HTTPClientMixin,
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HTTPClientSession,
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WebSocketClientMixin,
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combine_driver,
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)
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try:
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import aiohttp
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except ModuleNotFoundError as e: # pragma: no cover
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raise ImportError(
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"Please install aiohttp first to use this driver. "
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"Install with pip: `pip install nonebot2[aiohttp]`"
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) from e
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class Session(HTTPClientSession):
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@override
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def __init__(
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self,
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params: QueryTypes = None,
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headers: HeaderTypes = None,
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cookies: CookieTypes = None,
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version: Union[str, HTTPVersion] = HTTPVersion.H11,
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timeout: Optional[float] = None,
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proxy: Optional[str] = None,
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):
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self._client: Optional[aiohttp.ClientSession] = None
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self._params = URL.build(query=params).query if params is not None else None
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self._headers = CIMultiDict(headers) if headers is not None else None
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self._cookies = tuple(
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(cookie.name, cookie.value)
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for cookie in Cookies(cookies)
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if cookie.value is not None
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)
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version = HTTPVersion(version)
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if version == HTTPVersion.H10:
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self._version = aiohttp.HttpVersion10
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elif version == HTTPVersion.H11:
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self._version = aiohttp.HttpVersion11
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else:
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raise RuntimeError(f"Unsupported HTTP version: {version}")
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self._timeout = timeout
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self._proxy = proxy
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@property
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def client(self) -> aiohttp.ClientSession:
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if self._client is None:
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raise RuntimeError("Session is not initialized")
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return self._client
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@override
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async def request(self, setup: Request) -> Response:
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if self._params:
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params = self._params.copy()
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params.update(setup.url.query)
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url = setup.url.with_query(params)
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else:
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url = setup.url
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data = setup.data
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if setup.files:
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data = aiohttp.FormData(data or {}, quote_fields=False)
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for name, file in setup.files:
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data.add_field(name, file[1], content_type=file[2], filename=file[0])
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cookies = (
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(cookie.name, cookie.value)
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for cookie in setup.cookies
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if cookie.value is not None
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)
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timeout = aiohttp.ClientTimeout(setup.timeout)
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async with await self.client.request(
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setup.method,
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url,
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data=setup.content or data,
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json=setup.json,
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cookies=cookies,
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headers=setup.headers,
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proxy=setup.proxy or self._proxy,
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timeout=timeout,
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) as response:
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return Response(
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response.status,
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headers=response.headers.copy(),
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content=await response.read(),
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request=setup,
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)
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@override
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async def setup(self) -> None:
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if self._client is not None:
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raise RuntimeError("Session has already been initialized")
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self._client = aiohttp.ClientSession(
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cookies=self._cookies,
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headers=self._headers,
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version=self._version,
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timeout=self._timeout,
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trust_env=True,
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)
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await self._client.__aenter__()
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@override
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async def close(self) -> None:
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try:
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if self._client is not None:
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await self._client.close()
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finally:
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self._client = None
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class Mixin(HTTPClientMixin, WebSocketClientMixin):
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"""AIOHTTP Mixin"""
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@property
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@override
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def type(self) -> str:
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return "aiohttp"
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@override
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async def request(self, setup: Request) -> Response:
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async with self.get_session() as session:
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return await session.request(setup)
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@override
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@asynccontextmanager
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async def websocket(self, setup: Request) -> AsyncGenerator["WebSocket", None]:
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if setup.version == HTTPVersion.H10:
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version = aiohttp.HttpVersion10
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elif setup.version == HTTPVersion.H11:
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version = aiohttp.HttpVersion11
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else:
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raise RuntimeError(f"Unsupported HTTP version: {setup.version}")
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async with aiohttp.ClientSession(version=version, trust_env=True) as session:
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async with session.ws_connect(
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setup.url,
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method=setup.method,
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timeout=setup.timeout or 10,
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headers=setup.headers,
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proxy=setup.proxy,
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) as ws:
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yield WebSocket(request=setup, session=session, websocket=ws)
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@override
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def get_session(
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self,
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params: QueryTypes = None,
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headers: HeaderTypes = None,
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cookies: CookieTypes = None,
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version: Union[str, HTTPVersion] = HTTPVersion.H11,
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timeout: Optional[float] = None,
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proxy: Optional[str] = None,
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) -> Session:
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return Session(
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params=params,
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headers=headers,
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cookies=cookies,
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version=version,
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timeout=timeout,
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proxy=proxy,
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)
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class WebSocket(BaseWebSocket):
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"""AIOHTTP Websocket Wrapper"""
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def __init__(
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self,
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*,
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request: Request,
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session: aiohttp.ClientSession,
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websocket: aiohttp.ClientWebSocketResponse,
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):
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super().__init__(request=request)
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self.session = session
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self.websocket = websocket
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@property
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@override
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def closed(self):
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return self.websocket.closed
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@override
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async def accept(self):
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raise NotImplementedError
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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=code, message=reason.encode("utf-8"))
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await self.session.close()
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async def _receive(self) -> aiohttp.WSMessage:
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msg = await self.websocket.receive()
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if msg.type in (aiohttp.WSMsgType.CLOSE, aiohttp.WSMsgType.CLOSING):
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raise WebSocketClosed(self.websocket.close_code or 1006)
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return msg
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@override
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async def receive(self) -> str:
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msg = await self._receive()
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if msg.type not in (aiohttp.WSMsgType.TEXT, aiohttp.WSMsgType.BINARY):
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raise TypeError(
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f"WebSocket received unexpected frame type: {msg.type}, {msg.data!r}"
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)
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return msg.data
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@override
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async def receive_text(self) -> str:
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msg = await self._receive()
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if msg.type != aiohttp.WSMsgType.TEXT:
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raise TypeError(
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f"WebSocket received unexpected frame type: {msg.type}, {msg.data!r}"
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)
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return msg.data
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@override
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async def receive_bytes(self) -> bytes:
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msg = await self._receive()
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if msg.type != aiohttp.WSMsgType.BINARY:
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raise TypeError(
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f"WebSocket received unexpected frame type: {msg.type}, {msg.data!r}"
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)
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return msg.data
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@override
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async def send_text(self, data: str) -> None:
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await self.websocket.send_str(data)
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@override
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async def send_bytes(self, data: bytes) -> None:
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await self.websocket.send_bytes(data)
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if TYPE_CHECKING:
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class Driver(Mixin, NoneDriver): ...
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else:
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Driver = combine_driver(NoneDriver, Mixin)
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"""AIOHTTP Driver"""
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