nonebot2/nonebot/drivers/httpx.py
2022-12-20 10:13:45 +00:00

82 lines
2.1 KiB
Python

"""[HTTPX](https://www.python-httpx.org/) 驱动适配
```bash
nb driver install httpx
# 或者
pip install nonebot2[httpx]
```
:::tip 提示
本驱动仅支持客户端 HTTP 连接
:::
FrontMatter:
sidebar_position: 3
description: nonebot.drivers.httpx 模块
"""
from typing import Type, AsyncGenerator
from contextlib import asynccontextmanager
from nonebot.typing import overrides
from nonebot.drivers._block_driver import BlockDriver
from nonebot.drivers import (
Request,
Response,
WebSocket,
HTTPVersion,
ForwardMixin,
ForwardDriver,
combine_driver,
)
try:
import httpx
except ImportError: # pragma: no cover
raise ImportError(
"Please install httpx by using `pip install nonebot2[httpx]`"
) from None
class Mixin(ForwardMixin):
"""HTTPX Mixin"""
@property
@overrides(ForwardMixin)
def type(self) -> str:
return "httpx"
@overrides(ForwardMixin)
async def request(self, setup: Request) -> Response:
async with httpx.AsyncClient(
cookies=setup.cookies.jar,
http2=setup.version == HTTPVersion.H2,
proxies=setup.proxy,
follow_redirects=True,
) as client:
response = await client.request(
setup.method,
str(setup.url),
content=setup.content,
data=setup.data,
json=setup.json,
files=setup.files,
headers=tuple(setup.headers.items()),
timeout=setup.timeout,
)
return Response(
response.status_code,
headers=response.headers.multi_items(),
content=response.content,
request=setup,
)
@overrides(ForwardMixin)
@asynccontextmanager
async def websocket(self, setup: Request) -> AsyncGenerator[WebSocket, None]:
async with super(Mixin, self).websocket(setup) as ws:
yield ws
Driver: Type[ForwardDriver] = combine_driver(BlockDriver, Mixin) # type: ignore
"""HTTPX Driver"""